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comparison src/core/ngx_shmtx.h @ 1008:51d0884364fe

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optimize inlined code for gcc
author Igor Sysoev <igor@sysoev.ru>
date Thu, 11 Jan 2007 16:07:03 +0000
parents 201d017ea470
children 2c7fed12fab7
comparison
equal deleted inserted replaced
1007:f1ebccfd95f9 1008:51d0884364fe
28 #if (NGX_HAVE_ATOMIC_OPS) 28 #if (NGX_HAVE_ATOMIC_OPS)
29 29
30 static ngx_inline ngx_uint_t 30 static ngx_inline ngx_uint_t
31 ngx_shmtx_trylock(ngx_shmtx_t *mtx) 31 ngx_shmtx_trylock(ngx_shmtx_t *mtx)
32 { 32 {
33 if (*mtx->lock == 0 && ngx_atomic_cmp_set(mtx->lock, 0, ngx_pid)) { 33 return (*mtx->lock == 0 && ngx_atomic_cmp_set(mtx->lock, 0, ngx_pid));
34 return 1;
35 }
36
37 return 0;
38 } 34 }
39 35
40 #define ngx_shmtx_lock(mtx) ngx_spinlock((mtx)->lock, ngx_pid, 1024) 36 #define ngx_shmtx_lock(mtx) ngx_spinlock((mtx)->lock, ngx_pid, 1024)
41 37
42 #define ngx_shmtx_unlock(mtx) (void) ngx_atomic_cmp_set((mtx)->lock, ngx_pid, 0) 38 #define ngx_shmtx_unlock(mtx) (void) ngx_atomic_cmp_set((mtx)->lock, ngx_pid, 0)