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Comparing libev/ev.h (file contents):
Revision 1.27 by root, Sat Nov 3 21:58:51 2007 UTC vs.
Revision 1.76 by root, Thu Nov 29 17:28:13 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#if EV_STAT_ENABLE
70# include <sys/stat.h>
71#endif
72
73/* support multiple event loops? */
74#if EV_MULTIPLICITY
75struct ev_loop;
76# define EV_P struct ev_loop *loop
77# define EV_P_ EV_P,
78# define EV_A loop
79# define EV_A_ EV_A,
80# define EV_DEFAULT ev_default_loop (0)
81# define EV_DEFAULT_ EV_DEFAULT,
82#else
47#define EV_P void 83# define EV_P void
48#define EV_P_ 84# define EV_P_
49#define EV_A 85# define EV_A
50#define EV_A_ 86# define EV_A_
87# define EV_DEFAULT
88# define EV_DEFAULT_
89
90# undef EV_EMBED_ENABLE
91#endif
51 92
52/* eventmask, revents, events... */ 93/* eventmask, revents, events... */
53#define EV_UNDEF -1 /* guaranteed to be invalid */ 94#define EV_UNDEF -1L /* guaranteed to be invalid */
54#define EV_NONE 0x00 95#define EV_NONE 0x00L /* no events */
55#define EV_READ 0x01 96#define EV_READ 0x01L /* ev_io detected read will not block */
56#define EV_WRITE 0x02 97#define EV_WRITE 0x02L /* ev_io detected write will not block */
57#define EV_TIMEOUT 0x000100 98#define EV_TIMEOUT 0x00000100L /* timer timed out */
58#define EV_PERIODIC 0x000200 99#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
59#define EV_SIGNAL 0x000400 100#define EV_SIGNAL 0x00000400L /* signal was received */
60#define EV_IDLE 0x000800 101#define EV_CHILD 0x00000800L /* child/pid had status change */
61#define EV_CHECK 0x001000 102#define EV_STAT 0x00001000L /* stat data changed */
62#define EV_PREPARE 0x002000 103#define EV_IDLE 0x00002000L /* event loop is idling */
63#define EV_CHILD 0x004000 104#define EV_PREPARE 0x00004000L /* event loop about to poll */
105#define EV_CHECK 0x00008000L /* event loop finished poll */
106#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
107#define EV_FORK 0x00020000L /* event loop resumed in child */
64#define EV_ERROR 0x800000 /* sent when an error occurs */ 108#define EV_ERROR 0x80000000L /* sent when an error occurs */
65 109
66/* can be used to add custom fields to all watchers */ 110/* can be used to add custom fields to all watchers, while losing binary compatibility */
67#ifndef EV_COMMON 111#ifndef EV_COMMON
68# define EV_COMMON void *data 112# define EV_COMMON void *data;
69#endif 113#endif
70#ifndef EV_PROTOTYPES 114#ifndef EV_PROTOTYPES
71# define EV_PROTOTYPES 1 115# define EV_PROTOTYPES 1
72#endif 116#endif
73 117
74#define EV_VERSION_MAJOR 1 118#define EV_VERSION_MAJOR 1
75#define EV_VERSION_MINOR 1 119#define EV_VERSION_MINOR 1
120
121#ifndef EV_CB_DECLARE
122# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
123#endif
124#ifndef EV_CB_INVOKE
125# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
126#endif
76 127
77/* 128/*
78 * struct member types: 129 * struct member types:
79 * private: you can look at them, but not change them, and they might not mean anything to you. 130 * private: you can look at them, but not change them, and they might not mean anything to you.
80 * ro: can be read anytime, but only changed when the watcher isn't active 131 * ro: can be read anytime, but only changed when the watcher isn't active
… …
83 134
84/* shared by all watchers */ 135/* shared by all watchers */
85#define EV_WATCHER(type) \ 136#define EV_WATCHER(type) \
86 int active; /* private */ \ 137 int active; /* private */ \
87 int pending; /* private */ \ 138 int pending; /* private */ \
88 int priority; /* ro */ \ 139 int priority; /* private */ \
89 EV_COMMON; /* rw */ \ 140 EV_COMMON /* rw */ \
90 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 141 EV_CB_DECLARE (type) /* private */
91 142
92#define EV_WATCHER_LIST(type) \ 143#define EV_WATCHER_LIST(type) \
93 EV_WATCHER (type); \ 144 EV_WATCHER (type) \
94 struct ev_watcher_list *next /* private */ 145 struct ev_watcher_list *next; /* private */
95 146
96#define EV_WATCHER_TIME(type) \ 147#define EV_WATCHER_TIME(type) \
97 EV_WATCHER (type); \ 148 EV_WATCHER (type) \
98 ev_tstamp at /* private */ 149 ev_tstamp at; /* private */
99 150
100/* base class, nothing to see here unless you subclass */ 151/* base class, nothing to see here unless you subclass */
101struct ev_watcher { 152typedef struct ev_watcher
153{
102 EV_WATCHER (ev_watcher); 154 EV_WATCHER (ev_watcher)
103}; 155} ev_watcher;
104 156
105/* base class, nothing to see here unless you subclass */ 157/* base class, nothing to see here unless you subclass */
106struct ev_watcher_list { 158typedef struct ev_watcher_list
159{
107 EV_WATCHER_LIST (ev_watcher_list); 160 EV_WATCHER_LIST (ev_watcher_list)
108}; 161} ev_watcher_list;
109 162
110/* base class, nothing to see here unless you subclass */ 163/* base class, nothing to see here unless you subclass */
111struct ev_watcher_time { 164typedef struct ev_watcher_time
165{
112 EV_WATCHER_TIME (ev_watcher_time); 166 EV_WATCHER_TIME (ev_watcher_time)
113}; 167} ev_watcher_time;
168
169/* invoked when fd is either EV_READable or EV_WRITEable */
170/* revent EV_READ, EV_WRITE */
171typedef struct ev_io
172{
173 EV_WATCHER_LIST (ev_io)
174
175 int fd; /* ro */
176 int events; /* ro */
177} ev_io;
114 178
115/* invoked after a specific time, repeatable (based on monotonic clock) */ 179/* invoked after a specific time, repeatable (based on monotonic clock) */
116/* revent EV_TIMEOUT */ 180/* revent EV_TIMEOUT */
117struct ev_timer 181typedef struct ev_timer
118{ 182{
119 EV_WATCHER_TIME (ev_timer); 183 EV_WATCHER_TIME (ev_timer)
120 184
121 ev_tstamp repeat; /* rw */ 185 ev_tstamp repeat; /* rw */
122}; 186} ev_timer;
123 187
124/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 188/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
125/* revent EV_PERIODIC */ 189/* revent EV_PERIODIC */
126struct ev_periodic 190typedef struct ev_periodic
127{ 191{
128 EV_WATCHER_TIME (ev_periodic); 192 EV_WATCHER_TIME (ev_periodic)
129 193
130 ev_tstamp interval; /* rw */ 194 ev_tstamp interval; /* rw */
131}; 195 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
132 196} ev_periodic;
133/* invoked when fd is either EV_READable or EV_WRITEable */
134/* revent EV_READ, EV_WRITE */
135struct ev_io
136{
137 EV_WATCHER_LIST (ev_io);
138
139 int fd; /* ro */
140 int events; /* ro */
141};
142 197
143/* invoked when the given signal has been received */ 198/* invoked when the given signal has been received */
144/* revent EV_SIGNAL */ 199/* revent EV_SIGNAL */
145struct ev_signal 200typedef struct ev_signal
146{ 201{
147 EV_WATCHER_LIST (ev_signal); 202 EV_WATCHER_LIST (ev_signal)
148 203
149 int signum; /* ro */ 204 int signum; /* ro */
150}; 205} ev_signal;
206
207/* invoked when sigchld is received and waitpid indicates the given pid */
208/* revent EV_CHILD */
209/* does not support priorities */
210typedef struct ev_child
211{
212 EV_WATCHER_LIST (ev_child)
213
214 int pid; /* ro */
215 int rpid; /* rw, holds the received pid */
216 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217} ev_child;
218
219#if EV_STAT_ENABLE
220/* st_nlink = 0 means missing file or other error */
221# ifdef _WIN32
222typedef struct _stati64 ev_statdata;
223# else
224typedef struct stat ev_statdata;
225# endif
226
227/* invoked each time the stat data changes for a given path */
228/* revent EV_STAT */
229typedef struct ev_stat
230{
231 EV_WATCHER_LIST (ev_stat)
232
233 ev_timer timer; /* private */
234 ev_tstamp interval; /* ro */
235 const char *path; /* ro */
236 ev_statdata prev; /* ro */
237 ev_statdata attr; /* ro */
238
239 int wd; /* wd for inotify, fd for kqueue */
240} ev_stat;
241#endif
151 242
152/* 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 */
153/* revent EV_IDLE */ 244/* revent EV_IDLE */
154struct ev_idle 245typedef struct ev_idle
155{ 246{
156 EV_WATCHER (ev_idle); 247 EV_WATCHER (ev_idle)
157}; 248} ev_idle;
158 249
159/* 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 */
160/* you can still change events in any way you like */ 251/* you can still change events in any way you like */
161/* revent EV_PREPARE */ 252/* revent EV_PREPARE */
162struct ev_prepare 253typedef struct ev_prepare
163{ 254{
164 EV_WATCHER (ev_prepare); 255 EV_WATCHER (ev_prepare)
165}; 256} ev_prepare;
166 257
167/* 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 */
168/* revent EV_CHECK */ 259/* revent EV_CHECK */
169struct ev_check 260typedef struct ev_check
170{ 261{
171 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
172}; 308};
173 309
174/* invoked when sigchld is received and waitpid indicates the givne pid */ 310/* bits for ev_default_loop and ev_loop_new */
175/* revent EV_CHILD */ 311/* the default */
176/* does not support priorities */ 312#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
177struct ev_child 313/* flag bits */
178{ 314#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
179 EV_WATCHER_LIST (ev_child); 315#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
316/* method bits to be ored together */
317#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
318#define EVBACKEND_POLL 0x00000002UL /* !win */
319#define EVBACKEND_EPOLL 0x00000004UL /* linux */
320#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
321#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
322#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
180 323
181 int pid; /* ro */
182 int rpid; /* rw, holds the received pid */
183 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
184};
185
186#define EVMETHOD_AUTO 0 /* consults environment */
187#define EVMETHOD_SELECT 1
188#define EVMETHOD_POLL 2
189#define EVMETHOD_EPOLL 4
190#define EVMETHOD_KQUEUE 8
191#define EVMETHOD_DEVPOLL 16 /* NYI */
192#define EVMETHOD_PORT 32 /* NYI */
193#define EVMETHOD_ANY ~0 /* any method, do not consult env */
194#if EV_PROTOTYPES 324#if EV_PROTOTYPES
195int ev_method (EV_P);
196int ev_init (EV_P_ int methods); /* returns ev_method */
197int ev_version_major (void); 325int ev_version_major (void);
198int ev_version_minor (void); 326int ev_version_minor (void);
199 327
200/* these three calls are suitable for plugging into pthread_atfork */ 328unsigned int ev_supported_backends (void);
201void ev_fork_prepare (void); 329unsigned int ev_recommended_backends (void);
202void ev_fork_parent (void); 330unsigned int ev_embeddable_backends (void);
203void ev_fork_child (void);
204 331
205ev_tstamp ev_time (void); 332ev_tstamp ev_time (void);
333
334/* Sets the allocation function to use, works like realloc.
335 * It is used to allocate and free memory.
336 * If it returns zero when memory needs to be allocated, the library might abort
337 * or take some potentially destructive action.
338 * The default is your system realloc function.
339 */
340void ev_set_allocator (void *(*cb)(void *ptr, long size));
341
342/* set the callback function to call on a
343 * retryable syscall error
344 * (such as failed select, poll, epoll_wait)
345 */
346void ev_set_syserr_cb (void (*cb)(const char *msg));
347
348# if EV_MULTIPLICITY
349/* the default loop is the only one that handles signals and child watchers */
350/* you can call this as often as you like */
351static struct ev_loop *
352ev_default_loop (unsigned int flags)
353{
354 extern struct ev_loop *ev_default_loop_ptr;
355 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
356
357 if (!ev_default_loop_ptr)
358 ev_default_loop_init (flags);
359
360 return ev_default_loop_ptr;
361}
362
363/* create and destroy alternative loops that don't handle signals */
364struct ev_loop *ev_loop_new (unsigned int flags);
365void ev_loop_destroy (EV_P);
366void ev_loop_fork (EV_P);
367
368ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
369
370# else
371
372int ev_default_loop (unsigned int flags); /* returns true when successful */
373
374static ev_tstamp
375ev_now (void)
376{
377 extern ev_tstamp ev_rt_now;
378
379 return ev_rt_now;
380}
381# endif
382
383void ev_default_destroy (void); /* destroy the default loop */
384/* this needs to be called after fork, to duplicate the default loop */
385/* if you create alternative loops you have to call ev_loop_fork on them */
386/* you can call it in either the parent or the child */
387/* you can actually call it at any time, anywhere :) */
388void ev_default_fork (void);
389
390unsigned int ev_backend (EV_P);
206#endif 391#endif
207 392
208#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 393#define EVLOOP_NONBLOCK 1 /* do not block/wait */
209#define EVLOOP_ONESHOT 2 /* block *once* only */ 394#define EVLOOP_ONESHOT 2 /* block *once* only */
395#define EVUNLOOP_CANCEL 0 /* undo unloop */
396#define EVUNLOOP_ONE 1 /* unloop once */
397#define EVUNLOOP_ALL 2 /* unloop all loops */
398
210#if EV_PROTOTYPES 399#if EV_PROTOTYPES
211void ev_loop (EV_P_ int flags); 400void ev_loop (EV_P_ int flags);
212void ev_unloop (EV_P_ int status); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 401void 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 */
213
214ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
215 402
216/* 403/*
217 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 404 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
218 * keeps one reference. if you have a long-runing watcher you never unregister that 405 * keeps one reference. if you have a long-runing watcher you never unregister that
219 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 406 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
225/* if timeout is < 0, do wait indefinitely */ 412/* if timeout is < 0, do wait indefinitely */
226void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 413void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
227#endif 414#endif
228 415
229/* these may evaluate ev multiple times, and the other arguments at most once */ 416/* these may evaluate ev multiple times, and the other arguments at most once */
230/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 417/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
231#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 418#define ev_init(ev,cb_) do { \
419 ((ev_watcher *)(void *)(ev))->active = \
420 ((ev_watcher *)(void *)(ev))->pending = \
421 ((ev_watcher *)(void *)(ev))->priority = 0; \
422 ev_set_cb ((ev), cb_); \
423} while (0)
232 424
233#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 425#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
234#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 426#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
235#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 427#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
236#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 428#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
429#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
430#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
237#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 431#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
238#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 432#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
239#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 433#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
240#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 434#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
435#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
241 436
242#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 437#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
243#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 438#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
244#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 439#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
245#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 440#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
246#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
247#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
248#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
249#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 441#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
442#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
443#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
444#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
445#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
446#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
447#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
250 448
449#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
251#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 450#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
451
452#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
453#define ev_cb(ev) (ev)->cb /* rw */
252#define ev_set_priority(ev,pri) (ev)->priority = pri 454#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
455
456#ifndef ev_set_cb
457# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
458#endif
253 459
254/* stopping (enabling, adding) a watcher does nothing if it is already running */ 460/* stopping (enabling, adding) a watcher does nothing if it is already running */
255/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 461/* stopping (disabling, deleting) a watcher does nothing unless its already running */
256#if EV_PROTOTYPES 462#if EV_PROTOTYPES
463
464/* feeds an event into a watcher as if the event actually occured */
465/* accepts any ev_watcher type */
466void ev_feed_event (EV_P_ void *w, int revents);
467void ev_feed_fd_event (EV_P_ int fd, int revents);
468void ev_feed_signal_event (EV_P_ int signum);
469
257void ev_io_start (EV_P_ struct ev_io *w); 470void ev_io_start (EV_P_ ev_io *w);
258void ev_io_stop (EV_P_ struct ev_io *w); 471void ev_io_stop (EV_P_ ev_io *w);
259 472
260void ev_timer_start (EV_P_ struct ev_timer *w); 473void ev_timer_start (EV_P_ ev_timer *w);
261void ev_timer_stop (EV_P_ struct ev_timer *w); 474void ev_timer_stop (EV_P_ ev_timer *w);
262void 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 */ 475/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
476void ev_timer_again (EV_P_ ev_timer *w);
263 477
478#if EV_PERIODIC_ENABLE
264void ev_periodic_start (EV_P_ struct ev_periodic *w); 479void ev_periodic_start (EV_P_ ev_periodic *w);
265void ev_periodic_stop (EV_P_ struct ev_periodic *w); 480void ev_periodic_stop (EV_P_ ev_periodic *w);
481void ev_periodic_again (EV_P_ ev_periodic *w);
482#endif
266 483
484/* only supported in the default loop */
267void ev_signal_start (EV_P_ struct ev_signal *w); 485void ev_signal_start (EV_P_ ev_signal *w);
268void ev_signal_stop (EV_P_ struct ev_signal *w); 486void ev_signal_stop (EV_P_ ev_signal *w);
269 487
488/* only supported in the default loop */
489void ev_child_start (EV_P_ ev_child *w);
490void ev_child_stop (EV_P_ ev_child *w);
491
492# if EV_STAT_ENABLE
493void ev_stat_start (EV_P_ ev_stat *w);
494void ev_stat_stop (EV_P_ ev_stat *w);
495void ev_stat_stat (EV_P_ ev_stat *w);
496# endif
497
270void ev_idle_start (EV_P_ struct ev_idle *w); 498void ev_idle_start (EV_P_ ev_idle *w);
271void ev_idle_stop (EV_P_ struct ev_idle *w); 499void ev_idle_stop (EV_P_ ev_idle *w);
272 500
273void ev_prepare_start (EV_P_ struct ev_prepare *w); 501void ev_prepare_start (EV_P_ ev_prepare *w);
274void ev_prepare_stop (EV_P_ struct ev_prepare *w); 502void ev_prepare_stop (EV_P_ ev_prepare *w);
275 503
276void ev_check_start (EV_P_ struct ev_check *w); 504void ev_check_start (EV_P_ ev_check *w);
277void ev_check_stop (EV_P_ struct ev_check *w); 505void ev_check_stop (EV_P_ ev_check *w);
278 506
507# if EV_FORK_ENABLE
508void ev_fork_start (EV_P_ ev_fork *w);
509void ev_fork_stop (EV_P_ ev_fork *w);
510# endif
511
512# if EV_EMBED_ENABLE
513/* only supported when loop to be embedded is in fact embeddable */
279void ev_child_start (EV_P_ struct ev_child *w); 514void ev_embed_start (EV_P_ ev_embed *w);
280void ev_child_stop (EV_P_ struct ev_child *w); 515void ev_embed_stop (EV_P_ ev_embed *w);
516void ev_embed_sweep (EV_P_ ev_embed *w);
517# endif
518
281#endif 519#endif
282 520
283#ifdef __cplusplus 521#ifdef __cplusplus
284} 522}
285#endif 523#endif

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