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Comparing libev/ev.h (file contents):
Revision 1.34 by root, Sun Nov 4 23:29:48 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
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_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>
49#endif 71#endif
50 72
51/* support multiple event loops? */ 73/* support multiple event loops? */
52#if EV_MULTIPLICITY 74#if EV_MULTIPLICITY
53struct ev_loop; 75struct ev_loop;
54# define EV_P struct ev_loop *loop 76# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 77# define EV_P_ EV_P,
56# define EV_A loop 78# define EV_A loop
57# define EV_A_ EV_A, 79# define EV_A_ EV_A,
80# define EV_DEFAULT ev_default_loop (0)
81# define EV_DEFAULT_ EV_DEFAULT,
58#else 82#else
59# define EV_P void 83# define EV_P void
60# define EV_P_ 84# define EV_P_
61# define EV_A 85# define EV_A
62# define EV_A_ 86# define EV_A_
87# define EV_DEFAULT
88# define EV_DEFAULT_
89
90# undef EV_EMBED_ENABLE
63#endif 91#endif
64 92
65/* eventmask, revents, events... */ 93/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 94#define EV_UNDEF -1L /* guaranteed to be invalid */
67#define EV_NONE 0x00 95#define EV_NONE 0x00L /* no events */
68#define EV_READ 0x01 96#define EV_READ 0x01L /* ev_io detected read will not block */
69#define EV_WRITE 0x02 97#define EV_WRITE 0x02L /* ev_io detected write will not block */
70#define EV_TIMEOUT 0x000100 98#define EV_TIMEOUT 0x00000100L /* timer timed out */
71#define EV_PERIODIC 0x000200 99#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
72#define EV_SIGNAL 0x000400 100#define EV_SIGNAL 0x00000400L /* signal was received */
73#define EV_IDLE 0x000800 101#define EV_CHILD 0x00000800L /* child/pid had status change */
74#define EV_CHECK 0x001000 102#define EV_STAT 0x00001000L /* stat data changed */
75#define EV_PREPARE 0x002000 103#define EV_IDLE 0x00002000L /* event loop is idling */
76#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 */
77#define EV_ERROR 0x800000 /* sent when an error occurs */ 108#define EV_ERROR 0x80000000L /* sent when an error occurs */
78 109
79/* 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 */
80#ifndef EV_COMMON 111#ifndef EV_COMMON
81# define EV_COMMON void *data 112# define EV_COMMON void *data;
82#endif 113#endif
83#ifndef EV_PROTOTYPES 114#ifndef EV_PROTOTYPES
84# define EV_PROTOTYPES 1 115# define EV_PROTOTYPES 1
85#endif 116#endif
86 117
87#define EV_VERSION_MAJOR 1 118#define EV_VERSION_MAJOR 1
88#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
89 127
90/* 128/*
91 * struct member types: 129 * struct member types:
92 * 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.
93 * 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
97/* shared by all watchers */ 135/* shared by all watchers */
98#define EV_WATCHER(type) \ 136#define EV_WATCHER(type) \
99 int active; /* private */ \ 137 int active; /* private */ \
100 int pending; /* private */ \ 138 int pending; /* private */ \
101 int priority; /* private */ \ 139 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 140 EV_COMMON /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents); /* private */ /* gets invoked with an eventmask */ 141 EV_CB_DECLARE (type) /* private */
104 142
105#define EV_WATCHER_LIST(type) \ 143#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 144 EV_WATCHER (type) \
107 struct ev_watcher_list *next /* private */ 145 struct ev_watcher_list *next; /* private */
108 146
109#define EV_WATCHER_TIME(type) \ 147#define EV_WATCHER_TIME(type) \
110 EV_WATCHER (type); \ 148 EV_WATCHER (type) \
111 ev_tstamp at /* private */ 149 ev_tstamp at; /* private */
112 150
113/* base class, nothing to see here unless you subclass */ 151/* base class, nothing to see here unless you subclass */
114struct ev_watcher { 152typedef struct ev_watcher
153{
115 EV_WATCHER (ev_watcher); 154 EV_WATCHER (ev_watcher)
116}; 155} ev_watcher;
117 156
118/* base class, nothing to see here unless you subclass */ 157/* base class, nothing to see here unless you subclass */
119struct ev_watcher_list { 158typedef struct ev_watcher_list
159{
120 EV_WATCHER_LIST (ev_watcher_list); 160 EV_WATCHER_LIST (ev_watcher_list)
121}; 161} ev_watcher_list;
122 162
123/* base class, nothing to see here unless you subclass */ 163/* base class, nothing to see here unless you subclass */
124struct ev_watcher_time { 164typedef struct ev_watcher_time
165{
125 EV_WATCHER_TIME (ev_watcher_time); 166 EV_WATCHER_TIME (ev_watcher_time)
126}; 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;
127 178
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 179/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 180/* revent EV_TIMEOUT */
130struct ev_timer 181typedef struct ev_timer
131{ 182{
132 EV_WATCHER_TIME (ev_timer); 183 EV_WATCHER_TIME (ev_timer)
133 184
134 ev_tstamp repeat; /* rw */ 185 ev_tstamp repeat; /* rw */
135}; 186} ev_timer;
136 187
137/* 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) */
138/* revent EV_PERIODIC */ 189/* revent EV_PERIODIC */
139struct ev_periodic 190typedef struct ev_periodic
140{ 191{
141 EV_WATCHER_TIME (ev_periodic); 192 EV_WATCHER_TIME (ev_periodic)
142 193
143 ev_tstamp interval; /* rw */ 194 ev_tstamp interval; /* rw */
144}; 195 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145 196} 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};
155 197
156/* invoked when the given signal has been received */ 198/* invoked when the given signal has been received */
157/* revent EV_SIGNAL */ 199/* revent EV_SIGNAL */
158struct ev_signal 200typedef struct ev_signal
159{ 201{
160 EV_WATCHER_LIST (ev_signal); 202 EV_WATCHER_LIST (ev_signal)
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
164 203
165 int signum; /* ro */ 204 int signum; /* ro */
166}; 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
167 242
168/* 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 */
169/* revent EV_IDLE */ 244/* revent EV_IDLE */
170struct ev_idle 245typedef struct ev_idle
171{ 246{
172 EV_WATCHER (ev_idle); 247 EV_WATCHER (ev_idle)
173}; 248} ev_idle;
174 249
175/* 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 */
176/* you can still change events in any way you like */ 251/* you can still change events in any way you like */
177/* revent EV_PREPARE */ 252/* revent EV_PREPARE */
178struct ev_prepare 253typedef struct ev_prepare
179{ 254{
180 EV_WATCHER (ev_prepare); 255 EV_WATCHER (ev_prepare)
181}; 256} ev_prepare;
182 257
183/* 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 */
184/* revent EV_CHECK */ 259/* revent EV_CHECK */
185struct ev_check 260typedef struct ev_check
186{ 261{
187 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
188}; 308};
189 309
190/* invoked when sigchld is received and waitpid indicates the givne pid */ 310/* bits for ev_default_loop and ev_loop_new */
191/* revent EV_CHILD */ 311/* the default */
192/* does not support priorities */ 312#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
193struct ev_child 313/* flag bits */
194{ 314#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
195 EV_WATCHER_LIST (ev_child); 315#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
196 316/* method bits to be ored together */
197 int pid; /* ro */ 317#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
198 int rpid; /* rw, holds the received pid */ 318#define EVBACKEND_POLL 0x00000002UL /* !win */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 319#define EVBACKEND_EPOLL 0x00000004UL /* linux */
200}; 320#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
201 321#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
202#define EVMETHOD_AUTO 0 /* consults environment */ 322#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_WIN32 64 /* NYI */
210#define EVMETHOD_ANY ~0 /* any method, do not consult env */
211 323
212#if EV_PROTOTYPES 324#if EV_PROTOTYPES
213int ev_version_major (void); 325int ev_version_major (void);
214int ev_version_minor (void); 326int ev_version_minor (void);
215 327
328unsigned int ev_supported_backends (void);
329unsigned int ev_recommended_backends (void);
330unsigned int ev_embeddable_backends (void);
331
216ev_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));
217 347
218# if EV_MULTIPLICITY 348# if EV_MULTIPLICITY
219/* the default loop is the only one that handles signals and child watchers */ 349/* the default loop is the only one that handles signals and child watchers */
220/* you can call this as often as you like */ 350/* you can call this as often as you like */
221struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 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}
222 362
223/* create and destroy alternative loops that don't handle signals */ 363/* create and destroy alternative loops that don't handle signals */
224struct ev_loop *ev_loop_new (int methods); 364struct ev_loop *ev_loop_new (unsigned int flags);
225void ev_loop_destroy (EV_P); 365void ev_loop_destroy (EV_P);
226void ev_loop_fork (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
227# else 370# else
371
228int ev_default_loop (int methods); /* returns true when successful */ 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}
229# endif 381# endif
230 382
231void ev_default_destroy (void); /* destroy the default loop */ 383void ev_default_destroy (void); /* destroy the default loop */
232/* this needs to be called after fork, to duplicate the default loop */ 384/* this needs to be called after fork, to duplicate the default loop */
233/* if you create alternative loops you have to call ev_loop_fork on them */ 385/* if you create alternative loops you have to call ev_loop_fork on them */
234/* you can call it in either the parent or the child */ 386/* you can call it in either the parent or the child */
235/* you can actually call it at any time, anywhere :) */ 387/* you can actually call it at any time, anywhere :) */
236void ev_default_fork (void); 388void ev_default_fork (void);
237 389
238int ev_method (EV_P); 390unsigned int ev_backend (EV_P);
239#endif 391#endif
240 392
241#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 393#define EVLOOP_NONBLOCK 1 /* do not block/wait */
242#define EVLOOP_ONESHOT 2 /* block *once* only */ 394#define EVLOOP_ONESHOT 2 /* block *once* only */
395#define EVUNLOOP_CANCEL 0 /* undo unloop */
243#define EVUNLOOP_ONCE 1 /* unloop once */ 396#define EVUNLOOP_ONE 1 /* unloop once */
244#define EVUNLOOP_ALL 2 /* unloop all loops */ 397#define EVUNLOOP_ALL 2 /* unloop all loops */
245 398
246#if EV_PROTOTYPES 399#if EV_PROTOTYPES
247void ev_loop (EV_P_ int flags); 400void ev_loop (EV_P_ int flags);
248void 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 */ 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 */
249
250ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
251 402
252/* 403/*
253 * 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
254 * 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
255 * 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.
261/* if timeout is < 0, do wait indefinitely */ 412/* if timeout is < 0, do wait indefinitely */
262void 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);
263#endif 414#endif
264 415
265/* 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 */
266/* 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 */
267#define ev_watcher_init(ev,cb_) do { \ 418#define ev_init(ev,cb_) do { \
268 ((struct ev_watcher *)(void *)(ev))->active = \ 419 ((ev_watcher *)(void *)(ev))->active = \
269 ((struct ev_watcher *)(void *)(ev))->pending = \ 420 ((ev_watcher *)(void *)(ev))->pending = \
270 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 421 ((ev_watcher *)(void *)(ev))->priority = 0; \
271 (ev)->cb = (cb_); \ 422 ev_set_cb ((ev), cb_); \
272} while (0) 423} while (0)
273 424
274#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)
275#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)
276#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)
277#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)
278#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 */
279#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 */
280#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 */
281#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 */
282 436
283#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)
284#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)
285#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)
286#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)
287#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
288#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
289#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
290#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)
291 448
292#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 449#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
293#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, 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 */
294 451
295#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ 452#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
296#define ev_cb(ev) (ev)->cb /* rw */ 453#define ev_cb(ev) (ev)->cb /* rw */
297#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 454#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
455
456#ifndef ev_set_cb
298#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 457# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
458#endif
299 459
300/* 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 */
301/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 461/* stopping (disabling, deleting) a watcher does nothing unless its already running */
302#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
303void ev_io_start (EV_P_ struct ev_io *w); 470void ev_io_start (EV_P_ ev_io *w);
304void ev_io_stop (EV_P_ struct ev_io *w); 471void ev_io_stop (EV_P_ ev_io *w);
305 472
306void ev_timer_start (EV_P_ struct ev_timer *w); 473void ev_timer_start (EV_P_ ev_timer *w);
307void ev_timer_stop (EV_P_ struct ev_timer *w); 474void ev_timer_stop (EV_P_ ev_timer *w);
308/* 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 */
309void ev_timer_again (EV_P_ struct ev_timer *w); 476void ev_timer_again (EV_P_ ev_timer *w);
310 477
478#if EV_PERIODIC_ENABLE
311void ev_periodic_start (EV_P_ struct ev_periodic *w); 479void ev_periodic_start (EV_P_ ev_periodic *w);
312void ev_periodic_stop (EV_P_ struct ev_periodic *w); 480void ev_periodic_stop (EV_P_ ev_periodic *w);
313 481void ev_periodic_again (EV_P_ ev_periodic *w);
314void ev_idle_start (EV_P_ struct ev_idle *w); 482#endif
315void ev_idle_stop (EV_P_ struct ev_idle *w);
316
317void ev_prepare_start (EV_P_ struct ev_prepare *w);
318void ev_prepare_stop (EV_P_ struct ev_prepare *w);
319
320void ev_check_start (EV_P_ struct ev_check *w);
321void ev_check_stop (EV_P_ struct ev_check *w);
322 483
323/* only supported in the default loop */ 484/* only supported in the default loop */
324void ev_signal_start (EV_P_ struct ev_signal *w); 485void ev_signal_start (EV_P_ ev_signal *w);
325void ev_signal_stop (EV_P_ struct ev_signal *w); 486void ev_signal_stop (EV_P_ ev_signal *w);
326 487
327/* only supported in the default loop */ 488/* only supported in the default loop */
328void ev_child_start (EV_P_ struct ev_child *w); 489void ev_child_start (EV_P_ ev_child *w);
329void ev_child_stop (EV_P_ struct 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
498void ev_idle_start (EV_P_ ev_idle *w);
499void ev_idle_stop (EV_P_ ev_idle *w);
500
501void ev_prepare_start (EV_P_ ev_prepare *w);
502void ev_prepare_stop (EV_P_ ev_prepare *w);
503
504void ev_check_start (EV_P_ ev_check *w);
505void ev_check_stop (EV_P_ ev_check *w);
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 */
514void ev_embed_start (EV_P_ ev_embed *w);
515void ev_embed_stop (EV_P_ ev_embed *w);
516void ev_embed_sweep (EV_P_ ev_embed *w);
517# endif
518
330#endif 519#endif
331 520
332#ifdef __cplusplus 521#ifdef __cplusplus
333} 522}
334#endif 523#endif

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