# define EV_MULTIPLICITY 1
#endif
+#ifndef EV_PERIODICS
+# define EV_PERIODICS 1
+#endif
+
/* support multiple event loops? */
#if EV_MULTIPLICITY
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... */
#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
#define EV_VERSION_MINOR 1
#ifndef EV_CB_DECLARE
-# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents)
+# 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))
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 */
};
/* 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 */
/* revent EV_READ, EV_WRITE */
struct ev_io
{
- EV_WATCHER_LIST (ev_io);
+ EV_WATCHER_LIST (ev_io)
int fd; /* ro */
int events; /* ro */
/* revent EV_SIGNAL */
struct ev_signal
{
- EV_WATCHER_LIST (ev_signal);
+ EV_WATCHER_LIST (ev_signal)
int signum; /* ro */
};
/* 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 */
/* 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 */
/* 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 */
{
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 */
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 (void)
+{
+ extern ev_tstamp ev_rt_now;
+
+ return ev_rt_now;
+}
# endif
void ev_default_destroy (void); /* destroy the default loop */
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
/* 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);
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