X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/b7186278d06b224100f3bbaed1976d014246bbd9..1b109e5d8b0948a2e7151b3820f1c4784cafeece:/ev.h?ds=inline diff --git a/ev.h b/ev.h index a862613..d8f7ae1 100644 --- a/ev.h +++ b/ev.h @@ -33,15 +33,18 @@ typedef double ev_tstamp; /* eventmask, revents, events... */ -#define EV_UNDEF -1 /* guaranteed to be invalid */ -#define EV_NONE 0x00 -#define EV_READ 0x01 -#define EV_WRITE 0x02 -#define EV_TIMEOUT 0x04 -#define EV_SIGNAL 0x08 -#define EV_IDLE 0x10 -#define EV_CHECK 0x20 -#define EV_ERROR (0x3f|0x80) +#define EV_UNDEF -1 /* guaranteed to be invalid */ +#define EV_NONE 0x00 +#define EV_READ 0x01 +#define EV_WRITE 0x02 +#define EV_TIMEOUT 0x000100 +#define EV_PERIODIC 0x000200 +#define EV_SIGNAL 0x000400 +#define EV_IDLE 0x000800 +#define EV_CHECK 0x001000 +#define EV_PREPARE 0x002000 +#define EV_CHILD 0x004000 +#define EV_ERROR 0x800000 /* sent when an error occurs */ /* can be used to add custom fields to all watchers */ #ifndef EV_COMMON @@ -51,6 +54,9 @@ typedef double ev_tstamp; # define EV_PROTOTYPES 1 #endif +#define EV_VERSION_MAJOR 1 +#define EV_VERSION_MINOR 1 + /* * struct member types: * private: you can look at them, but not change them, and they might not mean anything to you. @@ -89,6 +95,7 @@ struct ev_watcher_time { }; /* invoked after a specific time, repeatable (based on monotonic clock) */ +/* revent EV_TIMEOUT */ struct ev_timer { EV_WATCHER_TIME (ev_timer); @@ -97,6 +104,7 @@ struct ev_timer }; /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ +/* revent EV_PERIODIC */ struct ev_periodic { EV_WATCHER_TIME (ev_periodic); @@ -105,6 +113,7 @@ struct ev_periodic }; /* invoked when fd is either EV_READable or EV_WRITEable */ +/* revent EV_READ, EV_WRITE */ struct ev_io { EV_WATCHER_LIST (ev_io); @@ -114,6 +123,7 @@ struct ev_io }; /* invoked when the given signal has been received */ +/* revent EV_SIGNAL */ struct ev_signal { EV_WATCHER_LIST (ev_signal); @@ -122,23 +132,45 @@ struct ev_signal }; /* invoked when the nothing else needs to be done, keeps the process from blocking */ +/* revent EV_IDLE */ struct ev_idle { EV_WATCHER (ev_idle); }; -/* invoked for each run of the mainloop, just before the next blocking vall is initiated */ +/* invoked for each run of the mainloop, just before the blocking call */ +/* you can still change events in any way you like */ +/* revent EV_PREPARE */ +struct ev_prepare +{ + EV_WATCHER (ev_prepare); +}; + +/* invoked for each run of the mainloop, just after the blocking call */ +/* revent EV_CHECK */ struct ev_check { EV_WATCHER (ev_check); }; +/* invoked when sigchld is received and waitpid indicates the givne pid */ +/* revent EV_CHILD */ +struct ev_child +{ + EV_WATCHER_LIST (ev_child); + + int pid; /* ro */ + int status; /* rw, holds the exit status, use the macros from sys/wait.h */ +}; + #define EVMETHOD_NONE 0 #define EVMETHOD_SELECT 1 #define EVMETHOD_EPOLL 2 #if EV_PROTOTYPES extern int ev_method; int ev_init (int flags); /* returns ev_method */ +int ev_version_major (void); +int ev_version_minor (void); /* these three calls are suitable for plugging into pthread_atfork */ void ev_prefork (void); @@ -161,46 +193,56 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi #endif /* these may evaluate ev multiple times, and the other arguments at most once */ -/* either use evw_init + evXXX_set, or the evXXX_init macro, below, to first initialise a watcher */ -#define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) - -#define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) -#define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) -#define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) -#define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) -#define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ -#define evidle_set(ev) /* nop, yes, this is a serious in-joke */ - -#define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) -#define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) -#define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) -#define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) -#define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) -#define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) +/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ +#define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) + +#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) +#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) +#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) +#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) +#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ +#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ +#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ +#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) + +#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) +#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) +#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) +#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) +#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) +#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) +#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) +#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ /* stopping (enabling, adding) a watcher does nothing if it is already running */ /* stopping (disabling, deleting) a watcher does nothing unless its already running */ #if EV_PROTOTYPES -void evio_start (struct ev_io *w); -void evio_stop (struct ev_io *w); +void ev_io_start (struct ev_io *w); +void ev_io_stop (struct ev_io *w); + +void ev_timer_start (struct ev_timer *w); +void ev_timer_stop (struct ev_timer *w); +void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ + +void ev_periodic_start (struct ev_periodic *w); +void ev_periodic_stop (struct ev_periodic *w); -void evtimer_start (struct ev_timer *w); -void evtimer_stop (struct ev_timer *w); -void evtimer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ +void ev_signal_start (struct ev_signal *w); +void ev_signal_stop (struct ev_signal *w); -void evperiodic_start (struct ev_periodic *w); -void evperiodic_stop (struct ev_periodic *w); +void ev_idle_start (struct ev_idle *w); +void ev_idle_stop (struct ev_idle *w); -void evsignal_start (struct ev_signal *w); -void evsignal_stop (struct ev_signal *w); +void ev_prepare_start (struct ev_prepare *w); +void ev_prepare_stop (struct ev_prepare *w); -void evidle_start (struct ev_idle *w); -void evidle_stop (struct ev_idle *w); +void ev_check_start (struct ev_check *w); +void ev_check_stop (struct ev_check *w); -void evcheck_start (struct ev_check *w); -void evcheck_stop (struct ev_check *w); +void ev_child_start (struct ev_child *w); +void ev_child_stop (struct ev_child *w); #endif #endif