# define EV_STAT_ENABLE 1
#endif
+#ifndef EV_IDLE_ENABLE
+# define EV_IDLE_ENABLE 1
+#endif
+
+#ifndef EV_FORK_ENABLE
+# define EV_FORK_ENABLE 1
+#endif
+
#ifndef EV_EMBED_ENABLE
# define EV_EMBED_ENABLE 1
#endif
# 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
#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 */
#if EV_STAT_ENABLE
/* st_nlink = 0 means missing file or other error */
-#ifdef _WIN32
+# ifdef _WIN32
typedef struct _stati64 ev_statdata;
-#else
+# else
typedef struct stat ev_statdata;
-#endif
+# endif
/* invoked each time the stat data changes for a given path */
/* revent EV_STAT */
typedef struct ev_stat
{
- EV_WATCHER (ev_stat)
+ EV_WATCHER_LIST (ev_stat)
ev_timer timer; /* private */
ev_tstamp interval; /* ro */
const char *path; /* ro */
ev_statdata prev; /* ro */
ev_statdata attr; /* ro */
+
+ int wd; /* wd for inotify, fd for kqueue */
} ev_stat;
#endif
+#if EV_IDLE_ENABLE
/* invoked when the nothing else needs to be done, keeps the process from blocking */
/* revent EV_IDLE */
typedef struct ev_idle
{
EV_WATCHER (ev_idle)
} ev_idle;
+#endif
/* invoked for each run of the mainloop, just before the blocking call */
/* you can still change events in any way you like */
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 */
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;
#endif
+#if EV_IDLE_ENABLE
struct ev_idle idle;
+#endif
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
#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
/* flag bits */
#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
+#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
/* method bits to be ored together */
#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
#define EVBACKEND_POLL 0x00000002UL /* !win */
void ev_default_fork (void);
unsigned int ev_backend (EV_P);
+unsigned int ev_loop_count (EV_P);
#endif
#define EVLOOP_NONBLOCK 1 /* do not block/wait */
/* these may evaluate ev multiple times, and the other arguments at most once */
/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
-#define ev_init(ev,cb_) do { \
+#define ev_init(ev,cb_) do { \
((ev_watcher *)(void *)(ev))->active = \
((ev_watcher *)(void *)(ev))->pending = \
((ev_watcher *)(void *)(ev))->priority = 0; \
- ev_set_cb ((ev), cb_); \
+ ev_set_cb ((ev), cb_); \
} while (0)
#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
-#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
+#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
#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)
#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 */
-#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
+#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
#define ev_cb(ev) (ev)->cb /* rw */
-#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
+#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
#ifndef ev_set_cb
# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
void ev_stat_stat (EV_P_ ev_stat *w);
# endif
+# if EV_IDLE_ENABLE
void ev_idle_start (EV_P_ ev_idle *w);
void ev_idle_stop (EV_P_ ev_idle *w);
+# endif
void ev_prepare_start (EV_P_ ev_prepare *w);
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);
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