aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--nptl/ChangeLog20
-rw-r--r--nptl/Makefile1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S18
9 files changed, 73 insertions, 8 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 05c16ceef0..d60e368f9c 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,23 @@
+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.
+
2010-07-01 Ulrich Drepper <drepper@redhat.com>
* Makefile (tst-_res1): Add tst-_res1mod1 to dependency list.
diff --git a/nptl/Makefile b/nptl/Makefile
index 3dcc876b2b..51b6ae51d7 100644
--- a/nptl/Makefile
+++ b/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)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
index 7578c7ece0..2198ccf55a 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2004, 2006, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2004,2006,2007,2009,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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. */
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
index 8de9cf461a..3195db259f 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2006, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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. */
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
index 02db0a4f9d..5218a4f57a 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
@@ -1,5 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009
- Free Software Foundation, Inc.
+/* Copyright (C) 2002=2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -125,6 +124,9 @@ __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 +182,9 @@ __lll_robust_timedlock_wait:
cfi_adjust_cfa_offset(-8)
cfi_restore(%r9)
+7: movl $ETIMEDOUT, %eax
+ retq
+
# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
.Lreltmo:
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index be14fc897e..e6535fb9a7 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2005, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2005, 2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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. */
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
index 23b218af34..f5d055c77e 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2005, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2005, 2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
index cd867b60dc..6ed8b49bd6 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2005, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
index 0291beb169..ca49cb89d0 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2005, 2007, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002,2003,2005,2007,2009,2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 21:54:50 +0000