X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/d2a541687aad35686251f0193458548b320b92fb..b6461205c4fecf83ffc3ffe41e49519cb71059f1:/ev.h?ds=sidebyside diff --git a/ev.h b/ev.h index a6065d0..fec2ca4 100644 --- a/ev.h +++ b/ev.h @@ -48,6 +48,10 @@ typedef double ev_tstamp; # define EV_MULTIPLICITY 1 #endif +#ifndef EV_PERIODICS +# define EV_PERIODICS 1 +#endif + /* support multiple event loops? */ #if EV_MULTIPLICITY struct ev_loop; @@ -55,11 +59,15 @@ struct ev_loop; # define EV_P_ EV_P, # define EV_A loop # define EV_A_ EV_A, +# define EV_DEFAULT_A ev_default_loop (0) +# define EV_DEFAULT_A_ EV_DEFAULT_A, #else # define EV_P void # define EV_P_ # define EV_A # define EV_A_ +# define EV_DEFAULT_A +# define EV_DEFAULT_A_ #endif /* eventmask, revents, events... */ @@ -87,6 +95,13 @@ struct ev_loop; #define EV_VERSION_MAJOR 1 #define EV_VERSION_MINOR 1 +#ifndef EV_CB_DECLARE +# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); +#endif +#ifndef EV_CB_INVOKE +# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) +#endif + /* * struct member types: * private: you can look at them, but not change them, and they might not mean anything to you. @@ -100,7 +115,7 @@ struct ev_loop; int pending; /* private */ \ int priority; /* private */ \ EV_COMMON; /* rw */ \ - void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */ + EV_CB_DECLARE (type) /* private */ #define EV_WATCHER_LIST(type) \ EV_WATCHER (type); \ @@ -111,17 +126,20 @@ struct ev_loop; ev_tstamp at /* private */ /* base class, nothing to see here unless you subclass */ -struct ev_watcher { +struct ev_watcher +{ EV_WATCHER (ev_watcher); }; /* base class, nothing to see here unless you subclass */ -struct ev_watcher_list { +struct ev_watcher_list +{ EV_WATCHER_LIST (ev_watcher_list); }; /* base class, nothing to see here unless you subclass */ -struct ev_watcher_time { +struct ev_watcher_time +{ EV_WATCHER_TIME (ev_watcher_time); }; @@ -202,14 +220,15 @@ union ev_any_watcher { struct ev_watcher w; struct ev_watcher_list wl; + struct ev_io io; struct ev_timer timer; struct ev_periodic periodic; - struct ev_signal signal; struct ev_idle idle; - struct ev_child child; struct ev_prepare prepare; struct ev_check check; + struct ev_signal signal; + struct ev_child child; }; #define EVMETHOD_AUTO 0 /* consults environment */ @@ -251,8 +270,20 @@ struct ev_loop *ev_default_loop (int methods); /* returns default loop */ struct ev_loop *ev_loop_new (int methods); void ev_loop_destroy (EV_P); void ev_loop_fork (EV_P); + +ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ + # else + int ev_default_loop (int methods); /* returns true when successful */ + +static ev_tstamp +ev_now () +{ + extern ev_tstamp ev_rt_now; + + return ev_rt_now; +} # endif void ev_default_destroy (void); /* destroy the default loop */ @@ -274,8 +305,6 @@ int ev_method (EV_P); void ev_loop (EV_P_ int flags); void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ -ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ - /* * ref/unref can be used to add or remove a refcount on the mainloop. every watcher * keeps one reference. if you have a long-runing watcher you never unregister that @@ -290,12 +319,12 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent #endif /* these may evaluate ev multiple times, and the other arguments at most once */ -/* 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 { \ +/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ +#define ev_init(ev,cb_) do { \ ((struct ev_watcher *)(void *)(ev))->active = \ ((struct ev_watcher *)(void *)(ev))->pending = \ ((struct ev_watcher *)(void *)(ev))->priority = 0; \ - (ev)->cb = (cb_); \ + ev_set_cb ((ev), cb_); \ } while (0) #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) @@ -307,14 +336,14 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent #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,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } 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_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) +#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) +#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) +#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) +#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) +#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) +#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) +#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ @@ -322,7 +351,10 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ #define ev_cb(ev) (ev)->cb /* rw */ #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) -#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) + +#ifndef ev_set_cb +# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) +#endif /* stopping (enabling, adding) a watcher does nothing if it is already running */ /* stopping (disabling, deleting) a watcher does nothing unless its already running */ @@ -342,9 +374,11 @@ void ev_timer_stop (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ void ev_timer_again (EV_P_ struct ev_timer *w); +#if EV_PERIODICS void ev_periodic_start (EV_P_ struct ev_periodic *w); void ev_periodic_stop (EV_P_ struct ev_periodic *w); void ev_periodic_again (EV_P_ struct ev_periodic *w); +#endif void ev_idle_start (EV_P_ struct ev_idle *w); void ev_idle_stop (EV_P_ struct ev_idle *w);