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Enable common version of pthread_cond_timedwait to use clock_gettime in VDSO

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This commit is contained in:
Luis Machado 2010-03-24 14:46:03 -07:00 committed by Ulrich Drepper
parent 7d9335ecd7
commit 7749bf5fe6
2 changed files with 17 additions and 2 deletions
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7
nptl/ChangeLog
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@ -1,3 +1,10 @@
2010-03-23 Luis Machado <luisgpm@br.ibm.com>
* pthread_cond_timedwait.c: Add check for
HAVE_CLOCK_GETTIME_VSYSCALL to use VDSO whenever possible.
(pthread_cond_timedwait): Use INTERNAL_VSYSCALL instead of
INTERNAL_SYSCALL.
2010-03-09 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (__pthread_create_2_1): If priorities are incorrect

12
nptl/pthread_cond_timedwait.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2004, 2007, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
@ -27,6 +27,14 @@
#include <shlib-compat.h>
#ifndef HAVE_CLOCK_GETTIME_VSYSCALL
# undef INTERNAL_VSYSCALL
# define INTERNAL_VSYSCALL INTERNAL_SYSCALL
# undef INLINE_VSYSCALL
# define INLINE_VSYSCALL INLINE_SYSCALL
#else
# include <bits/libc-vdso.h>
#endif
/* Cleanup handler, defined in pthread_cond_wait.c. */
extern void __condvar_cleanup (void *arg)
@ -102,7 +110,7 @@ __pthread_cond_timedwait (cond, mutex, abstime)
#ifdef __NR_clock_gettime
INTERNAL_SYSCALL_DECL (err);
int ret;
ret = INTERNAL_SYSCALL (clock_gettime, err, 2,
ret = INTERNAL_VSYSCALL (clock_gettime, err, 2,
(cond->__data.__nwaiters
& ((1 << COND_NWAITERS_SHIFT) - 1)),
&rt);