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2004-02-18  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
	(__pthread_rwlock_unlock): Access WRITER as 32-bit value.
	* Makefile (tests): Add tst-rwlock13.
	* tst-rwlock13.c: New test.
This commit is contained in:
Ulrich Drepper 2004-02-18 20:02:17 +00:00
parent ec1c80750d
commit 4a08113c4e
4 changed files with 81 additions and 3 deletions
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7
nptl/ChangeLog
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@ -1,3 +1,10 @@
2004-02-18 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
(__pthread_rwlock_unlock): Access WRITER as 32-bit value.
* Makefile (tests): Add tst-rwlock13.
* tst-rwlock13.c: New test.
2004-02-16 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S

2
nptl/Makefile
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@ -196,7 +196,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \
tst-cond8 tst-cond9 tst-cond10 tst-cond11 tst-cond12 tst-cond13 \
tst-rwlock1 tst-rwlock2 tst-rwlock3 tst-rwlock4 tst-rwlock5 \
tst-rwlock6 tst-rwlock7 tst-rwlock8 tst-rwlock9 tst-rwlock10 \
tst-rwlock11 tst-rwlock12 \
tst-rwlock11 tst-rwlock12 tst-rwlock13 \
tst-once1 tst-once2 tst-once3 tst-once4 \
tst-key1 tst-key2 tst-key3 tst-key4 \
tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 tst-sem6 tst-sem7 \

4
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
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@ -49,12 +49,12 @@ __pthread_rwlock_unlock:
#endif
jnz 1f
2: cmpq $0, WRITER(%rdi)
2: cmpl $0, WRITER(%rdi)
jne 5f
decl NR_READERS(%rdi)
jnz 6f
5: movq $0, WRITER(%rdi)
5: movl $0, WRITER(%rdi)
movq $1, %rsi
leaq WRITERS_WAKEUP(%rdi), %r10

71
nptl/tst-rwlock13.c Normal file
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@ -0,0 +1,71 @@
/* Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 <pthread.h>
#include <stdio.h>
#include <string.h>
static int
do_test (void)
{
pthread_rwlock_t r;
int ret;
memset (&r, 0xaa, sizeof (r));
if ((ret = pthread_rwlock_init (&r, NULL)) != 0)
{
printf ("rwlock_init failed: %d\n", ret);
return 1;
}
if ((ret = pthread_rwlock_rdlock (&r)) != 0)
{
printf ("rwlock_rdlock failed: %d\n", ret);
return 1;
}
if ((ret = pthread_rwlock_unlock (&r)) != 0)
{
printf ("rwlock_unlock failed: %d\n", ret);
return 1;
}
if ((ret = pthread_rwlock_wrlock (&r)) != 0)
{
printf ("rwlock_wrlock failed: %d\n", ret);
return 1;
}
if ((ret = pthread_rwlock_unlock (&r)) != 0)
{
printf ("second rwlock_unlock failed: %d\n", ret);
return 1;
}
if ((ret = pthread_rwlock_destroy (&r)) != 0)
{
printf ("second rwlock_destroy failed: %d\n", ret);
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"