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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 1.82 by root, Sun Dec 9 19:42:57 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_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
77/* support multiple event loops? */
78#if EV_MULTIPLICITY
79struct ev_loop;
80# define EV_P struct ev_loop *loop
81# define EV_P_ EV_P,
82# define EV_A loop
83# define EV_A_ EV_A,
84# define EV_DEFAULT ev_default_loop (0)
85# define EV_DEFAULT_ EV_DEFAULT,
86#else
87# define EV_P void
88# define EV_P_
89# define EV_A
90# define EV_A_
91# define EV_DEFAULT
92# define EV_DEFAULT_
93
94# undef EV_EMBED_ENABLE
95#endif
96
47/* eventmask, revents, events... */ 97/* eventmask, revents, events... */
48#define EV_UNDEF -1 /* guaranteed to be invalid */ 98#define EV_UNDEF -1L /* guaranteed to be invalid */
49#define EV_NONE 0x00 99#define EV_NONE 0x00L /* no events */
50#define EV_READ 0x01 100#define EV_READ 0x01L /* ev_io detected read will not block */
51#define EV_WRITE 0x02 101#define EV_WRITE 0x02L /* ev_io detected write will not block */
52#define EV_TIMEOUT 0x000100 102#define EV_TIMEOUT 0x00000100L /* timer timed out */
53#define EV_PERIODIC 0x000200 103#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
54#define EV_SIGNAL 0x000400 104#define EV_SIGNAL 0x00000400L /* signal was received */
55#define EV_IDLE 0x000800 105#define EV_CHILD 0x00000800L /* child/pid had status change */
56#define EV_CHECK 0x001000 106#define EV_STAT 0x00001000L /* stat data changed */
57#define EV_PREPARE 0x002000 107#define EV_IDLE 0x00002000L /* event loop is idling */
58#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 */
59#define EV_ERROR 0x800000 /* sent when an error occurs */ 112#define EV_ERROR 0x80000000L /* sent when an error occurs */
60 113
61/* 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 */
62#ifndef EV_COMMON 115#ifndef EV_COMMON
63# define EV_COMMON void *data 116# define EV_COMMON void *data;
64#endif 117#endif
65#ifndef EV_PROTOTYPES 118#ifndef EV_PROTOTYPES
66# define EV_PROTOTYPES 1 119# define EV_PROTOTYPES 1
67#endif 120#endif
68 121
69#define EV_VERSION_MAJOR 1 122#define EV_VERSION_MAJOR 1
70#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
71 131
72/* 132/*
73 * struct member types: 133 * struct member types:
74 * 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.
75 * 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
… …
78 138
79/* shared by all watchers */ 139/* shared by all watchers */
80#define EV_WATCHER(type) \ 140#define EV_WATCHER(type) \
81 int active; /* private */ \ 141 int active; /* private */ \
82 int pending; /* private */ \ 142 int pending; /* private */ \
83 int priority; /* ro */ \ 143 int priority; /* private */ \
84 EV_COMMON; /* rw */ \ 144 EV_COMMON /* rw */ \
85 void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ 145 EV_CB_DECLARE (type) /* private */
86 146
87#define EV_WATCHER_LIST(type) \ 147#define EV_WATCHER_LIST(type) \
88 EV_WATCHER (type); \ 148 EV_WATCHER (type) \
89 struct type *next /* private */ 149 struct ev_watcher_list *next; /* private */
90 150
91#define EV_WATCHER_TIME(type) \ 151#define EV_WATCHER_TIME(type) \
92 EV_WATCHER (type); \ 152 EV_WATCHER (type) \
93 ev_tstamp at /* private */ 153 ev_tstamp at; /* private */
94 154
95/* base class, nothing to see here unless you subclass */ 155/* base class, nothing to see here unless you subclass */
96struct ev_watcher { 156typedef struct ev_watcher
157{
97 EV_WATCHER (ev_watcher); 158 EV_WATCHER (ev_watcher)
98}; 159} ev_watcher;
99 160
100/* base class, nothing to see here unless you subclass */ 161/* base class, nothing to see here unless you subclass */
101struct ev_watcher_list { 162typedef struct ev_watcher_list
163{
102 EV_WATCHER_LIST (ev_watcher_list); 164 EV_WATCHER_LIST (ev_watcher_list)
103}; 165} ev_watcher_list;
104 166
105/* base class, nothing to see here unless you subclass */ 167/* base class, nothing to see here unless you subclass */
106struct ev_watcher_time { 168typedef struct ev_watcher_time
169{
107 EV_WATCHER_TIME (ev_watcher_time); 170 EV_WATCHER_TIME (ev_watcher_time)
108}; 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;
109 182
110/* invoked after a specific time, repeatable (based on monotonic clock) */ 183/* invoked after a specific time, repeatable (based on monotonic clock) */
111/* revent EV_TIMEOUT */ 184/* revent EV_TIMEOUT */
112struct ev_timer 185typedef struct ev_timer
113{ 186{
114 EV_WATCHER_TIME (ev_timer); 187 EV_WATCHER_TIME (ev_timer)
115 188
116 ev_tstamp repeat; /* rw */ 189 ev_tstamp repeat; /* rw */
117}; 190} ev_timer;
118 191
119/* 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) */
120/* revent EV_PERIODIC */ 193/* revent EV_PERIODIC */
121struct ev_periodic 194typedef struct ev_periodic
122{ 195{
123 EV_WATCHER_TIME (ev_periodic); 196 EV_WATCHER_TIME (ev_periodic)
124 197
198 ev_tstamp offset; /* rw */
125 ev_tstamp interval; /* rw */ 199 ev_tstamp interval; /* rw */
126}; 200 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
127 201} ev_periodic;
128/* invoked when fd is either EV_READable or EV_WRITEable */
129/* revent EV_READ, EV_WRITE */
130struct ev_io
131{
132 EV_WATCHER_LIST (ev_io);
133
134 int fd; /* ro */
135 int events; /* ro */
136};
137 202
138/* invoked when the given signal has been received */ 203/* invoked when the given signal has been received */
139/* revent EV_SIGNAL */ 204/* revent EV_SIGNAL */
140struct ev_signal 205typedef struct ev_signal
141{ 206{
142 EV_WATCHER_LIST (ev_signal); 207 EV_WATCHER_LIST (ev_signal)
143 208
144 int signum; /* ro */ 209 int signum; /* ro */
145}; 210} ev_signal;
146 211
212/* invoked when sigchld is received and waitpid indicates the given pid */
213/* revent EV_CHILD */
214/* does not support priorities */
215typedef struct ev_child
216{
217 EV_WATCHER_LIST (ev_child)
218
219 int pid; /* ro */
220 int rpid; /* rw, holds the received pid */
221 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
222} ev_child;
223
224#if EV_STAT_ENABLE
225/* st_nlink = 0 means missing file or other error */
226# ifdef _WIN32
227typedef struct _stati64 ev_statdata;
228# else
229typedef struct stat ev_statdata;
230# endif
231
232/* invoked each time the stat data changes for a given path */
233/* revent EV_STAT */
234typedef struct ev_stat
235{
236 EV_WATCHER_LIST (ev_stat)
237
238 ev_timer timer; /* private */
239 ev_tstamp interval; /* ro */
240 const char *path; /* ro */
241 ev_statdata prev; /* ro */
242 ev_statdata attr; /* ro */
243
244 int wd; /* wd for inotify, fd for kqueue */
245} ev_stat;
246#endif
247
248#if EV_IDLE_ENABLE
147/* invoked when the nothing else needs to be done, keeps the process from blocking */ 249/* invoked when the nothing else needs to be done, keeps the process from blocking */
148/* revent EV_IDLE */ 250/* revent EV_IDLE */
149struct ev_idle 251typedef struct ev_idle
150{ 252{
151 EV_WATCHER (ev_idle); 253 EV_WATCHER (ev_idle)
152}; 254} ev_idle;
255#endif
153 256
154/* invoked for each run of the mainloop, just before the blocking call */ 257/* invoked for each run of the mainloop, just before the blocking call */
155/* you can still change events in any way you like */ 258/* you can still change events in any way you like */
156/* revent EV_PREPARE */ 259/* revent EV_PREPARE */
157struct ev_prepare 260typedef struct ev_prepare
158{ 261{
159 EV_WATCHER (ev_prepare); 262 EV_WATCHER (ev_prepare)
160}; 263} ev_prepare;
161 264
162/* invoked for each run of the mainloop, just after the blocking call */ 265/* invoked for each run of the mainloop, just after the blocking call */
163/* revent EV_CHECK */ 266/* revent EV_CHECK */
164struct ev_check 267typedef struct ev_check
165{ 268{
166 EV_WATCHER (ev_check); 269 EV_WATCHER (ev_check)
270} ev_check;
271
272#if EV_FORK_ENABLE
273/* the callback gets invoked before check in the child process when a fork was detected */
274typedef struct ev_fork
275{
276 EV_WATCHER (ev_fork)
277} ev_fork;
278#endif
279
280#if EV_EMBED_ENABLE
281/* used to embed an event loop inside another */
282/* the callback gets invoked when the event loop has handled events, and can be 0 */
283typedef struct ev_embed
284{
285 EV_WATCHER (ev_embed)
286
287 ev_io io; /* private */
288 struct ev_loop *loop; /* ro */
289} ev_embed;
290#endif
291
292/* the presence of this union forces similar struct layout */
293union ev_any_watcher
294{
295 struct ev_watcher w;
296 struct ev_watcher_list wl;
297
298 struct ev_io io;
299 struct ev_timer timer;
300 struct ev_periodic periodic;
301 struct ev_signal signal;
302 struct ev_child child;
303#if EV_STAT_ENABLE
304 struct ev_stat stat;
305#endif
306#if EV_IDLE_ENABLE
307 struct ev_idle idle;
308#endif
309 struct ev_prepare prepare;
310 struct ev_check check;
311#if EV_FORK_ENABLE
312 struct ev_fork fork;
313#endif
314#if EV_EMBED_ENABLE
315 struct ev_embed embed;
316#endif
167}; 317};
168 318
169/* invoked when sigchld is received and waitpid indicates the givne pid */ 319/* bits for ev_default_loop and ev_loop_new */
170/* revent EV_CHILD */ 320/* the default */
171struct ev_child 321#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
172{ 322/* flag bits */
173 EV_WATCHER_LIST (ev_child); 323#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
324#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
325/* method bits to be ored together */
326#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
327#define EVBACKEND_POLL 0x00000002UL /* !win */
328#define EVBACKEND_EPOLL 0x00000004UL /* linux */
329#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
330#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
331#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
174 332
175 int pid; /* ro */
176 int status; /* rw, holds the exit status, use the macros from sys/wait.h */
177};
178
179#define EVMETHOD_AUTO 0 /* consults environment */
180#define EVMETHOD_SELECT 1
181#define EVMETHOD_POLL 2
182#define EVMETHOD_EPOLL 4
183#define EVMETHOD_KQUEUE 8
184#define EVMETHOD_DEVPOLL 16 /* NYI */
185#define EVMETHOD_PORT 32 /* NYI */
186#define EVMETHOD_ANY ~0 /* any method, do not consult env */
187#if EV_PROTOTYPES 333#if EV_PROTOTYPES
188extern int ev_method;
189int ev_init (int methods); /* returns ev_method */
190int ev_version_major (void); 334int ev_version_major (void);
191int ev_version_minor (void); 335int ev_version_minor (void);
192 336
193/* these three calls are suitable for plugging into pthread_atfork */ 337unsigned int ev_supported_backends (void);
194void ev_fork_prepare (void); 338unsigned int ev_recommended_backends (void);
195void ev_fork_parent (void); 339unsigned int ev_embeddable_backends (void);
196void ev_fork_child (void);
197 340
198extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */
199ev_tstamp ev_time (void); 341ev_tstamp ev_time (void);
342
343/* Sets the allocation function to use, works like realloc.
344 * It is used to allocate and free memory.
345 * If it returns zero when memory needs to be allocated, the library might abort
346 * or take some potentially destructive action.
347 * The default is your system realloc function.
348 */
349void ev_set_allocator (void *(*cb)(void *ptr, long size));
350
351/* set the callback function to call on a
352 * retryable syscall error
353 * (such as failed select, poll, epoll_wait)
354 */
355void ev_set_syserr_cb (void (*cb)(const char *msg));
356
357# if EV_MULTIPLICITY
358/* the default loop is the only one that handles signals and child watchers */
359/* you can call this as often as you like */
360static struct ev_loop *
361ev_default_loop (unsigned int flags)
362{
363 extern struct ev_loop *ev_default_loop_ptr;
364 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
365
366 if (!ev_default_loop_ptr)
367 ev_default_loop_init (flags);
368
369 return ev_default_loop_ptr;
370}
371
372/* create and destroy alternative loops that don't handle signals */
373struct ev_loop *ev_loop_new (unsigned int flags);
374void ev_loop_destroy (EV_P);
375void ev_loop_fork (EV_P);
376
377ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
378
379# else
380
381int ev_default_loop (unsigned int flags); /* returns true when successful */
382
383static ev_tstamp
384ev_now (void)
385{
386 extern ev_tstamp ev_rt_now;
387
388 return ev_rt_now;
389}
390# endif
391
392void ev_default_destroy (void); /* destroy the default loop */
393/* this needs to be called after fork, to duplicate the default loop */
394/* if you create alternative loops you have to call ev_loop_fork on them */
395/* you can call it in either the parent or the child */
396/* you can actually call it at any time, anywhere :) */
397void ev_default_fork (void);
398
399unsigned int ev_backend (EV_P);
400unsigned int ev_loop_count (EV_P);
200#endif 401#endif
201 402
202#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 403#define EVLOOP_NONBLOCK 1 /* do not block/wait */
203#define EVLOOP_ONESHOT 2 /* block *once* only */ 404#define EVLOOP_ONESHOT 2 /* block *once* only */
405#define EVUNLOOP_CANCEL 0 /* undo unloop */
406#define EVUNLOOP_ONE 1 /* unloop once */
407#define EVUNLOOP_ALL 2 /* unloop all loops */
408
204#if EV_PROTOTYPES 409#if EV_PROTOTYPES
205void ev_loop (int flags); 410void 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 */ 411void 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 */
412
413/*
414 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
415 * keeps one reference. if you have a long-runing watcher you never unregister that
416 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
417 */
418void ev_ref (EV_P);
419void ev_unref (EV_P);
207 420
208/* convinience function, wait for a single event, without registering an event watcher */ 421/* convinience function, wait for a single event, without registering an event watcher */
209/* if timeout is < 0, do wait indefinitely */ 422/* 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); 423void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
211#endif 424#endif
212 425
213/* these may evaluate ev multiple times, and the other arguments at most once */ 426/* 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 */ 427/* 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) 428#define ev_init(ev,cb_) do { \
429 ((ev_watcher *)(void *)(ev))->active = \
430 ((ev_watcher *)(void *)(ev))->pending = \
431 ((ev_watcher *)(void *)(ev))->priority = 0; \
432 ev_set_cb ((ev), cb_); \
433} while (0)
216 434
217#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 435#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) 436#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) 437#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
220#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 438#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
439#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
440#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
221#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 441#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 */ 442#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 */ 443#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) 444#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
445#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
225 446
226#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 447#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) 448#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) 449#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) 450#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)
231#define ev_prepare_init(ev,cb) do { ev_watcher_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)
233#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 451#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
452#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
453#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
454#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
455#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
456#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
457#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
234 458
459#define ev_is_pending(ev) (0 + ((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 */ 460#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
461
462#define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0)
463#define ev_cb(ev) (ev)->cb /* rw */
236#define ev_set_priority(ev,pri) (ev)->priority = pri 464#define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri)
465
466#ifndef ev_set_cb
467# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
468#endif
237 469
238/* stopping (enabling, adding) a watcher does nothing if it is already running */ 470/* stopping (enabling, adding) a watcher does nothing if it is already running */
239/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 471/* stopping (disabling, deleting) a watcher does nothing unless its already running */
240#if EV_PROTOTYPES 472#if EV_PROTOTYPES
473
474/* feeds an event into a watcher as if the event actually occured */
475/* accepts any ev_watcher type */
476void ev_feed_event (EV_P_ void *w, int revents);
477void ev_feed_fd_event (EV_P_ int fd, int revents);
478void ev_feed_signal_event (EV_P_ int signum);
479void ev_invoke (EV_P_ void *w, int revents);
480int ev_clear_pending (EV_P_ void *w);
481
241void ev_io_start (struct ev_io *w); 482void ev_io_start (EV_P_ ev_io *w);
242void ev_io_stop (struct ev_io *w); 483void ev_io_stop (EV_P_ ev_io *w);
243 484
244void ev_timer_start (struct ev_timer *w); 485void ev_timer_start (EV_P_ ev_timer *w);
245void ev_timer_stop (struct ev_timer *w); 486void ev_timer_stop (EV_P_ 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 */ 487/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
488void ev_timer_again (EV_P_ ev_timer *w);
247 489
490#if EV_PERIODIC_ENABLE
248void ev_periodic_start (struct ev_periodic *w); 491void ev_periodic_start (EV_P_ ev_periodic *w);
249void ev_periodic_stop (struct ev_periodic *w); 492void ev_periodic_stop (EV_P_ ev_periodic *w);
493void ev_periodic_again (EV_P_ ev_periodic *w);
494#endif
250 495
496/* only supported in the default loop */
251void ev_signal_start (struct ev_signal *w); 497void ev_signal_start (EV_P_ ev_signal *w);
252void ev_signal_stop (struct ev_signal *w); 498void ev_signal_stop (EV_P_ ev_signal *w);
253 499
500/* only supported in the default loop */
501void ev_child_start (EV_P_ ev_child *w);
502void ev_child_stop (EV_P_ ev_child *w);
503
504# if EV_STAT_ENABLE
505void ev_stat_start (EV_P_ ev_stat *w);
506void ev_stat_stop (EV_P_ ev_stat *w);
507void ev_stat_stat (EV_P_ ev_stat *w);
508# endif
509
510# if EV_IDLE_ENABLE
254void ev_idle_start (struct ev_idle *w); 511void ev_idle_start (EV_P_ ev_idle *w);
255void ev_idle_stop (struct ev_idle *w); 512void ev_idle_stop (EV_P_ ev_idle *w);
513# endif
256 514
257void ev_prepare_start (struct ev_prepare *w); 515void ev_prepare_start (EV_P_ ev_prepare *w);
258void ev_prepare_stop (struct ev_prepare *w); 516void ev_prepare_stop (EV_P_ ev_prepare *w);
259 517
260void ev_check_start (struct ev_check *w); 518void ev_check_start (EV_P_ ev_check *w);
261void ev_check_stop (struct ev_check *w); 519void ev_check_stop (EV_P_ ev_check *w);
262 520
263void ev_child_start (struct ev_child *w); 521# if EV_FORK_ENABLE
264void ev_child_stop (struct ev_child *w); 522void ev_fork_start (EV_P_ ev_fork *w);
523void ev_fork_stop (EV_P_ ev_fork *w);
524# endif
525
526# if EV_EMBED_ENABLE
527/* only supported when loop to be embedded is in fact embeddable */
528void ev_embed_start (EV_P_ ev_embed *w);
529void ev_embed_stop (EV_P_ ev_embed *w);
530void ev_embed_sweep (EV_P_ ev_embed *w);
531# endif
532
265#endif 533#endif
266 534
267#ifdef __cplusplus 535#ifdef __cplusplus
268} 536}
269#endif 537#endif

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