X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/b05a0efa267648cf18cad1e018068034b735093b..1ad1e600c3eebe009db39a0f9750ed4adb078857:/ev.c diff --git a/ev.c b/ev.c index 9e172b7..88e3474 100644 --- a/ev.c +++ b/ev.c @@ -43,26 +43,53 @@ extern "C" { # ifndef EV_USE_REALTIME # define EV_USE_REALTIME 1 # endif +# else +# ifndef EV_USE_MONOTONIC +# define EV_USE_MONOTONIC 0 +# endif +# ifndef EV_USE_REALTIME +# define EV_USE_REALTIME 0 +# endif # endif -# if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) -# define EV_USE_SELECT 1 +# ifndef EV_USE_SELECT +# if HAVE_SELECT && HAVE_SYS_SELECT_H +# define EV_USE_SELECT 1 +# else +# define EV_USE_SELECT 0 +# endif # endif -# if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) -# define EV_USE_POLL 1 +# ifndef EV_USE_POLL +# if HAVE_POLL && HAVE_POLL_H +# define EV_USE_POLL 1 +# else +# define EV_USE_POLL 0 +# endif # endif - -# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) -# define EV_USE_EPOLL 1 + +# ifndef EV_USE_EPOLL +# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H +# define EV_USE_EPOLL 1 +# else +# define EV_USE_EPOLL 0 +# endif # endif - -# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) -# define EV_USE_KQUEUE 1 + +# ifndef EV_USE_KQUEUE +# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H +# define EV_USE_KQUEUE 1 +# else +# define EV_USE_KQUEUE 0 +# endif # endif - -# if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) -# define EV_USE_PORT 1 + +# ifndef EV_USE_PORT +# if HAVE_PORT_H && HAVE_PORT_CREATE +# define EV_USE_PORT 1 +# else +# define EV_USE_PORT 0 +# endif # endif #endif @@ -164,7 +191,7 @@ extern "C" { #if __GNUC__ >= 3 # define expect(expr,value) __builtin_expect ((expr),(value)) -# define inline inline +# define inline static inline #else # define expect(expr,value) (expr) # define inline static @@ -368,7 +395,7 @@ ev_feed_event (EV_P_ void *w, int revents) { W w_ = (W)w; - if (w_->pending) + if (expect_false (w_->pending)) { pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; return; @@ -412,7 +439,7 @@ ev_feed_fd_event (EV_P_ int fd, int revents) /*****************************************************************************/ -static void +inline void fd_reify (EV_P) { int i; @@ -449,7 +476,7 @@ fd_reify (EV_P) static void fd_change (EV_P_ int fd) { - if (anfds [fd].reify) + if (expect_false (anfds [fd].reify)) return; anfds [fd].reify = 1; @@ -471,7 +498,7 @@ fd_kill (EV_P_ int fd) } } -static int +inline int fd_valid (int fd) { #ifdef _WIN32 @@ -650,7 +677,7 @@ sigcb (EV_P_ struct ev_io *iow, int revents) ev_feed_signal_event (EV_A_ signum + 1); } -inline void +static void fd_intern (int fd) { #ifdef _WIN32 @@ -783,11 +810,20 @@ loop_init (EV_P_ unsigned int flags) now_floor = mn_now; rtmn_diff = ev_rt_now - mn_now; - if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) + if (!(flags & EVFLAG_NOENV) + && !enable_secure () + && getenv ("LIBEV_FLAGS")) flags = atoi (getenv ("LIBEV_FLAGS")); - if (!(flags & 0x0000ffff)) - flags |= 0x0000ffff; + if (!(flags & EVMETHOD_ALL)) + { + flags |= EVMETHOD_ALL; +#if EV_USE_KQUEUE && !defined (__NetBSD__) + /* kqueue is borked on everything but netbsd apparently */ + /* it usually doesn't work correctly on anything but sockets and pipes */ + flags &= ~EVMETHOD_KQUEUE; +#endif + } method = 0; #if EV_USE_PORT @@ -811,7 +847,7 @@ loop_init (EV_P_ unsigned int flags) } } -void +static void loop_destroy (EV_P) { int i; @@ -912,7 +948,7 @@ ev_loop_fork (EV_P) #if EV_MULTIPLICITY struct ev_loop * -ev_default_loop_ (unsigned int flags) +ev_default_loop_init (unsigned int flags) #else int ev_default_loop (unsigned int flags) @@ -1014,7 +1050,7 @@ call_pending (EV_P) } } -static void +inline void timers_reify (EV_P) { while (timercnt && ((WT)timers [0])->at <= mn_now) @@ -1042,7 +1078,7 @@ timers_reify (EV_P) } #if EV_PERIODICS -static void +inline void periodics_reify (EV_P) { while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) @@ -1111,7 +1147,7 @@ time_update_monotonic (EV_P) } } -static void +inline void time_update (EV_P) { int i; @@ -1232,7 +1268,7 @@ ev_loop (EV_P_ int flags) } #endif - if (block < 0.) block = 0.; + if (expect_false (block < 0.)) block = 0.; } method_poll (EV_A_ block); @@ -1251,12 +1287,12 @@ ev_loop (EV_P_ int flags) queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); /* queue check watchers, to be executed first */ - if (checkcnt) + if (expect_false (checkcnt)) queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); call_pending (EV_A); - if (loop_done) + if (expect_false (loop_done)) break; } @@ -1328,7 +1364,7 @@ ev_io_start (EV_P_ struct ev_io *w) { int fd = w->fd; - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; assert (("ev_io_start called with negative fd", fd >= 0)); @@ -1344,7 +1380,7 @@ void ev_io_stop (EV_P_ struct ev_io *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); @@ -1358,7 +1394,7 @@ ev_io_stop (EV_P_ struct ev_io *w) void ev_timer_start (EV_P_ struct ev_timer *w) { - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; ((WT)w)->at += mn_now; @@ -1377,12 +1413,12 @@ void ev_timer_stop (EV_P_ struct ev_timer *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); - if (((W)w)->active < timercnt--) + if (expect_true (((W)w)->active < timercnt--)) { timers [((W)w)->active - 1] = timers [timercnt]; adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); @@ -1417,7 +1453,7 @@ ev_timer_again (EV_P_ struct ev_timer *w) void ev_periodic_start (EV_P_ struct ev_periodic *w) { - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; if (w->reschedule_cb) @@ -1441,12 +1477,12 @@ void ev_periodic_stop (EV_P_ struct ev_periodic *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); - if (((W)w)->active < periodiccnt--) + if (expect_true (((W)w)->active < periodiccnt--)) { periodics [((W)w)->active - 1] = periodics [periodiccnt]; adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); @@ -1467,7 +1503,7 @@ ev_periodic_again (EV_P_ struct ev_periodic *w) void ev_idle_start (EV_P_ struct ev_idle *w) { - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; ev_start (EV_A_ (W)w, ++idlecnt); @@ -1479,7 +1515,7 @@ void ev_idle_stop (EV_P_ struct ev_idle *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; idles [((W)w)->active - 1] = idles [--idlecnt]; @@ -1489,7 +1525,7 @@ ev_idle_stop (EV_P_ struct ev_idle *w) void ev_prepare_start (EV_P_ struct ev_prepare *w) { - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; ev_start (EV_A_ (W)w, ++preparecnt); @@ -1501,7 +1537,7 @@ void ev_prepare_stop (EV_P_ struct ev_prepare *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; prepares [((W)w)->active - 1] = prepares [--preparecnt]; @@ -1511,7 +1547,7 @@ ev_prepare_stop (EV_P_ struct ev_prepare *w) void ev_check_start (EV_P_ struct ev_check *w) { - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; ev_start (EV_A_ (W)w, ++checkcnt); @@ -1523,7 +1559,7 @@ void ev_check_stop (EV_P_ struct ev_check *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; checks [((W)w)->active - 1] = checks [--checkcnt]; @@ -1540,7 +1576,7 @@ ev_signal_start (EV_P_ struct ev_signal *w) #if EV_MULTIPLICITY assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); #endif - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; assert (("ev_signal_start called with illegal signal number", w->signum > 0)); @@ -1567,7 +1603,7 @@ void ev_signal_stop (EV_P_ struct ev_signal *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); @@ -1583,7 +1619,7 @@ ev_child_start (EV_P_ struct ev_child *w) #if EV_MULTIPLICITY assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); #endif - if (ev_is_active (w)) + if (expect_false (ev_is_active (w))) return; ev_start (EV_A_ (W)w, 1); @@ -1594,7 +1630,7 @@ void ev_child_stop (EV_P_ struct ev_child *w) { ev_clear_pending (EV_A_ (W)w); - if (!ev_is_active (w)) + if (expect_false (!ev_is_active (w))) return; wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); @@ -1641,26 +1677,27 @@ ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, vo { struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); - if (!once) - cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); - else + if (expect_false (!once)) { - once->cb = cb; - once->arg = arg; + cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); + return; + } - ev_init (&once->io, once_cb_io); - if (fd >= 0) - { - ev_io_set (&once->io, fd, events); - ev_io_start (EV_A_ &once->io); - } + once->cb = cb; + once->arg = arg; - ev_init (&once->to, once_cb_to); - if (timeout >= 0.) - { - ev_timer_set (&once->to, timeout, 0.); - ev_timer_start (EV_A_ &once->to); - } + ev_init (&once->io, once_cb_io); + if (fd >= 0) + { + ev_io_set (&once->io, fd, events); + ev_io_start (EV_A_ &once->io); + } + + ev_init (&once->to, once_cb_to); + if (timeout >= 0.) + { + ev_timer_set (&once->to, timeout, 0.); + ev_timer_start (EV_A_ &once->to); } }