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| author | Ulrich Drepper <drepper@redhat.com> | 2003-07-01 08:31:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-07-01 08:31:38 +0000 |
| commit | b5d5b67be3e624efa7f44df4375dfdfffa1f97cb (patch) | |
| tree | c3ba187098d3aa88a83200ab4a5c4c384abc9124 /malloc/thread-m.h | |
| parent | 96c814d3d866eff5a86599cbe567ca167189c7ea (diff) | |
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Update.
2003-05-04 H.J. Lu <hongjiu.lu@intel.com>
* malloc/arena.c (arena_get2): Add atomic_write_barrier.
* malloc/thread-m.h: Include <atomic.h>.
(atomic_full_barrier): Provide default.
(atomic_read_barrier): Likewise.
(atomic_write_barrier): Likewise.
* sysdeps/ia64/bits/atomic.h (atomic_full_barrier): New #define.
Diffstat (limited to 'malloc/thread-m.h')
| -rw-r--r-- | malloc/thread-m.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/malloc/thread-m.h b/malloc/thread-m.h index da8bbf36f8..1dcaed0514 100644 --- a/malloc/thread-m.h +++ b/malloc/thread-m.h @@ -31,6 +31,7 @@ #if defined(_LIBC) /* The GNU C library, a special case of Posix threads */ +#include <atomic.h> #include <bits/libc-lock.h> #ifdef PTHREAD_MUTEX_INITIALIZER @@ -306,4 +307,16 @@ typedef void *tsd_key_t; #endif /* defined(NO_THREADS) */ +#ifndef atomic_full_barrier +# define atomic_full_barrier() __asm ("" ::: "memory") +#endif + +#ifndef atomic_read_barrier +# define atomic_read_barrier() atomic_full_barrier () +#endif + +#ifndef atomic_write_barrier +# define atomic_write_barrier() atomic_full_barrier () +#endif + #endif /* !defined(_THREAD_M_H) */ |