[ViewVC] Diff of: cvs/libev/ev.h

Comparing libev/ev.h (file contents):
Revision 1.112 by root, Sat Mar 28 22:17:17 2009 UTC vs.
Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC

  * and other provisions required by the GPL. If you do not delete the
  * provisions above, a recipient may use your version of this file under
  * either the BSD or the GPL.
  */
-#ifndef EV_H__
+#ifndef EV_H_
-#define EV_H__
+#define EV_H_
 #ifdef __cplusplus
 extern "C" {
 #endif
 # define EV_EMBED_ENABLE 1
 #endif
 #ifndef EV_ASYNC_ENABLE
 # define EV_ASYNC_ENABLE 1
+#endif
+#ifndef EV_WALK_ENABLE
+# define EV_WALK_ENABLE 0 /* not yet */
 #endif
 #ifndef EV_ATOMIC_T
 # include <signal.h>
 # define EV_ATOMIC_T sig_atomic_t volatile
 #define EV_PREPARE  0x00004000 /* event loop about to poll */
 #define EV_CHECK    0x00008000 /* event loop finished poll */
 #define EV_EMBED    0x00010000 /* embedded event loop needs sweep */
 #define EV_FORK     0x00020000 /* event loop resumed in child */
 #define EV_ASYNC    0x00040000 /* async intra-loop signal */
+#define EV_CUSTOM   0x01000000 /* for use by user code */
 #define EV_ERROR    0x80000000 /* sent when an error occurs */
 /* can be used to add custom fields to all watchers, while losing binary compatibility */
 #ifndef EV_COMMON
 # define EV_COMMON void *data;
 #ifndef EV_PROTOTYPES
 # define EV_PROTOTYPES 1
 #endif
 #define EV_VERSION_MAJOR 3
-#define EV_VERSION_MINOR 0
+#define EV_VERSION_MINOR 9
 #ifndef EV_CB_DECLARE
 # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
 #endif
 #ifndef EV_CB_INVOKE
  *           or simply 1 for watchers that aren't in some array.
  * pending is either 0, in which case the watcher isn't,
  *           or the array index + 1 in the pendings array.
  */
+#if EV_MINPRI == EV_MAXPRI
+# define EV_DECL_PRIORITY
+#else
+# define EV_DECL_PRIORITY int priority;
+#endif
 /* shared by all watchers */
 #define EV_WATCHER(type)			\
   int active; /* private */			\
   int pending; /* private */			\
-  int priority; /* private */			\
+  EV_DECL_PRIORITY /* private */		\
   EV_COMMON /* rw */				\
   EV_CB_DECLARE (type) /* private */
 #define EV_WATCHER_LIST(type)			\
   EV_WATCHER (type)				\
   EV_WATCHER (ev_async)
   EV_ATOMIC_T sent; /* private */
 } ev_async;
-# define ev_async_pending(w) ((w)->sent + 0)
+# define ev_async_pending(w) (+(w)->sent)
 #endif
 /* the presence of this union forces similar struct layout */
 union ev_any_watcher
 {
 /* the default */
 #define EVFLAG_AUTO       0x00000000U /* not quite a mask */
 /* flag bits */
 #define EVFLAG_NOENV      0x01000000U /* do NOT consult environment */
 #define EVFLAG_FORKCHECK  0x02000000U /* check for a fork in each iteration */
+/* debugging/feature disable */
+#define EVFLAG_NOINOTIFY  0x00100000U /* do not attempt to use inotify */
+#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
+#define EVFLAG_SIGNALFD   0x00200000U /* attempt to use signalfd */
 /* method bits to be ored together */
 #define EVBACKEND_SELECT  0x00000001U /* about anywhere */
 #define EVBACKEND_POLL    0x00000002U /* !win */
 #define EVBACKEND_EPOLL   0x00000004U /* linux */
 #define EVBACKEND_KQUEUE  0x00000008U /* bsd */
 #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */
 #define EVBACKEND_PORT    0x00000020U /* solaris 10 */
+#define EVBACKEND_ALL     0x0000003FU
 #if EV_PROTOTYPES
 int ev_version_major (void);
 int ev_version_minor (void);
 /* create and destroy alternative loops that don't handle signals */
 struct ev_loop *ev_loop_new (unsigned int flags);
 void ev_loop_destroy (EV_P);
 void ev_loop_fork (EV_P);
-void ev_loop_verify (EV_P);
 ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
-void ev_now_update (EV_P);
 #else
 int ev_default_loop (unsigned int flags); /* returns true when successful */
 /* if you create alternative loops you have to call ev_loop_fork on them */
 /* you can call it in either the parent or the child */
 /* you can actually call it at any time, anywhere :) */
 void ev_default_fork (void);
-#if 0
+unsigned int ev_backend (EV_P); /* backend in use by loop */
+void ev_now_update (EV_P); /* update event loop time */
+#if EV_WALK_ENABLE
 /* walk (almost) all watchers in the loop of a given type, invoking the */
 /* callback on every such watcher. The callback might stop the watcher, */
 /* but do nothing else with the loop */
 void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w));
 #endif
-unsigned int ev_backend (EV_P);    /* backend in use by loop */
-unsigned int ev_loop_count (EV_P); /* number of loop iterations */
 #endif /* prototypes */
 #define EVLOOP_NONBLOCK	1 /* do not block/wait */
 #define EVLOOP_ONESHOT	2 /* block *once* only */
 #define EVUNLOOP_CANCEL 0 /* undo unloop */
 #if EV_PROTOTYPES
 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 */
-void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
-void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
 /*
  * 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
+ * keeps one reference. if you have a long-running watcher you never unregister that
  * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
  */
 void ev_ref   (EV_P);
 void ev_unref (EV_P);
+/*
-/* convenience function, wait for a single event, without registering an event watcher */
+ * convenience function, wait for a single event, without registering an event watcher
-/* if timeout is < 0, do wait indefinitely */
+ * if timeout is < 0, do wait indefinitely
+ */
 void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
+# if EV_MINIMAL < 2
+unsigned int ev_loop_count  (EV_P); /* number of loop iterations */
+unsigned int ev_loop_depth  (EV_P); /* #ev_loop enters - #ev_loop leaves */
+void         ev_loop_verify (EV_P); /* abort if loop data corrupted */
+void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
+void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
+/* advanced stuff for threading etc. support, see docs */
+void ev_set_userdata (EV_P_ void *data);
+void *ev_userdata (EV_P);
+void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
+void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P));
+unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
+void ev_invoke_pending (EV_P); /* invoke all pending watchers */
+/*
+ * stop/start the timer handling.
+ */
+void ev_suspend (EV_P);
+void ev_resume  (EV_P);
+#endif
 #endif
 /* these may evaluate ev multiple times, and the other arguments at most once */
 /* 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 {			\
-  ((ev_watcher *)(void *)(ev))->active   =	\
+  ((ev_watcher *)(void *)(ev))->active  =	\
-  ((ev_watcher *)(void *)(ev))->pending  =	\
+  ((ev_watcher *)(void *)(ev))->pending = 0;	\
-  ((ev_watcher *)(void *)(ev))->priority = 0;	\
+  ev_set_priority ((ev), 0);			\
   ev_set_cb ((ev), cb_);			\
 } while (0)
 #define ev_io_set(ev,fd_,events_)            do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
 #define ev_timer_set(ev,after_,repeat_)      do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
 #define ev_async_init(ev,cb)                 do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
 #define ev_is_pending(ev)                    (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
 #define ev_is_active(ev)                     (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
-#define ev_priority(ev)                      ((((ev_watcher *)(void *)(ev))->priority) + 0)
 #define ev_cb(ev)                            (ev)->cb /* rw */
+#if EV_MINPRI == EV_MAXPRI
+# define ev_priority(ev)                     ((ev), EV_MINPRI)
+# define ev_set_priority(ev,pri)             ((ev), (pri))
+#else
+# define ev_priority(ev)                     (+(((ev_watcher *)(void *)(ev))->priority))
-#define ev_set_priority(ev,pri)              ((ev_watcher *)(void *)(ev))->priority = (pri)
+# define ev_set_priority(ev,pri)             (   (ev_watcher *)(void *)(ev))->priority = (pri)
+#endif
-#define ev_periodic_at(ev)                   (((ev_watcher_time *)(ev))->at + 0.)
+#define ev_periodic_at(ev)                   (+((ev_watcher_time *)(ev))->at)
 #ifndef ev_set_cb
 # define ev_set_cb(ev,cb_)                   ev_cb (ev) = (cb_)
 #endif
 void ev_timer_start    (EV_P_ ev_timer *w);
 void ev_timer_stop     (EV_P_ 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_ ev_timer *w);
+/* return remaining time */
+ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
 #if EV_PERIODIC_ENABLE
 void ev_periodic_start (EV_P_ ev_periodic *w);
 void ev_periodic_stop  (EV_P_ ev_periodic *w);
 void ev_periodic_again (EV_P_ ev_periodic *w);

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Comparing libev/ev.h (file contents): Revision 1.112 by root, Sat Mar 28 22:17:17 2009 UTC vs. Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.112 by root, Sat Mar 28 22:17:17 2009 UTC vs.
Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC