--- /dev/null
+2010-07-03 Ulrich Drepper <drepper@redhat.com>
+
+ * tst-abstime.c (do_test): Some more cleanups
+
+2010-07-02 Ulrich Drepper <drepper@redhat.com>
+
+ * tst-abstime.c: Correct testing and add test for sem_timedwait.
+
+2010-07-01 Andreas Schwab <schwab@redhat.com>
+ Ulrich Drepper <drepper@redhat.com>
+
+ * Makefile (tests): Add tst-abstime.
+ * tst-abstime.c: New file.
+ * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+ (__lll_timedlock_wait): Check for timestamp before the Epoch.
+ * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+ (__lll_timedlock_wait): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+ (__lll_robust_timedlock_wait): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+ (__pthread_cond_timedwait): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+ (pthread_rwlock_timedrdlock): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+ (pthread_rwlock_timedwrlock): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait):
+ Likewise.
+
+Index: glibc-2.12-2-gc4ccff1/nptl/Makefile
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/Makefile
++++ glibc-2.12-2-gc4ccff1/nptl/Makefile
+@@ -256,6 +256,7 @@ tests = tst-typesizes \
+ tst-sched1 \
+ tst-backtrace1 \
+ tst-oddstacklimit \
++ tst-abstime \
+ tst-vfork1 tst-vfork2 tst-vfork1x tst-vfork2x \
+ tst-getpid1 tst-getpid2 tst-getpid3 \
+ tst-initializers1 $(patsubst %,tst-initializers1-%,c89 gnu89 c99 gnu99)
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+@@ -188,6 +188,9 @@ __lll_timedlock_wait:
+ je .Lreltmo
+ # endif
+
++ cmpl $0, (%edx)
++ js 8f
++
+ movl %ecx, %ebx
+ movl %esi, %ecx
+ movl %edx, %esi
+@@ -223,6 +226,9 @@ __lll_timedlock_wait:
+ cfi_restore(%ebp)
+ ret
+
++8: movl $ETIMEDOUT, %eax
++ jmp 7b
++
+ # ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+ .Lreltmo:
+ /* Check for a valid timeout value. */
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+@@ -169,9 +169,13 @@ __lll_timedlock_wait:
+ je .Lreltmo
+ # endif
+
++ cmpq $0, (%rdx)
++ js 5f
++
+ pushq %r9
+ cfi_adjust_cfa_offset(8)
+ cfi_rel_offset(%r9, 0)
++
+ movq %rdx, %r10
+ movl $0xffffffff, %r9d
+ LOAD_FUTEX_WAIT_ABS (%esi)
+@@ -202,6 +206,9 @@ __lll_timedlock_wait:
+ cfi_restore(%r9)
+ retq
+
++5: movl $ETIMEDOUT, %eax
++ retq
++
+ # ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+ .Lreltmo:
+ /* Check for a valid timeout value. */
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+@@ -125,6 +125,9 @@ __lll_robust_timedlock_wait:
+ je .Lreltmo
+ # endif
+
++ cmpq $0, (%rdx)
++ js 7f
++
+ pushq %r9
+ cfi_adjust_cfa_offset(8)
+ cfi_rel_offset(%r9, 0)
+@@ -180,6 +183,9 @@ __lll_robust_timedlock_wait:
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r9)
+
++7: movl $ETIMEDOUT, %eax
++ retq
++
+
+ # ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+ .Lreltmo:
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+@@ -144,6 +144,10 @@ __pthread_cond_timedwait:
+ movq %r9, 24(%rsp)
+ movl %edx, 4(%rsp)
+
++ cmpq $0, (%r13)
++ movq $-ETIMEDOUT, %r14
++ js 36f
++
+ 38: movl cond_futex(%rdi), %r12d
+
+ /* Unlock. */
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+@@ -102,6 +102,9 @@ pthread_rwlock_timedrdlock:
+ je .Lreltmo
+ #endif
+
++ cmpq $0, (%r13)
++ js 16f /* Time is already up. */
++
+ movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, %esi
+ xorl PSHARED(%r12), %esi
+ movq %r13, %r10
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+@@ -99,6 +99,9 @@ pthread_rwlock_timedwrlock:
+ je .Lreltmo
+ #endif
+
++ cmpq $0, (%r13)
++ js 16f /* Time is already up. */
++
+ movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, %esi
+ xorl PSHARED(%r12), %esi
+ movq %r13, %r10
+Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+===================================================================
+--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
++++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+@@ -77,6 +77,9 @@ sem_timedwait:
+ je .Lreltmo
+ #endif
+
++ cmpq $0, (%rsi)
++ js 16f
++
+ /* This push is only needed to store the sem_t pointer for the
+ exception handler. */
+ pushq %rdi
+@@ -169,6 +172,19 @@ sem_timedwait:
+
+ retq
+
++16:
++#if USE___THREAD
++ movq errno@gottpoff(%rip), %rdx
++ movl $ETIMEDOUT, %fs:(%rdx)
++#else
++ callq __errno_location@plt
++ movl $ETIMEDOUT, (%rax)
++#endif
++
++ orl $-1, %eax
++
++ retq
++
+ #ifndef __ASSUME_FUTEX_CLOCK_REALTIME
+ .Lreltmo:
+ pushq %r12
+Index: glibc-2.12-2-gc4ccff1/nptl/tst-abstime.c
+===================================================================
+--- /dev/null
++++ glibc-2.12-2-gc4ccff1/nptl/tst-abstime.c
+@@ -0,0 +1,98 @@
++/* Copyright (C) 2010 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
++
++ The GNU C Library is free software; you can redistribute it and/or
++ modify it under the terms of the GNU Lesser General Public
++ License as published by the Free Software Foundation; either
++ version 2.1 of the License, or (at your option) any later version.
++
++ The GNU C Library is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ Lesser General Public License for more details.
++
++ You should have received a copy of the GNU Lesser General Public
++ License along with the GNU C Library; if not, write to the Free
++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <errno.h>
++#include <pthread.h>
++#include <semaphore.h>
++#include <stdio.h>
++
++static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
++static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
++static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
++static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
++static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
++static sem_t sem;
++
++static void *
++th (void *arg)
++{
++ long int res = 0;
++ int r;
++ struct timespec t = { -2, 0 };
++
++ r = pthread_mutex_timedlock (&m1, &t);
++ if (r != ETIMEDOUT)
++ {
++ puts ("pthread_mutex_timedlock did not return ETIMEDOUT");
++ res = 1;
++ }
++ r = pthread_rwlock_timedrdlock (&rw1, &t);
++ if (r != ETIMEDOUT)
++ {
++ puts ("pthread_rwlock_timedrdlock did not return ETIMEDOUT");
++ res = 1;
++ }
++ r = pthread_rwlock_timedwrlock (&rw2, &t);
++ if (r != ETIMEDOUT)
++ {
++ puts ("pthread_rwlock_timedwrlock did not return ETIMEDOUT");
++ res = 1;
++ }
++ return (void *) res;
++}
++
++static int
++do_test (void)
++{
++ int res = 0;
++ int r;
++ struct timespec t = { -2, 0 };
++ pthread_t pth;
++
++ sem_init (&sem, 0, 0);
++ r = sem_timedwait (&sem, &t);
++ if (r != -1 || errno != ETIMEDOUT)
++ {
++ puts ("sem_timedwait did not fail with ETIMEDOUT");
++ res = 1;
++ }
++
++ pthread_mutex_lock (&m1);
++ pthread_rwlock_wrlock (&rw1);
++ pthread_rwlock_rdlock (&rw2);
++ pthread_mutex_lock (&m2);
++ if (pthread_create (&pth, 0, th, 0) != 0)
++ {
++ puts ("cannot create thread");
++ return 1;
++ }
++ r = pthread_cond_timedwait (&c, &m2, &t);
++ if (r != ETIMEDOUT)
++ {
++ puts ("pthread_cond_timedwait did not return ETIMEDOUT");
++ res = 1;
++ }
++ void *thres;
++ pthread_join (pth, &thres);
++ return res | (thres != NULL);
++}
++
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"