This is a new implementation for condition variables, required
after http://austingroupbugs.net/view.php?id=609 to fix bug 13165. In
essence, we need to be stricter in which waiters a signal or broadcast
is required to wake up; this couldn't be solved using the old algorithm.
ISO C++ made a similar clarification, so this also fixes a bug in
current libstdc++, for example.
We can't use the old algorithm anymore because futexes do not guarantee
to wake in FIFO order. Thus, when we wake, we can't simply let any
waiter grab a signal, but we need to ensure that one of the waiters
happening before the signal is woken up. This is something the previous
algorithm violated (see bug 13165).
There's another issue specific to condvars: ABA issues on the underlying
futexes. Unlike mutexes that have just three states, or semaphores that
have no tokens or a limited number of them, the state of a condvar is
the *order* of the waiters. A waiter on a semaphore can grab a token
whenever one is available; a condvar waiter must only consume a signal
if it is eligible to do so as determined by the relative order of the
waiter and the signal.
Therefore, this new algorithm maintains two groups of waiters: Those
eligible to consume signals (G1), and those that have to wait until
previous waiters have consumed signals (G2). Once G1 is empty, G2
becomes the new G1. 64b counters are used to avoid ABA issues.
This condvar doesn't yet use a requeue optimization (ie, on a broadcast,
waking just one thread and requeueing all others on the futex of the
mutex supplied by the program). I don't think doing the requeue is
necessarily the right approach (but I haven't done real measurements
yet):
* If a program expects to wake many threads at the same time and make
that scalable, a condvar isn't great anyway because of how it requires
waiters to operate mutually exclusive (due to the mutex usage). Thus, a
thundering herd problem is a scalability problem with or without the
optimization. Using something like a semaphore might be more
appropriate in such a case.
* The scalability problem is actually at the mutex side; the condvar
could help (and it tries to with the requeue optimization), but it
should be the mutex who decides how that is done, and whether it is done
at all.
* Forcing all but one waiter into the kernel-side wait queue of the
mutex prevents/avoids the use of lock elision on the mutex. Thus, it
prevents the only cure against the underlying scalability problem
inherent to condvars.
* If condvars use short critical sections (ie, hold the mutex just to
check a binary flag or such), which they should do ideally, then forcing
all those waiter to proceed serially with kernel-based hand-off (ie,
futex ops in the mutex' contended state, via the futex wait queues) will
be less efficient than just letting a scalable mutex implementation take
care of it. Our current mutex impl doesn't employ spinning at all, but
if critical sections are short, spinning can be much better.
* Doing the requeue stuff requires all waiters to always drive the mutex
into the contended state. This leads to each waiter having to call
futex_wake after lock release, even if this wouldn't be necessary.
[BZ #13165]
* nptl/pthread_cond_broadcast.c (__pthread_cond_broadcast): Rewrite to
use new algorithm.
* nptl/pthread_cond_destroy.c (__pthread_cond_destroy): Likewise.
* nptl/pthread_cond_init.c (__pthread_cond_init): Likewise.
* nptl/pthread_cond_signal.c (__pthread_cond_signal): Likewise.
* nptl/pthread_cond_wait.c (__pthread_cond_wait): Likewise.
(__pthread_cond_timedwait): Move here from pthread_cond_timedwait.c.
(__condvar_confirm_wakeup, __condvar_cancel_waiting,
__condvar_cleanup_waiting, __condvar_dec_grefs,
__pthread_cond_wait_common): New.
(__condvar_cleanup): Remove.
* npt/pthread_condattr_getclock.c (pthread_condattr_getclock): Adapt.
* npt/pthread_condattr_setclock.c (pthread_condattr_setclock):
Likewise.
* npt/pthread_condattr_getpshared.c (pthread_condattr_getpshared):
Likewise.
* npt/pthread_condattr_init.c (pthread_condattr_init): Likewise.
* nptl/tst-cond1.c: Add comment.
* nptl/tst-cond20.c (do_test): Adapt.
* nptl/tst-cond22.c (do_test): Likewise.
* sysdeps/aarch64/nptl/bits/pthreadtypes.h (pthread_cond_t): Adapt
structure.
* sysdeps/arm/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/ia64/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/m68k/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/microblaze/nptl/bits/pthreadtypes.h (pthread_cond_t):
Likewise.
* sysdeps/mips/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/nios2/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/s390/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/sh/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/tile/nptl/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h (pthread_cond_t):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h (pthread_cond_t):
Likewise.
* sysdeps/x86/bits/pthreadtypes.h (pthread_cond_t): Likewise.
* sysdeps/nptl/internaltypes.h (COND_NWAITERS_SHIFT): Remove.
(COND_CLOCK_BITS): Adapt.
* sysdeps/nptl/pthread.h (PTHREAD_COND_INITIALIZER): Adapt.
* nptl/pthreadP.h (__PTHREAD_COND_CLOCK_MONOTONIC_MASK,
__PTHREAD_COND_SHARED_MASK): New.
* nptl/nptl-printers.py (CLOCK_IDS): Remove.
(ConditionVariablePrinter, ConditionVariableAttributesPrinter): Adapt.
* nptl/nptl_lock_constants.pysym: Adapt.
* nptl/test-cond-printers.py: Adapt.
* sysdeps/unix/sysv/linux/hppa/internaltypes.h (cond_compat_clear,
cond_compat_check_and_clear): Adapt.
* sysdeps/unix/sysv/linux/hppa/pthread_cond_timedwait.c: Remove file ...
* sysdeps/unix/sysv/linux/hppa/pthread_cond_wait.c
(__pthread_cond_timedwait): ... and move here.
* nptl/DESIGN-condvar.txt: Remove file.
* nptl/lowlevelcond.sym: Likewise.
* nptl/pthread_cond_timedwait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
Information about whether the ABI of long double is the same as that
of double is split between bits/mathdef.h and bits/wordsize.h.
When the ABIs are the same, bits/mathdef.h defines
__NO_LONG_DOUBLE_MATH. In addition, in the case where the same glibc
binary supports both -mlong-double-64 and -mlong-double-128,
bits/wordsize.h defines __LONG_DOUBLE_MATH_OPTIONAL, along with
__NO_LONG_DOUBLE_MATH if this particular compilation is with
-mlong-double-64.
As part of the refactoring I proposed in
<https://sourceware.org/ml/libc-alpha/2016-11/msg00745.html>, this
patch puts all that information in a single header,
bits/long-double.h. It is included from sys/cdefs.h alongside the
include of bits/wordsize.h, so other headers generally do not need to
include bits/long-double.h directly.
Previously, various bits/mathdef.h headers and bits/wordsize.h headers
had this long double information (including implicitly in some
bits/mathdef.h headers through not having the defines present in the
default version). After the patch, it's all in six bits/long-double.h
headers. Furthermore, most of those new headers are not
architecture-specific. Architectures with optional long double all
use the ldbl-opt sysdeps directory, either in the order (ldbl-64-128,
ldbl-opt, ldbl-128) or (ldbl-128ibm, ldbl-opt). Thus a generic header
for the case where long double = double, and headers in ldbl-128,
ldbl-96 and ldbl-opt, suffices to cover every architecture except for
cases where long double properties vary between different ABIs sharing
a set of installed headers; fortunately all the ldbl-opt cases share a
single compiler-predefined macro __LONG_DOUBLE_128__ that can be used
to tell whether this compilation is -mlong-double-64 or
-mlong-double-128.
The two cases where a set of headers is shared between ABIs with
different long double properties, MIPS (o32 has long double = double,
other ABIs use ldbl-128) and SPARC (32-bit has optional long double,
64-bit has required long double), need their own bits/long-double.h
headers.
As with bits/wordsize.h, multiple-include protection for this header
is generally implicit through the include guards on sys/cdefs.h, and
multiple inclusion is harmless in any case. There is one subtlety:
the header must not define __LONG_DOUBLE_MATH_OPTIONAL if
__NO_LONG_DOUBLE_MATH was defined before its inclusion, because doing
so breaks how sysdeps/ieee754/ldbl-opt/nldbl-compat.h defines
__NO_LONG_DOUBLE_MATH itself before including system headers. Subject
to keeping that working, it would be reasonable to move these macros
from defined/undefined #ifdef to always-defined 1/0 #if semantics, but
this patch does not attempt to do so, just rearranges where the macros
are defined.
After this patch, the only use of bits/mathdef.h is the alpha one for
modifying complex function ABIs for old GCC. Thus, all versions of
the header other than the default and alpha versions are removed, as
is the include from math.h.
Tested for x86_64 and x86. Also did compilation-only testing with
build-many-glibcs.py.
* bits/long-double.h: New file.
* sysdeps/ieee754/ldbl-128/bits/long-double.h: Likewise.
* sysdeps/ieee754/ldbl-96/bits/long-double.h: Likewise.
* sysdeps/ieee754/ldbl-opt/bits/long-double.h: Likewise.
* sysdeps/mips/bits/long-double.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Likewise.
* math/Makefile (headers): Add bits/long-double.h.
* misc/sys/cdefs.h: Include <bits/long-double.h>.
* stdlib/strtold.c: Include <bits/long-double.h> instead of
<bits/wordsize.h>.
* bits/mathdef.h [!_COMPLEX_H]: Do not allow inclusion.
[!__NO_LONG_DOUBLE_MATH]: Remove conditional code.
* math/math.h: Do not include <bits/mathdef.h>.
* sysdeps/aarch64/bits/mathdef.h: Remove file.
* sysdeps/alpha/bits/mathdef.h [!_COMPLEX_H]: Do not allow
inclusion.
* sysdeps/ia64/bits/mathdef.h: Remove file.
* sysdeps/m68k/m680x0/bits/mathdef.h: Likewise.
* sysdeps/mips/bits/mathdef.h: Likewise.
* sysdeps/powerpc/bits/mathdef.h: Likewise.
* sysdeps/s390/bits/mathdef.h: Likewise.
* sysdeps/sparc/bits/mathdef.h: Likewise.
* sysdeps/x86/bits/mathdef.h: Likewise.
* sysdeps/s390/s390-32/bits/wordsize.h
[!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]: Remove
conditional code.
* sysdeps/s390/s390-64/bits/wordsize.h
[!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
[!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
[!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
[!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
Likewise.
This patch consolidates all Linux setrlimit and getrlimit on the default
sysdeps/unix/sysv/linux/{set,get}rlimit{64}.c. It contains two exceptions:
1. mips32 and mips64n32 which requires a versioned symbol for GLIBC 2.19
and higher due a broken RLIM64_INFINITY constant.
2. sparc32 does not define a compat symbol for getrlimit64 for old 2GB
limit. I am not sure if it is required, but a RLIM_INFINITY fix [1]
change its definition without adding a compat symbol. This patch does
not aim to address this possible issue, it follow current symbol
export.
The default implementation uses prlimit64 for 64 bit rlim_t ({set,get}rlimit64)
and if it fails with ENOSYS it fall back to {get,set}rlimit syscall. This
code path is only used on kernel older than 2.6.36 (basically now only x86)
and I avoid to user __ASSUME_PRLIMTI64 to simplify the implementation. Once
x86 moves to be on par with other architectures regarding minimum kernel
supported we can get rid of using old syscalls and default path.
A new type size define is added, __RLIM_T_MATCHES_RLIM64_T, where is set as
default for 64 bits ports. This allows the default implementation to avoid
{get,set}rlimit building and alias {get,set}rlimit64 to {get,set}rlimit.
Checked on x86_64, i386, armhf, aarch64, and powerpc64le. I also did a
sanity build plus check-abi on all other supported architectures.
[1] Commit 9c96ff2385
Adhemerval Zanella <adhemerval.zanella@linaro.org>
Yury Norov <ynorov@caviumnetworks.com>
* bits/typesizes.h (__RLIM_T_MATCHES_RLIM64_T): define.
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
(__RLIM_T_MATCHES_RLIM64_T): Likewise.
* sysdeps/unix/sysv/linux/generic/bits/typesizes.h
(__RLIM_T_MATCHES_RLIM64_T): Likewise.
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h [__s390x__]
(__RLIM_T_MATCHES_RLIM64_T): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
[__arch64__ || __sparcv9] (__RLIM_T_MATCHES_RLIM64_T): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/typesizes.h [__86_64__]
(__RLIM_T_MATCHES_RLIM64_T): Likewise.
* sysdeps/unix/sysv/linux/arm/Makefile [$(subdir) = resource]
(sysdep_routines): Remove oldgetrlimit64.
* sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) = resource]
(sysdep_routines): Likewise.
* sysdeps/unix/sysv/linux/m68k/Makefile [$(subdir) = resource]
(sysdep_routines): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile
[$(subdir) = resource] (sysdep_routines): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/Makefile
[$(subdir) = resource] (sysdep_routines): Likewise.
* sysdeps/unix/sysv/linux/arm/getrlimit64.c: Remove file.
* sysdeps/unix/sysv/linux/arm/oldgetrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/hppa/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/i386/oldgetrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/oldgetrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/oldgetrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/oldgetrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/sh/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/setrlimit64.c: Likewise.
* sysdeps/sysv/linux/generic/wordsize-32/syscalls.list: Remove
setrlimit and getrlimit.
* sysdeps/unix/sysv/linux/hppa/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/i386/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/getrlimit.c: New file.
* sysdeps/unix/sysv/linux/sparc/getrlimit64.c: Likewise.
* sysdeps/unix/sysv/linux/setrlimit.c: Likewise.
* sysdeps/unix/sysv/linux/getrlimit64.c (__getrlimit64): Handle
__RLIM_T_MATCHES_RLIM64_T and add alias if defined.
(__old_getrlimit64): Add compatibility symbol.
* sysdeps/unix/sysv/linux/setrlimit64.c (__setrlimit): Likewise.
sys/ucontext.h unconditionally uses stack_t, and it does not make
sense to change that. But signal.h only declares stack_t under
__USE_XOPEN_EXTENDED || __USE_XOPEN2K8. The actual definition is
already in a bits header, bits/sigstack.h, but that header insists on
only being included by signal.h, so we have to change that as well as
all of the sys/ucontext.h variants. (Some but not all variants of
bits/sigcontext.h, which sys/ucontext.h may also need, had already
received this adjustment; for consistency, I made them all the same,
even if that's not strictly necessary in some configurations.)
bits/sigcontext.h and bits/sigstack.h also all need to receive
multiple inclusion guards.
* sysdeps/generic/sys/ucontext.h
* sysdeps/arm/sys/ucontext.h
* sysdeps/i386/sys/ucontext.h
* sysdeps/m68k/sys/ucontext.h
* sysdeps/mips/sys/ucontext.h
* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h
* sysdeps/unix/sysv/linux/arm/sys/ucontext.h
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h
* sysdeps/unix/sysv/linux/nios2/sys/ucontext.h
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h
* sysdeps/unix/sysv/linux/s390/sys/ucontext.h
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h
* sysdeps/unix/sysv/linux/x86/sys/ucontext.h:
Include both bits/sigcontext.h and bits/sigstack.h.
Fix grammar error in comment, if present.
* bits/sigstack.h
* sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h
* sysdeps/unix/sysv/linux/alpha/bits/sigstack.h
* sysdeps/unix/sysv/linux/bits/sigstack.h
* sysdeps/unix/sysv/linux/ia64/bits/sigstack.h
* sysdeps/unix/sysv/linux/mips/bits/sigstack.h
* sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
* sysdeps/unix/sysv/linux/sparc/bits/sigstack.h
* bits/sigcontext.h
* sysdeps/mach/hurd/i386/bits/sigcontext.h
* sysdeps/unix/sysv/linux/bits/sigcontext.h
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h
* sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h:
Add multiple inclusion guard. Permit inclusion by sys/ucontext.h
as well as signal.h, if this was not already allowed. Request
definition of size_t if necessary. Minimize semantically-null
differences across files.
Many headers are expected to expose a subset of the type definitions
in time.h. time.h has a whole bunch of messy logic for conditionally
defining some its types and structs, but, as best I can tell, this
has never worked 100%. In particular, __need_timespec is ineffective
if _TIME_H has already been defined, which means that if you compile
#include <time.h>
#include <sched.h>
with e.g. -fsyntax-only -std=c89 -Wall -Wsystem-headers, you will get
In file included from test.c:2:0:
/usr/include/sched.h:74:57: warning: "struct timespec" declared inside
parameter list will not be visible outside of this definition or declaration
extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
^~~~~~~~
And if you want to _use_ sched_rr_get_interval in a TU compiled that
way, you're hosed.
This patch replaces all of that with small bits/types/TYPE.h headers
as introduced earlier. time.h and bits/time.h are now *much* simpler,
and a lot of other headers are slightly simpler.
* time/time.h, bits/time.h, sysdeps/unix/sysv/linux/bits/time.h:
Remove all logic conditional on __need macros. Move all the
conditionally defined types to their own headers...
* time/bits/types/clock_t.h: Define clock_t here.
* time/bits/types/clockid_t.h: Define clockid_t here.
* time/bits/types/struct_itimerspec.h: Define struct itimerspec here.
* time/bits/types/struct_timespec.h: Define struct timespec here.
* time/bits/types/struct_timeval.h: Define struct timeval here.
* time/bits/types/struct_tm.h: Define struct tm here.
* time/bits/types/time_t.h: Define time_t here.
* time/bits/types/timer_t.h: Define timer_t here.
* time/Makefile: Install the new headers.
* bits/resource.h, io/fcntl.h, io/sys/poll.h, io/sys/stat.h
* io/utime.h, misc/sys/select.h, posix/sched.h, posix/sys/times.h
* posix/sys/types.h, resolv/netdb.h, rt/aio.h, rt/mqueue.h
* signal/signal.h, pthread/semaphore.h, sysdeps/nptl/pthread.h
* sysdeps/unix/sysv/linux/alpha/bits/resource.h
* sysdeps/unix/sysv/linux/alpha/sys/acct.h
* sysdeps/unix/sysv/linux/bits/resource.h
* sysdeps/unix/sysv/linux/bits/timex.h
* sysdeps/unix/sysv/linux/mips/bits/resource.h
* sysdeps/unix/sysv/linux/net/ppp_defs.h
* sysdeps/unix/sysv/linux/sparc/bits/resource.h
* sysdeps/unix/sysv/linux/sys/acct.h
* sysdeps/unix/sysv/linux/sys/timerfd.h
* sysvipc/sys/msg.h, sysvipc/sys/sem.h, sysvipc/sys/shm.h
* time/sys/time.h, time/sys/timeb.h
Use the new bits/types headers.
* include/time.h: Remove __need logic.
* include/bits/time.h
* include/bits/types/clock_t.h, include/bits/types/clockid_t.h
* include/bits/types/time_t.h, include/bits/types/timer_t.h
* include/bits/types/struct_itimerspec.h
* include/bits/types/struct_timespec.h
* include/bits/types/struct_timeval.h
* include/bits/types/struct_tm.h:
New wrapper headers.
bits/termios.h (various versions under sysdeps/unix/sysv/linux)
defines XCASE if defined __USE_MISC || defined __USE_XOPEN. This
macro was removed in the 2001 edition of POSIX, and is not otherwise
reserved, so should not be defined for 2001 and later versions of
POSIX. This patch fixes the conditions accordingly (leaving the macro
defined for __USE_MISC, so still in the default namespace).
Tested for x86_64 and x86 (testsuite, and that installed shared
libraries are unchanged by the patch).
[BZ #19925]
* sysdeps/unix/sysv/linux/alpha/bits/termios.h (XCASE): Do not
define if [!__USE_MISC && __USE_XOPEN2K].
* sysdeps/unix/sysv/linux/bits/termios.h (XCASE): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/termios.h (XCASE): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/termios.h (XCASE):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/termios.h (XCASE): Likewise.
* conform/Makefile (test-xfail-XOPEN2K/termios.h/conform): Remove
variable.
(test-xfail-XOPEN2K8/termios.h/conform): Likewise.
This patch adds some new header definitions from Linux 4.4:
* MCL_ONFAULT is added to bits/mman.h / bits/mman-linux.h (this was
already done for hppa).
* PTRACE_SECCOMP_GET_FILTER is added to sys/ptrace.h. Along with it,
the older PTRACE_GETSIGMASK and PTRACE_SETSIGMASK, added in Linux
3.11 but missed at the time, are also added.
Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by the patch).
* bits/mman-linux.h [!MCL_CURRENT] (MCL_ONFAULT): New macro.
* sysdeps/unix/sysv/linux/alpha/bits/mman.h (MCL_ONFAULT):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/mman.h (MCL_ONFAULT):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/mman.h (MCL_ONFAULT):
Likewise.
* sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_GETSIGMASK): New
enum constant and macro.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
(PTRACE_GETSIGMASK): Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h (PTRACE_GETSIGMASK):
Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
(PTRACE_GETSIGMASK): Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h (PTRACE_GETSIGMASK):
Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h (PTRACE_GETSIGMASK):
Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_GETSIGMASK):
Likewise.
(PTRACE_SETSIGMASK): Likewise.
(PTRACE_SECCOMP_GET_FILTER): Likewise.
Since x86-64 and x32 use the same set of sched_XXX system call interface:
[hjl@gnu-6 linux-stable]$ grep sched_
arch/x86/entry/syscalls/syscall_64.tbl
24 common sched_yield sys_sched_yield
142 common sched_setparam sys_sched_setparam
143 common sched_getparam sys_sched_getparam
144 common sched_setscheduler sys_sched_setscheduler
145 common sched_getscheduler sys_sched_getscheduler
146 common sched_get_priority_max sys_sched_get_priority_max
147 common sched_get_priority_min sys_sched_get_priority_min
148 common sched_rr_get_interval sys_sched_rr_get_interval
203 common sched_setaffinity sys_sched_setaffinity
204 common sched_getaffinity sys_sched_getaffinity
314 common sched_setattr sys_sched_setattr
315 common sched_getattr sys_sched_getattr
[hjl@gnu-6 linux-stable]$
__cpu_mask should be unsigned long long, instead of unsigned long, for
x32. This patch adds __CPU_MASK_TYPE so that each architecture can
define the proper type for __cpu_mask.
[BZ #19313]
* bits/typesizes.h (__CPU_MASK_TYPE): New.
* sysdeps/mach/hurd/bits/typesizes.h (__CPU_MASK_TYPE): Likewise.
* sysdeps/nacl/bits/typesizes.h (__CPU_MASK_TYPE): Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h (__CPU_MASK_TYPE):
Likewise.
* sysdeps/unix/sysv/linux/generic/bits/typesizes.h (__CPU_MASK_TYPE):
Likewise.
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h (__CPU_MASK_TYPE):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h (__CPU_MASK_TYPE):
Likewise.
* sysdeps/unix/sysv/linux/x86/bits/typesizes.h (__CPU_MASK_TYPE):
* sysdeps/unix/sysv/linux/bits/sched.h (__cpu_mask): Replace
unsigned long int with __CPU_MASK_TYPE.
This patch relies on the C version of the rwlocks posted earlier.
With C rwlocks it is very straight forward to do adaptive elision
using TSX. It is based on the infrastructure added earlier
for mutexes, but uses its own elision macros. The macros
are fairly general purpose and could be used for other
elision purposes too.
This version is much cleaner than the earlier assembler based
version, and in particular implements adaptation which makes
it safer.
I changed the behavior slightly to not require any changes
in the test suite and fully conform to all expected
behaviors (generally at the cost of not eliding in
various situations). In particular this means the timedlock
variants are not elided. Nested trylock aborts.
Using the default header instead. This matches the kernel, which also
uses the generic header. Fixes the sys/wait.h conform issue, where
si_band had the wrong type.
Also fixed the following whitespace nits to satisfy the push:
sysdeps/alpha/alphaev6/memset.S:142: space before tab in indent.
sysdeps/alpha/configure:1: new blank line at EOF.
sysdeps/alpha/fpu/e_sqrt.c:126: space before tab in indent.
sysdeps/alpha/preconfigure:1: new blank line at EOF.
sysdeps/unix/sysv/linux/alpha/syscalls.list:1: new blank line at EOF.
and ENOTRECOVERABLE if not already defined.
* sysdeps/unix/sysv/linux/alpha/bits/errno.h: Likewise.
2005-12-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/Versions: Add new errlist-compat
entry for up to 138 errnos.
2005-11-25 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/fxstatat.c (__fxstatat): Fix typo.
(__fxstatat64): Alias from __fxstatat; remove other cnp errors.
* sysdeps/unix/sysv/linux/alpha/sigaction.c: Include sys/cdefs.h
and stddef.h.
* sysdeps/unix/sysv/linux/alpha/bits/mman.h (MREMAP_FIXED): Define.
instead of __off_t for last argument.
* debug/Makefile (tests): Add tst-lfschk{1,2,3}.
* debug/tst-lfschk1.c: New test.
* debug/tst-lfschk2.c: New test.
* debug/tst-lfschk3.c: New test.
2005-02-09 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/bits/termios.h (CMSPAR): Define.
* sysdeps/unix/sysv/linux/sparc/bits/termios.h: Add __USE_MISC
and __USE_XOPEN guards to match linux/bits/termios.h.
* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise.
(CMSPAR): Define.
* sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise.
* sysdeps/unix/sysv/linux/speed.c
(cfsetospeed): Only set c_ospeed under [_HAVE_STRUCT_TERMIOS_C_OSPEED].
(cfsetispeed): Only set c_ispeed under [_HAVE_STRUCT_TERMIOS_C_ISPEED].
* sysdeps/unix/sysv/linux/bits/termios.h
(_HAVE_STRUCT_TERMIOS_C_ISPEED, _HAVE_STRUCT_TERMIOS_C_OSPEED): Define.
* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise.
2003-07-25 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/a.out.h: Replace with i386 version.
Include bits/a.out.h.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add
bits/a.out.h.
* sysdeps/unix/sysv/linux/bits/a.out.h: New file.
* sysdeps/unix/sysv/linux/i386/bits/a.out.h: New file.
* sysdeps/unix/sysv/linux/m68k/bits/a.out.h: New file.
* sysdeps/unix/sysv/linux/x86_64/bits/a.out.h: New file.
* sysdeps/unix/sysv/linux/alpha/a.out.h: New file.
* sysdeps/unix/sysv/linux/alpha/bits/a.out.h: New file.
* sysdeps/unix/sysv/linux/sparc/a.out.h: New file.
* sysdeps/unix/sysv/linux/sparc/bits/a.out.h: New file.
2003-03-31 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/signum.h (_NSIG): Define to 65.
* sysdeps/unix/sysv/linux/hppa/bits/signum.h (_NSIG): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/signum.h (_NSIG): Likewise.
* sysdeps/unix/sysv/linux/bits/signum.h (_NSIG): Likewise.
(__SIGRTMAX): Adjust accordingly.
* sysdeps/gnu/siglist.c: If OLD2_SIGLIST_SIZE is defined define
second compatibility symbol set.
* sysdeps/unix/sysv/linux/siglist.h (OLD2_SIGLIST_SIZE): Define.
* intl/po2test.sed: Unify the transformations for msgid and msgstr
and remove a useless s/// command.
Check for the result overflowing off_t and fail with EOVERFLOW.
* libio/ioftell.c (_IO_ftell): Likewise.
* libio/iofgetpos.c (_IO_new_fgetpos): Likewise.
* login/logwtmp.c (logwtmp): If sizeof ut_tv != sizeof struct timeval,
use a temporary timeval on the stack for gettimeofday and copy it.
* login/logout.c (logout): Likewise.
Reported by Steven Munroe <sjmunroe@us.ibm.com>.
* sysdeps/unix/sysv/linux/bits/statfs.h (struct statfs):
Use __SWORD_TYPE instead of int for member types.
(struct statfs64): Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/statfs.h: New file.
* sysdeps/unix/sysv/linux/s390/bits/statfs.h: New file.
* sysdeps/unix/sysv/linux/ia64/bits/statfs.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/statfs.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/statfs.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/statvfs.h: Moved to ...
* sysdeps/unix/sysv/linux/bits/statvfs.h: ... here.
(ST_NODIRATIME): Restore fixed value of 2048.
* sysdeps/unix/sysv/linux/alpha/bits/statvfs.h: File removed.
* sysdeps/unix/sysv/linux/ia64/bits/statvfs.h: File removed.
Rearranged <bits/types.h> definitions to reduce duplication.
* sysdeps/generic/bits/types.h: Rewritten, using macros from
<bits/wordsize.h> and new header <bits/typesizes.h>.
* posix/Makefile (headers): Add bits/typesizes.h here.
* sysdeps/generic/bits/typesizes.h: New file.
* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h: New file.
* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h: New file.
* sysdeps/mach/hurd/bits/typesizes.h: New file.
* sysdeps/unix/sysv/linux/alpha/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/ia64/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/mips/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/s390/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/types.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/types.h: File removed.
* posix/sys/types.h [__USE_POSIX199506 || __USE_UNIX98]: Include
<bits/pthreadtypes.h> here, not in <bits/types.h>.
* signal/signal.h: Likewise.
* streams/stropts.h: Include <bits/xtitypes.h>.
* streams/Makefile (headers): Add bits/xtitypes.h here.
* sysdeps/generic/bits/xtitypes.h: New file.
* sysdeps/s390/bits/xtitypes.h: New file.
* sysdeps/ia64/bits/xtitypes.h: New file.
* sysdeps/x86_64/bits/xtitypes.h: New file.
* sysvipc/Makefile (headers): Add bits/ipctypes.h here.
* sysdeps/generic/bits/ipctypes.h: New file.
* sysdeps/mips/bits/ipctypes.h: New file.
* sysdeps/gnu/bits/shm.h: Include <bits/ipctypes.h>.
* sysdeps/gnu/bits/msq.h: Likewise.
* sysvipc/sys/ipc.h: Likewise.
2002-10-22 Roland McGrath <roland@redhat.com>
* sysdeps/generic/libc-tls.c (_dl_tls_static_used): New variable.
* sysdeps/generic/ldsodefs.h (struct rtld_global): New member
`_dl_tls_static_used'.
(TLS_STATIC_MIN): New macro.
* elf/dl-reloc.c [USE_TLS] (allocate_static_tls): New function.
(CHECK_STATIC_TLS): Use it.
(struct lastlog) [__WORDSIZE == 64 && __WORDSIZE_COMPAT32]:
Use int32_t for ll_time.
(struct utmp) [__WORDSIZE == 64 && __WORDSIZE_COMPAT32]:
Use int32_t instead of long int for ut_session.
Use an anonymous struct with 32-bit fields for ut_tv.
* sysdeps/gnu/bits/utmpx.h: Include <bits/wordsize.h>.
(struct utmpx) [__WORDSIZE == 64 && __WORDSIZE_COMPAT32]: Do the same
here as in utmp.h for `struct utmp'.
* sysdeps/unix/sysv/linux/powerpc/bits/utmp.h: File removed.
* sysdeps/unix/sysv/linux/powerpc/bits/utmpx.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/utmp.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/utmpx.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/utmp.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/utmpx.h: File removed.
* sysdeps/unix/sysv/linux/bits/resource.h: Replaced with the contents
of the sysdeps/unix/sysv/linux/i386/bits/resource.h file.
All the following files were identical or equivalent to it.
* sysdeps/unix/sysv/linux/i386/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/arm/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/cris/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/hppa/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/ia64/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/m68k/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/powerpc/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/s390/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/sh/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/resource.h: File removed.
* sysdeps/unix/sysv/linux/bits/socket.h (struct msghdr): Use size_t
instead of int for msg_iovlen, instead of socklen_t for msg_controllen.
Other than the previously incorrect sign of msg_iovlen, this is a
no-op on 32-bit platforms. On 64-bit platforms it makes this header
match their layouts as well, so the following are now identical to it.
* sysdeps/unix/sysv/linux/s390/bits/socket.h: File removed.
* sysdeps/unix/sysv/linux/sparc/bits/socket.h: File removed.
* sysdeps/unix/sysv/linux/x86_64/bits/socket.h: File removed.
* sysdeps/unix/sysv/linux/ia64/bits/socket.h: File removed.
* sysdeps/unix/sysv/linux/alpha/bits/socket.h: File removed.
* sysdeps/generic/ldsodefs.h (__rtld_global_attribute__): Define.
(_rtld_global): Use it.
* sysdeps/gnu/Dist: Remove errlist-compat.c.
* sysdeps/gnu/Makefile (errlist-compat.c): Build this file in the
object directory. Pass all Versions files to the awk script.
* sysdeps/gnu/errlist-compat.c: Removed.
* sysdeps/gnu/errlist.awk: Use #errlist-compat comments from the
first Versions file in the search path which has them.
Allow multiple errlist symbol versions to have the same count of
errors.
* sysdeps/gnu/errlist-compat.awk: Include <errlist-compat.c> instead
of "errlist-compat.c".
* sysdeps/gnu/errlist.c: Regenerated.
* sysdeps/unix/sysv/linux/mips/Versions (libc): Add #errlist-compat
comments at GLIBC_2.0, GLIBC_2.1 and GLIBC_2.3.
* sysdeps/unix/sysv/linux/alpha/Versions: Likewise.
(librt): Add aio_cancel and aio_cancel64 as GLIBC_2.3.
* sysdeps/unix/sysv/linux/hppa/Versions: Likewise.
* sysdeps/unix/sysv/linux/sparc/Versions: New file.
* sysdeps/unix/sysv/linux/alpha/bits/errno.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/errno.h (ECANCELED): Define to
ECANCELLED if not defined by kernel headers.
* sysdeps/unix/sysv/linux/bits/errno.h: Don't redefine ECANCELED if
already defined by kernel headers.
* sysdeps/unix/sysv/linux/sparc/bits/errno.h: New file.
* sysdeps/pthread/aio_cancel.c: Don't include aio.h and its
aio_cancel64 renaming hack nor provide weak_alias if aio_cancel
is a macro.
* Versions.def (GLIBC_2.3) [librt]: Add.
* sysdeps/unix/sysv/linux/alpha/pipe.S: New file.
2002-08-28 Ulrich Drepper <drepper@redhat.com>
* include/libc-symbols.h [!__ASSEMBLER__] (declare_symbol_1): Add
missing comma to .type directive.
2002-08-28 Jakub Jelinek <jakub@redhat.com>
2002-07-06 Bruno Haible <bruno@clisp.org>
* sysdeps/i386/fpu/libm-test-ulps: Add some ulps for AMD K7.
* rt/Makefile (tests): Don't add tst-aio* in a single-threaded build.
* sysdeps/unix/bsd/sun/sunos4/bits/utsname.h: Test for _SYS_UTSNAME_H,
not _UTSNAME_H.
* sysdeps/unix/bsd/ultrix4/bits/utsname.h: Likewise.
* sysdeps/generic/bits/stropts.h: Protect against direct inclusion.
* sysdeps/generic/bits/ustat.h: Likewise.
* sysdeps/unix/sysv/linux/bits/statvfs.h (ST_NODIRATIME): Set to
2048.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
Define for Arm, PowerPC and SH if kernel is 2.4.4 or newer.
* sysdeps/unix/sysv/linux/bits/socket.h (PF_WANPIPE): New, from
Linux 2.4.4.
(AF_WANPIPE): Likewise.
(MSG_MORE): New.
* sysdeps/unix/sysv/linux/alpha/bits/socket.h: Add same changes as
for Linux generic version.
* sysdeps/unix/sysv/linux/s390/s390-64/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/socket.h: Likewise.
* sysdeps/gnu/netinet/tcp.h (TCP_QUICKACK): New.
* Versions.def: Add libanl definition.
* shlig-versions: Add entry for libanl.
* resolv/Makefile (distribute): Add gai_misc.h and ga_test.c.
(routines): Add gai_sigqueue.
(extra-libs): Add libanl.
(libanl-routines): New variable.
Add rules to build libanl and ga_test.
* resolv/Versions [libc] (GLIBC_2.2.3): Add __gai_sigqueue.
[libanl]: New library.
* resolv/netdb.h: Add definitions for libanl.
* resolv/getaddrinfo_a.c: New file.
* resolv/gai_cancel.c: New file.
* resolv/gai_error.c: New file.
* resolv/gai_misc.c: New file.
* resolv/gai_misc.h: New file.
* resolv/gai_notify.c: New file.
* resolv/gai_suspend.c: New file.
* resolv/ga_test.c: New file.
* sysdeps/generic/gai_sigqueue.c: New file.
* sysdeps/unix/sysv/linux/gai_sigqueue.c: New file.
* sysdeps/generic/bits/siginfo.h: Allow __need_sigevent_t being defined
and provide only that definition.
* sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/siginfo.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h: Likewise.
* rt/aio_misc.c: Fix typos in comments.
* rt/lio_listio.c: Pretty printing. Little optimization in request
list handling.
* elf/rtld.c: Remove commented out code.
* sysdeps/unix/sysv/linux/bits/statvfs.h: Change type of f_fsid field
to unsigned long. Add __f_unused. Define _STATVFSBUF_F_UNUSED.
* sysdeps/unix/sysv/linux/internal_statvfs.c: Adjust initialization of
f_fsid field after change in struct statvfs.
* sysdeps/unix/sysv/linux/alpha/bits/statvfs.h: New file.
* sysdeps/unix/sysv/linux/ia64/bits/statvfs.h: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/statvfs.h: New file.
* conform/data/sys/stat.h-data: Remove isfdtype. Use
optional-macro.
* conform/data/sys/socket.h-data: Fix typos. Correct getsockopt,
recvfrom, send, and socketpair prototypes. Add allow lines.
* socket/sys/socket.h: Include <sys/uio.h>.
Don't use fancy __SOCKADDR_ARG definition unless __USE_GNU.
Fix type of second parameter of listen.
Don't declare isfdtype unless __USE_MISC.
* sysdeps/generic/listen.c: Fix type of second parameter of listen.
* sysdeps/mach/hurd/listen.c: Likewise.
* sysdeps/generic/bits/socket.h (struct sockaddr_storage): Define
ss_family and __ss_family.
* sysdeps/unix/sysv/aix/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
(struct msghdr): Change type of msg_iovlen to int and type of
msg_controllen to socklen_t.
* sysdeps/unix/sysv/linux/alpha/bits/socket.h: New file.
* sysdeps/unix/sysv/linux/ia64/bits/socket.h: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/socket.h: New file.
2000-10-02 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Synch with Linux
2.4.0-test9-pre8.
* sysdeps/unix/sysv/linux/alpha/bits/resource.h: Add RLIMIT_LOCKS.
* sysdeps/unix/sysv/linux/bits/time.h (CLOCKS_PER_SEC): Make a long int
constant since this is what clock_t is.
* sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise.
* sysdeps/unix/sysv/linux/i386/bits/time.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/time.h: Likewise.
* sysdeps/unix/sysv/linux/s390/bits/time.h: Likewise.
