# define EV_USE_PORT 0
#endif
+#ifndef EV_PID_HASHSIZE
+# if EV_MINIMAL
+# define EV_PID_HASHSIZE 1
+# else
+# define EV_PID_HASHSIZE 16
+# endif
+#endif
+
/**/
#ifndef CLOCK_MONOTONIC
#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
-#define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */
/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */
#ifdef EV_H
#else
# define expect(expr,value) (expr)
# define inline_speed static
-# define inline_minimal static
+# define inline_size static
# define noinline
#endif
/*****************************************************************************/
-static ev_child *childs [PID_HASHSIZE];
+static ev_child *childs [EV_PID_HASHSIZE];
#ifndef _WIN32
{
ev_child *w;
- for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
+ for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
if (w->pid == pid || !w->pid)
{
ev_priority (w) = ev_priority (sw); /* need to do it *now* */
ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
child_reap (EV_A_ sw, pid, pid, status);
- child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
+ if (EV_PID_HASHSIZE > 1)
+ child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
}
#endif
while (activecnt)
{
+ /* we might have forked, so reify kernel state if necessary */
+ #if EV_FORK_ENABLE
+ if (expect_false (postfork))
+ if (forkcnt)
+ {
+ queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
+ call_pending (EV_A);
+ }
+ #endif
+
/* queue check watchers (and execute them) */
if (expect_false (preparecnt))
{
}
#endif
+#ifndef SA_RESTART
+# define SA_RESTART 0
+#endif
+
void
-ev_idle_start (EV_P_ ev_idle *w)
+ev_signal_start (EV_P_ ev_signal *w)
{
+#if EV_MULTIPLICITY
+ assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
+#endif
if (expect_false (ev_is_active (w)))
return;
- ev_start (EV_A_ (W)w, ++idlecnt);
- array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
- idles [idlecnt - 1] = w;
+ assert (("ev_signal_start called with illegal signal number", w->signum > 0));
+
+ ev_start (EV_A_ (W)w, 1);
+ array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
+ wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
+
+ if (!((WL)w)->next)
+ {
+#if _WIN32
+ signal (w->signum, sighandler);
+#else
+ struct sigaction sa;
+ sa.sa_handler = sighandler;
+ sigfillset (&sa.sa_mask);
+ sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
+ sigaction (w->signum, &sa, 0);
+#endif
+ }
}
void
-ev_idle_stop (EV_P_ ev_idle *w)
+ev_signal_stop (EV_P_ ev_signal *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
return;
- {
- int active = ((W)w)->active;
- idles [active - 1] = idles [--idlecnt];
- ((W)idles [active - 1])->active = active;
- }
+ wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
+ ev_stop (EV_A_ (W)w);
+
+ if (!signals [w->signum - 1].head)
+ signal (w->signum, SIG_DFL);
+}
+
+void
+ev_child_start (EV_P_ ev_child *w)
+{
+#if EV_MULTIPLICITY
+ assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
+#endif
+ if (expect_false (ev_is_active (w)))
+ return;
+ ev_start (EV_A_ (W)w, 1);
+ wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
+}
+
+void
+ev_child_stop (EV_P_ ev_child *w)
+{
+ ev_clear_pending (EV_A_ (W)w);
+ if (expect_false (!ev_is_active (w)))
+ return;
+
+ wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
ev_stop (EV_A_ (W)w);
}
+#if EV_STAT_ENABLE
+
+# ifdef _WIN32
+# undef lstat
+# define lstat(a,b) _stati64 (a,b)
+# endif
+
+#define DEF_STAT_INTERVAL 5.0074891
+#define MIN_STAT_INTERVAL 0.1074891
+
void
-ev_prepare_start (EV_P_ ev_prepare *w)
+ev_stat_stat (EV_P_ ev_stat *w)
+{
+ if (lstat (w->path, &w->attr) < 0)
+ w->attr.st_nlink = 0;
+ else if (!w->attr.st_nlink)
+ w->attr.st_nlink = 1;
+}
+
+static void
+stat_timer_cb (EV_P_ ev_timer *w_, int revents)
+{
+ ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
+
+ /* we copy this here each the time so that */
+ /* prev has the old value when the callback gets invoked */
+ w->prev = w->attr;
+ ev_stat_stat (EV_A_ w);
+
+ if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
+ ev_feed_event (EV_A_ w, EV_STAT);
+}
+
+void
+ev_stat_start (EV_P_ ev_stat *w)
{
if (expect_false (ev_is_active (w)))
return;
- ev_start (EV_A_ (W)w, ++preparecnt);
- array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
- prepares [preparecnt - 1] = w;
+ /* since we use memcmp, we need to clear any padding data etc. */
+ memset (&w->prev, 0, sizeof (ev_statdata));
+ memset (&w->attr, 0, sizeof (ev_statdata));
+
+ ev_stat_stat (EV_A_ w);
+
+ if (w->interval < MIN_STAT_INTERVAL)
+ w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
+
+ ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
+ ev_set_priority (&w->timer, ev_priority (w));
+ ev_timer_start (EV_A_ &w->timer);
+
+ ev_start (EV_A_ (W)w, 1);
}
void
-ev_prepare_stop (EV_P_ ev_prepare *w)
+ev_stat_stop (EV_P_ ev_stat *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
return;
- {
- int active = ((W)w)->active;
- prepares [active - 1] = prepares [--preparecnt];
- ((W)prepares [active - 1])->active = active;
- }
+ ev_timer_stop (EV_A_ &w->timer);
ev_stop (EV_A_ (W)w);
}
+#endif
void
-ev_check_start (EV_P_ ev_check *w)
+ev_idle_start (EV_P_ ev_idle *w)
{
if (expect_false (ev_is_active (w)))
return;
- ev_start (EV_A_ (W)w, ++checkcnt);
- array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
- checks [checkcnt - 1] = w;
+ ev_start (EV_A_ (W)w, ++idlecnt);
+ array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
+ idles [idlecnt - 1] = w;
}
void
-ev_check_stop (EV_P_ ev_check *w)
+ev_idle_stop (EV_P_ ev_idle *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
{
int active = ((W)w)->active;
- checks [active - 1] = checks [--checkcnt];
- ((W)checks [active - 1])->active = active;
+ idles [active - 1] = idles [--idlecnt];
+ ((W)idles [active - 1])->active = active;
}
ev_stop (EV_A_ (W)w);
}
-#ifndef SA_RESTART
-# define SA_RESTART 0
-#endif
-
void
-ev_signal_start (EV_P_ ev_signal *w)
+ev_prepare_start (EV_P_ ev_prepare *w)
{
-#if EV_MULTIPLICITY
- assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
-#endif
if (expect_false (ev_is_active (w)))
return;
- assert (("ev_signal_start called with illegal signal number", w->signum > 0));
-
- ev_start (EV_A_ (W)w, 1);
- array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
- wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
-
- if (!((WL)w)->next)
- {
-#if _WIN32
- signal (w->signum, sighandler);
-#else
- struct sigaction sa;
- sa.sa_handler = sighandler;
- sigfillset (&sa.sa_mask);
- sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
- sigaction (w->signum, &sa, 0);
-#endif
- }
+ ev_start (EV_A_ (W)w, ++preparecnt);
+ array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
+ prepares [preparecnt - 1] = w;
}
void
-ev_signal_stop (EV_P_ ev_signal *w)
+ev_prepare_stop (EV_P_ ev_prepare *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
return;
- wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
- ev_stop (EV_A_ (W)w);
+ {
+ int active = ((W)w)->active;
+ prepares [active - 1] = prepares [--preparecnt];
+ ((W)prepares [active - 1])->active = active;
+ }
- if (!signals [w->signum - 1].head)
- signal (w->signum, SIG_DFL);
+ ev_stop (EV_A_ (W)w);
}
void
-ev_child_start (EV_P_ ev_child *w)
+ev_check_start (EV_P_ ev_check *w)
{
-#if EV_MULTIPLICITY
- assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
-#endif
if (expect_false (ev_is_active (w)))
return;
- ev_start (EV_A_ (W)w, 1);
- wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
+ ev_start (EV_A_ (W)w, ++checkcnt);
+ array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
+ checks [checkcnt - 1] = w;
}
void
-ev_child_stop (EV_P_ ev_child *w)
+ev_check_stop (EV_P_ ev_check *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
return;
- wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
+ {
+ int active = ((W)w)->active;
+ checks [active - 1] = checks [--checkcnt];
+ ((W)checks [active - 1])->active = active;
+ }
+
ev_stop (EV_A_ (W)w);
}
}
#endif
-#if EV_STAT_ENABLE
-
-# ifdef _WIN32
-# define lstat(a,b) stat(a,b)
-# endif
-
+#if EV_FORK_ENABLE
void
-ev_stat_stat (EV_P_ ev_stat *w)
-{
- if (lstat (w->path, &w->attr) < 0)
- w->attr.st_nlink = 0;
- else if (!w->attr.st_nlink)
- w->attr.st_nlink = 1;
-}
-
-static void
-stat_timer_cb (EV_P_ ev_timer *w_, int revents)
-{
- ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
-
- /* we copy this here each the time so that */
- /* prev has the old value when the callback gets invoked */
- w->prev = w->attr;
- ev_stat_stat (EV_A_ w);
-
- if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata)))
- ev_feed_event (EV_A_ w, EV_STAT);
-}
-
-void
-ev_stat_start (EV_P_ ev_stat *w)
+ev_fork_start (EV_P_ ev_fork *w)
{
if (expect_false (ev_is_active (w)))
return;
- /* since we use memcmp, we need to clear any padding data etc. */
- memset (&w->prev, 0, sizeof (ev_statdata));
- memset (&w->attr, 0, sizeof (ev_statdata));
-
- ev_stat_stat (EV_A_ w);
-
- ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);
- ev_set_priority (&w->timer, ev_priority (w));
- ev_timer_start (EV_A_ &w->timer);
-
- ev_start (EV_A_ (W)w, 1);
+ ev_start (EV_A_ (W)w, ++forkcnt);
+ array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
+ forks [forkcnt - 1] = w;
}
void
-ev_stat_stop (EV_P_ ev_stat *w)
+ev_fork_stop (EV_P_ ev_fork *w)
{
ev_clear_pending (EV_A_ (W)w);
if (expect_false (!ev_is_active (w)))
return;
- ev_timer_stop (EV_A_ &w->timer);
+ {
+ int active = ((W)w)->active;
+ forks [active - 1] = forks [--forkcnt];
+ ((W)forks [active - 1])->active = active;
+ }
ev_stop (EV_A_ (W)w);
}
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