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-rw-r--r--ev.h45
1 files changed, 34 insertions, 11 deletions
diff --git a/ev.h b/ev.h
index 76f7a10..26ffe78 100644
--- a/ev.h
+++ b/ev.h
@@ -56,6 +56,10 @@ typedef double ev_tstamp;
# define EV_STAT_ENABLE 1
#endif
+#ifndef EV_FORK_ENABLE
+# define EV_FORK_ENABLE 1
+#endif
+
#ifndef EV_EMBED_ENABLE
# define EV_EMBED_ENABLE 1
#endif
@@ -73,15 +77,15 @@ struct ev_loop;
# define EV_P_ EV_P,
# define EV_A loop
# define EV_A_ EV_A,
-# define EV_DEFAULT_A ev_default_loop (0)
-# define EV_DEFAULT_A_ EV_DEFAULT_A,
+# define EV_DEFAULT ev_default_loop (0)
+# define EV_DEFAULT_ EV_DEFAULT,
#else
# define EV_P void
# define EV_P_
# define EV_A
# define EV_A_
-# define EV_DEFAULT_A
-# define EV_DEFAULT_A_
+# define EV_DEFAULT
+# define EV_DEFAULT_
# undef EV_EMBED_ENABLE
#endif
@@ -94,12 +98,13 @@ struct ev_loop;
#define EV_TIMEOUT 0x00000100L /* timer timed out */
#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
#define EV_SIGNAL 0x00000400L /* signal was received */
-#define EV_IDLE 0x00000800L /* event loop is idling */
-#define EV_PREPARE 0x00001000L /* event loop about to poll */
-#define EV_CHECK 0x00002000L /* event loop finished poll */
-#define EV_CHILD 0x00004000L /* child/pid had status change */
-#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */
-#define EV_STAT 0x00010000L /* stat data changed */
+#define EV_CHILD 0x00000800L /* child/pid had status change */
+#define EV_STAT 0x00001000L /* stat data changed */
+#define EV_IDLE 0x00002000L /* event loop is idling */
+#define EV_PREPARE 0x00004000L /* event loop about to poll */
+#define EV_CHECK 0x00008000L /* event loop finished poll */
+#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
+#define EV_FORK 0x00020000L /* event loop resumed in child */
#define EV_ERROR 0x80000000L /* sent when an error occurs */
/* can be used to add custom fields to all watchers, while losing binary compatibility */
@@ -255,6 +260,14 @@ typedef struct ev_check
EV_WATCHER (ev_check)
} ev_check;
+#if EV_FORK_ENABLE
+/* the callback gets invoked before check in the child process when a fork was detected */
+typedef struct ev_fork
+{
+ EV_WATCHER (ev_fork)
+} ev_fork;
+#endif
+
#if EV_EMBED_ENABLE
/* used to embed an event loop inside another */
/* the callback gets invoked when the event loop has handled events, and can be 0 */
@@ -276,6 +289,7 @@ union ev_any_watcher
struct ev_io io;
struct ev_timer timer;
struct ev_periodic periodic;
+ struct ev_signal signal;
struct ev_child child;
#if EV_STAT_ENABLE
struct ev_stat stat;
@@ -283,7 +297,9 @@ union ev_any_watcher
struct ev_idle idle;
struct ev_prepare prepare;
struct ev_check check;
- struct ev_signal signal;
+#if EV_FORK_ENABLE
+ struct ev_fork fork;
+#endif
#if EV_EMBED_ENABLE
struct ev_embed embed;
#endif
@@ -413,6 +429,7 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent
#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
+#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
@@ -424,6 +441,7 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent
#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
+#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
@@ -483,6 +501,11 @@ void ev_prepare_stop (EV_P_ ev_prepare *w);
void ev_check_start (EV_P_ ev_check *w);
void ev_check_stop (EV_P_ ev_check *w);
+# if EV_FORK_ENABLE
+void ev_fork_start (EV_P_ ev_fork *w);
+void ev_fork_stop (EV_P_ ev_fork *w);
+# endif
+
# if EV_EMBED_ENABLE
/* only supported when loop to be embedded is in fact embeddable */
void ev_embed_start (EV_P_ ev_embed *w);