diff options
Diffstat (limited to 'storage/innobase/include/os0sync.h')
| -rw-r--r-- | storage/innobase/include/os0sync.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/storage/innobase/include/os0sync.h b/storage/innobase/include/os0sync.h index 32fd27960f3..3bd85ac460e 100644 --- a/storage/innobase/include/os0sync.h +++ b/storage/innobase/include/os0sync.h @@ -310,6 +310,9 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */ # define os_atomic_test_and_set_byte(ptr, new_val) \ __sync_lock_test_and_set(ptr, (byte) new_val) +# define os_atomic_lock_release_byte(ptr) \ + __sync_lock_release(ptr) + #elif defined(HAVE_IB_SOLARIS_ATOMICS) #define HAVE_ATOMIC_BUILTINS @@ -363,6 +366,9 @@ Returns the old value of *ptr, atomically sets *ptr to new_val */ # define os_atomic_test_and_set_byte(ptr, new_val) \ atomic_swap_uchar(ptr, new_val) +# define os_atomic_lock_release_byte(ptr) \ + (void) atomic_swap_uchar(ptr, 0) + #elif defined(HAVE_WINDOWS_ATOMICS) #define HAVE_ATOMIC_BUILTINS @@ -456,6 +462,9 @@ clobbered */ # define IB_MEMORY_BARRIER_STARTUP_MSG \ "_mm_lfence() and _mm_sfence() are used for memory barrier" +# define os_atomic_lock_release_byte(ptr) \ + (void) InterlockedExchange(ptr, 0) + #else # define os_rmb do { } while(0) # define os_wmb do { } while(0) |