X-Git-Url: https://git.llucax.com/software/libev.git/blobdiff_plain/8eaf72b24298b3c7c6e33812b1410b1ee3bb33c6..87a584a79fd6470bf0be2bf79c52fab041f5bfa8:/ev.h?ds=inline diff --git a/ev.h b/ev.h index fec2ca4..c82f5a1 100644 --- a/ev.h +++ b/ev.h @@ -73,20 +73,20 @@ struct ev_loop; /* 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 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_READ 0x01 /* io only */ +#define EV_WRITE 0x02 /* io only */ +#define EV_TIMEOUT 0x000100 /* timer only */ +#define EV_PERIODIC 0x000200 /* periodic timer only */ +#define EV_SIGNAL 0x000400 /* signal only */ +#define EV_IDLE 0x000800 /* idle only */ +#define EV_CHECK 0x001000 /* check only */ +#define EV_PREPARE 0x002000 /* prepare only */ +#define EV_CHILD 0x004000 /* child/pid only */ #define EV_ERROR 0x800000 /* sent when an error occurs */ -/* can be used to add custom fields to all watchers */ +/* can be used to add custom fields to all watchers, while losing binary compatibility */ #ifndef EV_COMMON -# define EV_COMMON void *data +# define EV_COMMON void *data; #endif #ifndef EV_PROTOTYPES # define EV_PROTOTYPES 1 @@ -114,40 +114,40 @@ struct ev_loop; int active; /* private */ \ int pending; /* private */ \ int priority; /* private */ \ - EV_COMMON; /* rw */ \ + EV_COMMON /* rw */ \ EV_CB_DECLARE (type) /* private */ #define EV_WATCHER_LIST(type) \ - EV_WATCHER (type); \ - struct ev_watcher_list *next /* private */ + EV_WATCHER (type) \ + struct ev_watcher_list *next; /* private */ #define EV_WATCHER_TIME(type) \ - EV_WATCHER (type); \ - ev_tstamp at /* private */ + EV_WATCHER (type) \ + ev_tstamp at; /* private */ /* base class, nothing to see here unless you subclass */ struct ev_watcher { - EV_WATCHER (ev_watcher); + EV_WATCHER (ev_watcher) }; /* base class, nothing to see here unless you subclass */ struct ev_watcher_list { - EV_WATCHER_LIST (ev_watcher_list); + EV_WATCHER_LIST (ev_watcher_list) }; /* base class, nothing to see here unless you subclass */ struct ev_watcher_time { - EV_WATCHER_TIME (ev_watcher_time); + EV_WATCHER_TIME (ev_watcher_time) }; /* invoked after a specific time, repeatable (based on monotonic clock) */ /* revent EV_TIMEOUT */ struct ev_timer { - EV_WATCHER_TIME (ev_timer); + EV_WATCHER_TIME (ev_timer) ev_tstamp repeat; /* rw */ }; @@ -156,7 +156,7 @@ struct ev_timer /* revent EV_PERIODIC */ struct ev_periodic { - EV_WATCHER_TIME (ev_periodic); + EV_WATCHER_TIME (ev_periodic) ev_tstamp interval; /* rw */ ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ @@ -166,7 +166,7 @@ struct ev_periodic /* revent EV_READ, EV_WRITE */ struct ev_io { - EV_WATCHER_LIST (ev_io); + EV_WATCHER_LIST (ev_io) int fd; /* ro */ int events; /* ro */ @@ -176,7 +176,7 @@ struct ev_io /* revent EV_SIGNAL */ struct ev_signal { - EV_WATCHER_LIST (ev_signal); + EV_WATCHER_LIST (ev_signal) int signum; /* ro */ }; @@ -185,7 +185,7 @@ struct ev_signal /* revent EV_IDLE */ struct ev_idle { - EV_WATCHER (ev_idle); + EV_WATCHER (ev_idle) }; /* invoked for each run of the mainloop, just before the blocking call */ @@ -193,22 +193,22 @@ struct ev_idle /* revent EV_PREPARE */ struct ev_prepare { - EV_WATCHER (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); + EV_WATCHER (ev_check) }; -/* invoked when sigchld is received and waitpid indicates the givne pid */ +/* invoked when sigchld is received and waitpid indicates the given pid */ /* revent EV_CHILD */ /* does not support priorities */ struct ev_child { - EV_WATCHER_LIST (ev_child); + EV_WATCHER_LIST (ev_child) int pid; /* ro */ int rpid; /* rw, holds the received pid */ @@ -231,15 +231,20 @@ union ev_any_watcher struct ev_child child; }; -#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_WIN32 64 /* NYI */ -#define EVMETHOD_ANY ~0 /* any method, do not consult env */ +/* bits for ev_default_loop and ev_loop_new */ +/* the default */ +#define EVFLAG_AUTO 0x00000000 /* not quite a mask */ + +/* method bits to be ored together */ +#define EVMETHOD_SELECT 0x00000001 /* about anywhere */ +#define EVMETHOD_POLL 0x00000002 /* !win */ +#define EVMETHOD_EPOLL 0x00000004 /* linux */ +#define EVMETHOD_KQUEUE 0x00000008 /* bsd */ +#define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */ +#define EVMETHOD_PORT 0x00000020 /* solaris 10 */ /* NYI */ + +/* flag bits */ +#define EVFLAG_NOENV 0x01000000 /* do NOT consult environment */ #if EV_PROTOTYPES int ev_version_major (void); @@ -264,10 +269,10 @@ 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 */ -struct ev_loop *ev_default_loop (int methods); /* returns default loop */ +struct ev_loop *ev_default_loop (unsigned int flags); /* returns default loop */ /* create and destroy alternative loops that don't handle signals */ -struct ev_loop *ev_loop_new (int methods); +struct ev_loop *ev_loop_new (unsigned int flags); void ev_loop_destroy (EV_P); void ev_loop_fork (EV_P); @@ -275,10 +280,10 @@ ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after # else -int ev_default_loop (int methods); /* returns true when successful */ +int ev_default_loop (unsigned int flags); /* returns true when successful */ static ev_tstamp -ev_now () +ev_now (void) { extern ev_tstamp ev_rt_now; @@ -293,7 +298,7 @@ void ev_default_destroy (void); /* destroy the default loop */ /* you can actually call it at any time, anywhere :) */ void ev_default_fork (void); -int ev_method (EV_P); +unsigned int ev_method (EV_P); #endif #define EVLOOP_NONBLOCK 1 /* do not block/wait */