X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/c04c7d0577ceddfe470b6fdcaf727ced91a67d1a..692ca25945e1a987acf66bd845ce70a61aa7b160:/ev.h?ds=inline diff --git a/ev.h b/ev.h index 109e211..83cda6f 100644 --- a/ev.h +++ b/ev.h @@ -98,9 +98,9 @@ struct ev_loop; #define EV_WATCHER(type) \ int active; /* private */ \ int pending; /* private */ \ - int priority; /* ro */ \ + int priority; /* private */ \ EV_COMMON; /* rw */ \ - void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ + void (*cb)(EV_P_ struct type *, int revents); /* private */ /* gets invoked with an eventmask */ #define EV_WATCHER_LIST(type) \ EV_WATCHER (type); \ @@ -199,6 +199,20 @@ struct ev_child int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ }; +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; +}; + #define EVMETHOD_AUTO 0 /* consults environment */ #define EVMETHOD_SELECT 1 #define EVMETHOD_POLL 2 @@ -206,6 +220,7 @@ struct ev_child #define EVMETHOD_KQUEUE 8 #define EVMETHOD_DEVPOLL 16 /* NYI */ #define EVMETHOD_PORT 32 /* NYI */ +#define EVMETHOD_WIN32 64 /* NYI */ #define EVMETHOD_ANY ~0 /* any method, do not consult env */ #if EV_PROTOTYPES @@ -214,6 +229,20 @@ int ev_version_minor (void); ev_tstamp ev_time (void); +/* Sets the allocation function to use, works like realloc. + * It is used to allocate and free memory. + * If it returns zero when memory needs to be allocated, the library might abort + * or take some potentially destructive action. + * The default is your system realloc function. + */ +void ev_set_allocator (void *(*cb)(void *ptr, long size)); + +/* set the callback function to call on a + * retryable syscall error + * (such as failed select, poll, epoll_wait) + */ +void ev_set_syserr_cb (void (*cb)(const char *msg)); + # if EV_MULTIPLICITY /* the default loop is the only one that handles signals and child watchers */ /* you can call this as often as you like */ @@ -263,7 +292,12 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent /* 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 { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) +#define ev_watcher_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_); \ +} 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) @@ -283,9 +317,13 @@ void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revent #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_pending(ev) (0 + (ev)->pending) /* true when watcher is waiting for callback invocation */ -#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ -#define ev_set_priority(ev,pri) (ev)->priority = pri +#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 */ + +#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_) /* stopping (enabling, adding) a watcher does nothing if it is already running */ /* stopping (disabling, deleting) a watcher does nothing unless its already running */