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Comparing libev/ev.h (file contents):
Revision 1.30 by root, Sun Nov 4 15:58:50 2007 UTC vs.
Revision 1.69 by root, Mon Nov 26 19:49:36 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;
127 163
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 164/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 165/* revent EV_TIMEOUT */
130struct ev_timer 166typedef struct ev_timer
131{ 167{
132 EV_WATCHER_TIME (ev_timer); 168 EV_WATCHER_TIME (ev_timer)
133 169
134 ev_tstamp repeat; /* rw */ 170 ev_tstamp repeat; /* rw */
135}; 171} ev_timer;
136 172
137/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 173/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138/* revent EV_PERIODIC */ 174/* revent EV_PERIODIC */
139struct ev_periodic 175typedef struct ev_periodic
140{ 176{
141 EV_WATCHER_TIME (ev_periodic); 177 EV_WATCHER_TIME (ev_periodic)
142 178
143 ev_tstamp interval; /* rw */ 179 ev_tstamp interval; /* rw */
144}; 180 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
181} ev_periodic;
145 182
146/* invoked when fd is either EV_READable or EV_WRITEable */ 183/* invoked when fd is either EV_READable or EV_WRITEable */
147/* revent EV_READ, EV_WRITE */ 184/* revent EV_READ, EV_WRITE */
148struct ev_io 185typedef struct ev_io
149{ 186{
150 EV_WATCHER_LIST (ev_io); 187 EV_WATCHER_LIST (ev_io)
151 188
152 int fd; /* ro */ 189 int fd; /* ro */
153 int events; /* ro */ 190 int events; /* ro */
154}; 191} ev_io;
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;
167 201
168/* invoked when the nothing else needs to be done, keeps the process from blocking */ 202/* invoked when the nothing else needs to be done, keeps the process from blocking */
169/* revent EV_IDLE */ 203/* revent EV_IDLE */
170struct ev_idle 204typedef struct ev_idle
171{ 205{
172 EV_WATCHER (ev_idle); 206 EV_WATCHER (ev_idle)
173}; 207} ev_idle;
174 208
175/* invoked for each run of the mainloop, just before the blocking call */ 209/* invoked for each run of the mainloop, just before the blocking call */
176/* you can still change events in any way you like */ 210/* you can still change events in any way you like */
177/* revent EV_PREPARE */ 211/* revent EV_PREPARE */
178struct ev_prepare 212typedef struct ev_prepare
179{ 213{
180 EV_WATCHER (ev_prepare); 214 EV_WATCHER (ev_prepare)
181}; 215} ev_prepare;
182 216
183/* invoked for each run of the mainloop, just after the blocking call */ 217/* invoked for each run of the mainloop, just after the blocking call */
184/* revent EV_CHECK */ 218/* revent EV_CHECK */
185struct ev_check 219typedef struct ev_check
186{ 220{
187 EV_WATCHER (ev_check); 221 EV_WATCHER (ev_check)
188}; 222} ev_check;
189 223
190/* invoked when sigchld is received and waitpid indicates the givne pid */ 224/* invoked when sigchld is received and waitpid indicates the given pid */
191/* revent EV_CHILD */ 225/* revent EV_CHILD */
192/* does not support priorities */ 226/* does not support priorities */
193struct ev_child 227typedef struct ev_child
194{ 228{
195 EV_WATCHER_LIST (ev_child); 229 EV_WATCHER_LIST (ev_child)
196 230
197 int pid; /* ro */ 231 int pid; /* ro */
198 int rpid; /* rw, holds the received pid */ 232 int rpid; /* rw, holds the received pid */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 233 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
234} ev_child;
235
236#if EV_EMBED_ENABLE
237/* used to embed an event loop inside another */
238/* the callback gets invoked when the event loop has handled events, and can be 0 */
239typedef struct ev_embed
240{
241 EV_WATCHER (ev_embed)
242
243 ev_io io; /* private */
244 struct ev_loop *loop; /* ro */
245} ev_embed;
246#endif
247
248#if EV_STAT_ENABLE
249/* st_nlink = 0 means missing file or other error */
250typedef struct stat ev_statdata;
251
252/* invoked each time the stat data changes for a given path */
253/* revent EV_STAT */
254typedef struct ev_stat
255{
256 EV_WATCHER (ev_stat)
257
258 ev_timer timer; /* private */
259 ev_tstamp interval; /* rw */
260 const char *path; /* ro */
261 ev_statdata prev; /* ro */
262 ev_statdata attr; /* ro */
263} ev_stat;
264#endif
265
266/* the presence of this union forces similar struct layout */
267union ev_any_watcher
268{
269 struct ev_watcher w;
270 struct ev_watcher_list wl;
271
272 struct ev_io io;
273 struct ev_timer timer;
274 struct ev_periodic periodic;
275 struct ev_idle idle;
276 struct ev_prepare prepare;
277 struct ev_check check;
278 struct ev_signal signal;
279 struct ev_child child;
280#if EV_EMBED_ENABLE
281 struct ev_embed embed;
282#endif
283#if EV_STAT_ENABLE
284 struct ev_stat stat;
285#endif
200}; 286};
201 287
202#define EVMETHOD_AUTO 0 /* consults environment */ 288/* bits for ev_default_loop and ev_loop_new */
203#define EVMETHOD_SELECT 1 289/* the default */
204#define EVMETHOD_POLL 2 290#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
205#define EVMETHOD_EPOLL 4 291/* flag bits */
206#define EVMETHOD_KQUEUE 8 292#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
207#define EVMETHOD_DEVPOLL 16 /* NYI */ 293/* method bits to be ored together */
208#define EVMETHOD_PORT 32 /* NYI */ 294#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
209#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 295#define EVBACKEND_POLL 0x00000002UL /* !win */
296#define EVBACKEND_EPOLL 0x00000004UL /* linux */
297#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
298#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
299#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
210 300
211#if EV_PROTOTYPES 301#if EV_PROTOTYPES
212int ev_version_major (void); 302int ev_version_major (void);
213int ev_version_minor (void); 303int ev_version_minor (void);
214 304
305unsigned int ev_supported_backends (void);
306unsigned int ev_recommended_backends (void);
307unsigned int ev_embeddable_backends (void);
308
215ev_tstamp ev_time (void); 309ev_tstamp ev_time (void);
310
311/* Sets the allocation function to use, works like realloc.
312 * It is used to allocate and free memory.
313 * If it returns zero when memory needs to be allocated, the library might abort
314 * or take some potentially destructive action.
315 * The default is your system realloc function.
316 */
317void ev_set_allocator (void *(*cb)(void *ptr, long size));
318
319/* set the callback function to call on a
320 * retryable syscall error
321 * (such as failed select, poll, epoll_wait)
322 */
323void ev_set_syserr_cb (void (*cb)(const char *msg));
216 324
217# if EV_MULTIPLICITY 325# if EV_MULTIPLICITY
218/* the default loop is the only one that handles signals and child watchers */ 326/* the default loop is the only one that handles signals and child watchers */
219/* you can call this as often as you like */ 327/* you can call this as often as you like */
220struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 328static struct ev_loop *
329ev_default_loop (unsigned int flags)
330{
331 extern struct ev_loop *ev_default_loop_ptr;
332 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
333
334 if (!ev_default_loop_ptr)
335 ev_default_loop_init (flags);
336
337 return ev_default_loop_ptr;
338}
221 339
222/* create and destroy alternative loops that don't handle signals */ 340/* create and destroy alternative loops that don't handle signals */
223struct ev_loop *ev_loop_new (int methods); 341struct ev_loop *ev_loop_new (unsigned int flags);
224void ev_loop_destroy (EV_P); 342void ev_loop_destroy (EV_P);
225void ev_loop_fork (EV_P); 343void ev_loop_fork (EV_P);
344
345ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
346
226# else 347# else
348
227int ev_default_loop (int methods); /* returns true when successful */ 349int ev_default_loop (unsigned int flags); /* returns true when successful */
350
351static ev_tstamp
352ev_now (void)
353{
354 extern ev_tstamp ev_rt_now;
355
356 return ev_rt_now;
357}
228# endif 358# endif
229 359
230void ev_default_destroy (void); /* destroy the default loop */ 360void ev_default_destroy (void); /* destroy the default loop */
231/* this needs to be called after fork, to duplicate the default loop */ 361/* this needs to be called after fork, to duplicate the default loop */
232/* if you create alternative loops you have to call ev_loop_fork on them */ 362/* if you create alternative loops you have to call ev_loop_fork on them */
233/* you can call it in either the parent or the child */ 363/* you can call it in either the parent or the child */
234/* you can actually call it at any time, anywhere :) */ 364/* you can actually call it at any time, anywhere :) */
235void ev_default_fork (void); 365void ev_default_fork (void);
236 366
237int ev_method (EV_P); 367unsigned int ev_backend (EV_P);
238#endif 368#endif
239 369
240#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 370#define EVLOOP_NONBLOCK 1 /* do not block/wait */
241#define EVLOOP_ONESHOT 2 /* block *once* only */ 371#define EVLOOP_ONESHOT 2 /* block *once* only */
372#define EVUNLOOP_CANCEL 0 /* undo unloop */
242#define EVUNLOOP_ONCE 1 /* unloop once */ 373#define EVUNLOOP_ONE 1 /* unloop once */
243#define EVUNLOOP_ALL 2 /* unloop all loops */ 374#define EVUNLOOP_ALL 2 /* unloop all loops */
244 375
245#if EV_PROTOTYPES 376#if EV_PROTOTYPES
246void ev_loop (EV_P_ int flags); 377void ev_loop (EV_P_ int flags);
247void 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 */ 378void 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 */
248
249ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
250 379
251/* 380/*
252 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 381 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
253 * keeps one reference. if you have a long-runing watcher you never unregister that 382 * keeps one reference. if you have a long-runing watcher you never unregister that
254 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 383 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
260/* if timeout is < 0, do wait indefinitely */ 389/* if timeout is < 0, do wait indefinitely */
261void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 390void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
262#endif 391#endif
263 392
264/* these may evaluate ev multiple times, and the other arguments at most once */ 393/* these may evaluate ev multiple times, and the other arguments at most once */
265/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 394/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
266#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 395#define ev_init(ev,cb_) do { \
396 ((ev_watcher *)(void *)(ev))->active = \
397 ((ev_watcher *)(void *)(ev))->pending = \
398 ((ev_watcher *)(void *)(ev))->priority = 0; \
399 ev_set_cb ((ev), cb_); \
400} while (0)
267 401
268#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 402#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
269#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 403#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
270#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 404#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
271#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 405#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
272#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 406#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
273#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 407#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
274#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 408#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
275#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 409#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
410#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
411#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
276 412
277#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 413#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
278#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 414#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
279#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 415#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
280#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 416#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
281#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 417#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
282#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 418#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
283#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 419#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
284#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 420#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
421#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
422#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
285 423
424#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
286#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 425#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
426
427#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
428#define ev_cb(ev) (ev)->cb /* rw */
287#define ev_set_priority(ev,pri) (ev)->priority = pri 429#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
430
431#ifndef ev_set_cb
432# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
433#endif
288 434
289/* stopping (enabling, adding) a watcher does nothing if it is already running */ 435/* stopping (enabling, adding) a watcher does nothing if it is already running */
290/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 436/* stopping (disabling, deleting) a watcher does nothing unless its already running */
291#if EV_PROTOTYPES 437#if EV_PROTOTYPES
438
439/* feeds an event into a watcher as if the event actually occured */
440/* accepts any ev_watcher type */
441void ev_feed_event (EV_P_ void *w, int revents);
442void ev_feed_fd_event (EV_P_ int fd, int revents);
443void ev_feed_signal_event (EV_P_ int signum);
444
292void ev_io_start (EV_P_ struct ev_io *w); 445void ev_io_start (EV_P_ ev_io *w);
293void ev_io_stop (EV_P_ struct ev_io *w); 446void ev_io_stop (EV_P_ ev_io *w);
294 447
295void ev_timer_start (EV_P_ struct ev_timer *w); 448void ev_timer_start (EV_P_ ev_timer *w);
296void ev_timer_stop (EV_P_ struct ev_timer *w); 449void ev_timer_stop (EV_P_ ev_timer *w);
297/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 450/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
298void ev_timer_again (EV_P_ struct ev_timer *w); 451void ev_timer_again (EV_P_ ev_timer *w);
299 452
453#if EV_PERIODIC_ENABLE
300void ev_periodic_start (EV_P_ struct ev_periodic *w); 454void ev_periodic_start (EV_P_ ev_periodic *w);
301void ev_periodic_stop (EV_P_ struct ev_periodic *w); 455void ev_periodic_stop (EV_P_ ev_periodic *w);
456void ev_periodic_again (EV_P_ ev_periodic *w);
457#endif
302 458
303void ev_idle_start (EV_P_ struct ev_idle *w); 459void ev_idle_start (EV_P_ ev_idle *w);
304void ev_idle_stop (EV_P_ struct ev_idle *w); 460void ev_idle_stop (EV_P_ ev_idle *w);
305 461
306void ev_prepare_start (EV_P_ struct ev_prepare *w); 462void ev_prepare_start (EV_P_ ev_prepare *w);
307void ev_prepare_stop (EV_P_ struct ev_prepare *w); 463void ev_prepare_stop (EV_P_ ev_prepare *w);
308 464
309void ev_check_start (EV_P_ struct ev_check *w); 465void ev_check_start (EV_P_ ev_check *w);
310void ev_check_stop (EV_P_ struct ev_check *w); 466void ev_check_stop (EV_P_ ev_check *w);
311 467
312/* only supported in the default loop */ 468/* only supported in the default loop */
313void ev_signal_start (EV_P_ struct ev_signal *w); 469void ev_signal_start (EV_P_ ev_signal *w);
314void ev_signal_stop (EV_P_ struct ev_signal *w); 470void ev_signal_stop (EV_P_ ev_signal *w);
315 471
316/* only supported in the default loop */ 472/* only supported in the default loop */
317void ev_child_start (EV_P_ struct ev_child *w); 473void ev_child_start (EV_P_ ev_child *w);
318void ev_child_stop (EV_P_ struct ev_child *w); 474void ev_child_stop (EV_P_ ev_child *w);
475
476# if EV_EMBED_ENABLE
477/* only supported when loop to be embedded is in fact embeddable */
478void ev_embed_start (EV_P_ ev_embed *w);
479void ev_embed_stop (EV_P_ ev_embed *w);
480void ev_embed_sweep (EV_P_ ev_embed *w);
481# endif
482
483# if EV_STAT_ENABLE
484void ev_stat_start (EV_P_ ev_stat *w);
485void ev_stat_stop (EV_P_ ev_stat *w);
486void ev_stat_stat (EV_P_ ev_stat *w);
487# endif
488
319#endif 489#endif
320 490
321#ifdef __cplusplus 491#ifdef __cplusplus
322} 492}
323#endif 493#endif

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