diff options
Diffstat (limited to 'src/os/unix/ngx_atomic.h')
| -rw-r--r-- | src/os/unix/ngx_atomic.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/os/unix/ngx_atomic.h b/src/os/unix/ngx_atomic.h index 50d6354d5..c505027fd 100644 --- a/src/os/unix/ngx_atomic.h +++ b/src/os/unix/ngx_atomic.h @@ -34,6 +34,7 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); /* the code in src/os/unix/ngx_sunpro_x86.il */ #define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile") +#define ngx_cpu_pause() __asm ("pause") #else /* ( __GNUC__ || __INTEL_COMPILER ) */ @@ -67,6 +68,7 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); /* the code in src/os/unix/ngx_sunpro_amd64.il */ #define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile") +#define ngx_cpu_pause() __asm ("pause") #else /* ( __GNUC__ || __INTEL_COMPILER ) */ @@ -175,10 +177,11 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) } #define ngx_memory_barrier() +#define ngx_cpu_pause() #endif -void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin); +void ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin); #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1)) #define ngx_unlock(lock) *(lock) = 0 |