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| author | Ulrich Drepper <drepper@redhat.com> | 2002-01-17 00:50:24 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-01-17 00:50:24 +0000 |
| commit | 956f8acd6cf6ce33193a679c7f34c1f71db5c94a (patch) | |
| tree | 92c6ea70d3d49bf726653954d8f7d511d3c57b3f /linuxthreads/sysdeps/s390/s390-64 | |
| parent | ec562b3d7a7a60f9ae2f6fd9747c4972c02a15a5 (diff) | |
| download | glibc-956f8acd6cf6ce33193a679c7f34c1f71db5c94a.tar.gz glibc-956f8acd6cf6ce33193a679c7f34c1f71db5c94a.tar.xz glibc-956f8acd6cf6ce33193a679c7f34c1f71db5c94a.zip | |
Update.
2002-01-16 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/pt-machine.h (MEMORY_BARRIER): Define.
(CURRENT_STACK_FRAME): Remove duplicate definition.
* sysdeps/s390/s390-64/pt-machine.h: Likewise.
Diffstat (limited to 'linuxthreads/sysdeps/s390/s390-64')
| -rw-r--r-- | linuxthreads/sysdeps/s390/s390-64/pt-machine.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/linuxthreads/sysdeps/s390/s390-64/pt-machine.h b/linuxthreads/sysdeps/s390/s390-64/pt-machine.h index f205c1245c..8b123352d9 100644 --- a/linuxthreads/sysdeps/s390/s390-64/pt-machine.h +++ b/linuxthreads/sysdeps/s390/s390-64/pt-machine.h @@ -23,6 +23,11 @@ # define PT_EI extern inline #endif +/* For multiprocessor systems, we want to ensure all memory accesses + are completed before we reset a lock. On other systems, we still + need to make sure that the compiler has flushed everything to memory. */ +#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory") + /* Spinlock implementation; required. */ PT_EI long int testandset (int *spinlock) @@ -99,9 +104,3 @@ __compare_and_swap(long int *p, long int oldval, long int newval) return retval == 0; } - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME stack_pointer -register char * stack_pointer __asm__ ("%r15"); |