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Comparing libev/ev.h (file contents):
Revision 1.28 by root, Sat Nov 3 22:10:39 2007 UTC vs.
Revision 1.87 by root, Thu Dec 20 10:12:22 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_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>
75#endif
76
47/* support multiple event loops? */ 77/* support multiple event loops? */
48#ifdef EV_MULTIPLICITY 78#if EV_MULTIPLICITY
49struct ev_loop; 79struct ev_loop;
50# define EV_P struct ev_loop *loop 80# define EV_P struct ev_loop *loop
51# define EV_P_ EV_P, 81# define EV_P_ EV_P,
52# define EV_A loop 82# define EV_A loop
53# 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,
54#else 86#else
55# define EV_P void 87# define EV_P void
56# define EV_P_ 88# define EV_P_
57# define EV_A 89# define EV_A
58# define EV_A_ 90# define EV_A_
91# define EV_DEFAULT
92# define EV_DEFAULT_
59 93
94# undef EV_EMBED_ENABLE
60#endif 95#endif
61 96
62/* eventmask, revents, events... */ 97/* eventmask, revents, events... */
63#define EV_UNDEF -1 /* guaranteed to be invalid */ 98#define EV_UNDEF -1L /* guaranteed to be invalid */
64#define EV_NONE 0x00 99#define EV_NONE 0x00L /* no events */
65#define EV_READ 0x01 100#define EV_READ 0x01L /* ev_io detected read will not block */
66#define EV_WRITE 0x02 101#define EV_WRITE 0x02L /* ev_io detected write will not block */
67#define EV_TIMEOUT 0x000100 102#define EV_IOFDSET 0x80L /* internal use only */
68#define EV_PERIODIC 0x000200 103#define EV_TIMEOUT 0x00000100L /* timer timed out */
69#define EV_SIGNAL 0x000400 104#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
70#define EV_IDLE 0x000800 105#define EV_SIGNAL 0x00000400L /* signal was received */
71#define EV_CHECK 0x001000 106#define EV_CHILD 0x00000800L /* child/pid had status change */
72#define EV_PREPARE 0x002000 107#define EV_STAT 0x00001000L /* stat data changed */
73#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 */
74#define EV_ERROR 0x800000 /* sent when an error occurs */ 113#define EV_ERROR 0x80000000L /* sent when an error occurs */
75 114
76/* 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 */
77#ifndef EV_COMMON 116#ifndef EV_COMMON
78# define EV_COMMON void *data 117# define EV_COMMON void *data;
79#endif 118#endif
80#ifndef EV_PROTOTYPES 119#ifndef EV_PROTOTYPES
81# define EV_PROTOTYPES 1 120# define EV_PROTOTYPES 1
82#endif 121#endif
83 122
84#define EV_VERSION_MAJOR 1 123#define EV_VERSION_MAJOR 2
85#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
86 132
87/* 133/*
88 * struct member types: 134 * struct member types:
89 * 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.
90 * 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
… …
93 139
94/* shared by all watchers */ 140/* shared by all watchers */
95#define EV_WATCHER(type) \ 141#define EV_WATCHER(type) \
96 int active; /* private */ \ 142 int active; /* private */ \
97 int pending; /* private */ \ 143 int pending; /* private */ \
98 int priority; /* ro */ \ 144 int priority; /* private */ \
99 EV_COMMON; /* rw */ \ 145 EV_COMMON /* rw */ \
100 void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 146 EV_CB_DECLARE (type) /* private */
101 147
102#define EV_WATCHER_LIST(type) \ 148#define EV_WATCHER_LIST(type) \
103 EV_WATCHER (type); \ 149 EV_WATCHER (type) \
104 struct ev_watcher_list *next /* private */ 150 struct ev_watcher_list *next; /* private */
105 151
106#define EV_WATCHER_TIME(type) \ 152#define EV_WATCHER_TIME(type) \
107 EV_WATCHER (type); \ 153 EV_WATCHER (type) \
108 ev_tstamp at /* private */ 154 ev_tstamp at; /* private */
109 155
110/* base class, nothing to see here unless you subclass */ 156/* base class, nothing to see here unless you subclass */
111struct ev_watcher { 157typedef struct ev_watcher
158{
112 EV_WATCHER (ev_watcher); 159 EV_WATCHER (ev_watcher)
113}; 160} ev_watcher;
114 161
115/* base class, nothing to see here unless you subclass */ 162/* base class, nothing to see here unless you subclass */
116struct ev_watcher_list { 163typedef struct ev_watcher_list
164{
117 EV_WATCHER_LIST (ev_watcher_list); 165 EV_WATCHER_LIST (ev_watcher_list)
118}; 166} ev_watcher_list;
119 167
120/* base class, nothing to see here unless you subclass */ 168/* base class, nothing to see here unless you subclass */
121struct ev_watcher_time { 169typedef struct ev_watcher_time
170{
122 EV_WATCHER_TIME (ev_watcher_time); 171 EV_WATCHER_TIME (ev_watcher_time)
123}; 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;
124 183
125/* invoked after a specific time, repeatable (based on monotonic clock) */ 184/* invoked after a specific time, repeatable (based on monotonic clock) */
126/* revent EV_TIMEOUT */ 185/* revent EV_TIMEOUT */
127struct ev_timer 186typedef struct ev_timer
128{ 187{
129 EV_WATCHER_TIME (ev_timer); 188 EV_WATCHER_TIME (ev_timer)
130 189
131 ev_tstamp repeat; /* rw */ 190 ev_tstamp repeat; /* rw */
132}; 191} ev_timer;
133 192
134/* 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) */
135/* revent EV_PERIODIC */ 194/* revent EV_PERIODIC */
136struct ev_periodic 195typedef struct ev_periodic
137{ 196{
138 EV_WATCHER_TIME (ev_periodic); 197 EV_WATCHER_TIME (ev_periodic)
139 198
199 ev_tstamp offset; /* rw */
140 ev_tstamp interval; /* rw */ 200 ev_tstamp interval; /* rw */
141}; 201 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
142 202} ev_periodic;
143/* invoked when fd is either EV_READable or EV_WRITEable */
144/* revent EV_READ, EV_WRITE */
145struct ev_io
146{
147 EV_WATCHER_LIST (ev_io);
148
149 int fd; /* ro */
150 int events; /* ro */
151};
152 203
153/* invoked when the given signal has been received */ 204/* invoked when the given signal has been received */
154/* revent EV_SIGNAL */ 205/* revent EV_SIGNAL */
155struct ev_signal 206typedef struct ev_signal
156{ 207{
157 EV_WATCHER_LIST (ev_signal); 208 EV_WATCHER_LIST (ev_signal)
158 209
159 int signum; /* ro */ 210 int signum; /* ro */
160}; 211} ev_signal;
161 212
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
162/* 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 */
163/* revent EV_IDLE */ 251/* revent EV_IDLE */
164struct ev_idle 252typedef struct ev_idle
165{ 253{
166 EV_WATCHER (ev_idle); 254 EV_WATCHER (ev_idle)
167}; 255} ev_idle;
256#endif
168 257
169/* 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 */
170/* you can still change events in any way you like */ 259/* you can still change events in any way you like */
171/* revent EV_PREPARE */ 260/* revent EV_PREPARE */
172struct ev_prepare 261typedef struct ev_prepare
173{ 262{
174 EV_WATCHER (ev_prepare); 263 EV_WATCHER (ev_prepare)
175}; 264} ev_prepare;
176 265
177/* 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 */
178/* revent EV_CHECK */ 267/* revent EV_CHECK */
179struct ev_check 268typedef struct ev_check
180{ 269{
181 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
182}; 324};
183 325
184/* invoked when sigchld is received and waitpid indicates the givne pid */ 326/* bits for ev_default_loop and ev_loop_new */
185/* revent EV_CHILD */ 327/* the default */
186/* does not support priorities */ 328#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
187struct ev_child 329/* flag bits */
188{ 330#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
189 EV_WATCHER_LIST (ev_child); 331#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
332/* method bits to be ored together */
333#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
334#define EVBACKEND_POLL 0x00000002UL /* !win */
335#define EVBACKEND_EPOLL 0x00000004UL /* linux */
336#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
337#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
338#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
190 339
191 int pid; /* ro */
192 int rpid; /* rw, holds the received pid */
193 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
194};
195
196#define EVMETHOD_AUTO 0 /* consults environment */
197#define EVMETHOD_SELECT 1
198#define EVMETHOD_POLL 2
199#define EVMETHOD_EPOLL 4
200#define EVMETHOD_KQUEUE 8
201#define EVMETHOD_DEVPOLL 16 /* NYI */
202#define EVMETHOD_PORT 32 /* NYI */
203#define EVMETHOD_ANY ~0 /* any method, do not consult env */
204#if EV_PROTOTYPES 340#if EV_PROTOTYPES
205int ev_method (EV_P);
206int ev_init (EV_P_ int methods); /* returns ev_method */
207int ev_version_major (void); 341int ev_version_major (void);
208int ev_version_minor (void); 342int ev_version_minor (void);
209 343
210/* these three calls are suitable for plugging into pthread_atfork */ 344unsigned int ev_supported_backends (void);
211void ev_fork_prepare (void); 345unsigned int ev_recommended_backends (void);
212void ev_fork_parent (void); 346unsigned int ev_embeddable_backends (void);
213void ev_fork_child (void);
214 347
215ev_tstamp ev_time (void); 348ev_tstamp ev_time (void);
349
350/* Sets the allocation function to use, works like realloc.
351 * It is used to allocate and free memory.
352 * If it returns zero when memory needs to be allocated, the library might abort
353 * or take some potentially destructive action.
354 * The default is your system realloc function.
355 */
356void ev_set_allocator (void *(*cb)(void *ptr, long size));
357
358/* set the callback function to call on a
359 * retryable syscall error
360 * (such as failed select, poll, epoll_wait)
361 */
362void ev_set_syserr_cb (void (*cb)(const char *msg));
363
364# if EV_MULTIPLICITY
365/* the default loop is the only one that handles signals and child watchers */
366/* you can call this as often as you like */
367static struct ev_loop *
368ev_default_loop (unsigned int flags)
369{
370 extern struct ev_loop *ev_default_loop_ptr;
371 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
372
373 if (!ev_default_loop_ptr)
374 ev_default_loop_init (flags);
375
376 return ev_default_loop_ptr;
377}
378
379/* create and destroy alternative loops that don't handle signals */
380struct ev_loop *ev_loop_new (unsigned int flags);
381void ev_loop_destroy (EV_P);
382void ev_loop_fork (EV_P);
383
384ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
385
386# else
387
388int ev_default_loop (unsigned int flags); /* returns true when successful */
389
390static ev_tstamp
391ev_now (void)
392{
393 extern ev_tstamp ev_rt_now;
394
395 return ev_rt_now;
396}
397# endif
398
399void ev_default_destroy (void); /* destroy the default loop */
400/* this needs to be called after fork, to duplicate the default loop */
401/* if you create alternative loops you have to call ev_loop_fork on them */
402/* you can call it in either the parent or the child */
403/* you can actually call it at any time, anywhere :) */
404void ev_default_fork (void);
405
406unsigned int ev_backend (EV_P);
407unsigned int ev_loop_count (EV_P);
216#endif 408#endif
217 409
218#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 410#define EVLOOP_NONBLOCK 1 /* do not block/wait */
219#define EVLOOP_ONESHOT 2 /* block *once* only */ 411#define EVLOOP_ONESHOT 2 /* block *once* only */
412#define EVUNLOOP_CANCEL 0 /* undo unloop */
413#define EVUNLOOP_ONE 1 /* unloop once */
414#define EVUNLOOP_ALL 2 /* unloop all loops */
415
220#if EV_PROTOTYPES 416#if EV_PROTOTYPES
221void ev_loop (EV_P_ int flags); 417void ev_loop (EV_P_ int flags);
222void 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 */ 418void 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 */
223
224ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
225 419
226/* 420/*
227 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 421 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
228 * keeps one reference. if you have a long-runing watcher you never unregister that 422 * keeps one reference. if you have a long-runing watcher you never unregister that
229 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 423 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
235/* if timeout is < 0, do wait indefinitely */ 429/* if timeout is < 0, do wait indefinitely */
236void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 430void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
237#endif 431#endif
238 432
239/* these may evaluate ev multiple times, and the other arguments at most once */ 433/* these may evaluate ev multiple times, and the other arguments at most once */
240/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 434/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
241#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 435#define ev_init(ev,cb_) do { \
436 ((ev_watcher *)(void *)(ev))->active = \
437 ((ev_watcher *)(void *)(ev))->pending = \
438 ((ev_watcher *)(void *)(ev))->priority = 0; \
439 ev_set_cb ((ev), cb_); \
440} while (0)
242 441
243#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 442#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0)
244#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 443#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
245#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 444#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
246#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 445#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
446#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
447#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
247#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 448#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
248#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 449#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
249#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 450#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
250#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 451#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
452#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
251 453
252#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 454#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
253#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 455#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
254#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 456#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
255#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 457#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
256#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
257#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
258#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
259#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 458#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
459#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
460#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
461#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
462#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
463#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
464#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
260 465
466#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
261#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 467#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
468
469#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
470#define ev_cb(ev) (ev)->cb /* rw */
262#define ev_set_priority(ev,pri) (ev)->priority = pri 471#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
472
473#ifndef ev_set_cb
474# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
475#endif
263 476
264/* stopping (enabling, adding) a watcher does nothing if it is already running */ 477/* stopping (enabling, adding) a watcher does nothing if it is already running */
265/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 478/* stopping (disabling, deleting) a watcher does nothing unless its already running */
266#if EV_PROTOTYPES 479#if EV_PROTOTYPES
480
481/* feeds an event into a watcher as if the event actually occured */
482/* accepts any ev_watcher type */
483void ev_feed_event (EV_P_ void *w, int revents);
484void ev_feed_fd_event (EV_P_ int fd, int revents);
485void ev_feed_signal_event (EV_P_ int signum);
486void ev_invoke (EV_P_ void *w, int revents);
487int ev_clear_pending (EV_P_ void *w);
488
267void ev_io_start (EV_P_ struct ev_io *w); 489void ev_io_start (EV_P_ ev_io *w);
268void ev_io_stop (EV_P_ struct ev_io *w); 490void ev_io_stop (EV_P_ ev_io *w);
269 491
270void ev_timer_start (EV_P_ struct ev_timer *w); 492void ev_timer_start (EV_P_ ev_timer *w);
271void ev_timer_stop (EV_P_ struct ev_timer *w); 493void ev_timer_stop (EV_P_ ev_timer *w);
272void 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 */ 494/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
495void ev_timer_again (EV_P_ ev_timer *w);
273 496
497#if EV_PERIODIC_ENABLE
274void ev_periodic_start (EV_P_ struct ev_periodic *w); 498void ev_periodic_start (EV_P_ ev_periodic *w);
275void ev_periodic_stop (EV_P_ struct ev_periodic *w); 499void ev_periodic_stop (EV_P_ ev_periodic *w);
500void ev_periodic_again (EV_P_ ev_periodic *w);
501#endif
276 502
503/* only supported in the default loop */
277void ev_signal_start (EV_P_ struct ev_signal *w); 504void ev_signal_start (EV_P_ ev_signal *w);
278void ev_signal_stop (EV_P_ struct ev_signal *w); 505void ev_signal_stop (EV_P_ ev_signal *w);
279 506
507/* only supported in the default loop */
508void ev_child_start (EV_P_ ev_child *w);
509void ev_child_stop (EV_P_ ev_child *w);
510
511# if EV_STAT_ENABLE
512void ev_stat_start (EV_P_ ev_stat *w);
513void ev_stat_stop (EV_P_ ev_stat *w);
514void ev_stat_stat (EV_P_ ev_stat *w);
515# endif
516
517# if EV_IDLE_ENABLE
280void ev_idle_start (EV_P_ struct ev_idle *w); 518void ev_idle_start (EV_P_ ev_idle *w);
281void ev_idle_stop (EV_P_ struct ev_idle *w); 519void ev_idle_stop (EV_P_ ev_idle *w);
520# endif
282 521
283void ev_prepare_start (EV_P_ struct ev_prepare *w); 522void ev_prepare_start (EV_P_ ev_prepare *w);
284void ev_prepare_stop (EV_P_ struct ev_prepare *w); 523void ev_prepare_stop (EV_P_ ev_prepare *w);
285 524
286void ev_check_start (EV_P_ struct ev_check *w); 525void ev_check_start (EV_P_ ev_check *w);
287void ev_check_stop (EV_P_ struct ev_check *w); 526void ev_check_stop (EV_P_ ev_check *w);
288 527
528# if EV_FORK_ENABLE
529void ev_fork_start (EV_P_ ev_fork *w);
530void ev_fork_stop (EV_P_ ev_fork *w);
531# endif
532
533# if EV_EMBED_ENABLE
534/* only supported when loop to be embedded is in fact embeddable */
289void ev_child_start (EV_P_ struct ev_child *w); 535void ev_embed_start (EV_P_ ev_embed *w);
290void ev_child_stop (EV_P_ struct ev_child *w); 536void ev_embed_stop (EV_P_ ev_embed *w);
537void ev_embed_sweep (EV_P_ ev_embed *w);
538# endif
539
291#endif 540#endif
292 541
293#ifdef __cplusplus 542#ifdef __cplusplus
294} 543}
295#endif 544#endif

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