--- libev/ev.h 2007/11/01 11:11:22 1.17 +++ libev/ev.h 2007/11/02 22:03:00 1.23 @@ -30,8 +30,20 @@ #ifndef EV_H #define EV_H +#ifdef __cplusplus +extern "C" { +#endif + typedef double ev_tstamp; +/* these priorities are inclusive, higher priorities will be called earlier */ +#ifndef EV_MINPRI +# define EV_MINPRI -2 +#endif +#ifndef EV_MAXPRI +# define EV_MAXPRI +2 +#endif + /* eventmask, revents, events... */ #define EV_UNDEF -1 /* guaranteed to be invalid */ #define EV_NONE 0x00 @@ -68,6 +80,7 @@ #define EV_WATCHER(type) \ int active; /* private */ \ int pending; /* private */ \ + int priority; /* ro */ \ EV_COMMON; /* rw */ \ void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ @@ -163,19 +176,24 @@ 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 +#define EVMETHOD_AUTO 0 /* consults environment */ +#define EVMETHOD_SELECT 1 +#define EVMETHOD_POLL 2 +#define EVMETHOD_EPOLL 4 +#define EVMETHOD_KQUEUE 8 +#define EVMETHOD_DEVPOLL 16 /* NYI */ +#define EVMETHOD_PORT 32 /* NYI */ +#define EVMETHOD_ANY ~0 /* any method, do not consult env */ #if EV_PROTOTYPES extern int ev_method; -int ev_init (int flags); /* returns ev_method */ +int ev_init (int methods); /* 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); -void ev_postfork_parent (void); -void ev_postfork_child (void); +void ev_fork_prepare (void); +void ev_fork_parent (void); +void ev_fork_child (void); extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ ev_tstamp ev_time (void); @@ -194,7 +212,7 @@ /* 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 = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) +#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (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) @@ -214,7 +232,8 @@ #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 */ +#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ +#define ev_set_priority(ev,pri) (ev)->priority = pri /* stopping (enabling, adding) a watcher does nothing if it is already running */ /* stopping (disabling, deleting) a watcher does nothing unless its already running */ @@ -245,5 +264,9 @@ void ev_child_stop (struct ev_child *w); #endif +#ifdef __cplusplus +} +#endif + #endif