* sysdeps/generic/utmp_file.c: Use not-cancelable syscalls all
over the place. It would be allowed to have these fucntions as
cancellation points but the cleanup would be ugly and a lot of
work.
* sysdeps/generic/not-cancel.h (fcntl_not_cancel): Define.
* sysdeps/unix/sysv/linux/not-cancel.h (fcntl_not_cancel): Define.
* include/fcntl.h (__fcntl_nocancel): Declare.
* sysdeps/unix/sysv/linux/fcntl.c: New file.
* sysdeps/unix/sysv/linux/i386/fcntl.c (__libc_fcntl): Only enable
cancellation if absolutely needed.
(__fcntl_nocancel): Define.
* posix/unistd.h (gethostid): Remove __THROW. Clarify comment.
* sysdeps/unix/sysv/linux/Makefile (CFLAGS-gethostid.c): Add
-fexceptions.
* sysdeps/unix/sysv/linux/gethostid.c (gethostid): Use
extend_alloca.
* resolv/res_init.c (__res_nclose): Use close_not_cancel_no_status
instead of __close.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h (PSEUDO): Also
defined symbol for entry point to avoid cancellation.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h (PSEUDO):
Likewise.
* sysdeps/unix/sysv/linux/i386/not-cancel.h (__open_nocancel,
__close_nocancel, __read_nocancel, __write_nocancel,
__waitpid_nocancel): Add attribute_hidden. If not in libc.so,
libpthread.so or librt.so, define to corresponding function
without _nocancel suffix.
* sysdeps/unix/sysv/linux/s390/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/powerpc/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/sparc/not-cancel.h: New file.
2003-09-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/x86-64/not-cancel.h: New file.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Make sure the code
in subsections has a symbol associated with it.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h (PSEUDO): Also
defined symbol for entry point to avoid cancellation.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h (PSEUDO): Likewise.
2003-06-30 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/pthread_once.S (__pthread_once):
Use correct cleanup handler registration. Add unwind info.
* tst-once3.c: Add cleanup handler and check it is called.
* tst-once4.c: Likewise.
* tst-oncex3.c: New file.
* tst-oncex4.c: New file.
* Makefile: Add rules to build and run tst-oncex3 and tst-oncex4.
2003-06-26 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/librt-cancellation.c: Move __pthread_unwind
definition to the front.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Rename
the cleanup functions to make the names unique. Fix dwarf opcode
un unwind table.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Rename cleanup
functions to make the names unique. Fix CFA offset for two blocks.
* sysdeps/pthread/aio_misc.h: Mark __aio_requests_mutex,
__aio_enqueue_request, __aio_find_req, __aio_find_req_fd,
__aio_free_request, __aio_notify, and __aio_sigqueue as hidden.
* sysdeps/pthread/aio_suspend.c (aio_suspend): Set errno to the result
of pthread_cond_wait if there was an error. Use pthread_cleanup_*
instead of __lbic_cleanup_region_*.
2003-06-15 Ulrich Drepper <drepper@redhat.com>
Fix cancellation point handling wrt exception based cleanup.
* io/Makefile: Compile fcntl.c, poll.c, and lockf.c with exceptions.
* misc/Makefile: Compile pselect.c, readv.c, writev.c, and usleep.c
with exceptions.
* posix/Makefile: Compile pread.c, pread64.c, pwrite.c, pwrite64.c,
sleep.c, wait.c, waitid.c, and waitpid.c with exceptions.
* rt/Makefile: Compile aio_suspend.c and clock_nanosleep.c with
exceptions.
* signal/Makefile: Compile sigpause.c, sigsuspend.c, sigtimedwait.c,
sigwait.c, and sigwaitinfo.c with exceptions.
* stdlib/Makefile: Compile system.c with exceptions.
* sysvipc/Makefile: Compile msgrcv.c and msgsnd.c with exceptions.
* termios/Makefile: Compile tcdrain.c with exceptions.
* sysdeps/generic/lockf.c: Add comment explaining the cancellation
situation.
* sysdeps/generic/pselect.c: Likewise.
* sysdeps/posix/sigpause.c: Likewise.
* sysdeps/posix/system.c: Likewise.
* sysdeps/posix/waitid.c: Likewise.
* sysdeps/unix/sysv/linux/sleep.c: Likewise.
* sysdeps/unix/sysv/linux/usleep.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Major rewrite of
INTERNAL_SYSCALL to not use push inside asm statement so that
unwind info is correct around the syscall.
* sysdeps/unix/clock_nanosleep.c: Add cancellation support.
* sysdeps/unix/sysv/linux/clock_nanosleep.c: Likewise.
2003-06-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
(__pthread_cond_signal): Some more tweaks to handle cond_lock!=0.
2003-06-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
(__pthread_cond_signal): Add some code to eventually handle
cond_lock!=0.
2003-05-08 Ulrich Drepper <drepper@redhat.com>
* malloc/thread-m.h: Remove special handling of thread_atfork if
HAVE_register_atfork_malloc is defined.
2003-04-14 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Use
DW_CFA_advance_loc2 for .Laddl-.Lsubl.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Use
DW_CFA_advance_loc for .Laddl-.Lsubl.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Don't use
position-independent unwind data for static libraries.
Add missing unwind info. Add comments.
2003-04-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/tls.h (THREAD_SETMEM): Word around compiler bug
which mishandles loading of global object addresses in PIC.
(THREAD_SETMEM_NC): Likewise.
2003-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c: Cleanup MAIN_AUXVEC_ARG handling.
Remove HAVE_CANCELBUF code. Replace with code using the new
initializers for unwind-based cleanup handling.
* sysdeps/generic/unwind.h: Update from latest gcc version.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define labels in a few
places to allow unwind data generation.
* sysdeps/i386/bits/setjmp.h: Allow file to be included multiple times.
* sysdeps/x86_64/bits/setjmp.h: Likewise.
* sysdeps/sh/bits/setjmp.h: Likewise.
* sysdeps/powerpc/bits/setjmp.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
* sysdeps/alpha/bits/setjmp.h: Likewise.
2003-03-17 Ulrich Drepper <drepper@redhat.com>
* localedata/en_ZA: hanged %x for LC_TIME to use dd/mm/ccyy.
Added ^ to LC_MESSAGES regex "^[yY].*".
Confirmed LC_PAPER adn LC_MEASUREMENT settings.
Added country and language names to LC_ADDRESS.
Added missing info for LC_TELEPHONE.
Patch by Dwayne Bailey <dwayne@obsidian.co.za>.
* descr.h (struct pthread): Move the union out of [!TLS_DTV_AT_TP], so
we always define the padding space.
[!TLS_DTV_AT_TP]: Give tcbhead_t field a name, `header', since GCC
stopped supporting its own extensions fully.
[TLS_MULTIPLE_THREADS_IN_TCB]: Put `multiple_threads' inside a wrapper
struct also called `header', so `header.multiple_threads' is the field
name to use on all machines.
* allocatestack.c (allocate_stack): Use `header.' prefix.
* sysdeps/pthread/createthread.c (create_thread): Likewise.
* pthread_create.c (__pthread_create_2_1): Likewise.
* sysdeps/i386/tls.h (INSTALL_NEW_DTV, THREAD_DTV): Likewise.
(THREAD_SELF): Likewise.
* sysdeps/x86_64/tls.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
