use light-weight sync on ppc64

This commit is contained in:
Igor Sysoev 2006-12-19 15:23:20 +00:00
parent 34be8873ca
commit 73dcdbf1a3

View File

@ -67,6 +67,13 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
return res; return res;
} }
#if (NGX_SMP)
#define ngx_memory_barrier() __asm__ volatile ("lwsync\n" ::: "memory")
#else
#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory")
#endif
#else #else
static ngx_inline ngx_atomic_uint_t static ngx_inline ngx_atomic_uint_t
@ -117,8 +124,6 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
return res; return res;
} }
#endif
#if (NGX_SMP) #if (NGX_SMP)
#define ngx_memory_barrier() __asm__ volatile ("sync\n" ::: "memory") #define ngx_memory_barrier() __asm__ volatile ("sync\n" ::: "memory")
@ -126,4 +131,7 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") #define ngx_memory_barrier() __asm__ volatile ("" ::: "memory")
#endif #endif
#endif
#define ngx_cpu_pause() #define ngx_cpu_pause()