diff options
Diffstat (limited to 'atomic/unix/builtins.c')
| -rw-r--r-- | atomic/unix/builtins.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/atomic/unix/builtins.c b/atomic/unix/builtins.c index 274599614..745acf155 100644 --- a/atomic/unix/builtins.c +++ b/atomic/unix/builtins.c @@ -71,4 +71,11 @@ APR_DECLARE(void*) apr_atomic_casptr(volatile void **mem, void *with, const void return (void*) __sync_val_compare_and_swap(mem, cmp, with); } +APR_DECLARE(void*) apr_atomic_xchgptr(volatile void **mem, void *with) +{ + __sync_synchronize(); + + return (void*) __sync_lock_test_and_set(mem, with); +} + #endif /* USE_ATOMICS_BUILTINS */ |