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Comparing libev/ev.h (file contents):
Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC vs.
Revision 1.88 by root, Sat Dec 22 05:48:00 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
… …
44# define EV_MAXPRI +2 44# define EV_MAXPRI +2
45#endif 45#endif
46 46
47#ifndef EV_MULTIPLICITY 47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1 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_IDLE_ENABLE
60# define EV_IDLE_ENABLE 1
61#endif
62
63#ifndef EV_FORK_ENABLE
64# define EV_FORK_ENABLE 1
65#endif
66
67#ifndef EV_EMBED_ENABLE
68# define EV_EMBED_ENABLE 1
69#endif
70
71/*****************************************************************************/
72
73#if EV_STAT_ENABLE
74# include <sys/stat.h>
49#endif 75#endif
50 76
51/* support multiple event loops? */ 77/* support multiple event loops? */
52#if EV_MULTIPLICITY 78#if EV_MULTIPLICITY
53struct ev_loop; 79struct ev_loop;
54# define EV_P struct ev_loop *loop 80# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 81# define EV_P_ EV_P,
56# define EV_A loop 82# define EV_A loop
57# define EV_A_ EV_A, 83# define EV_A_ EV_A,
84# define EV_DEFAULT ev_default_loop (0)
85# define EV_DEFAULT_ EV_DEFAULT,
58#else 86#else
59# define EV_P void 87# define EV_P void
60# define EV_P_ 88# define EV_P_
61# define EV_A 89# define EV_A
62# define EV_A_ 90# define EV_A_
91# define EV_DEFAULT
92# define EV_DEFAULT_
93
94# undef EV_EMBED_ENABLE
63#endif 95#endif
64 96
65/* eventmask, revents, events... */ 97/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 98#define EV_UNDEF -1L /* guaranteed to be invalid */
67#define EV_NONE 0x00 99#define EV_NONE 0x00L /* no events */
68#define EV_READ 0x01 100#define EV_READ 0x01L /* ev_io detected read will not block */
69#define EV_WRITE 0x02 101#define EV_WRITE 0x02L /* ev_io detected write will not block */
70#define EV_TIMEOUT 0x000100 102#define EV_IOFDSET 0x80L /* internal use only */
71#define EV_PERIODIC 0x000200 103#define EV_TIMEOUT 0x00000100L /* timer timed out */
72#define EV_SIGNAL 0x000400 104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
73#define EV_IDLE 0x000800 105#define EV_SIGNAL 0x00000400L /* signal was received */
74#define EV_CHECK 0x001000 106#define EV_CHILD 0x00000800L /* child/pid had status change */
75#define EV_PREPARE 0x002000 107#define EV_STAT 0x00001000L /* stat data changed */
76#define EV_CHILD 0x004000 108#define EV_IDLE 0x00002000L /* event loop is idling */
109#define EV_PREPARE 0x00004000L /* event loop about to poll */
110#define EV_CHECK 0x00008000L /* event loop finished poll */
111#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
112#define EV_FORK 0x00020000L /* event loop resumed in child */
77#define EV_ERROR 0x800000 /* sent when an error occurs */ 113#define EV_ERROR 0x80000000L /* sent when an error occurs */
78 114
79/* can be used to add custom fields to all watchers */ 115/* can be used to add custom fields to all watchers, while losing binary compatibility */
80#ifndef EV_COMMON 116#ifndef EV_COMMON
81# define EV_COMMON void *data 117# define EV_COMMON void *data;
82#endif 118#endif
83#ifndef EV_PROTOTYPES 119#ifndef EV_PROTOTYPES
84# define EV_PROTOTYPES 1 120# define EV_PROTOTYPES 1
85#endif 121#endif
86 122
87#define EV_VERSION_MAJOR 1 123#define EV_VERSION_MAJOR 2
88#define EV_VERSION_MINOR 1 124#define EV_VERSION_MINOR 0
125
126#ifndef EV_CB_DECLARE
127# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
128#endif
129#ifndef EV_CB_INVOKE
130# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
131#endif
89 132
90/* 133/*
91 * struct member types: 134 * struct member types:
92 * private: you can look at them, but not change them, and they might not mean anything to you. 135 * private: you can look at them, but not change them, and they might not mean anything to you.
93 * ro: can be read anytime, but only changed when the watcher isn't active 136 * ro: can be read anytime, but only changed when the watcher isn't active
… …
96 139
97/* shared by all watchers */ 140/* shared by all watchers */
98#define EV_WATCHER(type) \ 141#define EV_WATCHER(type) \
99 int active; /* private */ \ 142 int active; /* private */ \
100 int pending; /* private */ \ 143 int pending; /* private */ \
101 int priority; /* ro */ \ 144 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 145 EV_COMMON /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 146 EV_CB_DECLARE (type) /* private */
104 147
105#define EV_WATCHER_LIST(type) \ 148#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 149 EV_WATCHER (type) \
107 struct ev_watcher_list *next /* private */ 150 struct ev_watcher_list *next; /* private */
108 151
109#define EV_WATCHER_TIME(type) \ 152#define EV_WATCHER_TIME(type) \
110 EV_WATCHER (type); \ 153 EV_WATCHER (type) \
111 ev_tstamp at /* private */ 154 ev_tstamp at; /* private */
112 155
113/* base class, nothing to see here unless you subclass */ 156/* base class, nothing to see here unless you subclass */
114struct ev_watcher { 157typedef struct ev_watcher
158{
115 EV_WATCHER (ev_watcher); 159 EV_WATCHER (ev_watcher)
116}; 160} ev_watcher;
117 161
118/* base class, nothing to see here unless you subclass */ 162/* base class, nothing to see here unless you subclass */
119struct ev_watcher_list { 163typedef struct ev_watcher_list
164{
120 EV_WATCHER_LIST (ev_watcher_list); 165 EV_WATCHER_LIST (ev_watcher_list)
121}; 166} ev_watcher_list;
122 167
123/* base class, nothing to see here unless you subclass */ 168/* base class, nothing to see here unless you subclass */
124struct ev_watcher_time { 169typedef struct ev_watcher_time
170{
125 EV_WATCHER_TIME (ev_watcher_time); 171 EV_WATCHER_TIME (ev_watcher_time)
126}; 172} ev_watcher_time;
173
174/* invoked when fd is either EV_READable or EV_WRITEable */
175/* revent EV_READ, EV_WRITE */
176typedef struct ev_io
177{
178 EV_WATCHER_LIST (ev_io)
179
180 int fd; /* ro */
181 int events; /* ro */
182} ev_io;
127 183
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 184/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 185/* revent EV_TIMEOUT */
130struct ev_timer 186typedef struct ev_timer
131{ 187{
132 EV_WATCHER_TIME (ev_timer); 188 EV_WATCHER_TIME (ev_timer)
133 189
134 ev_tstamp repeat; /* rw */ 190 ev_tstamp repeat; /* rw */
135}; 191} ev_timer;
136 192
137/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 193/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138/* revent EV_PERIODIC */ 194/* revent EV_PERIODIC */
139struct ev_periodic 195typedef struct ev_periodic
140{ 196{
141 EV_WATCHER_TIME (ev_periodic); 197 EV_WATCHER_TIME (ev_periodic)
142 198
199 ev_tstamp offset; /* rw */
143 ev_tstamp interval; /* rw */ 200 ev_tstamp interval; /* rw */
144}; 201 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145 202} ev_periodic;
146/* invoked when fd is either EV_READable or EV_WRITEable */
147/* revent EV_READ, EV_WRITE */
148struct ev_io
149{
150 EV_WATCHER_LIST (ev_io);
151
152 int fd; /* ro */
153 int events; /* ro */
154};
155 203
156/* invoked when the given signal has been received */ 204/* invoked when the given signal has been received */
157/* revent EV_SIGNAL */ 205/* revent EV_SIGNAL */
158struct ev_signal 206typedef struct ev_signal
159{ 207{
160 EV_WATCHER_LIST (ev_signal); 208 EV_WATCHER_LIST (ev_signal)
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
164 209
165 int signum; /* ro */ 210 int signum; /* ro */
166}; 211} ev_signal;
167 212
213/* invoked when sigchld is received and waitpid indicates the given pid */
214/* revent EV_CHILD */
215/* does not support priorities */
216typedef struct ev_child
217{
218 EV_WATCHER_LIST (ev_child)
219
220 int pid; /* ro */
221 int rpid; /* rw, holds the received pid */
222 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223} ev_child;
224
225#if EV_STAT_ENABLE
226/* st_nlink = 0 means missing file or other error */
227# ifdef _WIN32
228typedef struct _stati64 ev_statdata;
229# else
230typedef struct stat ev_statdata;
231# endif
232
233/* invoked each time the stat data changes for a given path */
234/* revent EV_STAT */
235typedef struct ev_stat
236{
237 EV_WATCHER_LIST (ev_stat)
238
239 ev_timer timer; /* private */
240 ev_tstamp interval; /* ro */
241 const char *path; /* ro */
242 ev_statdata prev; /* ro */
243 ev_statdata attr; /* ro */
244
245 int wd; /* wd for inotify, fd for kqueue */
246} ev_stat;
247#endif
248
249#if EV_IDLE_ENABLE
168/* invoked when the nothing else needs to be done, keeps the process from blocking */ 250/* invoked when the nothing else needs to be done, keeps the process from blocking */
169/* revent EV_IDLE */ 251/* revent EV_IDLE */
170struct ev_idle 252typedef struct ev_idle
171{ 253{
172 EV_WATCHER (ev_idle); 254 EV_WATCHER (ev_idle)
173}; 255} ev_idle;
256#endif
174 257
175/* invoked for each run of the mainloop, just before the blocking call */ 258/* invoked for each run of the mainloop, just before the blocking call */
176/* you can still change events in any way you like */ 259/* you can still change events in any way you like */
177/* revent EV_PREPARE */ 260/* revent EV_PREPARE */
178struct ev_prepare 261typedef struct ev_prepare
179{ 262{
180 EV_WATCHER (ev_prepare); 263 EV_WATCHER (ev_prepare)
181}; 264} ev_prepare;
182 265
183/* invoked for each run of the mainloop, just after the blocking call */ 266/* invoked for each run of the mainloop, just after the blocking call */
184/* revent EV_CHECK */ 267/* revent EV_CHECK */
185struct ev_check 268typedef struct ev_check
186{ 269{
187 EV_WATCHER (ev_check); 270 EV_WATCHER (ev_check)
271} ev_check;
272
273#if EV_FORK_ENABLE
274/* the callback gets invoked before check in the child process when a fork was detected */
275typedef struct ev_fork
276{
277 EV_WATCHER (ev_fork)
278} ev_fork;
279#endif
280
281#if EV_EMBED_ENABLE
282/* used to embed an event loop inside another */
283/* the callback gets invoked when the event loop has handled events, and can be 0 */
284typedef struct ev_embed
285{
286 EV_WATCHER (ev_embed)
287
288 struct ev_loop *other; /* ro */
289 ev_io io; /* private */
290 ev_prepare prepare; /* private */
291 ev_check check; /* unused */
292 ev_timer timer; /* unused */
293 ev_periodic periodic; /* unused */
294 ev_idle idle; /* unused */
295 ev_fork fork; /* unused */
296} ev_embed;
297#endif
298
299/* the presence of this union forces similar struct layout */
300union ev_any_watcher
301{
302 struct ev_watcher w;
303 struct ev_watcher_list wl;
304
305 struct ev_io io;
306 struct ev_timer timer;
307 struct ev_periodic periodic;
308 struct ev_signal signal;
309 struct ev_child child;
310#if EV_STAT_ENABLE
311 struct ev_stat stat;
312#endif
313#if EV_IDLE_ENABLE
314 struct ev_idle idle;
315#endif
316 struct ev_prepare prepare;
317 struct ev_check check;
318#if EV_FORK_ENABLE
319 struct ev_fork fork;
320#endif
321#if EV_EMBED_ENABLE
322 struct ev_embed embed;
323#endif
188}; 324};
189 325
190/* invoked when sigchld is received and waitpid indicates the givne pid */ 326/* bits for ev_default_loop and ev_loop_new */
191/* revent EV_CHILD */ 327/* the default */
192/* does not support priorities */ 328#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
193struct ev_child 329/* flag bits */
194{ 330#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
195 EV_WATCHER_LIST (ev_child); 331#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
196 332/* method bits to be ored together */
197 int pid; /* ro */ 333#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
198 int rpid; /* rw, holds the received pid */ 334#define EVBACKEND_POLL 0x00000002UL /* !win */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 335#define EVBACKEND_EPOLL 0x00000004UL /* linux */
200}; 336#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
201 337#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
202#define EVMETHOD_AUTO 0 /* consults environment */ 338#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
203#define EVMETHOD_SELECT 1
204#define EVMETHOD_POLL 2
205#define EVMETHOD_EPOLL 4
206#define EVMETHOD_KQUEUE 8
207#define EVMETHOD_DEVPOLL 16 /* NYI */
208#define EVMETHOD_PORT 32 /* NYI */
209#define EVMETHOD_ANY ~0 /* any method, do not consult env */
210 339
211#if EV_PROTOTYPES 340#if EV_PROTOTYPES
212int ev_version_major (void); 341int ev_version_major (void);
213int ev_version_minor (void); 342int ev_version_minor (void);
214 343
215/* these three calls are suitable for plugging into pthread_atfork */ 344unsigned int ev_supported_backends (void);
216void ev_fork_prepare (void); 345unsigned int ev_recommended_backends (void);
217void ev_fork_parent (void); 346unsigned int ev_embeddable_backends (void);
218void ev_fork_child (void);
219 347
220ev_tstamp ev_time (void); 348ev_tstamp ev_time (void);
349void ev_sleep (ev_tstamp delay); /* sleep for a while */
350
351/* Sets the allocation function to use, works like realloc.
352 * It is used to allocate and free memory.
353 * If it returns zero when memory needs to be allocated, the library might abort
354 * or take some potentially destructive action.
355 * The default is your system realloc function.
356 */
357void ev_set_allocator (void *(*cb)(void *ptr, long size));
358
359/* set the callback function to call on a
360 * retryable syscall error
361 * (such as failed select, poll, epoll_wait)
362 */
363void ev_set_syserr_cb (void (*cb)(const char *msg));
221 364
222# if EV_MULTIPLICITY 365# if EV_MULTIPLICITY
366/* the default loop is the only one that handles signals and child watchers */
367/* you can call this as often as you like */
368static struct ev_loop *
369ev_default_loop (unsigned int flags)
370{
371 extern struct ev_loop *ev_default_loop_ptr;
372 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
373
374 if (!ev_default_loop_ptr)
375 ev_default_loop_init (flags);
376
377 return ev_default_loop_ptr;
378}
379
380/* create and destroy alternative loops that don't handle signals */
223struct ev_loop *ev_loop_new (int methods); 381struct ev_loop *ev_loop_new (unsigned int flags);
224void ev_loop_delete (EV_P); 382void ev_loop_destroy (EV_P);
383void ev_loop_fork (EV_P);
384
385ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
386
225# else 387# else
226int ev_init (int methods); /* returns ev_method */ 388
389int ev_default_loop (unsigned int flags); /* returns true when successful */
390
391static ev_tstamp
392ev_now (void)
393{
394 extern ev_tstamp ev_rt_now;
395
396 return ev_rt_now;
397}
227# endif 398# endif
228 399
229int ev_method (EV_P); 400void ev_default_destroy (void); /* destroy the default loop */
401/* this needs to be called after fork, to duplicate the default loop */
402/* if you create alternative loops you have to call ev_loop_fork on them */
403/* you can call it in either the parent or the child */
404/* you can actually call it at any time, anywhere :) */
405void ev_default_fork (void);
230 406
407unsigned int ev_backend (EV_P); /* backend in use by loop */
408unsigned int ev_loop_count (EV_P); /* number of loop iterations */
231#endif 409#endif
232 410
233#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 411#define EVLOOP_NONBLOCK 1 /* do not block/wait */
234#define EVLOOP_ONESHOT 2 /* block *once* only */ 412#define EVLOOP_ONESHOT 2 /* block *once* only */
413#define EVUNLOOP_CANCEL 0 /* undo unloop */
235#define EVUNLOOP_ONCE 1 /* unloop once */ 414#define EVUNLOOP_ONE 1 /* unloop once */
236#define EVUNLOOP_ALL 2 /* unloop all loops */ 415#define EVUNLOOP_ALL 2 /* unloop all loops */
237 416
238#if EV_PROTOTYPES 417#if EV_PROTOTYPES
239void ev_loop (EV_P_ int flags); 418void ev_loop (EV_P_ int flags);
240void 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 */ 419void 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 */
241 420
242ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ 421void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
422void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
243 423
244/* 424/*
245 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 425 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
246 * keeps one reference. if you have a long-runing watcher you never unregister that 426 * keeps one reference. if you have a long-runing watcher you never unregister that
247 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 427 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
253/* if timeout is < 0, do wait indefinitely */ 433/* if timeout is < 0, do wait indefinitely */
254void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 434void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
255#endif 435#endif
256 436
257/* these may evaluate ev multiple times, and the other arguments at most once */ 437/* these may evaluate ev multiple times, and the other arguments at most once */
258/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 438/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
259#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 439#define ev_init(ev,cb_) do { \
440 ((ev_watcher *)(void *)(ev))->active = \
441 ((ev_watcher *)(void *)(ev))->pending = \
442 ((ev_watcher *)(void *)(ev))->priority = 0; \
443 ev_set_cb ((ev), cb_); \
444} while (0)
260 445
261#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 446#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
262#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 447#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
263#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 448#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
264#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 449#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
450#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
451#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
265#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 452#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
266#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 453#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
267#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 454#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
268#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 455#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
456#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
269 457
270#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 458#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
271#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 459#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
272#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 460#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
273#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 461#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
274#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
275#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
276#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
277#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 462#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
463#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
464#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
465#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
466#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
467#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
468#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
278 469
470#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
279#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 471#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
472
473#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
474#define ev_cb(ev) (ev)->cb /* rw */
280#define ev_set_priority(ev,pri) (ev)->priority = pri 475#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
476
477#ifndef ev_set_cb
478# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
479#endif
281 480
282/* stopping (enabling, adding) a watcher does nothing if it is already running */ 481/* stopping (enabling, adding) a watcher does nothing if it is already running */
283/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 482/* stopping (disabling, deleting) a watcher does nothing unless its already running */
284#if EV_PROTOTYPES 483#if EV_PROTOTYPES
484
485/* feeds an event into a watcher as if the event actually occured */
486/* accepts any ev_watcher type */
487void ev_feed_event (EV_P_ void *w, int revents);
488void ev_feed_fd_event (EV_P_ int fd, int revents);
489void ev_feed_signal_event (EV_P_ int signum);
490void ev_invoke (EV_P_ void *w, int revents);
491int ev_clear_pending (EV_P_ void *w);
492
285void ev_io_start (EV_P_ struct ev_io *w); 493void ev_io_start (EV_P_ ev_io *w);
286void ev_io_stop (EV_P_ struct ev_io *w); 494void ev_io_stop (EV_P_ ev_io *w);
287 495
288void ev_timer_start (EV_P_ struct ev_timer *w); 496void ev_timer_start (EV_P_ ev_timer *w);
289void ev_timer_stop (EV_P_ struct ev_timer *w); 497void ev_timer_stop (EV_P_ ev_timer *w);
290void ev_timer_again (EV_P_ struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 498/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
499void ev_timer_again (EV_P_ ev_timer *w);
291 500
501#if EV_PERIODIC_ENABLE
292void ev_periodic_start (EV_P_ struct ev_periodic *w); 502void ev_periodic_start (EV_P_ ev_periodic *w);
293void ev_periodic_stop (EV_P_ struct ev_periodic *w); 503void ev_periodic_stop (EV_P_ ev_periodic *w);
504void ev_periodic_again (EV_P_ ev_periodic *w);
505#endif
294 506
507/* only supported in the default loop */
295void ev_signal_start (EV_P_ struct ev_signal *w); 508void ev_signal_start (EV_P_ ev_signal *w);
296void ev_signal_stop (EV_P_ struct ev_signal *w); 509void ev_signal_stop (EV_P_ ev_signal *w);
297 510
511/* only supported in the default loop */
512void ev_child_start (EV_P_ ev_child *w);
513void ev_child_stop (EV_P_ ev_child *w);
514
515# if EV_STAT_ENABLE
516void ev_stat_start (EV_P_ ev_stat *w);
517void ev_stat_stop (EV_P_ ev_stat *w);
518void ev_stat_stat (EV_P_ ev_stat *w);
519# endif
520
521# if EV_IDLE_ENABLE
298void ev_idle_start (EV_P_ struct ev_idle *w); 522void ev_idle_start (EV_P_ ev_idle *w);
299void ev_idle_stop (EV_P_ struct ev_idle *w); 523void ev_idle_stop (EV_P_ ev_idle *w);
524# endif
300 525
301void ev_prepare_start (EV_P_ struct ev_prepare *w); 526void ev_prepare_start (EV_P_ ev_prepare *w);
302void ev_prepare_stop (EV_P_ struct ev_prepare *w); 527void ev_prepare_stop (EV_P_ ev_prepare *w);
303 528
304void ev_check_start (EV_P_ struct ev_check *w); 529void ev_check_start (EV_P_ ev_check *w);
305void ev_check_stop (EV_P_ struct ev_check *w); 530void ev_check_stop (EV_P_ ev_check *w);
306 531
532# if EV_FORK_ENABLE
533void ev_fork_start (EV_P_ ev_fork *w);
534void ev_fork_stop (EV_P_ ev_fork *w);
535# endif
536
537# if EV_EMBED_ENABLE
538/* only supported when loop to be embedded is in fact embeddable */
307void ev_child_start (EV_P_ struct ev_child *w); 539void ev_embed_start (EV_P_ ev_embed *w);
308void ev_child_stop (EV_P_ struct ev_child *w); 540void ev_embed_stop (EV_P_ ev_embed *w);
541void ev_embed_sweep (EV_P_ ev_embed *w);
542# endif
543
309#endif 544#endif
310 545
311#ifdef __cplusplus 546#ifdef __cplusplus
312} 547}
313#endif 548#endif

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