Mercurial > hg > nginx

comparison src/core/ngx_spinlock.c @ 435:5cdc4838d4e8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.11-2004-09-22-20:18:21 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 22 Sep 2004 16:18:21 +0000
parents 018569a8f09c
children da8c5707af39
comparison
equal deleted inserted replaced
434:8998b09f89e9 435:5cdc4838d4e8
3 #include <ngx_core.h> 3 #include <ngx_core.h>
4 4
5 5
6 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin) 6 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin)
7 { 7 {
8
9 #if (NGX_HAVE_ATOMIC_OPS)
10
8 ngx_uint_t tries; 11 ngx_uint_t tries;
9 12
10 tries = 0; 13 tries = 0;
11 14
12 for ( ;; ) { 15 for ( ;; ) {
24 if (ngx_atomic_cmp_set(lock, 0, 1)) { 27 if (ngx_atomic_cmp_set(lock, 0, 1)) {
25 return; 28 return;
26 } 29 }
27 } 30 }
28 } 31 }
32
33 #else
34
35 #if (NGX_THREADS)
36
37 #error ngx_spinlock() or ngx_atomic_cmp_set() are not defined !
38
39 #endif
40
41 #endif
42
29 } 43 }