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e51deae7f6
Use __asm __volatile (__lll_acq_instr ::: "memory") instead of
atomic_full_barrier.
2007-07-31 Jakub Jelinek <jakub@redhat.com>
* allocatestack.c (stack_cache_lock): Change type to int.
(get_cached_stack, allocate_stack, __deallocate_stack,
__make_stacks_executable, __find_thread_by_id, __nptl_setxid,
__pthread_init_static_tls, __wait_lookup_done): Add LLL_PRIVATE
as second argument to lll_lock and lll_unlock macros on
stack_cache_lock.
* pthread_create.c (__find_in_stack_list): Likewise.
(start_thread): Similarly with pd->lock. Use lll_robust_dead
macro instead of lll_robust_mutex_dead, pass LLL_SHARED to it
as second argument.
* descr.h (struct pthread): Change lock and setxid_futex field
type to int.
* old_pthread_cond_broadcast.c (__pthread_cond_broadcast_2_0): Use
LLL_LOCK_INITIALIZER instead of LLL_MUTEX_LOCK_INITIALIZER.
* old_pthread_cond_signal.c (__pthread_cond_signal_2_0): Likewise.
* old_pthread_cond_timedwait.c (__pthread_cond_timedwait_2_0):
Likewise.
* old_pthread_cond_wait.c (__pthread_cond_wait_2_0): Likewise.
* pthread_cond_init.c (__pthread_cond_init): Likewise.
* pthreadP.h (__attr_list_lock): Change type to int.
* pthread_attr_init.c (__attr_list_lock): Likewise.
* pthread_barrier_destroy.c (pthread_barrier_destroy): Pass
ibarrier->private ^ FUTEX_PRIVATE_FLAG as second argument to
lll_{,un}lock.
* pthread_barrier_wait.c (pthread_barrier_wait): Likewise and
also for lll_futex_{wake,wait}.
* pthread_barrier_init.c (pthread_barrier_init): Make iattr
a pointer to const.
* pthread_cond_broadcast.c (__pthread_cond_broadcast): Pass
LLL_SHARED as second argument to lll_{,un}lock.
* pthread_cond_destroy.c (__pthread_cond_destroy): Likewise.
* pthread_cond_signal.c (__pthread_cond_singal): Likewise.
* pthread_cond_timedwait.c (__pthread_cond_timedwait): Likewise.
* pthread_cond_wait.c (__condvar_cleanup, __pthread_cond_wait):
Likewise.
* pthread_getattr_np.c (pthread_getattr_np): Add LLL_PRIVATE
as second argument to lll_{,un}lock macros on pd->lock.
* pthread_getschedparam.c (__pthread_getschedparam): Likewise.
* pthread_setschedparam.c (__pthread_setschedparam): Likewise.
* pthread_setschedprio.c (pthread_setschedprio): Likewise.
* tpp.c (__pthread_tpp_change_priority, __pthread_current_priority):
Likewise.
* sysdeps/pthread/createthread.c (do_clone, create_thread):
Likewise.
* pthread_once.c (once_lock): Change type to int.
(__pthread_once): Pass LLL_PRIVATE as second argument to
lll_{,un}lock macros on once_lock.
* pthread_rwlock_rdlock.c (__pthread_rwlock_rdlock): Use
lll_{,un}lock macros instead of lll_mutex_{,un}lock, pass
rwlock->__data.__shared as second argument to them and similarly
for lll_futex_w*.
* pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock):
Likewise.
* pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock):
Likewise.
* pthread_rwlock_tryrdlock.c (__pthread_rwlock_tryrdlock): Likewise.
* pthread_rwlock_trywrlock.c (__pthread_rwlock_trywrlock): Likewise.
* pthread_rwlock_unlock.c (__pthread_rwlock_unlock): Likewise.
* pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock): Likewise.
* sem_close.c (sem_close): Pass LLL_PRIVATE as second argument
to lll_{,un}lock macros on __sem_mappings_lock.
* sem_open.c (check_add_mapping): Likewise.
(__sem_mappings_lock): Change type to int.
* semaphoreP.h (__sem_mappings_lock): Likewise.
* pthread_mutex_lock.c (LLL_MUTEX_LOCK, LLL_MUTEX_TRYLOCK,
LLL_ROBUST_MUTEX_LOCK): Use lll_{,try,robust_}lock macros
instead of lll_*mutex_*, pass LLL_SHARED as last
argument.
(__pthread_mutex_lock): Use lll_unlock instead of lll_mutex_unlock,
pass LLL_SHARED as last argument.
* sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c (LLL_MUTEX_LOCK,
LLL_MUTEX_TRYLOCK, LLL_ROBUST_MUTEX_LOCK): Use
lll_{cond_,cond_try,robust_cond}lock macros instead of lll_*mutex_*,
pass LLL_SHARED as last argument.
* pthread_mutex_timedlock.c (pthread_mutex_timedlock): Use
lll_{timed,try,robust_timed,un}lock instead of lll_*mutex*, pass
LLL_SHARED as last argument.
* pthread_mutex_trylock.c (__pthread_mutex_trylock): Similarly.
* pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt):
Similarly.
* sysdeps/pthread/bits/libc-lock.h (__libc_lock_lock,
__libc_lock_lock_recursive, __libc_lock_unlock,
__libc_lock_unlock_recursive): Pass LLL_PRIVATE as second
argument to lll_{,un}lock.
* sysdeps/pthread/bits/stdio-lock.h (_IO_lock_lock,
_IO_lock_unlock): Likewise.
* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Don't use
compound literal.
* sysdeps/unix/sysv/linux/unregister-atfork.c (__unregister_atfork):
Pass LLL_PRIVATE as second argument to lll_{,un}lock macros on
__fork_lock.
* sysdeps/unix/sysv/linux/register-atfork.c (__register_atfork,
free_mem): Likewise.
(__fork_lock): Change type to int.
* sysdeps/unix/sysv/linux/fork.h (__fork_lock): Likewise.
* sysdeps/unix/sysv/linux/sem_post.c (__new_sem_post): Pass
isem->private ^ FUTEX_PRIVATE_FLAG as second argument to
lll_futex_wake.
* sysdeps/unix/sysv/linux/sem_timedwait.c (sem_timedwait): Likewise.
* sysdeps/unix/sysv/linux/sem_wait.c (__new_sem_wait): Likewise.
* sysdeps/unix/sysv/linux/lowlevellock.c (__lll_lock_wait_private):
New function.
(__lll_lock_wait, __lll_timedlock_wait): Add private argument and
pass it through to lll_futex_*wait, only compile in when
IS_IN_libpthread.
* sysdeps/unix/sysv/linux/lowlevelrobustlock.c
(__lll_robust_lock_wait, __lll_robust_timedlock_wait): Add private
argument and pass it through to lll_futex_*wait.
* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Renamed all
lll_mutex_* resp. lll_robust_mutex_* macros to lll_* resp.
lll_robust_*. Renamed all __lll_mutex_* resp. __lll_robust_mutex_*
inline functions to __lll_* resp. __lll_robust_*.
(LLL_MUTEX_LOCK_INITIALIZER): Remove.
(lll_mutex_dead): Add private argument.
(__lll_lock_wait_private): New prototype.
(__lll_lock_wait, __lll_robust_lock_wait, __lll_lock_timedwait,
__lll_robust_lock_timedwait): Add private argument to prototypes.
(__lll_lock): Add private argument, if it is constant LLL_PRIVATE,
call __lll_lock_wait_private, otherwise pass private to
__lll_lock_wait.
(__lll_robust_lock, __lll_cond_lock, __lll_timedlock,
__lll_robust_timedlock): Add private argument, pass it to
__lll_*wait functions.
(__lll_unlock): Add private argument, if it is constant LLL_PRIVATE,
call __lll_unlock_wake_private, otherwise pass private to
__lll_unlock_wake.
(__lll_robust_unlock): Add private argument, pass it to
__lll_robust_unlock_wake.
(lll_lock, lll_robust_lock, lll_cond_lock, lll_timedlock,
lll_robust_timedlock, lll_unlock, lll_robust_unlock): Add private
argument, pass it through to __lll_* inline function.
(__lll_mutex_unlock_force, lll_mutex_unlock_force): Remove.
(lll_lock_t): Remove.
(__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake,
__lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait,
lll_cond_wake, lll_cond_broadcast): Remove.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Allow including
the header from assembler. Renamed all lll_mutex_* resp.
lll_robust_mutex_* macros to lll_* resp. lll_robust_*.
(LOCK, FUTEX_CMP_REQUEUE, FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE): Define.
(LLL_MUTEX_LOCK_INITIALIZER, LLL_MUTEX_LOCK_INITIALIZER_LOCKED,
LLL_MUTEX_LOCK_INITIALIZER_WAITERS): Remove.
(__lll_mutex_lock_wait, __lll_mutex_timedlock_wait,
__lll_mutex_unlock_wake, __lll_lock_wait, __lll_unlock_wake):
Remove prototype.
(__lll_trylock_asm, __lll_lock_asm_start, __lll_unlock_asm): Define.
(lll_robust_trylock, lll_cond_trylock): Use LLL_LOCK_INITIALIZER*
rather than LLL_MUTEX_LOCK_INITIALIZER* macros.
(lll_trylock): Likewise, use __lll_trylock_asm, pass
MULTIPLE_THREADS_OFFSET as another asm operand.
(lll_lock): Add private argument, use __lll_lock_asm_start, pass
MULTIPLE_THREADS_OFFSET as last asm operand, call
__lll_lock_wait_private if private is constant LLL_PRIVATE,
otherwise pass private as another argument to __lll_lock_wait.
(lll_robust_lock, lll_cond_lock, lll_robust_cond_lock,
lll_timedlock, lll_robust_timedlock): Add private argument, pass
private as another argument to __lll_*lock_wait call.
(lll_unlock): Add private argument, use __lll_unlock_asm, pass
MULTIPLE_THREADS_OFFSET as another asm operand, call
__lll_unlock_wake_private if private is constant LLL_PRIVATE,
otherwise pass private as another argument to __lll_unlock_wake.
(lll_robust_unlock): Add private argument, pass private as another
argument to __lll_unlock_wake.
(lll_robust_dead): Add private argument, use __lll_private_flag
macro.
(lll_islocked): Use LLL_LOCK_INITIALIZER instead of
LLL_MUTEX_LOCK_INITIALIZER.
(lll_lock_t): Remove.
(LLL_LOCK_INITIALIZER_WAITERS): Define.
(__lll_cond_wait, __lll_cond_timedwait, __lll_cond_wake,
__lll_cond_broadcast, lll_cond_wait, lll_cond_timedwait,
lll_cond_wake, lll_cond_broadcast): Remove.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Revert
2007-05-2{3,9} changes.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Include
kernel-features.h and lowlevellock.h.
(LOAD_PRIVATE_FUTEX_WAIT): Define.
(LOAD_FUTEX_WAIT): Rewritten.
(LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't
define.
(__lll_lock_wait_private, __lll_unlock_wake_private): New functions.
(__lll_mutex_lock_wait): Rename to ...
(__lll_lock_wait): ... this. Take futex addr from %edx instead of
%ecx, %ecx is now private argument. Don't compile in for libc.so.
(__lll_mutex_timedlock_wait): Rename to ...
(__lll_timedlock_wait): ... this. Use __NR_gettimeofday. %esi
contains private argument. Don't compile in for libc.so.
(__lll_mutex_unlock_wake): Rename to ...
(__lll_unlock_wake): ... this. %ecx contains private argument.
Don't compile in for libc.so.
(__lll_timedwait_tid): Use __NR_gettimeofday.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Include
kernel-features.h and lowlevellock.h.
(LOAD_FUTEX_WAIT): Define.
(LOCK, SYS_gettimeofday, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't
define.
(__lll_robust_mutex_lock_wait): Rename to ...
(__lll_robust_lock_wait): ... this. Futex addr is now in %edx
argument, %ecx argument contains private. Use LOAD_FUTEX_WAIT
macro.
(__lll_robust_mutex_timedlock_wait): Rename to ...
(__lll_robust_timedlock_wait): ... this. Use __NR_gettimeofday.
%esi argument contains private, use LOAD_FUTEX_WAIT macro.
* sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Include
lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass
PRIVATE(%ebx) ^ LLL_SHARED as private argument in %ecx to
__lll_lock_wait and __lll_unlock_wake, pass MUTEX(%ebx) address
to __lll_lock_wait in %edx.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S:
Include lowlevellock.h and pthread-errnos.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE,
FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define.
(__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*, pass
cond_lock address in %edx rather than %ecx to __lll_lock_wait,
pass LLL_SHARED in %ecx to both __lll_lock_wait and
__lll_unlock_wake.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S:
Include lowlevellock.h and pthread-errnos.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define.
(__pthread_cond_signal): Rename __lll_mutex_* to __lll_*, pass
cond_lock address in %edx rather than %ecx to __lll_lock_wait,
pass LLL_SHARED in %ecx to both __lll_lock_wait and
__lll_unlock_wake.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:
Include lowlevellock.h.
(SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK):
Don't define.
(__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*, pass
cond_lock address in %edx rather than %ecx to __lll_lock_wait,
pass LLL_SHARED in %ecx to both __lll_lock_wait and
__lll_unlock_wake. Use __NR_gettimeofday.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_cond_wait, __condvar_w_cleanup): Rename __lll_mutex_*
to __lll_*, pass cond_lock address in %edx rather than %ecx to
__lll_lock_wait, pass LLL_SHARED in %ecx to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*, pass
MUTEX(%ebx) address in %edx rather than %ecx to
__lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait
and __lll_unlock_wake. Move return value from %ecx to %edx
register.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
Include lowlevellock.h.
(SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK):
Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass
MUTEX(%ebp) address in %edx rather than %ecx to
__lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait
and __lll_unlock_wake. Move return value from %ecx to %edx
register. Use __NR_gettimeofday.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
Include lowlevellock.h.
(SYS_futex, SYS_gettimeofday, FUTEX_WAIT, FUTEX_WAKE, LOCK):
Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass
MUTEX(%ebp) address in %edx rather than %ecx to
__lll_lock_wait, pass PSHARED(%ebp) in %ecx to both __lll_lock_wait
and __lll_unlock_wake. Move return value from %ecx to %edx
register. Use __NR_gettimeofday.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*, pass
MUTEX(%edi) address in %edx rather than %ecx to
__lll_lock_wait, pass PSHARED(%edi) in %ecx to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*, pass
MUTEX(%ebx) address in %edx rather than %ecx to
__lll_lock_wait, pass PSHARED(%ebx) in %ecx to both __lll_lock_wait
and __lll_unlock_wake. Move return value from %ecx to %edx
register.
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Include
lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't
define.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Include lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAKE): Don't define.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Include
lowlevellock.h.
(LOCK, SYS_futex, SYS_gettimeofday, FUTEX_WAIT): Don't define.
(sem_timedwait): Use __NR_gettimeofday.
* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Include
lowlevellock.h.
(LOCK): Don't define.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include
lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAIT): Don't define.
* sysdeps/unix/sysv/linux/powerpc/sem_post.c: Wake only when there
are waiters.
* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Revert
2007-05-2{3,9} changes.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Include
kernel-features.h and lowlevellock.h.
(LOAD_PRIVATE_FUTEX_WAIT): Define.
(LOAD_FUTEX_WAIT): Rewritten.
(LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define.
(__lll_lock_wait_private, __lll_unlock_wake_private): New functions.
(__lll_mutex_lock_wait): Rename to ...
(__lll_lock_wait): ... this. %esi is now private argument.
Don't compile in for libc.so.
(__lll_mutex_timedlock_wait): Rename to ...
(__lll_timedlock_wait): ... this. %esi contains private argument.
Don't compile in for libc.so.
(__lll_mutex_unlock_wake): Rename to ...
(__lll_unlock_wake): ... this. %esi contains private argument.
Don't compile in for libc.so.
* sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S: Include
kernel-features.h and lowlevellock.h.
(LOAD_FUTEX_WAIT): Define.
(LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE): Don't define.
(__lll_robust_mutex_lock_wait): Rename to ...
(__lll_robust_lock_wait): ... this. %esi argument contains private.
Use LOAD_FUTEX_WAIT macro.
(__lll_robust_mutex_timedlock_wait): Rename to ...
(__lll_robust_timedlock_wait): ... this. %esi argument contains
private, use LOAD_FUTEX_WAIT macro.
* sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: Include
lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(pthread_barrier_wait): Rename __lll_mutex_* to __lll_*, pass
PRIVATE(%rdi) ^ LLL_SHARED as private argument in %esi to
__lll_lock_wait and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S:
Include lowlevellock.h and pthread-errnos.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_REQUEUE,
FUTEX_CMP_REQUEUE, EINVAL, LOCK): Don't define.
(__pthread_cond_broadcast): Rename __lll_mutex_* to __lll_*,
pass LLL_SHARED in %esi to both __lll_lock_wait and
__lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S:
Include lowlevellock.h and pthread-errnos.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_WAKE_OP,
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, EINVAL, LOCK): Don't define.
(__pthread_cond_signal): Rename __lll_mutex_* to __lll_*,
pass LLL_SHARED in %esi to both __lll_lock_wait and
__lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_cond_timedwait): Rename __lll_mutex_* to __lll_*,
pass LLL_SHARED in %esi to both __lll_lock_wait and
__lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, LOCK): Don't define.
(__pthread_cond_wait, __condvar_cleanup): Rename __lll_mutex_*
to __lll_*, pass LLL_SHARED in %esi to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK):
Don't define.
(__pthread_rwlock_rdlock): Rename __lll_mutex_* to __lll_*,
pass PSHARED(%rdi) in %esi to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK):
Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*,
pass PSHARED(%rdi) in %esi to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK):
Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*,
pass PSHARED(%rdi) in %esi to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK):
Don't define.
(__pthread_rwlock_unlock): Rename __lll_mutex_* to __lll_*,
pass PSHARED(%rdi) in %esi to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S:
Include lowlevellock.h.
(SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG, LOCK):
Don't define.
(__pthread_rwlock_wrlock): Rename __lll_mutex_* to __lll_*,
pass PSHARED(%rdi) in %ecx to both __lll_lock_wait
and __lll_unlock_wake.
* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Include
lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAIT, FUTEX_WAKE, FUTEX_PRIVATE_FLAG): Don't
define.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Include lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAKE): Don't define.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Include
lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAIT): Don't define.
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Include
lowlevellock.h.
(LOCK): Don't define.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Include
lowlevellock.h.
(LOCK, SYS_futex, FUTEX_WAIT): Don't define.
* sysdeps/unix/sysv/linux/sparc/internaltypes.h: New file.
* sysdeps/unix/sysv/linux/sparc/pthread_barrier_destroy.c: New file.
* sysdeps/unix/sysv/linux/sparc/pthread_barrier_init.c: New file.
* sysdeps/unix/sysv/linux/sparc/pthread_barrier_wait.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c
(__lll_lock_wait_private): New function.
(__lll_lock_wait, __lll_timedlock_wait): Add private argument, pass
it to lll_futex_*wait. Don't compile in for libc.so.
* sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c:
Remove.
* sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
(struct sparc_pthread_barrier): Remove.
(pthread_barrier_wait): Use union sparc_pthread_barrier instead of
struct sparc_pthread_barrier. Pass
ibarrier->s.pshared ? LLL_SHARED : LLL_PRIVATE to lll_{,un}lock
and lll_futex_wait macros.
* sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c:
Remove.
* sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c:
Include sparc pthread_barrier_wait.c instead of generic one.
576 lines
22 KiB
C
576 lines
22 KiB
C
/* Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _PTHREADP_H
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#define _PTHREADP_H 1
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#include <pthread.h>
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#include <setjmp.h>
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#include <stdbool.h>
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#include <sys/syscall.h>
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#include "descr.h"
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#include <tls.h>
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#include <lowlevellock.h>
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#include <stackinfo.h>
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#include <internaltypes.h>
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#include <pthread-functions.h>
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#include <atomic.h>
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#include <kernel-features.h>
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/* Atomic operations on TLS memory. */
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#ifndef THREAD_ATOMIC_CMPXCHG_VAL
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# define THREAD_ATOMIC_CMPXCHG_VAL(descr, member, new, old) \
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atomic_compare_and_exchange_val_acq (&(descr)->member, new, old)
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#endif
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#ifndef THREAD_ATOMIC_BIT_SET
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# define THREAD_ATOMIC_BIT_SET(descr, member, bit) \
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atomic_bit_set (&(descr)->member, bit)
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#endif
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/* Adaptive mutex definitions. */
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#ifndef MAX_ADAPTIVE_COUNT
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# define MAX_ADAPTIVE_COUNT 100
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#endif
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/* Magic cookie representing robust mutex with dead owner. */
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#define PTHREAD_MUTEX_INCONSISTENT INT_MAX
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/* Magic cookie representing not recoverable robust mutex. */
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#define PTHREAD_MUTEX_NOTRECOVERABLE (INT_MAX - 1)
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/* Internal mutex type value. */
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enum
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{
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PTHREAD_MUTEX_KIND_MASK_NP = 3,
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PTHREAD_MUTEX_ROBUST_NORMAL_NP = 16,
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PTHREAD_MUTEX_ROBUST_RECURSIVE_NP
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= PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_RECURSIVE_NP,
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PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP
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= PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
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PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP
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= PTHREAD_MUTEX_ROBUST_NORMAL_NP | PTHREAD_MUTEX_ADAPTIVE_NP,
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PTHREAD_MUTEX_PRIO_INHERIT_NP = 32,
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PTHREAD_MUTEX_PI_NORMAL_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_NORMAL,
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PTHREAD_MUTEX_PI_RECURSIVE_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_RECURSIVE_NP,
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PTHREAD_MUTEX_PI_ERRORCHECK_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
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PTHREAD_MUTEX_PI_ADAPTIVE_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ADAPTIVE_NP,
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PTHREAD_MUTEX_PI_ROBUST_NORMAL_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_NORMAL_NP,
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PTHREAD_MUTEX_PI_ROBUST_RECURSIVE_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_RECURSIVE_NP,
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PTHREAD_MUTEX_PI_ROBUST_ERRORCHECK_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP,
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PTHREAD_MUTEX_PI_ROBUST_ADAPTIVE_NP
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= PTHREAD_MUTEX_PRIO_INHERIT_NP | PTHREAD_MUTEX_ROBUST_ADAPTIVE_NP,
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PTHREAD_MUTEX_PRIO_PROTECT_NP = 64,
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PTHREAD_MUTEX_PP_NORMAL_NP
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= PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_NORMAL,
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PTHREAD_MUTEX_PP_RECURSIVE_NP
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= PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_RECURSIVE_NP,
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PTHREAD_MUTEX_PP_ERRORCHECK_NP
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= PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
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PTHREAD_MUTEX_PP_ADAPTIVE_NP
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= PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ADAPTIVE_NP
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};
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#define PTHREAD_MUTEX_TYPE(m) \
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((m)->__data.__kind)
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/* Ceiling in __data.__lock. __data.__lock is signed, so don't
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use the MSB bit in there, but in the mask also include that bit,
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so that the compiler can optimize & PTHREAD_MUTEX_PRIO_CEILING_MASK
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masking if the value is then shifted down by
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PTHREAD_MUTEX_PRIO_CEILING_SHIFT. */
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#define PTHREAD_MUTEX_PRIO_CEILING_SHIFT 19
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#define PTHREAD_MUTEX_PRIO_CEILING_MASK 0xfff80000
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/* Flags in mutex attr. */
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#define PTHREAD_MUTEXATTR_PROTOCOL_SHIFT 28
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#define PTHREAD_MUTEXATTR_PROTOCOL_MASK 0x30000000
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#define PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT 12
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#define PTHREAD_MUTEXATTR_PRIO_CEILING_MASK 0x00fff000
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#define PTHREAD_MUTEXATTR_FLAG_ROBUST 0x40000000
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#define PTHREAD_MUTEXATTR_FLAG_PSHARED 0x80000000
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#define PTHREAD_MUTEXATTR_FLAG_BITS \
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(PTHREAD_MUTEXATTR_FLAG_ROBUST | PTHREAD_MUTEXATTR_FLAG_PSHARED \
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| PTHREAD_MUTEXATTR_PROTOCOL_MASK | PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
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/* Check whether rwlock prefers readers. */
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#define PTHREAD_RWLOCK_PREFER_READER_P(rwlock) \
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((rwlock)->__data.__flags == 0)
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/* Bits used in robust mutex implementation. */
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#define FUTEX_WAITERS 0x80000000
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#define FUTEX_OWNER_DIED 0x40000000
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#define FUTEX_TID_MASK 0x3fffffff
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/* Internal variables. */
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/* Default stack size. */
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extern size_t __default_stacksize attribute_hidden;
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/* Size and alignment of static TLS block. */
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extern size_t __static_tls_size attribute_hidden;
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extern size_t __static_tls_align_m1 attribute_hidden;
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/* Flag whether the machine is SMP or not. */
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extern int __is_smp attribute_hidden;
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/* Thread descriptor handling. */
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extern list_t __stack_user;
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hidden_proto (__stack_user)
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/* Attribute handling. */
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extern struct pthread_attr *__attr_list attribute_hidden;
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extern int __attr_list_lock attribute_hidden;
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/* First available RT signal. */
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extern int __current_sigrtmin attribute_hidden;
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/* Last available RT signal. */
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extern int __current_sigrtmax attribute_hidden;
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/* Concurrency handling. */
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extern int __concurrency_level attribute_hidden;
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/* Thread-local data key handling. */
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extern struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX];
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hidden_proto (__pthread_keys)
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/* Number of threads running. */
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extern unsigned int __nptl_nthreads attribute_hidden;
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#ifndef __ASSUME_SET_ROBUST_LIST
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/* Negative if we do not have the system call and we can use it. */
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extern int __set_robust_list_avail attribute_hidden;
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#endif
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/* Thread Priority Protection. */
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extern int __sched_fifo_min_prio attribute_hidden;
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extern int __sched_fifo_max_prio attribute_hidden;
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extern void __init_sched_fifo_prio (void) attribute_hidden;
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extern int __pthread_tpp_change_priority (int prev_prio, int new_prio)
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attribute_hidden;
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extern int __pthread_current_priority (void) attribute_hidden;
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/* The library can run in debugging mode where it performs a lot more
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tests. */
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extern int __pthread_debug attribute_hidden;
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/** For now disable debugging support. */
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#if 0
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# define DEBUGGING_P __builtin_expect (__pthread_debug, 0)
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# define INVALID_TD_P(pd) (DEBUGGING_P && __find_in_stack_list (pd) == NULL)
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# define INVALID_NOT_TERMINATED_TD_P(pd) INVALID_TD_P (pd)
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#else
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# define DEBUGGING_P 0
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/* Simplified test. This will not catch all invalid descriptors but
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is better than nothing. And if the test triggers the thread
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descriptor is guaranteed to be invalid. */
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# define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0)
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# define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0)
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#endif
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/* Cancellation test. */
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#define CANCELLATION_P(self) \
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do { \
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int cancelhandling = THREAD_GETMEM (self, cancelhandling); \
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if (CANCEL_ENABLED_AND_CANCELED (cancelhandling)) \
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{ \
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THREAD_SETMEM (self, result, PTHREAD_CANCELED); \
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__do_cancel (); \
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} \
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} while (0)
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extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
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__cleanup_fct_attribute __attribute ((__noreturn__))
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#if !defined SHARED && !defined IS_IN_libpthread
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weak_function
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#endif
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;
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extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf)
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__cleanup_fct_attribute __attribute ((__noreturn__))
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#ifndef SHARED
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weak_function
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#endif
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;
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extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf)
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__cleanup_fct_attribute;
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extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf)
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__cleanup_fct_attribute;
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#if defined NOT_IN_libc && defined IS_IN_libpthread
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hidden_proto (__pthread_unwind)
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hidden_proto (__pthread_unwind_next)
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hidden_proto (__pthread_register_cancel)
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hidden_proto (__pthread_unregister_cancel)
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# ifdef SHARED
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extern void attribute_hidden pthread_cancel_init (void);
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# endif
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#endif
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/* Called when a thread reacts on a cancellation request. */
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static inline void
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__attribute ((noreturn, always_inline))
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__do_cancel (void)
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{
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struct pthread *self = THREAD_SELF;
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/* Make sure we get no more cancellations. */
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THREAD_ATOMIC_BIT_SET (self, cancelhandling, EXITING_BIT);
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__pthread_unwind ((__pthread_unwind_buf_t *)
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THREAD_GETMEM (self, cleanup_jmp_buf));
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}
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/* Set cancellation mode to asynchronous. */
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#define CANCEL_ASYNC() \
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__pthread_enable_asynccancel ()
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/* Reset to previous cancellation mode. */
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#define CANCEL_RESET(oldtype) \
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__pthread_disable_asynccancel (oldtype)
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#if !defined NOT_IN_libc
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/* Same as CANCEL_ASYNC, but for use in libc.so. */
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# define LIBC_CANCEL_ASYNC() \
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__libc_enable_asynccancel ()
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/* Same as CANCEL_RESET, but for use in libc.so. */
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# define LIBC_CANCEL_RESET(oldtype) \
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__libc_disable_asynccancel (oldtype)
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# define LIBC_CANCEL_HANDLED() \
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__asm (".globl " __SYMBOL_PREFIX "__libc_enable_asynccancel"); \
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__asm (".globl " __SYMBOL_PREFIX "__libc_disable_asynccancel")
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#elif defined NOT_IN_libc && defined IS_IN_libpthread
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# define LIBC_CANCEL_ASYNC() CANCEL_ASYNC ()
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# define LIBC_CANCEL_RESET(val) CANCEL_RESET (val)
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# define LIBC_CANCEL_HANDLED() \
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__asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \
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__asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel")
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#elif defined NOT_IN_libc && defined IS_IN_librt
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# define LIBC_CANCEL_ASYNC() \
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__librt_enable_asynccancel ()
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# define LIBC_CANCEL_RESET(val) \
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__librt_disable_asynccancel (val)
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# define LIBC_CANCEL_HANDLED() \
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__asm (".globl " __SYMBOL_PREFIX "__librt_enable_asynccancel"); \
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__asm (".globl " __SYMBOL_PREFIX "__librt_disable_asynccancel")
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#else
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# define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
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# define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */
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# define LIBC_CANCEL_HANDLED() /* Nothing. */
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#endif
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/* The signal used for asynchronous cancelation. */
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#define SIGCANCEL __SIGRTMIN
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/* Signal needed for the kernel-supported POSIX timer implementation.
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We can reuse the cancellation signal since we can distinguish
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cancellation from timer expirations. */
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#define SIGTIMER SIGCANCEL
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/* Signal used to implement the setuid et.al. functions. */
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#define SIGSETXID (__SIGRTMIN + 1)
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/* Used to communicate with signal handler. */
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extern struct xid_command *__xidcmd attribute_hidden;
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/* Internal prototypes. */
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/* Thread list handling. */
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extern struct pthread *__find_in_stack_list (struct pthread *pd)
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attribute_hidden internal_function;
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/* Deallocate a thread's stack after optionally making sure the thread
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descriptor is still valid. */
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extern void __free_tcb (struct pthread *pd) attribute_hidden internal_function;
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/* Free allocated stack. */
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extern void __deallocate_stack (struct pthread *pd)
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attribute_hidden internal_function;
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/* Mark all the stacks except for the current one as available. This
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function also re-initializes the lock for the stack cache. */
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extern void __reclaim_stacks (void) attribute_hidden;
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/* Make all threads's stacks executable. */
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extern int __make_stacks_executable (void **stack_endp)
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internal_function attribute_hidden;
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/* longjmp handling. */
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extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);
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#if defined NOT_IN_libc && defined IS_IN_libpthread
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hidden_proto (__pthread_cleanup_upto)
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#endif
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/* Functions with versioned interfaces. */
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extern int __pthread_create_2_1 (pthread_t *newthread,
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const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg);
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extern int __pthread_create_2_0 (pthread_t *newthread,
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const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg);
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extern int __pthread_attr_init_2_1 (pthread_attr_t *attr);
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extern int __pthread_attr_init_2_0 (pthread_attr_t *attr);
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/* Event handlers for libthread_db interface. */
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extern void __nptl_create_event (void);
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extern void __nptl_death_event (void);
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hidden_proto (__nptl_create_event)
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hidden_proto (__nptl_death_event)
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|
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/* Register the generation counter in the libpthread with the libc. */
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#ifdef TLS_MULTIPLE_THREADS_IN_TCB
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extern void __libc_pthread_init (unsigned long int *ptr,
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void (*reclaim) (void),
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const struct pthread_functions *functions)
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internal_function;
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#else
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extern int *__libc_pthread_init (unsigned long int *ptr,
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void (*reclaim) (void),
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const struct pthread_functions *functions)
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internal_function;
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/* Variable set to a nonzero value if more than one thread runs or ran. */
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extern int __pthread_multiple_threads attribute_hidden;
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/* Pointer to the corresponding variable in libc. */
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extern int *__libc_multiple_threads_ptr attribute_hidden;
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#endif
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/* Find a thread given its TID. */
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extern struct pthread *__find_thread_by_id (pid_t tid) attribute_hidden
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#ifdef SHARED
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;
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|
#else
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weak_function;
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#define __find_thread_by_id(tid) \
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(__find_thread_by_id ? (__find_thread_by_id) (tid) : (struct pthread *) NULL)
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#endif
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extern void __pthread_init_static_tls (struct link_map *) attribute_hidden;
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/* Namespace save aliases. */
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extern int __pthread_getschedparam (pthread_t thread_id, int *policy,
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struct sched_param *param);
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extern int __pthread_setschedparam (pthread_t thread_id, int policy,
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const struct sched_param *param);
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extern int __pthread_setcancelstate (int state, int *oldstate);
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extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
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__const pthread_mutexattr_t *__mutexattr);
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extern int __pthread_mutex_init_internal (pthread_mutex_t *__mutex,
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__const pthread_mutexattr_t *__mutexattr)
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attribute_hidden;
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extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
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extern int __pthread_mutex_destroy_internal (pthread_mutex_t *__mutex)
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attribute_hidden;
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extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex);
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extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
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extern int __pthread_mutex_lock_internal (pthread_mutex_t *__mutex)
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attribute_hidden;
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extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex)
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attribute_hidden internal_function;
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extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
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extern int __pthread_mutex_unlock_internal (pthread_mutex_t *__mutex)
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attribute_hidden;
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extern int __pthread_mutex_unlock_usercnt (pthread_mutex_t *__mutex,
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int __decr)
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attribute_hidden internal_function;
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extern int __pthread_mutexattr_init (pthread_mutexattr_t *attr);
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extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *attr);
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extern int __pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind);
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extern int __pthread_attr_destroy (pthread_attr_t *attr);
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extern int __pthread_attr_getdetachstate (const pthread_attr_t *attr,
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int *detachstate);
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extern int __pthread_attr_setdetachstate (pthread_attr_t *attr,
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int detachstate);
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extern int __pthread_attr_getinheritsched (const pthread_attr_t *attr,
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int *inherit);
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extern int __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit);
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extern int __pthread_attr_getschedparam (const pthread_attr_t *attr,
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struct sched_param *param);
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extern int __pthread_attr_setschedparam (pthread_attr_t *attr,
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const struct sched_param *param);
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extern int __pthread_attr_getschedpolicy (const pthread_attr_t *attr,
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int *policy);
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extern int __pthread_attr_setschedpolicy (pthread_attr_t *attr, int policy);
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extern int __pthread_attr_getscope (const pthread_attr_t *attr, int *scope);
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extern int __pthread_attr_setscope (pthread_attr_t *attr, int scope);
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extern int __pthread_attr_getstackaddr (__const pthread_attr_t *__restrict
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__attr, void **__restrict __stackaddr);
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extern int __pthread_attr_setstackaddr (pthread_attr_t *__attr,
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void *__stackaddr);
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extern int __pthread_attr_getstacksize (__const pthread_attr_t *__restrict
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__attr,
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size_t *__restrict __stacksize);
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extern int __pthread_attr_setstacksize (pthread_attr_t *__attr,
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size_t __stacksize);
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extern int __pthread_attr_getstack (__const pthread_attr_t *__restrict __attr,
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void **__restrict __stackaddr,
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size_t *__restrict __stacksize);
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extern int __pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr,
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size_t __stacksize);
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extern int __pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock,
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__const pthread_rwlockattr_t *__restrict
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__attr);
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extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_rdlock_internal (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_wrlock_internal (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
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extern int __pthread_rwlock_unlock_internal (pthread_rwlock_t *__rwlock);
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extern int __pthread_cond_broadcast (pthread_cond_t *cond);
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extern int __pthread_cond_destroy (pthread_cond_t *cond);
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extern int __pthread_cond_init (pthread_cond_t *cond,
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const pthread_condattr_t *cond_attr);
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extern int __pthread_cond_signal (pthread_cond_t *cond);
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extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex);
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extern int __pthread_cond_timedwait (pthread_cond_t *cond,
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pthread_mutex_t *mutex,
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const struct timespec *abstime);
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extern int __pthread_condattr_destroy (pthread_condattr_t *attr);
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extern int __pthread_condattr_init (pthread_condattr_t *attr);
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extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *));
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extern int __pthread_key_create_internal (pthread_key_t *key,
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void (*destr) (void *));
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extern void *__pthread_getspecific (pthread_key_t key);
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extern void *__pthread_getspecific_internal (pthread_key_t key);
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extern int __pthread_setspecific (pthread_key_t key, const void *value);
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extern int __pthread_setspecific_internal (pthread_key_t key,
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const void *value);
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extern int __pthread_once (pthread_once_t *once_control,
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void (*init_routine) (void));
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extern int __pthread_once_internal (pthread_once_t *once_control,
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void (*init_routine) (void));
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extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
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void (*child) (void));
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extern pthread_t __pthread_self (void);
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extern int __pthread_equal (pthread_t thread1, pthread_t thread2);
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extern int __pthread_kill (pthread_t threadid, int signo);
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extern void __pthread_exit (void *value);
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extern int __pthread_setcanceltype (int type, int *oldtype);
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extern int __pthread_enable_asynccancel (void) attribute_hidden;
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extern void __pthread_disable_asynccancel (int oldtype)
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internal_function attribute_hidden;
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extern int __pthread_cond_broadcast_2_0 (pthread_cond_2_0_t *cond);
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extern int __pthread_cond_destroy_2_0 (pthread_cond_2_0_t *cond);
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extern int __pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
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const pthread_condattr_t *cond_attr);
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extern int __pthread_cond_signal_2_0 (pthread_cond_2_0_t *cond);
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extern int __pthread_cond_timedwait_2_0 (pthread_cond_2_0_t *cond,
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pthread_mutex_t *mutex,
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const struct timespec *abstime);
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extern int __pthread_cond_wait_2_0 (pthread_cond_2_0_t *cond,
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pthread_mutex_t *mutex);
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extern int __pthread_getaffinity_np (pthread_t th, size_t cpusetsize,
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cpu_set_t *cpuset);
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/* The two functions are in libc.so and not exported. */
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extern int __libc_enable_asynccancel (void) attribute_hidden;
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extern void __libc_disable_asynccancel (int oldtype)
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internal_function attribute_hidden;
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/* The two functions are in librt.so and not exported. */
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extern int __librt_enable_asynccancel (void) attribute_hidden;
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extern void __librt_disable_asynccancel (int oldtype)
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internal_function attribute_hidden;
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#ifdef IS_IN_libpthread
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/* Special versions which use non-exported functions. */
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extern void __pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
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void (*routine) (void *), void *arg)
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attribute_hidden;
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# undef pthread_cleanup_push
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# define pthread_cleanup_push(routine,arg) \
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{ struct _pthread_cleanup_buffer _buffer; \
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__pthread_cleanup_push (&_buffer, (routine), (arg));
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extern void __pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer,
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int execute) attribute_hidden;
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# undef pthread_cleanup_pop
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# define pthread_cleanup_pop(execute) \
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__pthread_cleanup_pop (&_buffer, (execute)); }
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#endif
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extern void __pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer,
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|
void (*routine) (void *), void *arg);
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extern void __pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer,
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int execute);
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/* Old cleanup interfaces, still used in libc.so. */
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extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *buffer,
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void (*routine) (void *), void *arg);
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extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *buffer,
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|
int execute);
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extern void _pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer,
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|
void (*routine) (void *), void *arg);
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extern void _pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer,
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|
int execute);
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extern void __nptl_deallocate_tsd (void) attribute_hidden;
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extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden;
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extern void __free_stack_cache (void) attribute_hidden;
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|
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extern void __wait_lookup_done (void) attribute_hidden;
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|
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#ifdef SHARED
|
|
# define PTHREAD_STATIC_FN_REQUIRE(name)
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|
#else
|
|
# define PTHREAD_STATIC_FN_REQUIRE(name) __asm (".globl " #name);
|
|
#endif
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#ifndef __NR_set_robust_list
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|
/* XXX For the time being... Once we can rely on the kernel headers
|
|
having the definition remove these lines. */
|
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# if defined __i386__
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# define __NR_set_robust_list 311
|
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# elif defined __x86_64__
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# define __NR_set_robust_list 273
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# endif
|
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#endif
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#endif /* pthreadP.h */
|