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2003-09-22  Jakub Jelinek  <jakub@redhat.com>

	* include/atomic.h (atomic_compare_and_exchange_val_rel,
	atomic_compare_and_exchange_bool_rel): Swap oldval/newval arguments
	to avoid confusion.

	* sysdeps/unix/opendir.c: Include string.h.
This commit is contained in:
Ulrich Drepper 2003-09-22 22:13:36 +00:00
parent 39358e8b2b
commit 365b16029b
6 changed files with 33 additions and 9 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2003-09-22 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h (atomic_compare_and_exchange_val_rel,
atomic_compare_and_exchange_bool_rel): Swap oldval/newval arguments
to avoid confusion.
* sysdeps/unix/opendir.c: Include string.h.
2003-09-22 Ulrich Drepper <drepper@redhat.com>
* timezone/zdump.c: Update from tzcode2003c.

4
linuxthreads/ChangeLog
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@ -1,3 +1,7 @@
2003-09-22 Jakub Jelinek <jakub@redhat.com>
* attr.c: Include stdlib.h.
2003-09-18 Jakub Jelinek <jakub@redhat.com>
* sysdeps/pthread/pthread.h (pthread_getattr_np): Clarify usage.

1
linuxthreads/attr.c
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@ -18,6 +18,7 @@
#include <inttypes.h>
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>

2
nptl/Banner
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@ -1 +1 @@
NPTL 0.59 by Ulrich Drepper
NPTL 0.60 by Ulrich Drepper

5
nptl/ChangeLog
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@ -1,3 +1,8 @@
2003-09-22 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Adjust for latest
recommendation from AMD re avoidance of lock prefix.
2003-09-22 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/lowlevellock.c (__lll_timedlock_wait): Use

22
nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
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@ -184,10 +184,7 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
2 - taken by more users */
//#if defined NOT_IN_libc || defined UP
/* According to AMD it is not necessary to play tricks with avoiding the
lock instruction. */
#if 1
#if defined NOT_IN_libc || defined UP
# define lll_trylock(futex) lll_mutex_trylock (futex)
# define lll_lock(futex) lll_mutex_lock (futex)
# define lll_unlock(futex) lll_mutex_unlock (futex)
@ -195,14 +192,19 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
/* Special versions of the macros for use in libc itself. They avoid
the lock prefix when the thread library is not used.
The code sequence to avoid unnecessary lock prefixes is what the AMD
guys suggested. If you do not like it, bring it up with AMD.
XXX In future we might even want to avoid it on UP machines. */
# define lll_trylock(futex) \
({ unsigned char ret; \
__asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
"je 0f\n\t" \
"lock\n" \
"0:\tcmpxchgl %2, %1; setne %0" \
"lock; cmpxchgl %2, %1\n\t" \
"jmp 1f\n" \
"0:\tcmpxchgl %2, %1\n\t" \
"1:setne %0" \
: "=a" (ret), "=m" (futex) \
: "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\
"0" (LLL_MUTEX_LOCK_INITIALIZER) \
@ -214,7 +216,9 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
(void) ({ int ignore1, ignore2, ignore3; \
__asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
"je 0f\n\t" \
"lock\n" \
"lock; cmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
"jmp 2f\n" \
"0:\tcmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
".subsection 1\n" \
@ -235,7 +239,9 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
(void) ({ int ignore; \
__asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
"je 0f\n\t" \
"lock\n" \
"lock; decl %0\n\t" \
"jne 1f\n\t" \
"jmp 2f\n" \
"0:\tdecl %0\n\t" \
"jne 1f\n\t" \
".subsection 1\n" \