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Comparing libev/ev.h (file contents):
Revision 1.23 by root, Fri Nov 2 22:03:00 2007 UTC vs.
Revision 1.73 by root, Tue Nov 27 19:41:52 2007 UTC

… …
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */ 28 */
29 29
30#ifndef EV_H 30#ifndef EV_H__
31#define EV_H 31#define EV_H__
32 32
33#ifdef __cplusplus 33#ifdef __cplusplus
34extern "C" { 34extern "C" {
35#endif 35#endif
36 36
… …
42#endif 42#endif
43#ifndef EV_MAXPRI 43#ifndef EV_MAXPRI
44# define EV_MAXPRI +2 44# define EV_MAXPRI +2
45#endif 45#endif
46 46
47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1
49#endif
50
51#ifndef EV_PERIODIC_ENABLE
52# define EV_PERIODIC_ENABLE 1
53#endif
54
55#ifndef EV_STAT_ENABLE
56# define EV_STAT_ENABLE 1
57#endif
58
59#ifndef EV_FORK_ENABLE
60# define EV_FORK_ENABLE 1
61#endif
62
63#ifndef EV_EMBED_ENABLE
64# define EV_EMBED_ENABLE 1
65#endif
66
67/*****************************************************************************/
68
69#include <stddef.h> /* for size_t */
70
71#if EV_STAT_ENABLE
72# include <sys/stat.h>
73#endif
74
75/* support multiple event loops? */
76#if EV_MULTIPLICITY
77struct ev_loop;
78# define EV_P struct ev_loop *loop
79# define EV_P_ EV_P,
80# define EV_A loop
81# define EV_A_ EV_A,
82# define EV_DEFAULT ev_default_loop (0)
83# define EV_DEFAULT_ EV_DEFAULT,
84#else
85# define EV_P void
86# define EV_P_
87# define EV_A
88# define EV_A_
89# define EV_DEFAULT
90# define EV_DEFAULT_
91
92# undef EV_EMBED_ENABLE
93#endif
94
47/* eventmask, revents, events... */ 95/* eventmask, revents, events... */
48#define EV_UNDEF -1 /* guaranteed to be invalid */ 96#define EV_UNDEF -1L /* guaranteed to be invalid */
49#define EV_NONE 0x00 97#define EV_NONE 0x00L /* no events */
50#define EV_READ 0x01 98#define EV_READ 0x01L /* ev_io detected read will not block */
51#define EV_WRITE 0x02 99#define EV_WRITE 0x02L /* ev_io detected write will not block */
52#define EV_TIMEOUT 0x000100 100#define EV_TIMEOUT 0x00000100L /* timer timed out */
53#define EV_PERIODIC 0x000200 101#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
54#define EV_SIGNAL 0x000400 102#define EV_SIGNAL 0x00000400L /* signal was received */
55#define EV_IDLE 0x000800 103#define EV_CHILD 0x00000800L /* child/pid had status change */
56#define EV_CHECK 0x001000 104#define EV_STAT 0x00001000L /* stat data changed */
57#define EV_PREPARE 0x002000 105#define EV_IDLE 0x00002000L /* event loop is idling */
58#define EV_CHILD 0x004000 106#define EV_PREPARE 0x00004000L /* event loop about to poll */
107#define EV_CHECK 0x00008000L /* event loop finished poll */
108#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
109#define EV_FORK 0x00020000L /* event loop resumed in child */
59#define EV_ERROR 0x800000 /* sent when an error occurs */ 110#define EV_ERROR 0x80000000L /* sent when an error occurs */
60 111
61/* can be used to add custom fields to all watchers */ 112/* can be used to add custom fields to all watchers, while losing binary compatibility */
62#ifndef EV_COMMON 113#ifndef EV_COMMON
63# define EV_COMMON void *data 114# define EV_COMMON void *data;
64#endif 115#endif
65#ifndef EV_PROTOTYPES 116#ifndef EV_PROTOTYPES
66# define EV_PROTOTYPES 1 117# define EV_PROTOTYPES 1
67#endif 118#endif
68 119
69#define EV_VERSION_MAJOR 1 120#define EV_VERSION_MAJOR 1
70#define EV_VERSION_MINOR 1 121#define EV_VERSION_MINOR 1
122
123#ifndef EV_CB_DECLARE
124# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
125#endif
126#ifndef EV_CB_INVOKE
127# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
128#endif
71 129
72/* 130/*
73 * struct member types: 131 * struct member types:
74 * private: you can look at them, but not change them, and they might not mean anything to you. 132 * private: you can look at them, but not change them, and they might not mean anything to you.
75 * ro: can be read anytime, but only changed when the watcher isn't active 133 * ro: can be read anytime, but only changed when the watcher isn't active
… …
78 136
79/* shared by all watchers */ 137/* shared by all watchers */
80#define EV_WATCHER(type) \ 138#define EV_WATCHER(type) \
81 int active; /* private */ \ 139 int active; /* private */ \
82 int pending; /* private */ \ 140 int pending; /* private */ \
83 int priority; /* ro */ \ 141 int priority; /* private */ \
84 EV_COMMON; /* rw */ \ 142 EV_COMMON /* rw */ \
85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 143 EV_CB_DECLARE (type) /* private */
86 144
87#define EV_WATCHER_LIST(type) \ 145#define EV_WATCHER_LIST(type) \
88 EV_WATCHER (type); \ 146 EV_WATCHER (type) \
89 struct type *next /* private */ 147 struct ev_watcher_list *next; /* private */
90 148
91#define EV_WATCHER_TIME(type) \ 149#define EV_WATCHER_TIME(type) \
92 EV_WATCHER (type); \ 150 EV_WATCHER (type) \
93 ev_tstamp at /* private */ 151 ev_tstamp at; /* private */
94 152
95/* base class, nothing to see here unless you subclass */ 153/* base class, nothing to see here unless you subclass */
96struct ev_watcher { 154typedef struct ev_watcher
155{
97 EV_WATCHER (ev_watcher); 156 EV_WATCHER (ev_watcher)
98}; 157} ev_watcher;
99 158
100/* base class, nothing to see here unless you subclass */ 159/* base class, nothing to see here unless you subclass */
101struct ev_watcher_list { 160typedef struct ev_watcher_list
161{
102 EV_WATCHER_LIST (ev_watcher_list); 162 EV_WATCHER_LIST (ev_watcher_list)
103}; 163} ev_watcher_list;
104 164
105/* base class, nothing to see here unless you subclass */ 165/* base class, nothing to see here unless you subclass */
106struct ev_watcher_time { 166typedef struct ev_watcher_time
167{
107 EV_WATCHER_TIME (ev_watcher_time); 168 EV_WATCHER_TIME (ev_watcher_time)
108}; 169} ev_watcher_time;
170
171/* invoked when fd is either EV_READable or EV_WRITEable */
172/* revent EV_READ, EV_WRITE */
173typedef struct ev_io
174{
175 EV_WATCHER_LIST (ev_io)
176
177 int fd; /* ro */
178 int events; /* ro */
179} ev_io;
109 180
110/* invoked after a specific time, repeatable (based on monotonic clock) */ 181/* invoked after a specific time, repeatable (based on monotonic clock) */
111/* revent EV_TIMEOUT */ 182/* revent EV_TIMEOUT */
112struct ev_timer 183typedef struct ev_timer
113{ 184{
114 EV_WATCHER_TIME (ev_timer); 185 EV_WATCHER_TIME (ev_timer)
115 186
116 ev_tstamp repeat; /* rw */ 187 ev_tstamp repeat; /* rw */
117}; 188} ev_timer;
118 189
119/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 190/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
120/* revent EV_PERIODIC */ 191/* revent EV_PERIODIC */
121struct ev_periodic 192typedef struct ev_periodic
122{ 193{
123 EV_WATCHER_TIME (ev_periodic); 194 EV_WATCHER_TIME (ev_periodic)
124 195
125 ev_tstamp interval; /* rw */ 196 ev_tstamp interval; /* rw */
126}; 197 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
127 198} ev_periodic;
128/* invoked when fd is either EV_READable or EV_WRITEable */
129/* revent EV_READ, EV_WRITE */
130struct ev_io
131{
132 EV_WATCHER_LIST (ev_io);
133
134 int fd; /* ro */
135 int events; /* ro */
136};
137 199
138/* invoked when the given signal has been received */ 200/* invoked when the given signal has been received */
139/* revent EV_SIGNAL */ 201/* revent EV_SIGNAL */
140struct ev_signal 202typedef struct ev_signal
141{ 203{
142 EV_WATCHER_LIST (ev_signal); 204 EV_WATCHER_LIST (ev_signal)
143 205
144 int signum; /* ro */ 206 int signum; /* ro */
145}; 207} ev_signal;
208
209/* invoked when sigchld is received and waitpid indicates the given pid */
210/* revent EV_CHILD */
211/* does not support priorities */
212typedef struct ev_child
213{
214 EV_WATCHER_LIST (ev_child)
215
216 int pid; /* ro */
217 int rpid; /* rw, holds the received pid */
218 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
219} ev_child;
220
221#if EV_STAT_ENABLE
222/* st_nlink = 0 means missing file or other error */
223#ifdef _WIN32
224typedef struct _stati64 ev_statdata;
225#else
226typedef struct stat ev_statdata;
227#endif
228
229/* invoked each time the stat data changes for a given path */
230/* revent EV_STAT */
231typedef struct ev_stat
232{
233 EV_WATCHER (ev_stat)
234
235 ev_timer timer; /* private */
236 ev_tstamp interval; /* ro */
237 const char *path; /* ro */
238 ev_statdata prev; /* ro */
239 ev_statdata attr; /* ro */
240} ev_stat;
241#endif
146 242
147/* invoked when the nothing else needs to be done, keeps the process from blocking */ 243/* invoked when the nothing else needs to be done, keeps the process from blocking */
148/* revent EV_IDLE */ 244/* revent EV_IDLE */
149struct ev_idle 245typedef struct ev_idle
150{ 246{
151 EV_WATCHER (ev_idle); 247 EV_WATCHER (ev_idle)
152}; 248} ev_idle;
153 249
154/* invoked for each run of the mainloop, just before the blocking call */ 250/* invoked for each run of the mainloop, just before the blocking call */
155/* you can still change events in any way you like */ 251/* you can still change events in any way you like */
156/* revent EV_PREPARE */ 252/* revent EV_PREPARE */
157struct ev_prepare 253typedef struct ev_prepare
158{ 254{
159 EV_WATCHER (ev_prepare); 255 EV_WATCHER (ev_prepare)
160}; 256} ev_prepare;
161 257
162/* invoked for each run of the mainloop, just after the blocking call */ 258/* invoked for each run of the mainloop, just after the blocking call */
163/* revent EV_CHECK */ 259/* revent EV_CHECK */
164struct ev_check 260typedef struct ev_check
165{ 261{
166 EV_WATCHER (ev_check); 262 EV_WATCHER (ev_check)
263} ev_check;
264
265#if EV_FORK_ENABLE
266/* the callback gets invoked before check in the child process when a fork was detected */
267typedef struct ev_fork
268{
269 EV_WATCHER (ev_fork)
270} ev_fork;
271#endif
272
273#if EV_EMBED_ENABLE
274/* used to embed an event loop inside another */
275/* the callback gets invoked when the event loop has handled events, and can be 0 */
276typedef struct ev_embed
277{
278 EV_WATCHER (ev_embed)
279
280 ev_io io; /* private */
281 struct ev_loop *loop; /* ro */
282} ev_embed;
283#endif
284
285/* the presence of this union forces similar struct layout */
286union ev_any_watcher
287{
288 struct ev_watcher w;
289 struct ev_watcher_list wl;
290
291 struct ev_io io;
292 struct ev_timer timer;
293 struct ev_periodic periodic;
294 struct ev_signal signal;
295 struct ev_child child;
296#if EV_STAT_ENABLE
297 struct ev_stat stat;
298#endif
299 struct ev_idle idle;
300 struct ev_prepare prepare;
301 struct ev_check check;
302#if EV_FORK_ENABLE
303 struct ev_fork fork;
304#endif
305#if EV_EMBED_ENABLE
306 struct ev_embed embed;
307#endif
167}; 308};
168 309
169/* invoked when sigchld is received and waitpid indicates the givne pid */ 310/* bits for ev_default_loop and ev_loop_new */
170/* revent EV_CHILD */ 311/* the default */
171struct ev_child 312#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
172{ 313/* flag bits */
173 EV_WATCHER_LIST (ev_child); 314#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
315/* method bits to be ored together */
316#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
317#define EVBACKEND_POLL 0x00000002UL /* !win */
318#define EVBACKEND_EPOLL 0x00000004UL /* linux */
319#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
320#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
321#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
174 322
175 int pid; /* ro */
176 int status; /* rw, holds the exit status, use the macros from sys/wait.h */
177};
178
179#define EVMETHOD_AUTO 0 /* consults environment */
180#define EVMETHOD_SELECT 1
181#define EVMETHOD_POLL 2
182#define EVMETHOD_EPOLL 4
183#define EVMETHOD_KQUEUE 8
184#define EVMETHOD_DEVPOLL 16 /* NYI */
185#define EVMETHOD_PORT 32 /* NYI */
186#define EVMETHOD_ANY ~0 /* any method, do not consult env */
187#if EV_PROTOTYPES 323#if EV_PROTOTYPES
188extern int ev_method;
189int ev_init (int methods); /* returns ev_method */
190int ev_version_major (void); 324int ev_version_major (void);
191int ev_version_minor (void); 325int ev_version_minor (void);
192 326
193/* these three calls are suitable for plugging into pthread_atfork */ 327unsigned int ev_supported_backends (void);
194void ev_fork_prepare (void); 328unsigned int ev_recommended_backends (void);
195void ev_fork_parent (void); 329unsigned int ev_embeddable_backends (void);
196void ev_fork_child (void);
197 330
198extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
199ev_tstamp ev_time (void); 331ev_tstamp ev_time (void);
332
333/* Sets the allocation function to use, works like realloc.
334 * It is used to allocate and free memory.
335 * If it returns zero when memory needs to be allocated, the library might abort
336 * or take some potentially destructive action.
337 * The default is your system realloc function.
338 */
339void ev_set_allocator (void *(*cb)(void *ptr, size_t size));
340
341/* set the callback function to call on a
342 * retryable syscall error
343 * (such as failed select, poll, epoll_wait)
344 */
345void ev_set_syserr_cb (void (*cb)(const char *msg));
346
347# if EV_MULTIPLICITY
348/* the default loop is the only one that handles signals and child watchers */
349/* you can call this as often as you like */
350static struct ev_loop *
351ev_default_loop (unsigned int flags)
352{
353 extern struct ev_loop *ev_default_loop_ptr;
354 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
355
356 if (!ev_default_loop_ptr)
357 ev_default_loop_init (flags);
358
359 return ev_default_loop_ptr;
360}
361
362/* create and destroy alternative loops that don't handle signals */
363struct ev_loop *ev_loop_new (unsigned int flags);
364void ev_loop_destroy (EV_P);
365void ev_loop_fork (EV_P);
366
367ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
368
369# else
370
371int ev_default_loop (unsigned int flags); /* returns true when successful */
372
373static ev_tstamp
374ev_now (void)
375{
376 extern ev_tstamp ev_rt_now;
377
378 return ev_rt_now;
379}
380# endif
381
382void ev_default_destroy (void); /* destroy the default loop */
383/* this needs to be called after fork, to duplicate the default loop */
384/* if you create alternative loops you have to call ev_loop_fork on them */
385/* you can call it in either the parent or the child */
386/* you can actually call it at any time, anywhere :) */
387void ev_default_fork (void);
388
389unsigned int ev_backend (EV_P);
200#endif 390#endif
201 391
202#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 392#define EVLOOP_NONBLOCK 1 /* do not block/wait */
203#define EVLOOP_ONESHOT 2 /* block *once* only */ 393#define EVLOOP_ONESHOT 2 /* block *once* only */
394#define EVUNLOOP_CANCEL 0 /* undo unloop */
395#define EVUNLOOP_ONE 1 /* unloop once */
396#define EVUNLOOP_ALL 2 /* unloop all loops */
397
204#if EV_PROTOTYPES 398#if EV_PROTOTYPES
205void ev_loop (int flags); 399void ev_loop (EV_P_ int flags);
206extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 400void 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 */
401
402/*
403 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
404 * keeps one reference. if you have a long-runing watcher you never unregister that
405 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
406 */
407void ev_ref (EV_P);
408void ev_unref (EV_P);
207 409
208/* convinience function, wait for a single event, without registering an event watcher */ 410/* convinience function, wait for a single event, without registering an event watcher */
209/* if timeout is < 0, do wait indefinitely */ 411/* if timeout is < 0, do wait indefinitely */
210void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 412void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
211#endif 413#endif
212 414
213/* these may evaluate ev multiple times, and the other arguments at most once */ 415/* these may evaluate ev multiple times, and the other arguments at most once */
214/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 416/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
215#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 417#define ev_init(ev,cb_) do { \
418 ((ev_watcher *)(void *)(ev))->active = \
419 ((ev_watcher *)(void *)(ev))->pending = \
420 ((ev_watcher *)(void *)(ev))->priority = 0; \
421 ev_set_cb ((ev), cb_); \
422} while (0)
216 423
217#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 424#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
218#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 425#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
219#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 426#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
220#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 427#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
428#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
429#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
221#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 430#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
222#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 431#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
223#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 432#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
224#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 433#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
434#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
225 435
226#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 436#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
227#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 437#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
228#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 438#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
229#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 439#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
230#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
231#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
232#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
233#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 440#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
441#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
442#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
443#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
444#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
445#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
446#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
234 447
448#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
235#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 449#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
450
451#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
452#define ev_cb(ev) (ev)->cb /* rw */
236#define ev_set_priority(ev,pri) (ev)->priority = pri 453#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
454
455#ifndef ev_set_cb
456# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
457#endif
237 458
238/* stopping (enabling, adding) a watcher does nothing if it is already running */ 459/* stopping (enabling, adding) a watcher does nothing if it is already running */
239/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 460/* stopping (disabling, deleting) a watcher does nothing unless its already running */
240#if EV_PROTOTYPES 461#if EV_PROTOTYPES
462
463/* feeds an event into a watcher as if the event actually occured */
464/* accepts any ev_watcher type */
465void ev_feed_event (EV_P_ void *w, int revents);
466void ev_feed_fd_event (EV_P_ int fd, int revents);
467void ev_feed_signal_event (EV_P_ int signum);
468
241void ev_io_start (struct ev_io *w); 469void ev_io_start (EV_P_ ev_io *w);
242void ev_io_stop (struct ev_io *w); 470void ev_io_stop (EV_P_ ev_io *w);
243 471
244void ev_timer_start (struct ev_timer *w); 472void ev_timer_start (EV_P_ ev_timer *w);
245void ev_timer_stop (struct ev_timer *w); 473void ev_timer_stop (EV_P_ ev_timer *w);
246void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 474/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
475void ev_timer_again (EV_P_ ev_timer *w);
247 476
477#if EV_PERIODIC_ENABLE
248void ev_periodic_start (struct ev_periodic *w); 478void ev_periodic_start (EV_P_ ev_periodic *w);
249void ev_periodic_stop (struct ev_periodic *w); 479void ev_periodic_stop (EV_P_ ev_periodic *w);
480void ev_periodic_again (EV_P_ ev_periodic *w);
481#endif
250 482
483/* only supported in the default loop */
251void ev_signal_start (struct ev_signal *w); 484void ev_signal_start (EV_P_ ev_signal *w);
252void ev_signal_stop (struct ev_signal *w); 485void ev_signal_stop (EV_P_ ev_signal *w);
253 486
487/* only supported in the default loop */
488void ev_child_start (EV_P_ ev_child *w);
489void ev_child_stop (EV_P_ ev_child *w);
490
491# if EV_STAT_ENABLE
492void ev_stat_start (EV_P_ ev_stat *w);
493void ev_stat_stop (EV_P_ ev_stat *w);
494void ev_stat_stat (EV_P_ ev_stat *w);
495# endif
496
254void ev_idle_start (struct ev_idle *w); 497void ev_idle_start (EV_P_ ev_idle *w);
255void ev_idle_stop (struct ev_idle *w); 498void ev_idle_stop (EV_P_ ev_idle *w);
256 499
257void ev_prepare_start (struct ev_prepare *w); 500void ev_prepare_start (EV_P_ ev_prepare *w);
258void ev_prepare_stop (struct ev_prepare *w); 501void ev_prepare_stop (EV_P_ ev_prepare *w);
259 502
260void ev_check_start (struct ev_check *w); 503void ev_check_start (EV_P_ ev_check *w);
261void ev_check_stop (struct ev_check *w); 504void ev_check_stop (EV_P_ ev_check *w);
262 505
263void ev_child_start (struct ev_child *w); 506# if EV_FORK_ENABLE
264void ev_child_stop (struct ev_child *w); 507void ev_fork_start (EV_P_ ev_fork *w);
508void ev_fork_stop (EV_P_ ev_fork *w);
509# endif
510
511# if EV_EMBED_ENABLE
512/* only supported when loop to be embedded is in fact embeddable */
513void ev_embed_start (EV_P_ ev_embed *w);
514void ev_embed_stop (EV_P_ ev_embed *w);
515void ev_embed_sweep (EV_P_ ev_embed *w);
516# endif
517
265#endif 518#endif
266 519
267#ifdef __cplusplus 520#ifdef __cplusplus
268} 521}
269#endif 522#endif

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