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-rw-r--r--src/event/ngx_event.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/event/ngx_event.h b/src/event/ngx_event.h
new file mode 100644
index 000000000..7087e6950
--- /dev/null
+++ b/src/event/ngx_event.h
@@ -0,0 +1,127 @@
+#ifndef _NGX_EVENT_H_INCLUDED_
+#define _NGX_EVENT_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_types.h>
+#include <ngx_log.h>
+
+typedef struct ngx_event_s ngx_event_t;
+
+struct ngx_event_s {
+ void *data;
+
+ int (*event_handler)(ngx_event_t *ev);
+ int (*close_handler)(ngx_event_t *ev);
+ void *context;
+ char *action;
+
+ ngx_event_t *prev; /* queue in select(), poll() */
+ ngx_event_t *next;
+
+ int (*timer_handler)(ngx_event_t *ev);
+ ngx_event_t *timer_prev;
+ ngx_event_t *timer_next;
+
+ u_int timer_delta;
+ u_int timer;
+
+ ngx_log_t *log;
+
+ int available; /* kqueue only: */
+ /* accept: number of sockets that wait */
+ /* to be accepted */
+ /* read: bytes to read */
+ /* write: available space in buffer */
+ /* otherwise: */
+ /* accept: 1 if accept many, 0 otherwise */
+
+ /* flags - int are probably faster on write then bits ??? */
+ unsigned listening:1;
+ unsigned write:1;
+
+ unsigned ready:1;
+ unsigned timedout:1;
+ unsigned process:1;
+ unsigned read_discarded:1;
+
+ unsigned unexpected_eof:1;
+
+#if (HAVE_DEFERRED_ACCEPT)
+ unsigned accept_filter:1;
+#endif
+#if (HAVE_KQUEUE)
+ unsigned eof:1;
+ int errno;
+#endif
+};
+
+typedef enum {
+ NGX_SELECT_EVENT = 0,
+#if (HAVE_POLL)
+ NGX_POLL_EVENT,
+#endif
+#if (HAVE_KQUEUE)
+ NGX_KQUEUE_EVENT,
+#endif
+} ngx_event_type_e ;
+
+typedef struct {
+ int (*add)(ngx_event_t *ev, int event, u_int flags);
+ int (*del)(ngx_event_t *ev, int event);
+ int (*process)(ngx_log_t *log);
+/*
+ int (*read)(ngx_event_t *ev, char *buf, size_t size);
+ int (*write)(ngx_event_t *ev, char *buf, size_t size);
+*/
+} ngx_event_actions_t;
+
+
+#if (HAVE_KQUEUE)
+
+#define NGX_READ_EVENT EVFILT_READ
+#define NGX_WRITE_EVENT EVFILT_WRITE
+#define NGX_TIMER_EVENT (-EVFILT_SYSCOUNT - 1)
+
+#define NGX_ONESHOT_EVENT EV_ONESHOT
+#define NGX_CLEAR_EVENT EV_CLEAR
+
+#else
+
+#define NGX_READ_EVENT 0
+#define NGX_WRITE_EVENT 1
+#define NGX_TIMER_EVENT 2
+
+#define NGX_ONESHOT_EVENT 1
+#define NGX_CLEAR_EVENT 2
+
+#endif
+
+
+#if (USE_KQUEUE)
+#define ngx_init_events ngx_kqueue_init
+#define ngx_process_events ngx_kqueue_process_events
+#define ngx_add_event ngx_kqueue_add_event
+#define ngx_del_event ngx_kqueue_del_event
+#else
+#define ngx_init_events (ngx_event_init[ngx_event_type])
+#define ngx_process_events ngx_event_actions.process
+#define ngx_add_event ngx_event_actions.add
+#define ngx_del_event ngx_event_actions.del
+#endif
+
+
+extern ngx_event_t *ngx_read_events;
+extern ngx_event_t *ngx_write_events;
+extern ngx_connection_t *ngx_connections;
+
+#if !(USE_KQUEUE)
+extern ngx_event_actions_t ngx_event_actions;
+extern ngx_event_type_e ngx_event_type;
+#endif
+
+
+void ngx_worker(ngx_listen_t *sock, int n, ngx_pool_t *pool, ngx_log_t *log);
+
+
+#endif /* _NGX_EVENT_H_INCLUDED_ */