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use light-weight sync on ppc64

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This commit is contained in:
Igor Sysoev
2006-12-19 15:23:20 +00:00
parent 34be8873ca
commit 73dcdbf1a3
1 changed files with 10 additions and 2 deletions
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12
src/os/unix/ngx_gcc_atomic_ppc.h
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@@ -67,6 +67,13 @@ ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
return res;
}
#if (NGX_SMP)
#define ngx_memory_barrier() __asm__ volatile ("lwsync\n" ::: "memory")
#else
#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory")
#endif
#else
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;
}
#endif
#if (NGX_SMP)
#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")
#endif
#endif
#define ngx_cpu_pause()