Mercurial > hg > nginx-vendor-0-7
view src/core/ngx_spinlock.c @ 504:706fef7f4dcc NGINX_0_7_64
nginx 0.7.64
*) Security: now SSL/TLS renegotiation is disabled.
Thanks to Maxim Dounin.
*) Bugfix: nginx sent gzipped responses to clients those do not support
gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
in 0.7.63.
*) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld
were defined, then the name .sub.domain.tld was matched by
.domain.tld.
*) Bugfix: segmentation fault and infinite looping in resolver.
*) Bugfix: in resolver.
Thanks to Artem Bokhan.
*) Bugfix: resolver cache poisoning.
Thanks to Matthew Dempsky.
*) Bugfix: memory leak in resolver.
Thanks to Matthew Dempsky.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 16 Nov 2009 00:00:00 +0300 |
parents | 73e8476f9142 |
children |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> void ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin) { #if (NGX_HAVE_ATOMIC_OPS) ngx_uint_t i, n; for ( ;; ) { if (*lock == 0 && ngx_atomic_cmp_set(lock, 0, value)) { return; } if (ngx_ncpu > 1) { for (n = 1; n < spin; n <<= 1) { for (i = 0; i < n; i++) { ngx_cpu_pause(); } if (*lock == 0 && ngx_atomic_cmp_set(lock, 0, value)) { return; } } } ngx_sched_yield(); } #else #if (NGX_THREADS) #error ngx_spinlock() or ngx_atomic_cmp_set() are not defined ! #endif #endif }