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Comparing libev/ev.h (file contents):
Revision 1.33 by root, Sun Nov 4 23:14:11 2007 UTC vs.
Revision 1.74 by root, Wed Nov 28 11:15:55 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#include <stddef.h> /* for size_t */
70
71#if EV_STAT_ENABLE
72# include <sys/stat.h>
49#endif 73#endif
50 74
51/* support multiple event loops? */ 75/* support multiple event loops? */
52#if EV_MULTIPLICITY 76#if EV_MULTIPLICITY
53struct ev_loop; 77struct ev_loop;
54# define EV_P struct ev_loop *loop 78# define EV_P struct ev_loop *loop
55# define EV_P_ EV_P, 79# define EV_P_ EV_P,
56# define EV_A loop 80# define EV_A loop
57# define EV_A_ EV_A, 81# define EV_A_ EV_A,
82# define EV_DEFAULT ev_default_loop (0)
83# define EV_DEFAULT_ EV_DEFAULT,
58#else 84#else
59# define EV_P void 85# define EV_P void
60# define EV_P_ 86# define EV_P_
61# define EV_A 87# define EV_A
62# define EV_A_ 88# define EV_A_
89# define EV_DEFAULT
90# define EV_DEFAULT_
91
92# undef EV_EMBED_ENABLE
63#endif 93#endif
64 94
65/* eventmask, revents, events... */ 95/* eventmask, revents, events... */
66#define EV_UNDEF -1 /* guaranteed to be invalid */ 96#define EV_UNDEF -1L /* guaranteed to be invalid */
67#define EV_NONE 0x00 97#define EV_NONE 0x00L /* no events */
68#define EV_READ 0x01 98#define EV_READ 0x01L /* ev_io detected read will not block */
69#define EV_WRITE 0x02 99#define EV_WRITE 0x02L /* ev_io detected write will not block */
70#define EV_TIMEOUT 0x000100 100#define EV_TIMEOUT 0x00000100L /* timer timed out */
71#define EV_PERIODIC 0x000200 101#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
72#define EV_SIGNAL 0x000400 102#define EV_SIGNAL 0x00000400L /* signal was received */
73#define EV_IDLE 0x000800 103#define EV_CHILD 0x00000800L /* child/pid had status change */
74#define EV_CHECK 0x001000 104#define EV_STAT 0x00001000L /* stat data changed */
75#define EV_PREPARE 0x002000 105#define EV_IDLE 0x00002000L /* event loop is idling */
76#define EV_CHILD 0x004000 106#define EV_PREPARE 0x00004000L /* event loop about to poll */
107#define EV_CHECK 0x00008000L /* event loop finished poll */
108#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
109#define EV_FORK 0x00020000L /* event loop resumed in child */
77#define EV_ERROR 0x800000 /* sent when an error occurs */ 110#define EV_ERROR 0x80000000L /* sent when an error occurs */
78 111
79/* can be used to add custom fields to all watchers */ 112/* can be used to add custom fields to all watchers, while losing binary compatibility */
80#ifndef EV_COMMON 113#ifndef EV_COMMON
81# define EV_COMMON void *data 114# define EV_COMMON void *data;
82#endif 115#endif
83#ifndef EV_PROTOTYPES 116#ifndef EV_PROTOTYPES
84# define EV_PROTOTYPES 1 117# define EV_PROTOTYPES 1
85#endif 118#endif
86 119
87#define EV_VERSION_MAJOR 1 120#define EV_VERSION_MAJOR 1
88#define EV_VERSION_MINOR 1 121#define EV_VERSION_MINOR 1
122
123#ifndef EV_CB_DECLARE
124# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
125#endif
126#ifndef EV_CB_INVOKE
127# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
128#endif
89 129
90/* 130/*
91 * struct member types: 131 * struct member types:
92 * private: you can look at them, but not change them, and they might not mean anything to you. 132 * 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 133 * ro: can be read anytime, but only changed when the watcher isn't active
… …
97/* shared by all watchers */ 137/* shared by all watchers */
98#define EV_WATCHER(type) \ 138#define EV_WATCHER(type) \
99 int active; /* private */ \ 139 int active; /* private */ \
100 int pending; /* private */ \ 140 int pending; /* private */ \
101 int priority; /* private */ \ 141 int priority; /* private */ \
102 EV_COMMON; /* rw */ \ 142 EV_COMMON /* rw */ \
103 void (*cb)(EV_P_ struct type *, int revents); /* private */ /* gets invoked with an eventmask */ 143 EV_CB_DECLARE (type) /* private */
104 144
105#define EV_WATCHER_LIST(type) \ 145#define EV_WATCHER_LIST(type) \
106 EV_WATCHER (type); \ 146 EV_WATCHER (type) \
107 struct ev_watcher_list *next /* private */ 147 struct ev_watcher_list *next; /* private */
108 148
109#define EV_WATCHER_TIME(type) \ 149#define EV_WATCHER_TIME(type) \
110 EV_WATCHER (type); \ 150 EV_WATCHER (type) \
111 ev_tstamp at /* private */ 151 ev_tstamp at; /* private */
112 152
113/* base class, nothing to see here unless you subclass */ 153/* base class, nothing to see here unless you subclass */
114struct ev_watcher { 154typedef struct ev_watcher
155{
115 EV_WATCHER (ev_watcher); 156 EV_WATCHER (ev_watcher)
116}; 157} ev_watcher;
117 158
118/* base class, nothing to see here unless you subclass */ 159/* base class, nothing to see here unless you subclass */
119struct ev_watcher_list { 160typedef struct ev_watcher_list
161{
120 EV_WATCHER_LIST (ev_watcher_list); 162 EV_WATCHER_LIST (ev_watcher_list)
121}; 163} ev_watcher_list;
122 164
123/* base class, nothing to see here unless you subclass */ 165/* base class, nothing to see here unless you subclass */
124struct ev_watcher_time { 166typedef struct ev_watcher_time
167{
125 EV_WATCHER_TIME (ev_watcher_time); 168 EV_WATCHER_TIME (ev_watcher_time)
126}; 169} ev_watcher_time;
170
171/* invoked when fd is either EV_READable or EV_WRITEable */
172/* revent EV_READ, EV_WRITE */
173typedef struct ev_io
174{
175 EV_WATCHER_LIST (ev_io)
176
177 int fd; /* ro */
178 int events; /* ro */
179} ev_io;
127 180
128/* invoked after a specific time, repeatable (based on monotonic clock) */ 181/* invoked after a specific time, repeatable (based on monotonic clock) */
129/* revent EV_TIMEOUT */ 182/* revent EV_TIMEOUT */
130struct ev_timer 183typedef struct ev_timer
131{ 184{
132 EV_WATCHER_TIME (ev_timer); 185 EV_WATCHER_TIME (ev_timer)
133 186
134 ev_tstamp repeat; /* rw */ 187 ev_tstamp repeat; /* rw */
135}; 188} ev_timer;
136 189
137/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ 190/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138/* revent EV_PERIODIC */ 191/* revent EV_PERIODIC */
139struct ev_periodic 192typedef struct ev_periodic
140{ 193{
141 EV_WATCHER_TIME (ev_periodic); 194 EV_WATCHER_TIME (ev_periodic)
142 195
143 ev_tstamp interval; /* rw */ 196 ev_tstamp interval; /* rw */
144}; 197 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145 198} 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};
155 199
156/* invoked when the given signal has been received */ 200/* invoked when the given signal has been received */
157/* revent EV_SIGNAL */ 201/* revent EV_SIGNAL */
158struct ev_signal 202typedef struct ev_signal
159{ 203{
160 EV_WATCHER_LIST (ev_signal); 204 EV_WATCHER_LIST (ev_signal)
161#if EV_MULTIPLICITY
162 struct ev_loop *loop;
163#endif
164 205
165 int signum; /* ro */ 206 int signum; /* ro */
166}; 207} ev_signal;
208
209/* invoked when sigchld is received and waitpid indicates the given pid */
210/* revent EV_CHILD */
211/* does not support priorities */
212typedef struct ev_child
213{
214 EV_WATCHER_LIST (ev_child)
215
216 int pid; /* ro */
217 int rpid; /* rw, holds the received pid */
218 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
219} ev_child;
220
221#if EV_STAT_ENABLE
222/* st_nlink = 0 means missing file or other error */
223# ifdef _WIN32
224typedef struct _stati64 ev_statdata;
225# else
226typedef struct stat ev_statdata;
227# endif
228
229/* invoked each time the stat data changes for a given path */
230/* revent EV_STAT */
231typedef struct ev_stat
232{
233 EV_WATCHER_LIST (ev_stat)
234
235 ev_timer timer; /* private */
236 ev_tstamp interval; /* ro */
237 const char *path; /* ro */
238 ev_statdata prev; /* ro */
239 ev_statdata attr; /* ro */
240
241 int wd; /* wd for inotify, fd for kqueue */
242} ev_stat;
243#endif
167 244
168/* invoked when the nothing else needs to be done, keeps the process from blocking */ 245/* invoked when the nothing else needs to be done, keeps the process from blocking */
169/* revent EV_IDLE */ 246/* revent EV_IDLE */
170struct ev_idle 247typedef struct ev_idle
171{ 248{
172 EV_WATCHER (ev_idle); 249 EV_WATCHER (ev_idle)
173}; 250} ev_idle;
174 251
175/* invoked for each run of the mainloop, just before the blocking call */ 252/* invoked for each run of the mainloop, just before the blocking call */
176/* you can still change events in any way you like */ 253/* you can still change events in any way you like */
177/* revent EV_PREPARE */ 254/* revent EV_PREPARE */
178struct ev_prepare 255typedef struct ev_prepare
179{ 256{
180 EV_WATCHER (ev_prepare); 257 EV_WATCHER (ev_prepare)
181}; 258} ev_prepare;
182 259
183/* invoked for each run of the mainloop, just after the blocking call */ 260/* invoked for each run of the mainloop, just after the blocking call */
184/* revent EV_CHECK */ 261/* revent EV_CHECK */
185struct ev_check 262typedef struct ev_check
186{ 263{
187 EV_WATCHER (ev_check); 264 EV_WATCHER (ev_check)
265} ev_check;
266
267#if EV_FORK_ENABLE
268/* the callback gets invoked before check in the child process when a fork was detected */
269typedef struct ev_fork
270{
271 EV_WATCHER (ev_fork)
272} ev_fork;
273#endif
274
275#if EV_EMBED_ENABLE
276/* used to embed an event loop inside another */
277/* the callback gets invoked when the event loop has handled events, and can be 0 */
278typedef struct ev_embed
279{
280 EV_WATCHER (ev_embed)
281
282 ev_io io; /* private */
283 struct ev_loop *loop; /* ro */
284} ev_embed;
285#endif
286
287/* the presence of this union forces similar struct layout */
288union ev_any_watcher
289{
290 struct ev_watcher w;
291 struct ev_watcher_list wl;
292
293 struct ev_io io;
294 struct ev_timer timer;
295 struct ev_periodic periodic;
296 struct ev_signal signal;
297 struct ev_child child;
298#if EV_STAT_ENABLE
299 struct ev_stat stat;
300#endif
301 struct ev_idle idle;
302 struct ev_prepare prepare;
303 struct ev_check check;
304#if EV_FORK_ENABLE
305 struct ev_fork fork;
306#endif
307#if EV_EMBED_ENABLE
308 struct ev_embed embed;
309#endif
188}; 310};
189 311
190/* invoked when sigchld is received and waitpid indicates the givne pid */ 312/* bits for ev_default_loop and ev_loop_new */
191/* revent EV_CHILD */ 313/* the default */
192/* does not support priorities */ 314#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
193struct ev_child 315/* flag bits */
194{ 316#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
195 EV_WATCHER_LIST (ev_child); 317/* method bits to be ored together */
196 318#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
197 int pid; /* ro */ 319#define EVBACKEND_POLL 0x00000002UL /* !win */
198 int rpid; /* rw, holds the received pid */ 320#define EVBACKEND_EPOLL 0x00000004UL /* linux */
199 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 321#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
200}; 322#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
201 323#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
202#define EVMETHOD_AUTO 0 /* consults environment */
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 */
211 324
212#if EV_PROTOTYPES 325#if EV_PROTOTYPES
213int ev_version_major (void); 326int ev_version_major (void);
214int ev_version_minor (void); 327int ev_version_minor (void);
215 328
329unsigned int ev_supported_backends (void);
330unsigned int ev_recommended_backends (void);
331unsigned int ev_embeddable_backends (void);
332
216ev_tstamp ev_time (void); 333ev_tstamp ev_time (void);
334
335/* Sets the allocation function to use, works like realloc.
336 * It is used to allocate and free memory.
337 * If it returns zero when memory needs to be allocated, the library might abort
338 * or take some potentially destructive action.
339 * The default is your system realloc function.
340 */
341void ev_set_allocator (void *(*cb)(void *ptr, size_t size));
342
343/* set the callback function to call on a
344 * retryable syscall error
345 * (such as failed select, poll, epoll_wait)
346 */
347void ev_set_syserr_cb (void (*cb)(const char *msg));
217 348
218# if EV_MULTIPLICITY 349# if EV_MULTIPLICITY
219/* the default loop is the only one that handles signals and child watchers */ 350/* the default loop is the only one that handles signals and child watchers */
220/* you can call this as often as you like */ 351/* you can call this as often as you like */
221struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 352static struct ev_loop *
353ev_default_loop (unsigned int flags)
354{
355 extern struct ev_loop *ev_default_loop_ptr;
356 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
357
358 if (!ev_default_loop_ptr)
359 ev_default_loop_init (flags);
360
361 return ev_default_loop_ptr;
362}
222 363
223/* create and destroy alternative loops that don't handle signals */ 364/* create and destroy alternative loops that don't handle signals */
224struct ev_loop *ev_loop_new (int methods); 365struct ev_loop *ev_loop_new (unsigned int flags);
225void ev_loop_destroy (EV_P); 366void ev_loop_destroy (EV_P);
226void ev_loop_fork (EV_P); 367void ev_loop_fork (EV_P);
368
369ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
370
227# else 371# else
372
228int ev_default_loop (int methods); /* returns true when successful */ 373int ev_default_loop (unsigned int flags); /* returns true when successful */
374
375static ev_tstamp
376ev_now (void)
377{
378 extern ev_tstamp ev_rt_now;
379
380 return ev_rt_now;
381}
229# endif 382# endif
230 383
231void ev_default_destroy (void); /* destroy the default loop */ 384void ev_default_destroy (void); /* destroy the default loop */
232/* this needs to be called after fork, to duplicate the default loop */ 385/* 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 */ 386/* 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 */ 387/* you can call it in either the parent or the child */
235/* you can actually call it at any time, anywhere :) */ 388/* you can actually call it at any time, anywhere :) */
236void ev_default_fork (void); 389void ev_default_fork (void);
237 390
238int ev_method (EV_P); 391unsigned int ev_backend (EV_P);
239#endif 392#endif
240 393
241#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 394#define EVLOOP_NONBLOCK 1 /* do not block/wait */
242#define EVLOOP_ONESHOT 2 /* block *once* only */ 395#define EVLOOP_ONESHOT 2 /* block *once* only */
396#define EVUNLOOP_CANCEL 0 /* undo unloop */
243#define EVUNLOOP_ONCE 1 /* unloop once */ 397#define EVUNLOOP_ONE 1 /* unloop once */
244#define EVUNLOOP_ALL 2 /* unloop all loops */ 398#define EVUNLOOP_ALL 2 /* unloop all loops */
245 399
246#if EV_PROTOTYPES 400#if EV_PROTOTYPES
247void ev_loop (EV_P_ int flags); 401void 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 */ 402void 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 */
251 403
252/* 404/*
253 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 405 * 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 406 * 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. 407 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
261/* if timeout is < 0, do wait indefinitely */ 413/* 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); 414void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
263#endif 415#endif
264 416
265/* these may evaluate ev multiple times, and the other arguments at most once */ 417/* 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 */ 418/* 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 { \ 419#define ev_init(ev,cb_) do { \
268 ((struct ev_watcher *)(ev))->active = \ 420 ((ev_watcher *)(void *)(ev))->active = \
269 ((struct ev_watcher *)(ev))->pending = \ 421 ((ev_watcher *)(void *)(ev))->pending = \
270 ((struct ev_watcher *)(ev))->priority = 0; \ 422 ((ev_watcher *)(void *)(ev))->priority = 0; \
271 (ev)->cb = (cb_); \ 423 ev_set_cb ((ev), cb_); \
272} while (0) 424} while (0)
273 425
274#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 426#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) 427#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) 428#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) 429#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
430#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
431#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 */ 432#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 */ 433#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 */ 434#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) 435#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
436#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
282 437
283#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 438#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) 439#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) 440#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) 441#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) 442#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
443#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
444#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
445#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
446#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
447#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
448#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
291 449
292#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 450#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 *)(ev))->active) /* ro, true when the watcher has been started */ 451#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
294 452
295#define ev_priority(ev) ((struct ev_watcher *)(ev))->priority /* rw */ 453#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
296#define ev_cb(ev) (ev)->cb /* rw */ 454#define ev_cb(ev) (ev)->cb /* rw */
297#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 455#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
456
457#ifndef ev_set_cb
298#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 458# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
459#endif
299 460
300/* stopping (enabling, adding) a watcher does nothing if it is already running */ 461/* stopping (enabling, adding) a watcher does nothing if it is already running */
301/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 462/* stopping (disabling, deleting) a watcher does nothing unless its already running */
302#if EV_PROTOTYPES 463#if EV_PROTOTYPES
464
465/* feeds an event into a watcher as if the event actually occured */
466/* accepts any ev_watcher type */
467void ev_feed_event (EV_P_ void *w, int revents);
468void ev_feed_fd_event (EV_P_ int fd, int revents);
469void ev_feed_signal_event (EV_P_ int signum);
470
303void ev_io_start (EV_P_ struct ev_io *w); 471void ev_io_start (EV_P_ ev_io *w);
304void ev_io_stop (EV_P_ struct ev_io *w); 472void ev_io_stop (EV_P_ ev_io *w);
305 473
306void ev_timer_start (EV_P_ struct ev_timer *w); 474void ev_timer_start (EV_P_ ev_timer *w);
307void ev_timer_stop (EV_P_ struct ev_timer *w); 475void 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 */ 476/* 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); 477void ev_timer_again (EV_P_ ev_timer *w);
310 478
479#if EV_PERIODIC_ENABLE
311void ev_periodic_start (EV_P_ struct ev_periodic *w); 480void ev_periodic_start (EV_P_ ev_periodic *w);
312void ev_periodic_stop (EV_P_ struct ev_periodic *w); 481void ev_periodic_stop (EV_P_ ev_periodic *w);
313 482void ev_periodic_again (EV_P_ ev_periodic *w);
314void ev_idle_start (EV_P_ struct ev_idle *w); 483#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);
322 484
323/* only supported in the default loop */ 485/* only supported in the default loop */
324void ev_signal_start (EV_P_ struct ev_signal *w); 486void ev_signal_start (EV_P_ ev_signal *w);
325void ev_signal_stop (EV_P_ struct ev_signal *w); 487void ev_signal_stop (EV_P_ ev_signal *w);
326 488
327/* only supported in the default loop */ 489/* only supported in the default loop */
328void ev_child_start (EV_P_ struct ev_child *w); 490void ev_child_start (EV_P_ ev_child *w);
329void ev_child_stop (EV_P_ struct ev_child *w); 491void ev_child_stop (EV_P_ ev_child *w);
492
493# if EV_STAT_ENABLE
494void ev_stat_start (EV_P_ ev_stat *w);
495void ev_stat_stop (EV_P_ ev_stat *w);
496void ev_stat_stat (EV_P_ ev_stat *w);
497# endif
498
499void ev_idle_start (EV_P_ ev_idle *w);
500void ev_idle_stop (EV_P_ ev_idle *w);
501
502void ev_prepare_start (EV_P_ ev_prepare *w);
503void ev_prepare_stop (EV_P_ ev_prepare *w);
504
505void ev_check_start (EV_P_ ev_check *w);
506void ev_check_stop (EV_P_ ev_check *w);
507
508# if EV_FORK_ENABLE
509void ev_fork_start (EV_P_ ev_fork *w);
510void ev_fork_stop (EV_P_ ev_fork *w);
511# endif
512
513# if EV_EMBED_ENABLE
514/* only supported when loop to be embedded is in fact embeddable */
515void ev_embed_start (EV_P_ ev_embed *w);
516void ev_embed_stop (EV_P_ ev_embed *w);
517void ev_embed_sweep (EV_P_ ev_embed *w);
518# endif
519
330#endif 520#endif
331 521
332#ifdef __cplusplus 522#ifdef __cplusplus
333} 523}
334#endif 524#endif

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