typedef struct
{
struct ev_io *head;
- int events;
+ unsigned char events;
+ unsigned char reify;
} ANFD;
static ANFD *anfds;
{
base->head = 0;
base->events = EV_NONE;
+ base->reify = 0;
+
++base;
}
}
for (w = anfd->head; w; w = w->next)
events |= w->events;
- anfd->events &= ~EV_REIFY;
+ anfd->reify = 0;
if (anfd->events != events)
{
static void
fd_change (int fd)
{
- if (anfds [fd].events & EV_REIFY || fdchangecnt < 0)
+ if (anfds [fd].reify || fdchangecnt < 0)
return;
- anfds [fd].events |= EV_REIFY;
+ anfds [fd].reify = 1;
++fdchangecnt;
array_needsize (fdchanges, fdchangemax, fdchangecnt, );
while (anfds [fd].head)
{
ev_io_stop (anfds [fd].head);
- event ((W)anfds [fd].head, EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT);
+ event ((W)anfds [fd].head, EV_ERROR | EV_READ | EV_WRITE);
}
}
{
base->head = 0;
base->gotsig = 0;
+
++base;
}
}
/* first reschedule or stop timer */
if (w->repeat)
{
+ assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
w->at = now + w->repeat;
- assert (("timer timeout in the past, negative repeat?", w->at > now));
downheap ((WT *)timers, timercnt, 0);
}
else
if (w->interval)
{
w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval;
- assert (("periodic timeout in the past, negative interval?", w->at > ev_now));
+ assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now));
downheap ((WT *)periodics, periodiccnt, 0);
}
else
ev_periodic_stop (w); /* nonrepeating: stop timer */
- event ((W)w, EV_TIMEOUT);
+ event ((W)w, EV_PERIODIC);
}
}
}
static void
-ev_clear (W w)
+ev_clear_pending (W w)
{
if (w->pending)
{
int fd = w->fd;
+ assert (("ev_io_start called with negative fd", fd >= 0));
+
ev_start ((W)w, 1);
array_needsize (anfds, anfdmax, fd + 1, anfds_init);
wlist_add ((WL *)&anfds[fd].head, (WL)w);
void
ev_io_stop (struct ev_io *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (!ev_is_active (w))
return;
w->at += now;
- assert (("timer repeat value less than zero not allowed", w->repeat >= 0.));
+ assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
ev_start ((W)w, ++timercnt);
array_needsize (timers, timermax, timercnt, );
void
ev_timer_stop (struct ev_timer *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (!ev_is_active (w))
return;
if (ev_is_active (w))
return;
- assert (("periodic interval value less than zero not allowed", w->interval >= 0.));
+ assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
/* this formula differs from the one in periodic_reify because we do not always round up */
if (w->interval)
void
ev_periodic_stop (struct ev_periodic *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (!ev_is_active (w))
return;
if (ev_is_active (w))
return;
+ assert (("ev_signal_start called with illegal signal number", w->signum > 0));
+
ev_start ((W)w, 1);
array_needsize (signals, signalmax, w->signum, signals_init);
wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
void
ev_signal_stop (struct ev_signal *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (!ev_is_active (w))
return;
void
ev_idle_stop (struct ev_idle *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (ev_is_active (w))
return;
void
ev_prepare_stop (struct ev_prepare *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (ev_is_active (w))
return;
void
ev_check_stop (struct ev_check *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (ev_is_active (w))
return;
void
ev_child_stop (struct ev_child *w)
{
- ev_clear ((W)w);
+ ev_clear_pending ((W)w);
if (ev_is_active (w))
return;
typedef double ev_tstamp;
/* eventmask, revents, events... */
-#define EV_UNDEF -1 /* guaranteed to be invalid */
-#define EV_NONE 0x00
-#define EV_READ 0x01
-#define EV_WRITE 0x02
-#define EV_REIFY 0x04 /* private */
-#define EV_TIMEOUT 0x000100
-#define EV_SIGNAL 0x000200
-#define EV_IDLE 0x000400
-#define EV_CHECK 0x000800
-#define EV_PREPARE 0x001000
-#define EV_CHILD 0x002000
-#define EV_ERROR 0x800000 /* sent when an error occurs */
+#define EV_UNDEF -1 /* guaranteed to be invalid */
+#define EV_NONE 0x00
+#define EV_READ 0x01
+#define EV_WRITE 0x02
+#define EV_TIMEOUT 0x000100
+#define EV_PERIODIC 0x000200
+#define EV_SIGNAL 0x000400
+#define EV_IDLE 0x000800
+#define EV_CHECK 0x001000
+#define EV_PREPARE 0x002000
+#define EV_CHILD 0x004000
+#define EV_ERROR 0x800000 /* sent when an error occurs */
/* can be used to add custom fields to all watchers */
#ifndef EV_COMMON
};
/* invoked after a specific time, repeatable (based on monotonic clock) */
+/* revent EV_TIMEOUT */
struct ev_timer
{
EV_WATCHER_TIME (ev_timer);
};
/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
+/* revent EV_PERIODIC */
struct ev_periodic
{
EV_WATCHER_TIME (ev_periodic);
};
/* invoked when fd is either EV_READable or EV_WRITEable */
+/* revent EV_READ, EV_WRITE */
struct ev_io
{
EV_WATCHER_LIST (ev_io);
};
/* invoked when the given signal has been received */
+/* revent EV_SIGNAL */
struct ev_signal
{
EV_WATCHER_LIST (ev_signal);
};
/* invoked when the nothing else needs to be done, keeps the process from blocking */
+/* revent EV_IDLE */
struct ev_idle
{
EV_WATCHER (ev_idle);
/* invoked for each run of the mainloop, just before the blocking call */
/* you can still change events in any way you like */
+/* revent EV_PREPARE */
struct ev_prepare
{
EV_WATCHER (ev_prepare);
};
/* invoked for each run of the mainloop, just after the blocking call */
+/* revent EV_CHECK */
struct ev_check
{
EV_WATCHER (ev_check);
};
/* invoked when sigchld is received and waitpid indicates the givne pid */
+/* revent EV_CHILD */
struct ev_child
{
EV_WATCHER_LIST (ev_child);