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Comparing libev/ev.h (file contents):
Revision 1.40 by root, Thu Nov 8 00:44:17 2007 UTC vs.
Revision 1.73 by root, Tue Nov 27 19:41:52 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 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ 197 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */
145}; 198} ev_periodic;
146
147/* invoked when fd is either EV_READable or EV_WRITEable */
148/* revent EV_READ, EV_WRITE */
149struct ev_io
150{
151 EV_WATCHER_LIST (ev_io);
152
153 int fd; /* ro */
154 int events; /* ro */
155};
156 199
157/* invoked when the given signal has been received */ 200/* invoked when the given signal has been received */
158/* revent EV_SIGNAL */ 201/* revent EV_SIGNAL */
159struct ev_signal 202typedef struct ev_signal
160{ 203{
161 EV_WATCHER_LIST (ev_signal); 204 EV_WATCHER_LIST (ev_signal)
162 205
163 int signum; /* ro */ 206 int signum; /* ro */
164}; 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 (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} ev_stat;
241#endif
165 242
166/* invoked when the nothing else needs to be done, keeps the process from blocking */ 243/* invoked when the nothing else needs to be done, keeps the process from blocking */
167/* revent EV_IDLE */ 244/* revent EV_IDLE */
168struct ev_idle 245typedef struct ev_idle
169{ 246{
170 EV_WATCHER (ev_idle); 247 EV_WATCHER (ev_idle)
171}; 248} ev_idle;
172 249
173/* invoked for each run of the mainloop, just before the blocking call */ 250/* invoked for each run of the mainloop, just before the blocking call */
174/* you can still change events in any way you like */ 251/* you can still change events in any way you like */
175/* revent EV_PREPARE */ 252/* revent EV_PREPARE */
176struct ev_prepare 253typedef struct ev_prepare
177{ 254{
178 EV_WATCHER (ev_prepare); 255 EV_WATCHER (ev_prepare)
179}; 256} ev_prepare;
180 257
181/* invoked for each run of the mainloop, just after the blocking call */ 258/* invoked for each run of the mainloop, just after the blocking call */
182/* revent EV_CHECK */ 259/* revent EV_CHECK */
183struct ev_check 260typedef struct ev_check
184{ 261{
185 EV_WATCHER (ev_check); 262 EV_WATCHER (ev_check)
186}; 263} ev_check;
187 264
188/* invoked when sigchld is received and waitpid indicates the givne pid */ 265#if EV_FORK_ENABLE
189/* revent EV_CHILD */ 266/* the callback gets invoked before check in the child process when a fork was detected */
190/* does not support priorities */ 267typedef struct ev_fork
191struct ev_child
192{ 268{
193 EV_WATCHER_LIST (ev_child); 269 EV_WATCHER (ev_fork)
270} ev_fork;
271#endif
194 272
195 int pid; /* ro */ 273#if EV_EMBED_ENABLE
196 int rpid; /* rw, holds the received pid */ 274/* used to embed an event loop inside another */
197 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ 275/* the callback gets invoked when the event loop has handled events, and can be 0 */
198}; 276typedef struct ev_embed
277{
278 EV_WATCHER (ev_embed)
199 279
280 ev_io io; /* private */
281 struct ev_loop *loop; /* ro */
282} ev_embed;
283#endif
284
285/* the presence of this union forces similar struct layout */
200union ev_any_watcher 286union ev_any_watcher
201{ 287{
202 struct ev_watcher w; 288 struct ev_watcher w;
203 struct ev_watcher_list wl; 289 struct ev_watcher_list wl;
290
204 struct ev_io io; 291 struct ev_io io;
205 struct ev_timer timer; 292 struct ev_timer timer;
206 struct ev_periodic periodic; 293 struct ev_periodic periodic;
207 struct ev_signal signal; 294 struct ev_signal signal;
295 struct ev_child child;
296#if EV_STAT_ENABLE
297 struct ev_stat stat;
298#endif
208 struct ev_idle idle; 299 struct ev_idle idle;
209 struct ev_child child;
210 struct ev_prepare prepare; 300 struct ev_prepare prepare;
211 struct ev_check check; 301 struct ev_check check;
302#if EV_FORK_ENABLE
303 struct ev_fork fork;
304#endif
305#if EV_EMBED_ENABLE
306 struct ev_embed embed;
307#endif
212}; 308};
213 309
214#define EVMETHOD_AUTO 0 /* consults environment */ 310/* bits for ev_default_loop and ev_loop_new */
215#define EVMETHOD_SELECT 1 311/* the default */
216#define EVMETHOD_POLL 2 312#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
217#define EVMETHOD_EPOLL 4 313/* flag bits */
218#define EVMETHOD_KQUEUE 8 314#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
219#define EVMETHOD_DEVPOLL 16 /* NYI */ 315/* method bits to be ored together */
220#define EVMETHOD_PORT 32 /* NYI */ 316#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
221#define EVMETHOD_WIN32 64 /* NYI */ 317#define EVBACKEND_POLL 0x00000002UL /* !win */
222#define EVMETHOD_ANY ~0 /* any method, do not consult env */ 318#define EVBACKEND_EPOLL 0x00000004UL /* linux */
319#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
320#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */
321#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
223 322
224#if EV_PROTOTYPES 323#if EV_PROTOTYPES
225int ev_version_major (void); 324int ev_version_major (void);
226int ev_version_minor (void); 325int ev_version_minor (void);
326
327unsigned int ev_supported_backends (void);
328unsigned int ev_recommended_backends (void);
329unsigned int ev_embeddable_backends (void);
227 330
228ev_tstamp ev_time (void); 331ev_tstamp ev_time (void);
229 332
230/* Sets the allocation function to use, works like realloc. 333/* Sets the allocation function to use, works like realloc.
231 * It is used to allocate and free memory. 334 * It is used to allocate and free memory.
232 * If it returns zero when memory needs to be allocated, the library might abort 335 * If it returns zero when memory needs to be allocated, the library might abort
233 * or take some potentially destructive action. 336 * or take some potentially destructive action.
234 * The default is your system realloc function. 337 * The default is your system realloc function.
235 */ 338 */
236void ev_set_allocator (void *(*cb)(void *ptr, long size)); 339void ev_set_allocator (void *(*cb)(void *ptr, size_t size));
237 340
238/* set the callback function to call on a 341/* set the callback function to call on a
239 * retryable syscall error 342 * retryable syscall error
240 * (such as failed select, poll, epoll_wait) 343 * (such as failed select, poll, epoll_wait)
241 */ 344 */
242void ev_set_syserr_cb (void (*cb)(const char *msg)); 345void ev_set_syserr_cb (void (*cb)(const char *msg));
243 346
244# if EV_MULTIPLICITY 347# if EV_MULTIPLICITY
245/* the default loop is the only one that handles signals and child watchers */ 348/* the default loop is the only one that handles signals and child watchers */
246/* you can call this as often as you like */ 349/* you can call this as often as you like */
247struct ev_loop *ev_default_loop (int methods); /* returns default loop */ 350static struct ev_loop *
351ev_default_loop (unsigned int flags)
352{
353 extern struct ev_loop *ev_default_loop_ptr;
354 extern struct ev_loop *ev_default_loop_init (unsigned int flags);
355
356 if (!ev_default_loop_ptr)
357 ev_default_loop_init (flags);
358
359 return ev_default_loop_ptr;
360}
248 361
249/* create and destroy alternative loops that don't handle signals */ 362/* create and destroy alternative loops that don't handle signals */
250struct ev_loop *ev_loop_new (int methods); 363struct ev_loop *ev_loop_new (unsigned int flags);
251void ev_loop_destroy (EV_P); 364void ev_loop_destroy (EV_P);
252void ev_loop_fork (EV_P); 365void ev_loop_fork (EV_P);
366
367ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
368
253# else 369# else
370
254int ev_default_loop (int methods); /* returns true when successful */ 371int ev_default_loop (unsigned int flags); /* returns true when successful */
372
373static ev_tstamp
374ev_now (void)
375{
376 extern ev_tstamp ev_rt_now;
377
378 return ev_rt_now;
379}
255# endif 380# endif
256 381
257void ev_default_destroy (void); /* destroy the default loop */ 382void ev_default_destroy (void); /* destroy the default loop */
258/* this needs to be called after fork, to duplicate the default loop */ 383/* this needs to be called after fork, to duplicate the default loop */
259/* if you create alternative loops you have to call ev_loop_fork on them */ 384/* if you create alternative loops you have to call ev_loop_fork on them */
260/* you can call it in either the parent or the child */ 385/* you can call it in either the parent or the child */
261/* you can actually call it at any time, anywhere :) */ 386/* you can actually call it at any time, anywhere :) */
262void ev_default_fork (void); 387void ev_default_fork (void);
263 388
264int ev_method (EV_P); 389unsigned int ev_backend (EV_P);
265#endif 390#endif
266 391
267#define EVLOOP_NONBLOCK 1 /* do not block/wait */ 392#define EVLOOP_NONBLOCK 1 /* do not block/wait */
268#define EVLOOP_ONESHOT 2 /* block *once* only */ 393#define EVLOOP_ONESHOT 2 /* block *once* only */
394#define EVUNLOOP_CANCEL 0 /* undo unloop */
269#define EVUNLOOP_ONCE 1 /* unloop once */ 395#define EVUNLOOP_ONE 1 /* unloop once */
270#define EVUNLOOP_ALL 2 /* unloop all loops */ 396#define EVUNLOOP_ALL 2 /* unloop all loops */
271 397
272#if EV_PROTOTYPES 398#if EV_PROTOTYPES
273void ev_loop (EV_P_ int flags); 399void ev_loop (EV_P_ int flags);
274void 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 */ 400void 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 */
275
276ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
277 401
278/* 402/*
279 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher 403 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
280 * keeps one reference. if you have a long-runing watcher you never unregister that 404 * keeps one reference. if you have a long-runing watcher you never unregister that
281 * should not keep ev_loop from running, unref() after starting, and ref() before stopping. 405 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
… …
287/* if timeout is < 0, do wait indefinitely */ 411/* if timeout is < 0, do wait indefinitely */
288void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 412void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
289#endif 413#endif
290 414
291/* these may evaluate ev multiple times, and the other arguments at most once */ 415/* these may evaluate ev multiple times, and the other arguments at most once */
292/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ 416/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
293#define ev_watcher_init(ev,cb_) do { \ 417#define ev_init(ev,cb_) do { \
294 ((struct ev_watcher *)(void *)(ev))->active = \ 418 ((ev_watcher *)(void *)(ev))->active = \
295 ((struct ev_watcher *)(void *)(ev))->pending = \ 419 ((ev_watcher *)(void *)(ev))->pending = \
296 ((struct ev_watcher *)(void *)(ev))->priority = 0; \ 420 ((ev_watcher *)(void *)(ev))->priority = 0; \
297 (ev)->cb = (cb_); \ 421 ev_set_cb ((ev), cb_); \
298} while (0) 422} while (0)
299 423
300#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) 424#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)
301#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) 425#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
302#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) 426#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
303#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) 427#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
428#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
429#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)
304#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ 430#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
305#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ 431#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
306#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ 432#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
307#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) 433#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)
434#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
308 435
309#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) 436#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
310#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) 437#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
311#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) 438#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
312#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) 439#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
313#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
314#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
315#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
316#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) 440#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
441#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)
442#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
443#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
444#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
445#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)
446#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
317 447
318#define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ 448#define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
319#define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ 449#define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
320 450
321#define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ 451#define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */
322#define ev_cb(ev) (ev)->cb /* rw */ 452#define ev_cb(ev) (ev)->cb /* rw */
323#define ev_set_priority(ev,pri) ev_priority (ev) = (pri) 453#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)
454
455#ifndef ev_set_cb
324#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) 456# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
457#endif
325 458
326/* stopping (enabling, adding) a watcher does nothing if it is already running */ 459/* stopping (enabling, adding) a watcher does nothing if it is already running */
327/* stopping (disabling, deleting) a watcher does nothing unless its already running */ 460/* stopping (disabling, deleting) a watcher does nothing unless its already running */
328#if EV_PROTOTYPES 461#if EV_PROTOTYPES
462
463/* feeds an event into a watcher as if the event actually occured */
464/* accepts any ev_watcher type */
465void ev_feed_event (EV_P_ void *w, int revents);
466void ev_feed_fd_event (EV_P_ int fd, int revents);
467void ev_feed_signal_event (EV_P_ int signum);
468
329void ev_io_start (EV_P_ struct ev_io *w); 469void ev_io_start (EV_P_ ev_io *w);
330void ev_io_stop (EV_P_ struct ev_io *w); 470void ev_io_stop (EV_P_ ev_io *w);
331 471
332void ev_timer_start (EV_P_ struct ev_timer *w); 472void ev_timer_start (EV_P_ ev_timer *w);
333void ev_timer_stop (EV_P_ struct ev_timer *w); 473void ev_timer_stop (EV_P_ ev_timer *w);
334/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ 474/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
335void ev_timer_again (EV_P_ struct ev_timer *w); 475void ev_timer_again (EV_P_ ev_timer *w);
336 476
477#if EV_PERIODIC_ENABLE
337void ev_periodic_start (EV_P_ struct ev_periodic *w); 478void ev_periodic_start (EV_P_ ev_periodic *w);
338void ev_periodic_stop (EV_P_ struct ev_periodic *w); 479void ev_periodic_stop (EV_P_ ev_periodic *w);
339void ev_periodic_again (EV_P_ struct ev_periodic *w); 480void ev_periodic_again (EV_P_ ev_periodic *w);
340 481#endif
341void ev_idle_start (EV_P_ struct ev_idle *w);
342void ev_idle_stop (EV_P_ struct ev_idle *w);
343
344void ev_prepare_start (EV_P_ struct ev_prepare *w);
345void ev_prepare_stop (EV_P_ struct ev_prepare *w);
346
347void ev_check_start (EV_P_ struct ev_check *w);
348void ev_check_stop (EV_P_ struct ev_check *w);
349 482
350/* only supported in the default loop */ 483/* only supported in the default loop */
351void ev_signal_start (EV_P_ struct ev_signal *w); 484void ev_signal_start (EV_P_ ev_signal *w);
352void ev_signal_stop (EV_P_ struct ev_signal *w); 485void ev_signal_stop (EV_P_ ev_signal *w);
353 486
354/* only supported in the default loop */ 487/* only supported in the default loop */
355void ev_child_start (EV_P_ struct ev_child *w); 488void ev_child_start (EV_P_ ev_child *w);
356void ev_child_stop (EV_P_ struct ev_child *w); 489void ev_child_stop (EV_P_ ev_child *w);
490
491# if EV_STAT_ENABLE
492void ev_stat_start (EV_P_ ev_stat *w);
493void ev_stat_stop (EV_P_ ev_stat *w);
494void ev_stat_stat (EV_P_ ev_stat *w);
495# endif
496
497void ev_idle_start (EV_P_ ev_idle *w);
498void ev_idle_stop (EV_P_ ev_idle *w);
499
500void ev_prepare_start (EV_P_ ev_prepare *w);
501void ev_prepare_stop (EV_P_ ev_prepare *w);
502
503void ev_check_start (EV_P_ ev_check *w);
504void ev_check_stop (EV_P_ ev_check *w);
505
506# if EV_FORK_ENABLE
507void ev_fork_start (EV_P_ ev_fork *w);
508void ev_fork_stop (EV_P_ ev_fork *w);
509# endif
510
511# if EV_EMBED_ENABLE
512/* only supported when loop to be embedded is in fact embeddable */
513void ev_embed_start (EV_P_ ev_embed *w);
514void ev_embed_stop (EV_P_ ev_embed *w);
515void ev_embed_sweep (EV_P_ ev_embed *w);
516# endif
517
357#endif 518#endif
358 519
359#ifdef __cplusplus 520#ifdef __cplusplus
360} 521}
361#endif 522#endif

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