ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.h
(Generate patch)

Comparing libev/ev.h (file contents):
Revision 1.43 by root, Fri Nov 9 17:10:57 2007 UTC vs.
Revision 1.79 by root, Sat Dec 8 03:53:36 2007 UTC

… …
46 46
47#ifndef EV_MULTIPLICITY 47#ifndef EV_MULTIPLICITY
48# define EV_MULTIPLICITY 1 48# define EV_MULTIPLICITY 1
49#endif 49#endif
50 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
51/* support multiple event loops? */ 77/* support multiple event loops? */
52#if EV_MULTIPLICITY 78#if EV_MULTIPLICITY
53struct ev_loop; 79struct ev_loop;
54# define EV_P struct ev_loop *loop 80# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 81# define EV_P_ EV_P,
56# define EV_A loop 82# define EV_A loop
57# define EV_A_ EV_A, 83# define EV_A_ EV_A,
84# define EV_DEFAULT ev_default_loop (0)
85# define EV_DEFAULT_ EV_DEFAULT,
58#else 86#else
59# define EV_P void 87# define EV_P void
60# define EV_P_ 88# define EV_P_
61# define EV_A 89# define EV_A
62# define EV_A_ 90# define EV_A_
91# define EV_DEFAULT
92# define EV_DEFAULT_
93
94# undef EV_EMBED_ENABLE
63#endif 95#endif
64 96
65/* eventmask, revents, events... */ 97/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 98#define EV_UNDEF -1L /* guaranteed to be invalid */
67#define EV_NONE 0x00 99#define EV_NONE 0x00L /* no events */
68#define EV_READ 0x01 100#define EV_READ 0x01L /* ev_io detected read will not block */
69#define EV_WRITE 0x02 101#define EV_WRITE 0x02L /* ev_io detected write will not block */
70#define EV_TIMEOUT 0x000100 102#define EV_TIMEOUT 0x00000100L /* timer timed out */
71#define EV_PERIODIC 0x000200 103#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
72#define EV_SIGNAL 0x000400 104#define EV_SIGNAL 0x00000400L /* signal was received */
73#define EV_IDLE 0x000800 105#define EV_CHILD 0x00000800L /* child/pid had status change */
74#define EV_CHECK 0x001000 106#define EV_STAT 0x00001000L /* stat data changed */
75#define EV_PREPARE 0x002000 107#define EV_IDLE 0x00002000L /* event loop is idling */
76#define EV_CHILD 0x004000 108#define EV_PREPARE 0x00004000L /* event loop about to poll */
109#define EV_CHECK 0x00008000L /* event loop finished poll */
110#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
111#define EV_FORK 0x00020000L /* event loop resumed in child */
77#define EV_ERROR 0x800000 /* sent when an error occurs */ 112#define EV_ERROR 0x80000000L /* sent when an error occurs */
78 113
79/* can be used to add custom fields to all watchers */ 114/* can be used to add custom fields to all watchers, while losing binary compatibility */
80#ifndef EV_COMMON 115#ifndef EV_COMMON
81# define EV_COMMON void *data 116# define EV_COMMON void *data;
82#endif 117#endif
83#ifndef EV_PROTOTYPES 118#ifndef EV_PROTOTYPES
84# define EV_PROTOTYPES 1 119# define EV_PROTOTYPES 1
85#endif 120#endif
86 121
87#define EV_VERSION_MAJOR 1 122#define EV_VERSION_MAJOR 1
88#define EV_VERSION_MINOR 1 123#define EV_VERSION_MINOR 1
124
125#ifndef EV_CB_DECLARE
126# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
127#endif
128#ifndef EV_CB_INVOKE
129# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
130#endif
89 131
90/* 132/*
91 * struct member types: 133 * struct member types:
92 * private: you can look at them, but not change them, and they might not mean anything to you. 134 * 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 135 * ro: can be read anytime, but only changed when the watcher isn't active
… …
97/* shared by all watchers */ 139/* shared by all watchers */
98#define EV_WATCHER(type) \ 140#define EV_WATCHER(type) \
99 int active; /* private */ \ 141 int active; /* private */ \
100 int pending; /* private */ \ 142 int pending; /* private */ \
101 int priority; /* private */ \ 143 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 144 EV_COMMON /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents) /* private */ /* gets invoked with an eventmask */ 145 EV_CB_DECLARE (type) /* private */
104 146
105#define EV_WATCHER_LIST(type) \ 147#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 148 EV_WATCHER (type) \
107 struct ev_watcher_list *next /* private */ 149 struct ev_watcher_list *next; /* private */
108 150
109#define EV_WATCHER_TIME(type) \ 151#define EV_WATCHER_TIME(type) \
110 EV_WATCHER (type); \ 152 EV_WATCHER (type) \
111 ev_tstamp at /* private */ 153 ev_tstamp at; /* private */
112 154
113/* base class, nothing to see here unless you subclass */ 155/* base class, nothing to see here unless you subclass */
114struct ev_watcher { 156typedef struct ev_watcher
157{
115 EV_WATCHER (ev_watcher); 158 EV_WATCHER (ev_watcher)
116}; 159} ev_watcher;
117 160
118/* base class, nothing to see here unless you subclass */ 161/* base class, nothing to see here unless you subclass */
119struct ev_watcher_list { 162typedef struct ev_watcher_list
163{
120 EV_WATCHER_LIST (ev_watcher_list); 164 EV_WATCHER_LIST (ev_watcher_list)
121}; 165} ev_watcher_list;
122 166
123/* base class, nothing to see here unless you subclass */ 167/* base class, nothing to see here unless you subclass */
124struct ev_watcher_time { 168typedef struct ev_watcher_time
169{
125 EV_WATCHER_TIME (ev_watcher_time); 170 EV_WATCHER_TIME (ev_watcher_time)
126}; 171} ev_watcher_time;
172
173/* invoked when fd is either EV_READable or EV_WRITEable */
174/* revent EV_READ, EV_WRITE */
175typedef struct ev_io
176{
177 EV_WATCHER_LIST (ev_io)
178
179 int fd; /* ro */
180 int events; /* ro */
181} ev_io;
127 182
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 183/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 184/* revent EV_TIMEOUT */
130struct ev_timer 185typedef struct ev_timer
131{ 186{
132 EV_WATCHER_TIME (ev_timer); 187 EV_WATCHER_TIME (ev_timer)
133 188
134 ev_tstamp repeat; /* rw */ 189 ev_tstamp repeat; /* rw */
135}; 190} ev_timer;
136 191
137/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 192/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138/* revent EV_PERIODIC */ 193/* revent EV_PERIODIC */
139struct ev_periodic 194typedef struct ev_periodic
140{ 195{
141 EV_WATCHER_TIME (ev_periodic); 196 EV_WATCHER_TIME (ev_periodic)
142 197
143 ev_tstamp interval; /* rw */ 198 ev_tstamp interval; /* rw */
144 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 199 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145}; 200} ev_periodic;
146
147/* invoked when fd is either EV_READable or EV_WRITEable */
148/* revent EV_READ, EV_WRITE */
149struct ev_io
150{
151 EV_WATCHER_LIST (ev_io);
152
153 int fd; /* ro */
154 int events; /* ro */
155};
156 201
157/* invoked when the given signal has been received */ 202/* invoked when the given signal has been received */
158/* revent EV_SIGNAL */ 203/* revent EV_SIGNAL */
159struct ev_signal 204typedef struct ev_signal
160{ 205{
161 EV_WATCHER_LIST (ev_signal); 206 EV_WATCHER_LIST (ev_signal)
162 207
163 int signum; /* ro */ 208 int signum; /* ro */
164}; 209} ev_signal;
165 210
211/* invoked when sigchld is received and waitpid indicates the given pid */
212/* revent EV_CHILD */
213/* does not support priorities */
214typedef struct ev_child
215{
216 EV_WATCHER_LIST (ev_child)
217
218 int pid; /* ro */
219 int rpid; /* rw, holds the received pid */
220 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
221} ev_child;
222
223#if EV_STAT_ENABLE
224/* st_nlink = 0 means missing file or other error */
225# ifdef _WIN32
226typedef struct _stati64 ev_statdata;
227# else
228typedef struct stat ev_statdata;
229# endif
230
231/* invoked each time the stat data changes for a given path */
232/* revent EV_STAT */
233typedef struct ev_stat
234{
235 EV_WATCHER_LIST (ev_stat)
236
237 ev_timer timer; /* private */
238 ev_tstamp interval; /* ro */
239 const char *path; /* ro */
240 ev_statdata prev; /* ro */
241 ev_statdata attr; /* ro */
242
243 int wd; /* wd for inotify, fd for kqueue */
244} ev_stat;
245#endif
246
247#if EV_IDLE_ENABLE
166/* invoked when the nothing else needs to be done, keeps the process from blocking */ 248/* invoked when the nothing else needs to be done, keeps the process from blocking */
167/* revent EV_IDLE */ 249/* revent EV_IDLE */
168struct ev_idle 250typedef struct ev_idle
169{ 251{
170 EV_WATCHER (ev_idle); 252 EV_WATCHER (ev_idle)
171}; 253} ev_idle;
254#endif
172 255
173/* invoked for each run of the mainloop, just before the blocking call */ 256/* invoked for each run of the mainloop, just before the blocking call */
174/* you can still change events in any way you like */ 257/* you can still change events in any way you like */
175/* revent EV_PREPARE */ 258/* revent EV_PREPARE */
176struct ev_prepare 259typedef struct ev_prepare
177{ 260{
178 EV_WATCHER (ev_prepare); 261 EV_WATCHER (ev_prepare)
179}; 262} ev_prepare;
180 263
181/* invoked for each run of the mainloop, just after the blocking call */ 264/* invoked for each run of the mainloop, just after the blocking call */
182/* revent EV_CHECK */ 265/* revent EV_CHECK */
183struct ev_check 266typedef struct ev_check
184{ 267{
185 EV_WATCHER (ev_check); 268 EV_WATCHER (ev_check)
186}; 269} ev_check;
187 270
188/* invoked when sigchld is received and waitpid indicates the givne pid */ 271#if EV_FORK_ENABLE
189/* revent EV_CHILD */ 272/* the callback gets invoked before check in the child process when a fork was detected */
190/* does not support priorities */ 273typedef struct ev_fork
191struct ev_child
192{ 274{
193 EV_WATCHER_LIST (ev_child); 275 EV_WATCHER (ev_fork)
276} ev_fork;
277#endif
194 278
195 int pid; /* ro */ 279#if EV_EMBED_ENABLE
196 int rpid; /* rw, holds the received pid */ 280/* used to embed an event loop inside another */
197 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 281/* the callback gets invoked when the event loop has handled events, and can be 0 */
198}; 282typedef struct ev_embed
283{
284 EV_WATCHER (ev_embed)
285
286 ev_io io; /* private */
287 struct ev_loop *loop; /* ro */
288} ev_embed;
289#endif
199 290
200/* the presence of this union forces similar struct layout */ 291/* the presence of this union forces similar struct layout */
201union ev_any_watcher 292union ev_any_watcher
202{ 293{
203 struct ev_watcher w; 294 struct ev_watcher w;
204 struct ev_watcher_list wl; 295 struct ev_watcher_list wl;
296
205 struct ev_io io; 297 struct ev_io io;
206 struct ev_timer timer; 298 struct ev_timer timer;
207 struct ev_periodic periodic; 299 struct ev_periodic periodic;
208 struct ev_signal signal; 300 struct ev_signal signal;
301 struct ev_child child;
302#if EV_STAT_ENABLE
303 struct ev_stat stat;
304#endif
305#if EV_IDLE_ENABLE
209 struct ev_idle idle; 306 struct ev_idle idle;
210 struct ev_child child; 307#endif
211 struct ev_prepare prepare; 308 struct ev_prepare prepare;
212 struct ev_check check; 309 struct ev_check check;
310#if EV_FORK_ENABLE
311 struct ev_fork fork;
312#endif
313#if EV_EMBED_ENABLE
314 struct ev_embed embed;
315#endif
213}; 316};
214 317
215#define EVMETHOD_AUTO 0 /* consults environment */ 318/* bits for ev_default_loop and ev_loop_new */
216#define EVMETHOD_SELECT 1 319/* the default */
217#define EVMETHOD_POLL 2 320#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
218#define EVMETHOD_EPOLL 4 321/* flag bits */
219#define EVMETHOD_KQUEUE 8 322#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
220#define EVMETHOD_DEVPOLL 16 /* NYI */ 323#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
221#define EVMETHOD_PORT 32 /* NYI */ 324/* method bits to be ored together */
222#define EVMETHOD_WIN32 64 /* NYI */ 325#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
223#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 326#define EVBACKEND_POLL 0x00000002UL /* !win */
327#define EVBACKEND_EPOLL 0x00000004UL /* linux */
328#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
329#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
330#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
224 331
225#if EV_PROTOTYPES 332#if EV_PROTOTYPES
226int ev_version_major (void); 333int ev_version_major (void);
227int ev_version_minor (void); 334int ev_version_minor (void);
335
336unsigned int ev_supported_backends (void);
337unsigned int ev_recommended_backends (void);
338unsigned int ev_embeddable_backends (void);
228 339
229ev_tstamp ev_time (void); 340ev_tstamp ev_time (void);
230 341
231/* Sets the allocation function to use, works like realloc. 342/* Sets the allocation function to use, works like realloc.
232 * It is used to allocate and free memory. 343 * It is used to allocate and free memory.
… …
243void ev_set_syserr_cb (void (*cb)(const char *msg)); 354void ev_set_syserr_cb (void (*cb)(const char *msg));
244 355
245# if EV_MULTIPLICITY 356# if EV_MULTIPLICITY
246/* the default loop is the only one that handles signals and child watchers */ 357/* the default loop is the only one that handles signals and child watchers */
247/* you can call this as often as you like */ 358/* you can call this as often as you like */
248struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 359static struct ev_loop *
360ev_default_loop (unsigned int flags)
361{
362 extern struct ev_loop *ev_default_loop_ptr;
363 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
364
365 if (!ev_default_loop_ptr)
366 ev_default_loop_init (flags);
367
368 return ev_default_loop_ptr;
369}
249 370
250/* create and destroy alternative loops that don't handle signals */ 371/* create and destroy alternative loops that don't handle signals */
251struct ev_loop *ev_loop_new (int methods); 372struct ev_loop *ev_loop_new (unsigned int flags);
252void ev_loop_destroy (EV_P); 373void ev_loop_destroy (EV_P);
253void ev_loop_fork (EV_P); 374void ev_loop_fork (EV_P);
375
376ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
377
254# else 378# else
379
255int ev_default_loop (int methods); /* returns true when successful */ 380int ev_default_loop (unsigned int flags); /* returns true when successful */
381
382static ev_tstamp
383ev_now (void)
384{
385 extern ev_tstamp ev_rt_now;
386
387 return ev_rt_now;
388}
256# endif 389# endif
257 390
258void ev_default_destroy (void); /* destroy the default loop */ 391void ev_default_destroy (void); /* destroy the default loop */
259/* this needs to be called after fork, to duplicate the default loop */ 392/* this needs to be called after fork, to duplicate the default loop */
260/* if you create alternative loops you have to call ev_loop_fork on them */ 393/* if you create alternative loops you have to call ev_loop_fork on them */
261/* you can call it in either the parent or the child */ 394/* you can call it in either the parent or the child */
262/* you can actually call it at any time, anywhere :) */ 395/* you can actually call it at any time, anywhere :) */
263void ev_default_fork (void); 396void ev_default_fork (void);
264 397
265int ev_method (EV_P); 398unsigned int ev_backend (EV_P);
399unsigned int ev_loop_count (EV_P);
266#endif 400#endif
267 401
268#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 402#define EVLOOP_NONBLOCK 1 /* do not block/wait */
269#define EVLOOP_ONESHOT 2 /* block *once* only */ 403#define EVLOOP_ONESHOT 2 /* block *once* only */
404#define EVUNLOOP_CANCEL 0 /* undo unloop */
270#define EVUNLOOP_ONCE 1 /* unloop once */ 405#define EVUNLOOP_ONE 1 /* unloop once */
271#define EVUNLOOP_ALL 2 /* unloop all loops */ 406#define EVUNLOOP_ALL 2 /* unloop all loops */
272 407
273#if EV_PROTOTYPES 408#if EV_PROTOTYPES
274void ev_loop (EV_P_ int flags); 409void ev_loop (EV_P_ int flags);
275void 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 */ 410void 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 */
276
277ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
278 411
279/* 412/*
280 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 413 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
281 * keeps one reference. if you have a long-runing watcher you never unregister that 414 * keeps one reference. if you have a long-runing watcher you never unregister that
282 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 415 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
288/* if timeout is < 0, do wait indefinitely */ 421/* if timeout is < 0, do wait indefinitely */
289void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 422void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
290#endif 423#endif
291 424
292/* these may evaluate ev multiple times, and the other arguments at most once */ 425/* these may evaluate ev multiple times, and the other arguments at most once */
293/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 426/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
294#define ev_watcher_init(ev,cb_) do { \ 427#define ev_init(ev,cb_) do { \
295 ((struct ev_watcher *)(void *)(ev))->active = \ 428 ((ev_watcher *)(void *)(ev))->active = \
296 ((struct ev_watcher *)(void *)(ev))->pending = \ 429 ((ev_watcher *)(void *)(ev))->pending = \
297 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 430 ((ev_watcher *)(void *)(ev))->priority = 0; \
298 (ev)->cb = (cb_); \ 431 ev_set_cb ((ev), cb_); \
299} while (0) 432} while (0)
300 433
301#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 434#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
302#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 435#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
303#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 436#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
304#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 437#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
438#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
439#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
305#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 440#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
306#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 441#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
307#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 442#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
308#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 443#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
444#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
309 445
310#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 446#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
311#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 447#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
312#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 448#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
313#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 449#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
314#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
315#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
316#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
317#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 450#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
451#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
452#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
453#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
454#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
455#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
456#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
318 457
319#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 458#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
320#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 459#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
321 460
322#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ 461#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
323#define ev_cb(ev) (ev)->cb /* rw */ 462#define ev_cb(ev) (ev)->cb /* rw */
324#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 463#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
464
465#ifndef ev_set_cb
325#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 466# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
467#endif
326 468
327/* stopping (enabling, adding) a watcher does nothing if it is already running */ 469/* stopping (enabling, adding) a watcher does nothing if it is already running */
328/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 470/* stopping (disabling, deleting) a watcher does nothing unless its already running */
329#if EV_PROTOTYPES 471#if EV_PROTOTYPES
330 472
331/* feeds an event into a watcher as if the event actually occured */ 473/* feeds an event into a watcher as if the event actually occured */
332/* accepts any ev_watcher type */ 474/* accepts any ev_watcher type */
333void ev_feed_event (EV_P_ void *w, int revents); 475void ev_feed_event (EV_P_ void *w, int revents);
334void ev_feed_fd_event (EV_P_ int fd, int revents); 476void ev_feed_fd_event (EV_P_ int fd, int revents);
335void ev_feed_signal_event (EV_P_ int signum); 477void ev_feed_signal_event (EV_P_ int signum);
478void ev_clear_pending (EV_P_ void *w, int invoke);
336 479
337void ev_io_start (EV_P_ struct ev_io *w); 480void ev_io_start (EV_P_ ev_io *w);
338void ev_io_stop (EV_P_ struct ev_io *w); 481void ev_io_stop (EV_P_ ev_io *w);
339 482
340void ev_timer_start (EV_P_ struct ev_timer *w); 483void ev_timer_start (EV_P_ ev_timer *w);
341void ev_timer_stop (EV_P_ struct ev_timer *w); 484void ev_timer_stop (EV_P_ ev_timer *w);
342/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 485/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
343void ev_timer_again (EV_P_ struct ev_timer *w); 486void ev_timer_again (EV_P_ ev_timer *w);
344 487
488#if EV_PERIODIC_ENABLE
345void ev_periodic_start (EV_P_ struct ev_periodic *w); 489void ev_periodic_start (EV_P_ ev_periodic *w);
346void ev_periodic_stop (EV_P_ struct ev_periodic *w); 490void ev_periodic_stop (EV_P_ ev_periodic *w);
347void ev_periodic_again (EV_P_ struct ev_periodic *w); 491void ev_periodic_again (EV_P_ ev_periodic *w);
348 492#endif
349void ev_idle_start (EV_P_ struct ev_idle *w);
350void ev_idle_stop (EV_P_ struct ev_idle *w);
351
352void ev_prepare_start (EV_P_ struct ev_prepare *w);
353void ev_prepare_stop (EV_P_ struct ev_prepare *w);
354
355void ev_check_start (EV_P_ struct ev_check *w);
356void ev_check_stop (EV_P_ struct ev_check *w);
357 493
358/* only supported in the default loop */ 494/* only supported in the default loop */
359void ev_signal_start (EV_P_ struct ev_signal *w); 495void ev_signal_start (EV_P_ ev_signal *w);
360void ev_signal_stop (EV_P_ struct ev_signal *w); 496void ev_signal_stop (EV_P_ ev_signal *w);
361 497
362/* only supported in the default loop */ 498/* only supported in the default loop */
363void ev_child_start (EV_P_ struct ev_child *w); 499void ev_child_start (EV_P_ ev_child *w);
364void ev_child_stop (EV_P_ struct ev_child *w); 500void ev_child_stop (EV_P_ ev_child *w);
501
502# if EV_STAT_ENABLE
503void ev_stat_start (EV_P_ ev_stat *w);
504void ev_stat_stop (EV_P_ ev_stat *w);
505void ev_stat_stat (EV_P_ ev_stat *w);
506# endif
507
508# if EV_IDLE_ENABLE
509void ev_idle_start (EV_P_ ev_idle *w);
510void ev_idle_stop (EV_P_ ev_idle *w);
511# endif
512
513void ev_prepare_start (EV_P_ ev_prepare *w);
514void ev_prepare_stop (EV_P_ ev_prepare *w);
515
516void ev_check_start (EV_P_ ev_check *w);
517void ev_check_stop (EV_P_ ev_check *w);
518
519# if EV_FORK_ENABLE
520void ev_fork_start (EV_P_ ev_fork *w);
521void ev_fork_stop (EV_P_ ev_fork *w);
522# endif
523
524# if EV_EMBED_ENABLE
525/* only supported when loop to be embedded is in fact embeddable */
526void ev_embed_start (EV_P_ ev_embed *w);
527void ev_embed_stop (EV_P_ ev_embed *w);
528void ev_embed_sweep (EV_P_ ev_embed *w);
529# endif
530
365#endif 531#endif
366 532
367#ifdef __cplusplus 533#ifdef __cplusplus
368} 534}
369#endif 535#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines