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Update.
2004-02-18 Carlos O'Donell <carlos@baldric.uwo.ca> * test-skeleton.c (main): If set, use environment variable TIMEOUTFACTOR to scale test TIMEOUT.
This commit is contained in:
Ulrich Drepper
parent
4a08113c4e
commit
dc39124662
@ -1,3 +1,8 @@
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2004-02-18 Carlos O'Donell <carlos@baldric.uwo.ca>
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* test-skeleton.c (main): If set, use environment variable
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TIMEOUTFACTOR to scale test TIMEOUT.
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2004-02-18 Ulrich Drepper <drepper@redhat.com>
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* nscd/nscd_conf.c: Include <stdio_ext.h>.
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@ -1,3 +1,15 @@
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2004-02-18 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
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(__pthread_cond_timedwait): Perform timeout test while holding
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internal lock to prevent wakeup race.
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Patch by Dinakar Guniguntala <dgunigun@in.ibm.com>.
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* sysdeps/pthread/pthread_cond_timedwait.c
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(__pthread_cond_timedwait): Likewise.
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* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
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(__pthread_cond_timedwait): Likewise.
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2004-02-18 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
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@ -98,9 +98,6 @@ __pthread_cond_timedwait (cond, mutex, abstime)
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while (1)
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{
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/* Prepare to wait. Release the condvar futex. */
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lll_mutex_unlock (cond->__data.__lock);
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struct timespec rt;
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{
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#ifdef __NR_clock_gettime
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@ -142,12 +139,10 @@ __pthread_cond_timedwait (cond, mutex, abstime)
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}
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/* Did we already time out? */
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if (__builtin_expect (rt.tv_sec < 0, 0))
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{
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/* We are going to look at shared data again, so get the lock. */
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lll_mutex_lock(cond->__data.__lock);
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goto timeout;
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goto timeout;
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}
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/* Prepare to wait. Release the condvar futex. */
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lll_mutex_unlock (cond->__data.__lock);
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/* Enable asynchronous cancellation. Required by the standard. */
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cbuffer.oldtype = __pthread_enable_asynccancel ();
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@ -92,21 +92,8 @@ __pthread_cond_timedwait:
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movl %edi, 12(%esp)
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movl %edx, 16(%esp)
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/* Unlock. */
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8: LOCK
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#if cond_lock == 0
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subl $1, (%ebx)
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#else
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subl $1, cond_lock(%ebx)
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#endif
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jne 3f
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.LcleanupSTART:
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4: call __pthread_enable_asynccancel
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movl %eax, (%esp)
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/* Get the current time. */
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movl %ebx, %edx
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8: movl %ebx, %edx
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.LebxmovedUR:
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#ifdef __NR_clock_gettime
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/* Get the clock number. Note that the field in the condvar
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@ -156,6 +143,20 @@ __pthread_cond_timedwait:
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/* Store relative timeout. */
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21: movl %ecx, 4(%esp)
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movl %edx, 8(%esp)
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/* Unlock. */
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LOCK
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#if cond_lock == 0
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subl $1, (%ebx)
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#else
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subl $1, cond_lock(%ebx)
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#endif
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jne 3f
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.LcleanupSTART:
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4: call __pthread_enable_asynccancel
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movl %eax, (%esp)
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leal 4(%esp), %esi
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xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
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movl %edi, %edx
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@ -202,20 +203,8 @@ __pthread_cond_timedwait:
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15: cmpl $-ETIMEDOUT, %esi
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jne 8b
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jmp 24f
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/* Lock. */
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13: movl $1, %edx
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xorl %eax, %eax
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LOCK
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#if cond_lock == 0
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cmpxchgl %edx, (%ebx)
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#else
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cmpxchgl %edx, cond_lock(%ebx)
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#endif
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jnz 23f
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24: addl $1, wakeup_seq(%ebx)
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13: addl $1, wakeup_seq(%ebx)
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adcl $0, wakeup_seq+4(%ebx)
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movl $ETIMEDOUT, %esi
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jmp 14f
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@ -347,16 +336,6 @@ __pthread_cond_timedwait:
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js 13b
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jmp 21b
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#endif
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/* Locking after time elapsed failed. */
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23:
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#if cond_lock == 0
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movl %ebx, %ecx
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#else
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leal cond_lock(%ebx), %ecx
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#endif
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call __lll_mutex_lock_wait
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jmp 24b
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.size __pthread_cond_timedwait, .-__pthread_cond_timedwait
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versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
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GLIBC_2_3_2)
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@ -118,19 +118,8 @@ __pthread_cond_timedwait:
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movq wakeup_seq(%rdi), %r12
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movq %r12, 40(%rsp)
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/* Unlock. */
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8: LOCK
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#if cond_lock == 0
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decl (%rdi)
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#else
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decl cond_lock(%rdi)
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#endif
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jne 3f
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4: callq __pthread_enable_asynccancel
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movl %eax, (%rsp)
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/* Get the current time. */
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8:
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#ifdef __NR_clock_gettime
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/* Get the clock number. Note that the field in the condvar
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structure stores the number minus 1. */
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@ -177,6 +166,18 @@ __pthread_cond_timedwait:
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21: movq %rcx, 24(%rsp)
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movq %rdx, 32(%rsp)
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/* Unlock. */
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LOCK
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#if cond_lock == 0
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decl (%rdi)
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#else
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decl cond_lock(%rdi)
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#endif
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jne 3f
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4: callq __pthread_enable_asynccancel
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movl %eax, (%rsp)
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leaq 24(%rsp), %r10
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xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
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movq %r12, %rdx
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@ -212,21 +213,8 @@ __pthread_cond_timedwait:
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15: cmpq $-ETIMEDOUT, %r14
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jne 8b
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jmp 24f
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/* Lock. */
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13: movq 8(%rsp), %rdi
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movl $1, %esi
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xorl %eax, %eax
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LOCK
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#if cond_lock == 0
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cmpxchgl %esi, (%rdi)
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#else
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cmpxchgl %esi, cond_lock(%rdi)
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#endif
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jne 23f
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24: incq wakeup_seq(%rdi)
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13: incq wakeup_seq(%rdi)
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movq $ETIMEDOUT, %r14
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jmp 14f
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@ -340,17 +328,6 @@ __pthread_cond_timedwait:
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js 13b
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jmp 21b
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#endif
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/* Locking after time elapsed failed. */
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23:
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#if cond_lock != 0
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addq $cond_lock, %rdi
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#endif
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callq __lll_mutex_lock_wait
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#if cond_lock != 0
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subq $cond_lock, %rdi
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#endif
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jmp 24b
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.LENDCODE:
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.size __pthread_cond_timedwait, .-__pthread_cond_timedwait
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versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
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@ -1,5 +1,5 @@
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/* Skeleton for test programs.
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Copyright (C) 1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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Copyright (C) 1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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@ -193,6 +193,7 @@ main (int argc, char *argv[])
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int direct = 0; /* Directly call the test function? */
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int status;
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int opt;
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unsigned int timeoutfactor = 1;
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pid_t termpid;
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#ifdef STDOUT_UNBUFFERED
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@ -215,6 +216,19 @@ main (int argc, char *argv[])
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#endif
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}
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/* If set, read the test TIMEOUTFACTOR value from the environment.
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This value is used to scale the default test timeout values. */
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char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR");
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if (envstr_timeoutfactor != NULL)
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{
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char *envstr_conv = envstr_timeoutfactor;
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unsigned long int env_fact;
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env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0);
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if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor)
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timeoutfactor = MAX (env_fact, 1);
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}
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/* Set TMPDIR to specified test directory. */
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if (test_dir != NULL)
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{
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@ -306,7 +320,7 @@ main (int argc, char *argv[])
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# define TIMEOUT 2
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#endif
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signal (SIGALRM, timeout_handler);
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alarm (TIMEOUT);
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alarm (TIMEOUT * timeoutfactor);
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/* Wait for the regular termination. */
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termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
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