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| author | Igor Sysoev <igor@sysoev.ru> | 2002-08-15 17:20:26 +0000 |
|---|---|---|
| committer | Igor Sysoev <igor@sysoev.ru> | 2002-08-15 17:20:26 +0000 |
| commit | 0c331d9f666b4f9be91009b7caea457e58a80779 (patch) | |
| tree | d48221581b361ee5b0ccad46e4df49caa41b1bba /src/event/ngx_event_mutex.c | |
| parent | 6de5c2cb63f8aee4bcbec3c363a72fd8e4a4e64d (diff) | |
| download | nginx-0c331d9f666b4f9be91009b7caea457e58a80779.tar.gz nginx-0c331d9f666b4f9be91009b7caea457e58a80779.tar.bz2 | |
nginx-0.0.1-2002-08-15-21:20:26 import
Diffstat (limited to '')
| -rw-r--r-- | src/event/ngx_event_mutex.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/event/ngx_event_mutex.c b/src/event/ngx_event_mutex.c new file mode 100644 index 000000000..5a9542b06 --- /dev/null +++ b/src/event/ngx_event_mutex.c @@ -0,0 +1,14 @@ + +spinlock_max depend on CPU number and mutex type. + 1 CPU 1 + ngx_malloc_mutex 1000 ? + + +int ngx_event_mutex_trylock(ngx_mutex_t *mtx) +{ + for(i = mtx->spinlock_max; i; i--) + if (trylock(mtx->lock)) + return 1; + + return 0; +} |