X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/9c3ea2c67ff2082780a7323fa5df445469faf0b4..36ed1953891a670e15f5e113491596630f21676c:/event.c?ds=inline diff --git a/event.c b/event.c index 66fbbc8..1c2bc73 100644 --- a/event.c +++ b/event.c @@ -35,13 +35,22 @@ #include "event.h" +#ifdef EV_MULTIPLICITY +# define dLOOPev struct ev_loop *loop = ev->ev_base->loop +# define dLOOPbase struct ev_loop *loop = base->loop +#else +# define dLOOPev +# define dLOOPbase +#endif + struct event_base { +#ifdef EV_MULTIPLICITY + struct ev_loop *loop; +#endif int dummy; }; -static int x_actives; - static struct event_base x_base, *x_cur; static void @@ -74,7 +83,7 @@ const char *event_get_method (void) void *event_init (void) { - if (ev_init (0)) + if (!x_cur && ev_init (0)) return x_cur = &x_base; return 0; @@ -82,6 +91,8 @@ void *event_init (void) void event_base_free (struct event_base *base) { + dLOOPbase; + /* nop */ } @@ -90,10 +101,12 @@ 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 +115,49 @@ 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_is_active (&ev->sig)) - { - ev_signal_stop (&ev->sig); - --x_actives; - } - - if (!(ev->ev_events & EV_PERSIST) && ev_is_active (&ev->io)) - { - ev_io_stop (&ev->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, 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 (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, sig)), revents); + x_cb ((struct event *)(((char *)w) - offsetof (struct event, to)), revents); } void event_set (struct event *ev, int fd, short events, void (*cb)(int, short, void *), void *arg) { - ev_watcher_init (&ev->io, x_cb_io); + if (events & EV_SIGNAL) + ev_watcher_init (&ev->iosig.sig, x_cb_sig); + else + ev_watcher_init (&ev->iosig.io, x_cb_io); + ev_watcher_init (&ev->to, x_cb_to); - ev_watcher_init (&ev->sig, x_cb_sig); ev->ev_base = x_cur; ev->ev_fd = fd; @@ -164,48 +170,31 @@ 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) { - if (tv) - { - if (ev_is_active (&ev->to)) - { - ev_timer_stop (&ev->to); - --x_actives; - } + dLOOPev; - ev_timer_set (&ev->to, tv_get (tv), 0.); - ev_timer_start (&ev->to); - ++x_actives; - } + /* disable all watchers */ + event_del (ev); - if (ev->ev_events & (EV_READ | EV_WRITE)) + if (ev->ev_events & EV_SIGNAL) { - if (ev_is_active (&ev->io)) - { - ev_io_stop (&ev->io); - --x_actives; - } - - ev_io_set (&ev->io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE)); - ev_io_start (&ev->io); - ++x_actives; + ev_signal_set (&ev->iosig.sig, ev->ev_fd); + 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_A_ &ev->iosig.io); } - if (ev->ev_events & EV_SIGNAL) + if (tv) { - if (ev_is_active (&ev->sig)) - { - ev_signal_stop (&ev->sig); - --x_actives; - } - - ev_signal_set (&ev->sig, ev->ev_fd); - ev_signal_start (&ev->sig); - ++x_actives; + ev_timer_set (&ev->to, tv_get (tv), 0.); + ev_timer_start (EV_A_ &ev->to); } return 0; @@ -213,45 +202,54 @@ int event_add (struct event *ev, struct timeval *tv) int event_del (struct event *ev) { - if (ev_is_active (&ev->io)) - { - ev_io_stop (&ev->io); - --x_actives; - } + dLOOPev; - if (ev_is_active (&ev->to)) + if (ev->ev_events & EV_SIGNAL) { - ev_timer_stop (&ev->to); - --x_actives; + /* sig */ + if (ev_is_active (&ev->iosig.sig)) + ev_signal_stop (EV_A_ &ev->iosig.sig); } - - if (ev_is_active (&ev->sig)) + else { - ev_signal_stop (&ev->sig); - --x_actives; + /* io */ + if (ev_is_active (&ev->iosig.io)) + ev_io_stop (EV_A_ &ev->iosig.io); } + if (ev_is_active (&ev->to)) + ev_timer_stop (EV_A_ &ev->to); + return 0; } int event_pending (struct event *ev, short events, struct timeval *tv) { - short revents; + dLOOPev; - if (ev->io.pending) - revents |= ev->ev_events & (EV_READ | EV_WRITE); + short revents = 0; + + if (ev->ev_events & EV_SIGNAL) + { + /* sig */ + if (ev->iosig.sig.pending) + revents |= EV_SIGNAL; + } + else + { + /* io */ + if (ev->iosig.io.pending) + revents |= ev->ev_events & (EV_READ | EV_WRITE); + } if (ev->to.pending) { 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 :) */ } - if (ev->sig.pending) - revents |= EV_SIGNAL; - return events & revents; } @@ -276,11 +274,9 @@ 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; } @@ -291,16 +287,19 @@ int event_base_dispatch (struct event_base *base) } static void -x_loopexit_cb (int revents, void *arg) +x_loopexit_cb (EV_P_ int revents, void *arg) { - ev_loop_done = 2; + ev_unloop (EV_A_ 2); } int event_base_loopexit (struct event_base *base, struct timeval *tv) { + dLOOPbase; ev_tstamp after = tv_get (tv); - 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 @@ -321,6 +320,7 @@ 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) { + dLOOPbase; struct x_once *once = malloc (sizeof (struct x_once)); if (!once) @@ -330,13 +330,15 @@ 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; }