diff options
Diffstat (limited to 'src/event/ngx_event_busy_lock.h')
| -rw-r--r-- | src/event/ngx_event_busy_lock.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/event/ngx_event_busy_lock.h b/src/event/ngx_event_busy_lock.h new file mode 100644 index 000000000..061da65a9 --- /dev/null +++ b/src/event/ngx_event_busy_lock.h @@ -0,0 +1,57 @@ +#ifndef _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ +#define _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ + + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_event.h> + +typedef struct ngx_event_busy_lock_ctx_s ngx_event_busy_lock_ctx_t; + +struct ngx_event_busy_lock_ctx_s { + ngx_event_t *event; + ngx_event_handler_pt handler; + void *data; + ngx_msec_t timer; + + unsigned locked:1; + unsigned cache_updated:1; + + char *md5; + ngx_int_t slot; + + ngx_event_busy_lock_ctx_t *next; +}; + + +typedef struct { + u_char *md5_mask; + char *md5; + ngx_uint_t cachable; + + ngx_uint_t busy; + ngx_uint_t max_busy; + + ngx_uint_t waiting; + ngx_uint_t max_waiting; + + ngx_event_busy_lock_ctx_t *events; + ngx_event_busy_lock_ctx_t *last; + +#if (NGX_THREADS) + ngx_mutex_t *mutex; +#endif +} ngx_event_busy_lock_t; + + +ngx_int_t ngx_event_busy_lock(ngx_event_busy_lock_t *bl, + ngx_event_busy_lock_ctx_t *ctx); +ngx_int_t ngx_event_busy_lock_cachable(ngx_event_busy_lock_t *bl, + ngx_event_busy_lock_ctx_t *ctx); +ngx_int_t ngx_event_busy_unlock(ngx_event_busy_lock_t *bl, + ngx_event_busy_lock_ctx_t *ctx); +ngx_int_t ngx_event_busy_lock_cancel(ngx_event_busy_lock_t *bl, + ngx_event_busy_lock_ctx_t *ctx); + + +#endif /* _NGX_EVENT_BUSY_LOCK_H_INCLUDED_ */ |