X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/61de97f9771545a844c541206449ea719aa26d21..85e9d898522a460b8dcf57f1781f6acc3d2f3ee5:/event.c?ds=sidebyside diff --git a/event.c b/event.c index 490e9c2..783eef1 100644 --- a/event.c +++ b/event.c @@ -31,18 +31,30 @@ #include #include -#include +#include +#ifndef WIN32 +# include +#endif + +#include "ev.h" #include "event.h" +#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 int x_actives; - -static struct event_base x_base, *x_cur; +static struct event_base *x_cur; static void tv_set (struct timeval *tv, ev_tstamp at) @@ -74,15 +86,28 @@ const char *event_get_method (void) void *event_init (void) { - if (ev_init (0)) - return x_cur = &x_base; +#if EV_MULTIPLICITY + if (x_cur) + x_cur = (struct event_base *)ev_loop_new (EVMETHOD_AUTO); + else + x_cur = (struct event_base *)ev_default_loop (EVMETHOD_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 (EVMETHOD_AUTO); +#endif + + return x_cur; } void event_base_free (struct event_base *base) { - /* nop */ + dLOOPbase; + +#if EV_MULTIPLICITY + if (ev_default_loop (EVMETHOD_AUTO) != loop) + ev_loop_destroy (loop); +#endif } int event_dispatch (void) @@ -90,10 +115,12 @@ int event_dispatch (void) return event_base_dispatch (x_cur); } +#ifdef EV_STANDALONE void event_set_log_callback (event_log_cb cb) { /* nop */ } +#endif int event_loop (int flags) { @@ -102,56 +129,43 @@ int event_loop (int flags) int event_loopexit (struct timeval *tv) { - event_base_loopexit (x_cur, tv); + return event_base_loopexit (x_cur, tv); } static void x_cb (struct event *ev, int revents) { - if (ev->ev_events & EV_SIGNAL) - { - /* sig */ - if (ev_is_active (&ev->iosig.sig)) - { - ev_signal_stop (&ev->iosig.sig); - --x_actives; - } - } - else - { - /* io */ - if (!(ev->ev_events & EV_PERSIST) && ev_is_active (&ev->iosig.io)) - { - ev_io_stop (&ev->iosig.io); - --x_actives; - } - } - revents &= EV_READ | EV_WRITE | EV_TIMEOUT | EV_SIGNAL; - if (revents & EV_TIMEOUT) - --x_actives; - ev->ev_res = revents; ev->ev_callback (ev->ev_fd, revents, ev->ev_arg); } static void -x_cb_io (struct ev_io *w, int revents) +x_cb_sig (EV_P_ struct ev_signal *w, int revents) { - x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.io)), revents); + x_cb ((struct event *)(((char *)w) - offsetof (struct event, iosig.sig)), revents); } static void -x_cb_to (struct ev_timer *w, int revents) +x_cb_io (EV_P_ struct ev_io *w, int revents) { - x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); + 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 (EV_A_ w); + + x_cb (ev, revents); } static void -x_cb_sig (struct ev_signal *w, int revents) +x_cb_to (EV_P_ struct ev_timer *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, 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) @@ -163,7 +177,7 @@ void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, v ev_watcher_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; @@ -174,32 +188,31 @@ void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, v int event_once (int fd, short events, void (*cb)(int, short, void *), void *arg, struct timeval *tv) { - event_base_once (x_cur, fd, events, cb, arg, tv); + return event_base_once (x_cur, fd, events, cb, arg, tv); } int event_add (struct event *ev, 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->iosig.sig); - ++x_actives; + ev_signal_start (EV_A_ &ev->iosig.sig); } 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->iosig.io); - ++x_actives; + ev_io_start (EV_A_ &ev->iosig.io); } if (tv) { ev_timer_set (&ev->to, tv_get (tv), 0.); - ev_timer_start (&ev->to); - ++x_actives; + ev_timer_start (EV_A_ &ev->to); } return 0; @@ -207,57 +220,52 @@ int event_add (struct event *ev, struct timeval *tv) int event_del (struct event *ev) { + dLOOPev; + if (ev->ev_events & EV_SIGNAL) { /* sig */ if (ev_is_active (&ev->iosig.sig)) - { - ev_signal_stop (&ev->iosig.sig); - --x_actives; - } + ev_signal_stop (EV_A_ &ev->iosig.sig); } - else + else if (ev->ev_events & (EV_READ | EV_WRITE)) { /* io */ if (ev_is_active (&ev->iosig.io)) - { - ev_io_stop (&ev->iosig.io); - --x_actives; - } + ev_io_stop (EV_A_ &ev->iosig.io); } if (ev_is_active (&ev->to)) - { - ev_timer_stop (&ev->to); - --x_actives; - } + ev_timer_stop (EV_A_ &ev->to); return 0; } int event_pending (struct event *ev, short events, struct timeval *tv) { - short revents; + 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; if (tv) - tv_set (tv, ev_now); /* not sure if this is right :) */ + tv_set (tv, ev_now (EV_A)); /* not sure if this is right :) */ } return events & revents; @@ -284,11 +292,9 @@ int event_base_set (struct event_base *base, struct event *ev) int event_base_loop (struct event_base *base, int flags) { - do - { - ev_loop (flags | EVLOOP_ONESHOT); - } - while (!(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) && x_actives && !ev_loop_done); + dLOOPbase; + + ev_loop (EV_A_ flags); return 0; } @@ -299,16 +305,21 @@ int event_base_dispatch (struct event_base *base) } static void -x_loopexit_cb (int revents, void *arg) +x_loopexit_cb (int revents, void *base) { - ev_loop_done = 2; + dLOOPbase; + + ev_unloop (EV_A_ EVUNLOOP_ONCE); } int event_base_loopexit (struct event_base *base, struct timeval *tv) { ev_tstamp after = tv_get (tv); + dLOOPbase; - ev_once (-1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); + ev_once (EV_A_ -1, 0, after >= 0. ? after : 0., x_loopexit_cb, (void *)base); + + return -1; } struct x_once @@ -321,7 +332,7 @@ struct x_once 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); free (once); @@ -329,7 +340,8 @@ x_once_cb (int revents, void *arg) 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 = malloc (sizeof (struct x_once)); + struct x_once *once = (struct x_once *)malloc (sizeof (struct x_once)); + dLOOPbase; if (!once) return -1; @@ -338,13 +350,15 @@ int event_base_once (struct event_base *base, int fd, short events, void (*cb)(i once->cb = cb; once->arg = arg; - ev_once (fd, events & (EV_READ | EV_WRITE), tv_get (tv), x_once_cb, (void *)once); + ev_once (EV_A_ fd, events & (EV_READ | EV_WRITE), tv_get (tv), x_once_cb, (void *)once); return 0; } int event_base_priority_init (struct event_base *base, int npri) { + /*dLOOPbase;*/ + return 0; }