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Comparing libev/ev.h (file contents):
Revision 1.23 by root, Fri Nov 2 22:03:00 2007 UTC vs.
Revision 1.60 by root, Sat Nov 17 02:28:43 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_PERIODICS
52# define EV_PERIODICS 1
53#endif
54
55/* support multiple event loops? */
56#if EV_MULTIPLICITY
57struct ev_loop;
58# define EV_P struct ev_loop *loop
59# define EV_P_ EV_P,
60# define EV_A loop
61# define EV_A_ EV_A,
62# define EV_DEFAULT_A ev_default_loop (0)
63# define EV_DEFAULT_A_ EV_DEFAULT_A,
64#else
65# define EV_P void
66# define EV_P_
67# define EV_A
68# define EV_A_
69# define EV_DEFAULT_A
70# define EV_DEFAULT_A_
71#endif
72
47/* eventmask, revents, events... */ 73/* eventmask, revents, events... */
48#define EV_UNDEF -1 /* guaranteed to be invalid */ 74#define EV_UNDEF -1 /* guaranteed to be invalid */
49#define EV_NONE 0x00 75#define EV_NONE 0x00
50#define EV_READ 0x01 76#define EV_READ 0x01 /* io only */
51#define EV_WRITE 0x02 77#define EV_WRITE 0x02 /* io only */
52#define EV_TIMEOUT 0x000100 78#define EV_TIMEOUT 0x000100 /* timer only */
53#define EV_PERIODIC 0x000200 79#define EV_PERIODIC 0x000200 /* periodic timer only */
54#define EV_SIGNAL 0x000400 80#define EV_SIGNAL 0x000400 /* signal only */
55#define EV_IDLE 0x000800 81#define EV_IDLE 0x000800 /* idle only */
56#define EV_CHECK 0x001000 82#define EV_CHECK 0x001000 /* check only */
57#define EV_PREPARE 0x002000 83#define EV_PREPARE 0x002000 /* prepare only */
58#define EV_CHILD 0x004000 84#define EV_CHILD 0x004000 /* child/pid only */
59#define EV_ERROR 0x800000 /* sent when an error occurs */ 85#define EV_ERROR 0x800000 /* sent when an error occurs */
60 86
61/* can be used to add custom fields to all watchers */ 87/* can be used to add custom fields to all watchers, while losing binary compatibility */
62#ifndef EV_COMMON 88#ifndef EV_COMMON
63# define EV_COMMON void *data 89# define EV_COMMON void *data;
64#endif 90#endif
65#ifndef EV_PROTOTYPES 91#ifndef EV_PROTOTYPES
66# define EV_PROTOTYPES 1 92# define EV_PROTOTYPES 1
67#endif 93#endif
68 94
69#define EV_VERSION_MAJOR 1 95#define EV_VERSION_MAJOR 1
70#define EV_VERSION_MINOR 1 96#define EV_VERSION_MINOR 1
97
98#ifndef EV_CB_DECLARE
99# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
100#endif
101#ifndef EV_CB_INVOKE
102# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
103#endif
71 104
72/* 105/*
73 * struct member types: 106 * struct member types:
74 * private: you can look at them, but not change them, and they might not mean anything to you. 107 * private: you can look at them, but not change them, and they might not mean anything to you.
75 * ro: can be read anytime, but only changed when the watcher isn't active 108 * ro: can be read anytime, but only changed when the watcher isn't active
… …
78 111
79/* shared by all watchers */ 112/* shared by all watchers */
80#define EV_WATCHER(type) \ 113#define EV_WATCHER(type) \
81 int active; /* private */ \ 114 int active; /* private */ \
82 int pending; /* private */ \ 115 int pending; /* private */ \
83 int priority; /* ro */ \ 116 int priority; /* private */ \
84 EV_COMMON; /* rw */ \ 117 EV_COMMON /* rw */ \
85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 118 EV_CB_DECLARE (type) /* private */
86 119
87#define EV_WATCHER_LIST(type) \ 120#define EV_WATCHER_LIST(type) \
88 EV_WATCHER (type); \ 121 EV_WATCHER (type) \
89 struct type *next /* private */ 122 struct ev_watcher_list *next; /* private */
90 123
91#define EV_WATCHER_TIME(type) \ 124#define EV_WATCHER_TIME(type) \
92 EV_WATCHER (type); \ 125 EV_WATCHER (type) \
93 ev_tstamp at /* private */ 126 ev_tstamp at; /* private */
94 127
95/* base class, nothing to see here unless you subclass */ 128/* base class, nothing to see here unless you subclass */
96struct ev_watcher { 129struct ev_watcher
130{
97 EV_WATCHER (ev_watcher); 131 EV_WATCHER (ev_watcher)
98}; 132};
99 133
100/* base class, nothing to see here unless you subclass */ 134/* base class, nothing to see here unless you subclass */
101struct ev_watcher_list { 135struct ev_watcher_list
136{
102 EV_WATCHER_LIST (ev_watcher_list); 137 EV_WATCHER_LIST (ev_watcher_list)
103}; 138};
104 139
105/* base class, nothing to see here unless you subclass */ 140/* base class, nothing to see here unless you subclass */
106struct ev_watcher_time { 141struct ev_watcher_time
142{
107 EV_WATCHER_TIME (ev_watcher_time); 143 EV_WATCHER_TIME (ev_watcher_time)
108}; 144};
109 145
110/* invoked after a specific time, repeatable (based on monotonic clock) */ 146/* invoked after a specific time, repeatable (based on monotonic clock) */
111/* revent EV_TIMEOUT */ 147/* revent EV_TIMEOUT */
112struct ev_timer 148struct ev_timer
113{ 149{
114 EV_WATCHER_TIME (ev_timer); 150 EV_WATCHER_TIME (ev_timer)
115 151
116 ev_tstamp repeat; /* rw */ 152 ev_tstamp repeat; /* rw */
117}; 153};
118 154
119/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 155/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
120/* revent EV_PERIODIC */ 156/* revent EV_PERIODIC */
121struct ev_periodic 157struct ev_periodic
122{ 158{
123 EV_WATCHER_TIME (ev_periodic); 159 EV_WATCHER_TIME (ev_periodic)
124 160
125 ev_tstamp interval; /* rw */ 161 ev_tstamp interval; /* rw */
162 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
126}; 163};
127 164
128/* invoked when fd is either EV_READable or EV_WRITEable */ 165/* invoked when fd is either EV_READable or EV_WRITEable */
129/* revent EV_READ, EV_WRITE */ 166/* revent EV_READ, EV_WRITE */
130struct ev_io 167struct ev_io
131{ 168{
132 EV_WATCHER_LIST (ev_io); 169 EV_WATCHER_LIST (ev_io)
133 170
134 int fd; /* ro */ 171 int fd; /* ro */
135 int events; /* ro */ 172 int events; /* ro */
136}; 173};
137 174
138/* invoked when the given signal has been received */ 175/* invoked when the given signal has been received */
139/* revent EV_SIGNAL */ 176/* revent EV_SIGNAL */
140struct ev_signal 177struct ev_signal
141{ 178{
142 EV_WATCHER_LIST (ev_signal); 179 EV_WATCHER_LIST (ev_signal)
143 180
144 int signum; /* ro */ 181 int signum; /* ro */
145}; 182};
146 183
147/* invoked when the nothing else needs to be done, keeps the process from blocking */ 184/* invoked when the nothing else needs to be done, keeps the process from blocking */
148/* revent EV_IDLE */ 185/* revent EV_IDLE */
149struct ev_idle 186struct ev_idle
150{ 187{
151 EV_WATCHER (ev_idle); 188 EV_WATCHER (ev_idle)
152}; 189};
153 190
154/* invoked for each run of the mainloop, just before the blocking call */ 191/* invoked for each run of the mainloop, just before the blocking call */
155/* you can still change events in any way you like */ 192/* you can still change events in any way you like */
156/* revent EV_PREPARE */ 193/* revent EV_PREPARE */
157struct ev_prepare 194struct ev_prepare
158{ 195{
159 EV_WATCHER (ev_prepare); 196 EV_WATCHER (ev_prepare)
160}; 197};
161 198
162/* invoked for each run of the mainloop, just after the blocking call */ 199/* invoked for each run of the mainloop, just after the blocking call */
163/* revent EV_CHECK */ 200/* revent EV_CHECK */
164struct ev_check 201struct ev_check
165{ 202{
166 EV_WATCHER (ev_check); 203 EV_WATCHER (ev_check)
167}; 204};
168 205
169/* invoked when sigchld is received and waitpid indicates the givne pid */ 206/* invoked when sigchld is received and waitpid indicates the given pid */
170/* revent EV_CHILD */ 207/* revent EV_CHILD */
208/* does not support priorities */
171struct ev_child 209struct ev_child
172{ 210{
173 EV_WATCHER_LIST (ev_child); 211 EV_WATCHER_LIST (ev_child)
174 212
175 int pid; /* ro */ 213 int pid; /* ro */
214 int rpid; /* rw, holds the received pid */
176 int status; /* rw, holds the exit status, use the macros from sys/wait.h */ 215 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
177}; 216};
178 217
179#define EVMETHOD_AUTO 0 /* consults environment */ 218/* the presence of this union forces similar struct layout */
180#define EVMETHOD_SELECT 1 219union ev_any_watcher
181#define EVMETHOD_POLL 2 220{
182#define EVMETHOD_EPOLL 4 221 struct ev_watcher w;
183#define EVMETHOD_KQUEUE 8 222 struct ev_watcher_list wl;
184#define EVMETHOD_DEVPOLL 16 /* NYI */ 223
185#define EVMETHOD_PORT 32 /* NYI */ 224 struct ev_io io;
186#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 225 struct ev_timer timer;
226 struct ev_periodic periodic;
227 struct ev_idle idle;
228 struct ev_prepare prepare;
229 struct ev_check check;
230 struct ev_signal signal;
231 struct ev_child child;
232};
233
234/* bits for ev_default_loop and ev_loop_new */
235/* the default */
236#define EVFLAG_AUTO 0x00000000 /* not quite a mask */
237
238/* method bits to be ored together */
239#define EVMETHOD_SELECT 0x00000001 /* about anywhere */
240#define EVMETHOD_POLL 0x00000002 /* !win */
241#define EVMETHOD_EPOLL 0x00000004 /* linux */
242#define EVMETHOD_KQUEUE 0x00000008 /* bsd */
243#define EVMETHOD_DEVPOLL 0x00000010 /* solaris 8 */ /* NYI */
244#define EVMETHOD_PORT 0x00000020 /* solaris 10 */
245
246/* flag bits */
247#define EVFLAG_NOENV 0x01000000 /* do NOT consult environment */
248
187#if EV_PROTOTYPES 249#if EV_PROTOTYPES
188extern int ev_method;
189int ev_init (int methods); /* returns ev_method */
190int ev_version_major (void); 250int ev_version_major (void);
191int ev_version_minor (void); 251int ev_version_minor (void);
192 252
193/* these three calls are suitable for plugging into pthread_atfork */
194void ev_fork_prepare (void);
195void ev_fork_parent (void);
196void ev_fork_child (void);
197
198extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
199ev_tstamp ev_time (void); 253ev_tstamp ev_time (void);
254
255/* Sets the allocation function to use, works like realloc.
256 * It is used to allocate and free memory.
257 * If it returns zero when memory needs to be allocated, the library might abort
258 * or take some potentially destructive action.
259 * The default is your system realloc function.
260 */
261void ev_set_allocator (void *(*cb)(void *ptr, long size));
262
263/* set the callback function to call on a
264 * retryable syscall error
265 * (such as failed select, poll, epoll_wait)
266 */
267void ev_set_syserr_cb (void (*cb)(const char *msg));
268
269# if EV_MULTIPLICITY
270/* the default loop is the only one that handles signals and child watchers */
271/* you can call this as often as you like */
272static struct ev_loop *
273ev_default_loop (unsigned int flags)
274{
275 extern struct ev_loop *ev_default_loop_ptr;
276 extern struct ev_loop *ev_default_loop_ (unsigned int flags);
277
278 if (!ev_default_loop_ptr)
279 ev_default_loop_init (flags);
280
281 return ev_default_loop_ptr;
282}
283
284/* create and destroy alternative loops that don't handle signals */
285struct ev_loop *ev_loop_new (unsigned int flags);
286void ev_loop_destroy (EV_P);
287void ev_loop_fork (EV_P);
288
289ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
290
291# else
292
293int ev_default_loop (unsigned int flags); /* returns true when successful */
294
295static ev_tstamp
296ev_now (void)
297{
298 extern ev_tstamp ev_rt_now;
299
300 return ev_rt_now;
301}
302# endif
303
304void ev_default_destroy (void); /* destroy the default loop */
305/* this needs to be called after fork, to duplicate the default loop */
306/* if you create alternative loops you have to call ev_loop_fork on them */
307/* you can call it in either the parent or the child */
308/* you can actually call it at any time, anywhere :) */
309void ev_default_fork (void);
310
311unsigned int ev_method (EV_P);
200#endif 312#endif
201 313
202#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 314#define EVLOOP_NONBLOCK 1 /* do not block/wait */
203#define EVLOOP_ONESHOT 2 /* block *once* only */ 315#define EVLOOP_ONESHOT 2 /* block *once* only */
316#define EVUNLOOP_ONE 1 /* unloop once */
317#define EVUNLOOP_ALL 2 /* unloop all loops */
318
204#if EV_PROTOTYPES 319#if EV_PROTOTYPES
205void ev_loop (int flags); 320void ev_loop (EV_P_ int flags);
206extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ 321void 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 */
322
323/*
324 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
325 * keeps one reference. if you have a long-runing watcher you never unregister that
326 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
327 */
328void ev_ref (EV_P);
329void ev_unref (EV_P);
207 330
208/* convinience function, wait for a single event, without registering an event watcher */ 331/* convinience function, wait for a single event, without registering an event watcher */
209/* if timeout is < 0, do wait indefinitely */ 332/* if timeout is < 0, do wait indefinitely */
210void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 333void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
211#endif 334#endif
212 335
213/* these may evaluate ev multiple times, and the other arguments at most once */ 336/* these may evaluate ev multiple times, and the other arguments at most once */
214/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 337/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
215#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) 338#define ev_init(ev,cb_) do { \
339 ((struct ev_watcher *)(void *)(ev))->active = \
340 ((struct ev_watcher *)(void *)(ev))->pending = \
341 ((struct ev_watcher *)(void *)(ev))->priority = 0; \
342 ev_set_cb ((ev), cb_); \
343} while (0)
216 344
217#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 345#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
218#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 346#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
219#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) 347#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
220#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 348#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
221#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 349#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
222#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 350#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
223#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 351#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
224#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 352#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
225 353
226#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 354#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
227#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 355#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
228#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) 356#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
229#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 357#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
230#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) 358#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
231#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) 359#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
232#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) 360#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
233#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 361#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
234 362
363#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
235#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ 364#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
365
366#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */
367#define ev_cb(ev) (ev)->cb /* rw */
236#define ev_set_priority(ev,pri) (ev)->priority = pri 368#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
369
370#ifndef ev_set_cb
371# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
372#endif
237 373
238/* stopping (enabling, adding) a watcher does nothing if it is already running */ 374/* stopping (enabling, adding) a watcher does nothing if it is already running */
239/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 375/* stopping (disabling, deleting) a watcher does nothing unless its already running */
240#if EV_PROTOTYPES 376#if EV_PROTOTYPES
377
378/* feeds an event into a watcher as if the event actually occured */
379/* accepts any ev_watcher type */
380void ev_feed_event (EV_P_ void *w, int revents);
381void ev_feed_fd_event (EV_P_ int fd, int revents);
382void ev_feed_signal_event (EV_P_ int signum);
383
241void ev_io_start (struct ev_io *w); 384void ev_io_start (EV_P_ struct ev_io *w);
242void ev_io_stop (struct ev_io *w); 385void ev_io_stop (EV_P_ struct ev_io *w);
243 386
244void ev_timer_start (struct ev_timer *w); 387void ev_timer_start (EV_P_ struct ev_timer *w);
245void ev_timer_stop (struct ev_timer *w); 388void ev_timer_stop (EV_P_ struct ev_timer *w);
246void ev_timer_again (struct ev_timer *w); /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 389/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
390void ev_timer_again (EV_P_ struct ev_timer *w);
247 391
392#if EV_PERIODICS
248void ev_periodic_start (struct ev_periodic *w); 393void ev_periodic_start (EV_P_ struct ev_periodic *w);
249void ev_periodic_stop (struct ev_periodic *w); 394void ev_periodic_stop (EV_P_ struct ev_periodic *w);
395void ev_periodic_again (EV_P_ struct ev_periodic *w);
396#endif
250 397
251void ev_signal_start (struct ev_signal *w);
252void ev_signal_stop (struct ev_signal *w);
253
254void ev_idle_start (struct ev_idle *w); 398void ev_idle_start (EV_P_ struct ev_idle *w);
255void ev_idle_stop (struct ev_idle *w); 399void ev_idle_stop (EV_P_ struct ev_idle *w);
256 400
257void ev_prepare_start (struct ev_prepare *w); 401void ev_prepare_start (EV_P_ struct ev_prepare *w);
258void ev_prepare_stop (struct ev_prepare *w); 402void ev_prepare_stop (EV_P_ struct ev_prepare *w);
259 403
260void ev_check_start (struct ev_check *w); 404void ev_check_start (EV_P_ struct ev_check *w);
261void ev_check_stop (struct ev_check *w); 405void ev_check_stop (EV_P_ struct ev_check *w);
262 406
407/* only supported in the default loop */
408void ev_signal_start (EV_P_ struct ev_signal *w);
409void ev_signal_stop (EV_P_ struct ev_signal *w);
410
411/* only supported in the default loop */
263void ev_child_start (struct ev_child *w); 412void ev_child_start (EV_P_ struct ev_child *w);
264void ev_child_stop (struct ev_child *w); 413void ev_child_stop (EV_P_ struct ev_child *w);
265#endif 414#endif
266 415
267#ifdef __cplusplus 416#ifdef __cplusplus
268} 417}
269#endif 418#endif

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