* [PATCH] s390* pthread_spin_unlock.
@ 2003-04-11 15:46 Martin Schwidefsky
2003-04-11 22:06 ` Roland McGrath
0 siblings, 1 reply; 2+ messages in thread
From: Martin Schwidefsky @ 2003-04-11 15:46 UTC (permalink / raw)
To: libc-hacker
Hi,
this is one of those "how could this ever work" bugs. The pthread_spin_lock
primitive in linuxthread for s390* is broken. The following patch fixes it.
blue skies,
Martin.
2003-04-11 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/pspinlock.c (__pthread_spin_unlock): Fix asm contraints.
diff -urN libc/linuxthreads/sysdeps/s390/pspinlock.c libc-s390/linuxthreads/sysdeps/s390/pspinlock.c
--- libc/linuxthreads/sysdeps/s390/pspinlock.c Fri Apr 11 17:34:17 2003
+++ libc-s390/linuxthreads/sysdeps/s390/pspinlock.c Fri Apr 11 17:33:22 2003
@@ -64,7 +64,7 @@
{
asm volatile(" xc 0(4,%0),0(%0)\n"
" bcr 15,0"
- : "=a" (lock) );
+ : : "a" (lock) : "memory" );
return 0;
}
weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] s390* pthread_spin_unlock.
2003-04-11 15:46 [PATCH] s390* pthread_spin_unlock Martin Schwidefsky
@ 2003-04-11 22:06 ` Roland McGrath
0 siblings, 0 replies; 2+ messages in thread
From: Roland McGrath @ 2003-04-11 22:06 UTC (permalink / raw)
To: Martin Schwidefsky; +Cc: libc-hacker
> Hi,
> this is one of those "how could this ever work" bugs. The pthread_spin_lock
> primitive in linuxthread for s390* is broken. The following patch fixes it.
I put your fix in.
Thanks,
Roland
^ permalink raw reply [flat|nested] 2+ messages in thread
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2003-04-11 15:46 [PATCH] s390* pthread_spin_unlock Martin Schwidefsky
2003-04-11 22:06 ` Roland McGrath
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