#include <stddef.h>
#include <stdlib.h>
-#include <sys/time.h>
+#include <assert.h>
-#include "event.h"
+#ifndef WIN32
+# include <sys/time.h>
+#endif
+
+#ifdef EV_EVENT_H
+# include EV_EVENT_H
+#else
+# include "event.h"
+#endif
-#define dLOOPev
-#define dLOOPbase
+#if EV_MULTIPLICITY
+# define dLOOPev struct ev_loop *loop = (struct ev_loop *)ev->ev_base
+# define dLOOPbase struct ev_loop *loop = (struct ev_loop *)base
+#else
+# define dLOOPev
+# define dLOOPbase
+#endif
+/* never accessed, will always be cast from/to ev_loop */
struct event_base
{
int dummy;
};
-static struct event_base x_base, *x_cur;
+static struct event_base *x_cur;
static void
tv_set (struct timeval *tv, ev_tstamp at)
void *event_init (void)
{
- if (!x_cur && ev_init (0))
- return x_cur = &x_base;
+#if EV_MULTIPLICITY
+ if (x_cur)
+ x_cur = (struct event_base *)ev_loop_new (EVFLAG_AUTO);
+ else
+ x_cur = (struct event_base *)ev_default_loop (EVFLAG_AUTO);
+#else
+ assert (("multiple event bases not supported when not compiled with EV_MULTIPLICITY", !x_cur));
- return 0;
+ x_cur = (struct event_base *)(long)ev_default_loop (EVFLAG_AUTO);
+#endif
+
+ return x_cur;
}
void event_base_free (struct event_base *base)
{
- /* nop */
+ dLOOPbase;
+
+#if EV_MULTIPLICITY
+ if (ev_default_loop (EVFLAG_AUTO) != loop)
+ ev_loop_destroy (loop);
+#endif
}
int event_dispatch (void)
revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL;
ev->ev_res = revents;
- ev->ev_callback (ev->ev_fd, revents, ev->ev_arg);
+ ev->ev_callback (ev->ev_fd, (short)revents, ev->ev_arg);
}
static void
x_cb_sig (EV_P_ struct ev_signal *w, int revents)
{
- x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents);
+ struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.sig));
+
+ if (revents & EV_ERROR)
+ event_del (ev);
+
+ x_cb (ev, revents);
}
static void
{
struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, iosig.io));
- if (!(ev->ev_events & EV_PERSIST) && ev_is_active (w))
- ev_io_stop (w);
+ if ((revents & EV_ERROR) || !(ev->ev_events & EV_PERSIST))
+ event_del (ev);
x_cb (ev, revents);
}
static void
x_cb_to (EV_P_ struct ev_timer *w, int revents)
{
- x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents);
+ struct event *ev = (struct event *)(((char *)w) - offsetof (struct event, to));
+
+ event_del (ev);
+
+ x_cb (ev, revents);
}
void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg)
{
if (events & EV_SIGNAL)
- ev_watcher_init (&ev->iosig.sig, x_cb_sig);
+ ev_init (&ev->iosig.sig, x_cb_sig);
else
- ev_watcher_init (&ev->iosig.io, x_cb_io);
+ ev_init (&ev->iosig.io, x_cb_io);
- ev_watcher_init (&ev->to, x_cb_to);
+ ev_init (&ev->to, x_cb_to);
- ev->ev_base = x_cur;
+ ev->ev_base = x_cur; /* not threadsafe, but its like libevent works */
ev->ev_fd = fd;
ev->ev_events = events;
ev->ev_pri = 0;
ev->ev_callback = cb;
ev->ev_arg = arg;
ev->ev_res = 0;
+ ev->ev_flags = EVLIST_INIT;
}
int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
{
dLOOPev;
- /* disable all watchers */
- event_del (ev);
-
if (ev->ev_events & EV_SIGNAL)
{
- ev_signal_set (&ev->iosig.sig, ev->ev_fd);
- ev_signal_start (EV_A_ &ev->iosig.sig);
+ if (!ev_is_active (&ev->iosig.sig))
+ {
+ ev_signal_set (&ev->iosig.sig, ev->ev_fd);
+ ev_signal_start (EV_A_ &ev->iosig.sig);
+
+ ev->ev_flags |= EVLIST_SIGNAL;
+ }
}
else if (ev->ev_events & (EV_READ | EV_WRITE))
{
- ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
- ev_io_start (EV_A_ &ev->iosig.io);
+ if (!ev_is_active (&ev->iosig.io))
+ {
+ ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE));
+ ev_io_start (EV_A_ &ev->iosig.io);
+
+ ev->ev_flags |= EVLIST_INSERTED;
+ }
}
if (tv)
{
- ev_timer_set (&ev->to, tv_get (tv), 0.);
- ev_timer_start (EV_A_ &ev->to);
+ ev->to.repeat = tv_get (tv);
+ ev_timer_again (EV_A_ &ev->to);
+ ev->ev_flags |= EVLIST_TIMEOUT;
+ }
+ else
+ {
+ ev_timer_stop (EV_A_ &ev->to);
+ ev->ev_flags &= ~EVLIST_TIMEOUT;
}
+ ev->ev_flags |= EVLIST_ACTIVE;
+
return 0;
}
dLOOPev;
if (ev->ev_events & EV_SIGNAL)
- {
- /* sig */
- if (ev_is_active (&ev->iosig.sig))
- ev_signal_stop (EV_A_ &ev->iosig.sig);
- }
- else
- {
- /* io */
- if (ev_is_active (&ev->iosig.io))
- ev_io_stop (EV_A_ &ev->iosig.io);
- }
+ ev_signal_stop (EV_A_ &ev->iosig.sig);
+ else if (ev->ev_events & (EV_READ | EV_WRITE))
+ ev_io_stop (EV_A_ &ev->iosig.io);
if (ev_is_active (&ev->to))
ev_timer_stop (EV_A_ &ev->to);
+ ev->ev_flags = EVLIST_INIT;
+
return 0;
}
-int event_pending (struct event *ev, short events, struct timeval *tv)
+void event_active (struct event *ev, int res, short ncalls)
{
dLOOPev;
+ if (res & EV_TIMEOUT)
+ ev_feed_event (EV_A_ &ev->to, res & EV_TIMEOUT);
+
+ if (res & EV_SIGNAL)
+ ev_feed_event (EV_A_ &ev->iosig.sig, res & EV_SIGNAL);
+
+ if (res & (EV_READ | EV_WRITE))
+ ev_feed_event (EV_A_ &ev->iosig.io, res & (EV_READ | EV_WRITE));
+}
+
+int event_pending (struct event *ev, short events, struct timeval *tv)
+{
short revents = 0;
+ dLOOPev;
+
if (ev->ev_events & EV_SIGNAL)
{
/* sig */
- if (ev->iosig.sig.pending)
+ if (ev_is_active (&ev->iosig.sig) || ev_is_pending (&ev->iosig.sig))
revents |= EV_SIGNAL;
}
- else
+ else if (ev->ev_events & (EV_READ | EV_WRITE))
{
/* io */
- if (ev->iosig.io.pending)
+ if (ev_is_active (&ev->iosig.io) || ev_is_pending (&ev->iosig.io))
revents |= ev->ev_events & (EV_READ | EV_WRITE);
}
- if (ev->to.pending)
+ if (ev->ev_events & EV_TIMEOUT || ev_is_active (&ev->to) || ev_is_pending (&ev->to))
{
revents |= EV_TIMEOUT;
int event_base_loop (struct event_base *base, int flags)
{
dLOOPbase;
- ev_loop (EV_A_ flags | EVLOOP_ONESHOT);
+
+ ev_loop (EV_A_ flags);
return 0;
}
}
static void
-x_loopexit_cb (EV_P_ int revents, void *arg)
+x_loopexit_cb (int revents, void *base)
{
- ev_unloop (EV_A_ 2);
+ dLOOPbase;
+
+ ev_unloop (EV_A_ EVUNLOOP_ONE);
}
int event_base_loopexit (struct event_base *base, struct timeval *tv)
{
- dLOOPbase;
ev_tstamp after = tv_get (tv);
+ dLOOPbase;
ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base);
static void
x_once_cb (int revents, void *arg)
{
- struct x_once *once = arg;
+ struct x_once *once = (struct x_once *)arg;
- once->cb (once->fd, revents, once->arg);
+ once->cb (once->fd, (short)revents, once->arg);
free (once);
}
int event_base_once (struct event_base *base, int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv)
{
+ struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once));
dLOOPbase;
- struct x_once *once = malloc (sizeof (struct x_once));
if (!once)
return -1;
int event_base_priority_init (struct event_base *base, int npri)
{
- dLOOPbase;
+ /*dLOOPbase;*/
return 0;
}
projects / software / libev.git / blobdiff