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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 1.71 by root, Tue Nov 27 09:17:52 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
… …
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_EMBED_ENABLE
60# define EV_EMBED_ENABLE 1
61#endif
62
63/*****************************************************************************/
64
65#if EV_STAT_ENABLE
66# include <sys/stat.h>
49#endif 67#endif
50 68
51/* support multiple event loops? */ 69/* support multiple event loops? */
52#if EV_MULTIPLICITY 70#if EV_MULTIPLICITY
53struct ev_loop; 71struct ev_loop;
54# define EV_P struct ev_loop *loop 72# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 73# define EV_P_ EV_P,
56# define EV_A loop 74# define EV_A loop
57# define EV_A_ EV_A, 75# define EV_A_ EV_A,
76# define EV_DEFAULT_A ev_default_loop (0)
77# define EV_DEFAULT_A_ EV_DEFAULT_A,
58#else 78#else
59# define EV_P void 79# define EV_P void
60# define EV_P_ 80# define EV_P_
61# define EV_A 81# define EV_A
62# define EV_A_ 82# define EV_A_
83# define EV_DEFAULT_A
84# define EV_DEFAULT_A_
85
86# undef EV_EMBED_ENABLE
63#endif 87#endif
64 88
65/* eventmask, revents, events... */ 89/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 90#define EV_UNDEF -1L /* guaranteed to be invalid */
67#define EV_NONE 0x00 91#define EV_NONE 0x00L /* no events */
68#define EV_READ 0x01 92#define EV_READ 0x01L /* ev_io detected read will not block */
69#define EV_WRITE 0x02 93#define EV_WRITE 0x02L /* ev_io detected write will not block */
70#define EV_TIMEOUT 0x000100 94#define EV_TIMEOUT 0x00000100L /* timer timed out */
71#define EV_PERIODIC 0x000200 95#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
72#define EV_SIGNAL 0x000400 96#define EV_SIGNAL 0x00000400L /* signal was received */
73#define EV_IDLE 0x000800 97#define EV_IDLE 0x00000800L /* event loop is idling */
74#define EV_CHECK 0x001000 98#define EV_PREPARE 0x00001000L /* event loop about to poll */
75#define EV_PREPARE 0x002000 99#define EV_CHECK 0x00002000L /* event loop finished poll */
76#define EV_CHILD 0x004000 100#define EV_CHILD 0x00004000L /* child/pid had status change */
101#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */
102#define EV_STAT 0x00010000L /* stat data changed */
77#define EV_ERROR 0x800000 /* sent when an error occurs */ 103#define EV_ERROR 0x80000000L /* sent when an error occurs */
78 104
79/* can be used to add custom fields to all watchers */ 105/* can be used to add custom fields to all watchers, while losing binary compatibility */
80#ifndef EV_COMMON 106#ifndef EV_COMMON
81# define EV_COMMON void *data 107# define EV_COMMON void *data;
82#endif 108#endif
83#ifndef EV_PROTOTYPES 109#ifndef EV_PROTOTYPES
84# define EV_PROTOTYPES 1 110# define EV_PROTOTYPES 1
85#endif 111#endif
86 112
87#define EV_VERSION_MAJOR 1 113#define EV_VERSION_MAJOR 1
88#define EV_VERSION_MINOR 1 114#define EV_VERSION_MINOR 1
115
116#ifndef EV_CB_DECLARE
117# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
118#endif
119#ifndef EV_CB_INVOKE
120# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
121#endif
89 122
90/* 123/*
91 * struct member types: 124 * struct member types:
92 * private: you can look at them, but not change them, and they might not mean anything to you. 125 * 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 126 * ro: can be read anytime, but only changed when the watcher isn't active
… …
96 129
97/* shared by all watchers */ 130/* shared by all watchers */
98#define EV_WATCHER(type) \ 131#define EV_WATCHER(type) \
99 int active; /* private */ \ 132 int active; /* private */ \
100 int pending; /* private */ \ 133 int pending; /* private */ \
101 int priority; /* ro */ \ 134 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 135 EV_COMMON /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 136 EV_CB_DECLARE (type) /* private */
104 137
105#define EV_WATCHER_LIST(type) \ 138#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 139 EV_WATCHER (type) \
107 struct ev_watcher_list *next /* private */ 140 struct ev_watcher_list *next; /* private */
108 141
109#define EV_WATCHER_TIME(type) \ 142#define EV_WATCHER_TIME(type) \
110 EV_WATCHER (type); \ 143 EV_WATCHER (type) \
111 ev_tstamp at /* private */ 144 ev_tstamp at; /* private */
112 145
113/* base class, nothing to see here unless you subclass */ 146/* base class, nothing to see here unless you subclass */
114struct ev_watcher { 147typedef struct ev_watcher
148{
115 EV_WATCHER (ev_watcher); 149 EV_WATCHER (ev_watcher)
116}; 150} ev_watcher;
117 151
118/* base class, nothing to see here unless you subclass */ 152/* base class, nothing to see here unless you subclass */
119struct ev_watcher_list { 153typedef struct ev_watcher_list
154{
120 EV_WATCHER_LIST (ev_watcher_list); 155 EV_WATCHER_LIST (ev_watcher_list)
121}; 156} ev_watcher_list;
122 157
123/* base class, nothing to see here unless you subclass */ 158/* base class, nothing to see here unless you subclass */
124struct ev_watcher_time { 159typedef struct ev_watcher_time
160{
125 EV_WATCHER_TIME (ev_watcher_time); 161 EV_WATCHER_TIME (ev_watcher_time)
126}; 162} ev_watcher_time;
163
164/* invoked when fd is either EV_READable or EV_WRITEable */
165/* revent EV_READ, EV_WRITE */
166typedef struct ev_io
167{
168 EV_WATCHER_LIST (ev_io)
169
170 int fd; /* ro */
171 int events; /* ro */
172} ev_io;
127 173
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 174/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 175/* revent EV_TIMEOUT */
130struct ev_timer 176typedef struct ev_timer
131{ 177{
132 EV_WATCHER_TIME (ev_timer); 178 EV_WATCHER_TIME (ev_timer)
133 179
134 ev_tstamp repeat; /* rw */ 180 ev_tstamp repeat; /* rw */
135}; 181} ev_timer;
136 182
137/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 183/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138/* revent EV_PERIODIC */ 184/* revent EV_PERIODIC */
139struct ev_periodic 185typedef struct ev_periodic
140{ 186{
141 EV_WATCHER_TIME (ev_periodic); 187 EV_WATCHER_TIME (ev_periodic)
142 188
143 ev_tstamp interval; /* rw */ 189 ev_tstamp interval; /* rw */
144}; 190 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145 191} 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};
155 192
156/* invoked when the given signal has been received */ 193/* invoked when the given signal has been received */
157/* revent EV_SIGNAL */ 194/* revent EV_SIGNAL */
158struct ev_signal 195typedef struct ev_signal
159{ 196{
160 EV_WATCHER_LIST (ev_signal); 197 EV_WATCHER_LIST (ev_signal)
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
164 198
165 int signum; /* ro */ 199 int signum; /* ro */
166}; 200} ev_signal;
201
202/* invoked when sigchld is received and waitpid indicates the given pid */
203/* revent EV_CHILD */
204/* does not support priorities */
205typedef struct ev_child
206{
207 EV_WATCHER_LIST (ev_child)
208
209 int pid; /* ro */
210 int rpid; /* rw, holds the received pid */
211 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
212} ev_child;
213
214#if EV_STAT_ENABLE
215/* st_nlink = 0 means missing file or other error */
216#ifdef _WIN32
217typedef struct _stati64 ev_statdata;
218#else
219typedef struct stat ev_statdata;
220#endif
221
222/* invoked each time the stat data changes for a given path */
223/* revent EV_STAT */
224typedef struct ev_stat
225{
226 EV_WATCHER (ev_stat)
227
228 ev_timer timer; /* private */
229 ev_tstamp interval; /* ro */
230 const char *path; /* ro */
231 ev_statdata prev; /* ro */
232 ev_statdata attr; /* ro */
233} ev_stat;
234#endif
167 235
168/* invoked when the nothing else needs to be done, keeps the process from blocking */ 236/* invoked when the nothing else needs to be done, keeps the process from blocking */
169/* revent EV_IDLE */ 237/* revent EV_IDLE */
170struct ev_idle 238typedef struct ev_idle
171{ 239{
172 EV_WATCHER (ev_idle); 240 EV_WATCHER (ev_idle)
173}; 241} ev_idle;
174 242
175/* invoked for each run of the mainloop, just before the blocking call */ 243/* invoked for each run of the mainloop, just before the blocking call */
176/* you can still change events in any way you like */ 244/* you can still change events in any way you like */
177/* revent EV_PREPARE */ 245/* revent EV_PREPARE */
178struct ev_prepare 246typedef struct ev_prepare
179{ 247{
180 EV_WATCHER (ev_prepare); 248 EV_WATCHER (ev_prepare)
181}; 249} ev_prepare;
182 250
183/* invoked for each run of the mainloop, just after the blocking call */ 251/* invoked for each run of the mainloop, just after the blocking call */
184/* revent EV_CHECK */ 252/* revent EV_CHECK */
185struct ev_check 253typedef struct ev_check
186{ 254{
187 EV_WATCHER (ev_check); 255 EV_WATCHER (ev_check)
256} ev_check;
257
258#if EV_EMBED_ENABLE
259/* used to embed an event loop inside another */
260/* the callback gets invoked when the event loop has handled events, and can be 0 */
261typedef struct ev_embed
262{
263 EV_WATCHER (ev_embed)
264
265 ev_io io; /* private */
266 struct ev_loop *loop; /* ro */
267} ev_embed;
268#endif
269
270/* the presence of this union forces similar struct layout */
271union ev_any_watcher
272{
273 struct ev_watcher w;
274 struct ev_watcher_list wl;
275
276 struct ev_io io;
277 struct ev_timer timer;
278 struct ev_periodic periodic;
279 struct ev_child child;
280#if EV_STAT_ENABLE
281 struct ev_stat stat;
282#endif
283 struct ev_idle idle;
284 struct ev_prepare prepare;
285 struct ev_check check;
286 struct ev_signal signal;
287#if EV_EMBED_ENABLE
288 struct ev_embed embed;
289#endif
188}; 290};
189 291
190/* invoked when sigchld is received and waitpid indicates the givne pid */ 292/* bits for ev_default_loop and ev_loop_new */
191/* revent EV_CHILD */ 293/* the default */
192/* does not support priorities */ 294#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
193struct ev_child 295/* flag bits */
194{ 296#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
195 EV_WATCHER_LIST (ev_child); 297/* method bits to be ored together */
196 298#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
197 int pid; /* ro */ 299#define EVBACKEND_POLL 0x00000002UL /* !win */
198 int rpid; /* rw, holds the received pid */ 300#define EVBACKEND_EPOLL 0x00000004UL /* linux */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 301#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
200}; 302#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
201 303#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
202#define EVMETHOD_AUTO 0 /* consults environment */
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 */
210 304
211#if EV_PROTOTYPES 305#if EV_PROTOTYPES
212int ev_version_major (void); 306int ev_version_major (void);
213int ev_version_minor (void); 307int ev_version_minor (void);
214 308
215/* these three calls are suitable for plugging into pthread_atfork */ 309unsigned int ev_supported_backends (void);
216void ev_fork_prepare (void); 310unsigned int ev_recommended_backends (void);
217void ev_fork_parent (void); 311unsigned int ev_embeddable_backends (void);
218void ev_fork_child (void);
219 312
220ev_tstamp ev_time (void); 313ev_tstamp ev_time (void);
221 314
315/* Sets the allocation function to use, works like realloc.
316 * It is used to allocate and free memory.
317 * If it returns zero when memory needs to be allocated, the library might abort
318 * or take some potentially destructive action.
319 * The default is your system realloc function.
320 */
321void ev_set_allocator (void *(*cb)(void *ptr, long size));
322
323/* set the callback function to call on a
324 * retryable syscall error
325 * (such as failed select, poll, epoll_wait)
326 */
327void ev_set_syserr_cb (void (*cb)(const char *msg));
328
222# if EV_MULTIPLICITY 329# if EV_MULTIPLICITY
330/* the default loop is the only one that handles signals and child watchers */
331/* you can call this as often as you like */
332static struct ev_loop *
333ev_default_loop (unsigned int flags)
334{
335 extern struct ev_loop *ev_default_loop_ptr;
336 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
337
338 if (!ev_default_loop_ptr)
339 ev_default_loop_init (flags);
340
341 return ev_default_loop_ptr;
342}
343
344/* create and destroy alternative loops that don't handle signals */
223struct ev_loop *ev_loop_new (int methods); 345struct ev_loop *ev_loop_new (unsigned int flags);
224void ev_loop_delete (EV_P); 346void ev_loop_destroy (EV_P);
347void ev_loop_fork (EV_P);
348
349ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
350
225# else 351# else
226int ev_init (int methods); /* returns ev_method */ 352
353int ev_default_loop (unsigned int flags); /* returns true when successful */
354
355static ev_tstamp
356ev_now (void)
357{
358 extern ev_tstamp ev_rt_now;
359
360 return ev_rt_now;
361}
227# endif 362# endif
228 363
229int ev_method (EV_P); 364void ev_default_destroy (void); /* destroy the default loop */
365/* this needs to be called after fork, to duplicate the default loop */
366/* if you create alternative loops you have to call ev_loop_fork on them */
367/* you can call it in either the parent or the child */
368/* you can actually call it at any time, anywhere :) */
369void ev_default_fork (void);
230 370
371unsigned int ev_backend (EV_P);
231#endif 372#endif
232 373
233#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 374#define EVLOOP_NONBLOCK 1 /* do not block/wait */
234#define EVLOOP_ONESHOT 2 /* block *once* only */ 375#define EVLOOP_ONESHOT 2 /* block *once* only */
376#define EVUNLOOP_CANCEL 0 /* undo unloop */
235#define EVUNLOOP_ONCE 1 /* unloop once */ 377#define EVUNLOOP_ONE 1 /* unloop once */
236#define EVUNLOOP_ALL 2 /* unloop all loops */ 378#define EVUNLOOP_ALL 2 /* unloop all loops */
237 379
238#if EV_PROTOTYPES 380#if EV_PROTOTYPES
239void ev_loop (EV_P_ int flags); 381void 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 */ 382void 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
242ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
243 383
244/* 384/*
245 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 385 * 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 386 * 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. 387 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
253/* if timeout is < 0, do wait indefinitely */ 393/* 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); 394void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
255#endif 395#endif
256 396
257/* these may evaluate ev multiple times, and the other arguments at most once */ 397/* 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 */ 398/* 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) 399#define ev_init(ev,cb_) do { \
400 ((ev_watcher *)(void *)(ev))->active = \
401 ((ev_watcher *)(void *)(ev))->pending = \
402 ((ev_watcher *)(void *)(ev))->priority = 0; \
403 ev_set_cb ((ev), cb_); \
404} while (0)
260 405
261#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 406#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
262#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 407#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) 408#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
264#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 409#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
410#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
411#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
265#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 412#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 */ 413#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 */ 414#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) 415#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
269 416
270#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 417#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) 418#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) 419#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) 420#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) 421#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
422#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
423#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
424#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
425#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
426#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
278 427
428#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 */ 429#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
430
431#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
432#define ev_cb(ev) (ev)->cb /* rw */
280#define ev_set_priority(ev,pri) (ev)->priority = pri 433#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
434
435#ifndef ev_set_cb
436# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
437#endif
281 438
282/* stopping (enabling, adding) a watcher does nothing if it is already running */ 439/* stopping (enabling, adding) a watcher does nothing if it is already running */
283/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 440/* stopping (disabling, deleting) a watcher does nothing unless its already running */
284#if EV_PROTOTYPES 441#if EV_PROTOTYPES
442
443/* feeds an event into a watcher as if the event actually occured */
444/* accepts any ev_watcher type */
445void ev_feed_event (EV_P_ void *w, int revents);
446void ev_feed_fd_event (EV_P_ int fd, int revents);
447void ev_feed_signal_event (EV_P_ int signum);
448
285void ev_io_start (EV_P_ struct ev_io *w); 449void ev_io_start (EV_P_ ev_io *w);
286void ev_io_stop (EV_P_ struct ev_io *w); 450void ev_io_stop (EV_P_ ev_io *w);
287 451
288void ev_timer_start (EV_P_ struct ev_timer *w); 452void ev_timer_start (EV_P_ ev_timer *w);
289void ev_timer_stop (EV_P_ struct ev_timer *w); 453void 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 */ 454/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
455void ev_timer_again (EV_P_ ev_timer *w);
291 456
457#if EV_PERIODIC_ENABLE
292void ev_periodic_start (EV_P_ struct ev_periodic *w); 458void ev_periodic_start (EV_P_ ev_periodic *w);
293void ev_periodic_stop (EV_P_ struct ev_periodic *w); 459void ev_periodic_stop (EV_P_ ev_periodic *w);
460void ev_periodic_again (EV_P_ ev_periodic *w);
461#endif
294 462
463/* only supported in the default loop */
295void ev_signal_start (EV_P_ struct ev_signal *w); 464void ev_signal_start (EV_P_ ev_signal *w);
296void ev_signal_stop (EV_P_ struct ev_signal *w); 465void ev_signal_stop (EV_P_ ev_signal *w);
297 466
467/* only supported in the default loop */
468void ev_child_start (EV_P_ ev_child *w);
469void ev_child_stop (EV_P_ ev_child *w);
470
471# if EV_STAT_ENABLE
472void ev_stat_start (EV_P_ ev_stat *w);
473void ev_stat_stop (EV_P_ ev_stat *w);
474void ev_stat_stat (EV_P_ ev_stat *w);
475# endif
476
298void ev_idle_start (EV_P_ struct ev_idle *w); 477void ev_idle_start (EV_P_ ev_idle *w);
299void ev_idle_stop (EV_P_ struct ev_idle *w); 478void ev_idle_stop (EV_P_ ev_idle *w);
300 479
301void ev_prepare_start (EV_P_ struct ev_prepare *w); 480void ev_prepare_start (EV_P_ ev_prepare *w);
302void ev_prepare_stop (EV_P_ struct ev_prepare *w); 481void ev_prepare_stop (EV_P_ ev_prepare *w);
303 482
304void ev_check_start (EV_P_ struct ev_check *w); 483void ev_check_start (EV_P_ ev_check *w);
305void ev_check_stop (EV_P_ struct ev_check *w); 484void ev_check_stop (EV_P_ ev_check *w);
306 485
486# if EV_EMBED_ENABLE
487/* only supported when loop to be embedded is in fact embeddable */
307void ev_child_start (EV_P_ struct ev_child *w); 488void ev_embed_start (EV_P_ ev_embed *w);
308void ev_child_stop (EV_P_ struct ev_child *w); 489void ev_embed_stop (EV_P_ ev_embed *w);
490void ev_embed_sweep (EV_P_ ev_embed *w);
491# endif
492
309#endif 493#endif
310 494
311#ifdef __cplusplus 495#ifdef __cplusplus
312} 496}
313#endif 497#endif

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