/*
* libev native API header
*
- * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 Marc Alexander Lehmann <libev@schmorp.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
#ifdef __cplusplus
# define EV_CPP(x) x
+# if __cplusplus >= 201103L
+# define EV_THROW noexcept
+# else
+# define EV_THROW throw ()
+# endif
#else
# define EV_CPP(x)
+# define EV_THROW
#endif
-#define EV_THROW EV_CPP(throw())
-
EV_CPP(extern "C" {)
/*****************************************************************************/
typedef double ev_tstamp;
+#include <string.h> /* for memmove */
+
#ifndef EV_ATOMIC_T
# include <signal.h>
# define EV_ATOMIC_T sig_atomic_t volatile
/*****************************************************************************/
#define EV_VERSION_MAJOR 4
-#define EV_VERSION_MINOR 11
+#define EV_VERSION_MINOR 24
/* eventmask, revents, events... */
enum {
- EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
- EV_NONE = 0x00, /* no events */
- EV_READ = 0x01, /* ev_io detected read will not block */
- EV_WRITE = 0x02, /* ev_io detected write will not block */
- EV__IOFDSET = 0x80, /* internal use only */
- EV_IO = EV_READ, /* alias for type-detection */
- EV_TIMER = 0x00000100, /* timer timed out */
+ EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
+ EV_NONE = 0x00, /* no events */
+ EV_READ = 0x01, /* ev_io detected read will not block */
+ EV_WRITE = 0x02, /* ev_io detected write will not block */
+ EV_EXCEPTION= 0x04, /* ev_io detected exceptional condition */
+ EV__IOFDSET = 0x80, /* internal use only */
+ EV_IO = EV_READ, /* alias for type-detection */
+ EV_TIMER = 0x00000100, /* timer timed out */
#if EV_COMPAT3
- EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
-#endif
- EV_PERIODIC = 0x00000200, /* periodic timer timed out */
- EV_SIGNAL = 0x00000400, /* signal was received */
- EV_CHILD = 0x00000800, /* child/pid had status change */
- EV_STAT = 0x00001000, /* stat data changed */
- EV_IDLE = 0x00002000, /* event loop is idling */
- EV_PREPARE = 0x00004000, /* event loop about to poll */
- EV_CHECK = 0x00008000, /* event loop finished poll */
- EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
- EV_FORK = 0x00020000, /* event loop resumed in child */
- EV_CLEANUP = 0x00040000, /* event loop resumed in child */
- EV_ASYNC = 0x00080000, /* async intra-loop signal */
- EV_CUSTOM = 0x01000000, /* for use by user code */
- EV_ERROR = 0x80000000 /* sent when an error occurs */
+ EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
+#endif
+ EV_PERIODIC = 0x00000200, /* periodic timer timed out */
+ EV_SIGNAL = 0x00000400, /* signal was received */
+ EV_CHILD = 0x00000800, /* child/pid had status change */
+ EV_STAT = 0x00001000, /* stat data changed */
+ EV_IDLE = 0x00002000, /* event loop is idling */
+ EV_PREPARE = 0x00004000, /* event loop about to poll */
+ EV_CHECK = 0x00008000, /* event loop finished poll */
+ EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
+ EV_FORK = 0x00020000, /* event loop resumed in child */
+ EV_CLEANUP = 0x00040000, /* event loop resumed in child */
+ EV_ASYNC = 0x00080000, /* async intra-loop signal */
+ EV_CUSTOM = 0x01000000, /* for use by user code */
+ EV_ERROR = (int)0x80000000 /* sent when an error occurs */
};
/* can be used to add custom fields to all watchers, while losing binary compatibility */
ev_tstamp offset; /* rw */
ev_tstamp interval; /* rw */
- ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
+ ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */
} ev_periodic;
/* invoked when the given signal has been received */
/* method bits to be ored together */
enum {
- EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
- EVBACKEND_POLL = 0x00000002U, /* !win */
+ EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
+ EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
EVBACKEND_EPOLL = 0x00000004U, /* linux */
- EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
+ EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
EVBACKEND_ALL = 0x0000003FU, /* all known backends */
#endif /* multiplicity */
/* destroy event loops, also works for the default loop */
-EV_API_DECL void ev_loop_destroy (EV_P) EV_THROW;
+EV_API_DECL void ev_loop_destroy (EV_P);
/* this needs to be called after fork, to duplicate the loop */
/* when you want to re-use it in the child */
/* advanced stuff for threading etc. support, see docs */
EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
-EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW;
-EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) EV_THROW;
+typedef void (*ev_loop_callback)(EV_P);
+EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
+/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
+EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW;
EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
#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_cb(ev) (ev)->cb /* rw */
+#define ev_cb_(ev) (ev)->cb /* rw */
+#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
#if EV_MINPRI == EV_MAXPRI
# define ev_priority(ev) ((ev), EV_MINPRI)
#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
#ifndef ev_set_cb
-# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
+# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
#endif
/* stopping (enabling, adding) a watcher does nothing if it is already running */
-/* stopping (disabling, deleting) a watcher does nothing unless its already running */
+/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
#if EV_PROTOTYPES
/* feeds an event into a watcher as if the event actually occurred */
projects / sojka / libev.git / blobdiff