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annotate CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/ev.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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jpayne@69 1 /*
jpayne@69 2 * libev native API header
jpayne@69 3 *
jpayne@69 4 * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de>
jpayne@69 5 * All rights reserved.
jpayne@69 6 *
jpayne@69 7 * Redistribution and use in source and binary forms, with or without modifica-
jpayne@69 8 * tion, are permitted provided that the following conditions are met:
jpayne@69 9 *
jpayne@69 10 * 1. Redistributions of source code must retain the above copyright notice,
jpayne@69 11 * this list of conditions and the following disclaimer.
jpayne@69 12 *
jpayne@69 13 * 2. Redistributions in binary form must reproduce the above copyright
jpayne@69 14 * notice, this list of conditions and the following disclaimer in the
jpayne@69 15 * documentation and/or other materials provided with the distribution.
jpayne@69 16 *
jpayne@69 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
jpayne@69 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
jpayne@69 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
jpayne@69 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
jpayne@69 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
jpayne@69 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
jpayne@69 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
jpayne@69 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
jpayne@69 25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
jpayne@69 26 * OF THE POSSIBILITY OF SUCH DAMAGE.
jpayne@69 27 *
jpayne@69 28 * Alternatively, the contents of this file may be used under the terms of
jpayne@69 29 * the GNU General Public License ("GPL") version 2 or any later version,
jpayne@69 30 * in which case the provisions of the GPL are applicable instead of
jpayne@69 31 * the above. If you wish to allow the use of your version of this file
jpayne@69 32 * only under the terms of the GPL and not to allow others to use your
jpayne@69 33 * version of this file under the BSD license, indicate your decision
jpayne@69 34 * by deleting the provisions above and replace them with the notice
jpayne@69 35 * and other provisions required by the GPL. If you do not delete the
jpayne@69 36 * provisions above, a recipient may use your version of this file under
jpayne@69 37 * either the BSD or the GPL.
jpayne@69 38 */
jpayne@69 39
jpayne@69 40 #ifndef EV_H_
jpayne@69 41 #define EV_H_
jpayne@69 42
jpayne@69 43 #ifdef __cplusplus
jpayne@69 44 # define EV_CPP(x) x
jpayne@69 45 # if __cplusplus >= 201103L
jpayne@69 46 # define EV_NOEXCEPT noexcept
jpayne@69 47 # else
jpayne@69 48 # define EV_NOEXCEPT
jpayne@69 49 # endif
jpayne@69 50 #else
jpayne@69 51 # define EV_CPP(x)
jpayne@69 52 # define EV_NOEXCEPT
jpayne@69 53 #endif
jpayne@69 54 #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */
jpayne@69 55
jpayne@69 56 EV_CPP(extern "C" {)
jpayne@69 57
jpayne@69 58 /*****************************************************************************/
jpayne@69 59
jpayne@69 60 /* pre-4.0 compatibility */
jpayne@69 61 #ifndef EV_COMPAT3
jpayne@69 62 # define EV_COMPAT3 1
jpayne@69 63 #endif
jpayne@69 64
jpayne@69 65 #ifndef EV_FEATURES
jpayne@69 66 # if defined __OPTIMIZE_SIZE__
jpayne@69 67 # define EV_FEATURES 0x7c
jpayne@69 68 # else
jpayne@69 69 # define EV_FEATURES 0x7f
jpayne@69 70 # endif
jpayne@69 71 #endif
jpayne@69 72
jpayne@69 73 #define EV_FEATURE_CODE ((EV_FEATURES) & 1)
jpayne@69 74 #define EV_FEATURE_DATA ((EV_FEATURES) & 2)
jpayne@69 75 #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
jpayne@69 76 #define EV_FEATURE_API ((EV_FEATURES) & 8)
jpayne@69 77 #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
jpayne@69 78 #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
jpayne@69 79 #define EV_FEATURE_OS ((EV_FEATURES) & 64)
jpayne@69 80
jpayne@69 81 /* these priorities are inclusive, higher priorities will be invoked earlier */
jpayne@69 82 #ifndef EV_MINPRI
jpayne@69 83 # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
jpayne@69 84 #endif
jpayne@69 85 #ifndef EV_MAXPRI
jpayne@69 86 # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
jpayne@69 87 #endif
jpayne@69 88
jpayne@69 89 #ifndef EV_MULTIPLICITY
jpayne@69 90 # define EV_MULTIPLICITY EV_FEATURE_CONFIG
jpayne@69 91 #endif
jpayne@69 92
jpayne@69 93 #ifndef EV_PERIODIC_ENABLE
jpayne@69 94 # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
jpayne@69 95 #endif
jpayne@69 96
jpayne@69 97 #ifndef EV_STAT_ENABLE
jpayne@69 98 # define EV_STAT_ENABLE EV_FEATURE_WATCHERS
jpayne@69 99 #endif
jpayne@69 100
jpayne@69 101 #ifndef EV_PREPARE_ENABLE
jpayne@69 102 # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
jpayne@69 103 #endif
jpayne@69 104
jpayne@69 105 #ifndef EV_CHECK_ENABLE
jpayne@69 106 # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
jpayne@69 107 #endif
jpayne@69 108
jpayne@69 109 #ifndef EV_IDLE_ENABLE
jpayne@69 110 # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
jpayne@69 111 #endif
jpayne@69 112
jpayne@69 113 #ifndef EV_FORK_ENABLE
jpayne@69 114 # define EV_FORK_ENABLE EV_FEATURE_WATCHERS
jpayne@69 115 #endif
jpayne@69 116
jpayne@69 117 #ifndef EV_CLEANUP_ENABLE
jpayne@69 118 # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
jpayne@69 119 #endif
jpayne@69 120
jpayne@69 121 #ifndef EV_SIGNAL_ENABLE
jpayne@69 122 # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
jpayne@69 123 #endif
jpayne@69 124
jpayne@69 125 #ifndef EV_CHILD_ENABLE
jpayne@69 126 # ifdef _WIN32
jpayne@69 127 # define EV_CHILD_ENABLE 0
jpayne@69 128 # else
jpayne@69 129 # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
jpayne@69 130 #endif
jpayne@69 131 #endif
jpayne@69 132
jpayne@69 133 #ifndef EV_ASYNC_ENABLE
jpayne@69 134 # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
jpayne@69 135 #endif
jpayne@69 136
jpayne@69 137 #ifndef EV_EMBED_ENABLE
jpayne@69 138 # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
jpayne@69 139 #endif
jpayne@69 140
jpayne@69 141 #ifndef EV_WALK_ENABLE
jpayne@69 142 # define EV_WALK_ENABLE 0 /* not yet */
jpayne@69 143 #endif
jpayne@69 144
jpayne@69 145 /*****************************************************************************/
jpayne@69 146
jpayne@69 147 #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
jpayne@69 148 # undef EV_SIGNAL_ENABLE
jpayne@69 149 # define EV_SIGNAL_ENABLE 1
jpayne@69 150 #endif
jpayne@69 151
jpayne@69 152 /*****************************************************************************/
jpayne@69 153
jpayne@69 154 #ifndef EV_TSTAMP_T
jpayne@69 155 # define EV_TSTAMP_T double
jpayne@69 156 #endif
jpayne@69 157 typedef EV_TSTAMP_T ev_tstamp;
jpayne@69 158
jpayne@69 159 #include <string.h> /* for memmove */
jpayne@69 160
jpayne@69 161 #ifndef EV_ATOMIC_T
jpayne@69 162 # include <signal.h>
jpayne@69 163 # define EV_ATOMIC_T sig_atomic_t volatile
jpayne@69 164 #endif
jpayne@69 165
jpayne@69 166 #if EV_STAT_ENABLE
jpayne@69 167 # ifdef _WIN32
jpayne@69 168 # include <time.h>
jpayne@69 169 # include <sys/types.h>
jpayne@69 170 # endif
jpayne@69 171 # include <sys/stat.h>
jpayne@69 172 #endif
jpayne@69 173
jpayne@69 174 /* support multiple event loops? */
jpayne@69 175 #if EV_MULTIPLICITY
jpayne@69 176 struct ev_loop;
jpayne@69 177 # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */
jpayne@69 178 # define EV_P_ EV_P, /* a loop as first of multiple parameters */
jpayne@69 179 # define EV_A loop /* a loop as sole argument to a function call */
jpayne@69 180 # define EV_A_ EV_A, /* a loop as first of multiple arguments */
jpayne@69 181 # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
jpayne@69 182 # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
jpayne@69 183 # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
jpayne@69 184 # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
jpayne@69 185 #else
jpayne@69 186 # define EV_P void
jpayne@69 187 # define EV_P_
jpayne@69 188 # define EV_A
jpayne@69 189 # define EV_A_
jpayne@69 190 # define EV_DEFAULT
jpayne@69 191 # define EV_DEFAULT_
jpayne@69 192 # define EV_DEFAULT_UC
jpayne@69 193 # define EV_DEFAULT_UC_
jpayne@69 194 # undef EV_EMBED_ENABLE
jpayne@69 195 #endif
jpayne@69 196
jpayne@69 197 /* EV_INLINE is used for functions in header files */
jpayne@69 198 #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3
jpayne@69 199 # define EV_INLINE static inline
jpayne@69 200 #else
jpayne@69 201 # define EV_INLINE static
jpayne@69 202 #endif
jpayne@69 203
jpayne@69 204 #ifdef EV_API_STATIC
jpayne@69 205 # define EV_API_DECL static
jpayne@69 206 #else
jpayne@69 207 # define EV_API_DECL extern
jpayne@69 208 #endif
jpayne@69 209
jpayne@69 210 /* EV_PROTOTYPES can be used to switch of prototype declarations */
jpayne@69 211 #ifndef EV_PROTOTYPES
jpayne@69 212 # define EV_PROTOTYPES 1
jpayne@69 213 #endif
jpayne@69 214
jpayne@69 215 /*****************************************************************************/
jpayne@69 216
jpayne@69 217 #define EV_VERSION_MAJOR 4
jpayne@69 218 #define EV_VERSION_MINOR 33
jpayne@69 219
jpayne@69 220 /* eventmask, revents, events... */
jpayne@69 221 enum {
jpayne@69 222 EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
jpayne@69 223 EV_NONE = 0x00, /* no events */
jpayne@69 224 EV_READ = 0x01, /* ev_io detected read will not block */
jpayne@69 225 EV_WRITE = 0x02, /* ev_io detected write will not block */
jpayne@69 226 EV__IOFDSET = 0x80, /* internal use only */
jpayne@69 227 EV_IO = EV_READ, /* alias for type-detection */
jpayne@69 228 EV_TIMER = 0x00000100, /* timer timed out */
jpayne@69 229 #if EV_COMPAT3
jpayne@69 230 EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
jpayne@69 231 #endif
jpayne@69 232 EV_PERIODIC = 0x00000200, /* periodic timer timed out */
jpayne@69 233 EV_SIGNAL = 0x00000400, /* signal was received */
jpayne@69 234 EV_CHILD = 0x00000800, /* child/pid had status change */
jpayne@69 235 EV_STAT = 0x00001000, /* stat data changed */
jpayne@69 236 EV_IDLE = 0x00002000, /* event loop is idling */
jpayne@69 237 EV_PREPARE = 0x00004000, /* event loop about to poll */
jpayne@69 238 EV_CHECK = 0x00008000, /* event loop finished poll */
jpayne@69 239 EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
jpayne@69 240 EV_FORK = 0x00020000, /* event loop resumed in child */
jpayne@69 241 EV_CLEANUP = 0x00040000, /* event loop resumed in child */
jpayne@69 242 EV_ASYNC = 0x00080000, /* async intra-loop signal */
jpayne@69 243 EV_CUSTOM = 0x01000000, /* for use by user code */
jpayne@69 244 EV_ERROR = (int)0x80000000 /* sent when an error occurs */
jpayne@69 245 };
jpayne@69 246
jpayne@69 247 /* can be used to add custom fields to all watchers, while losing binary compatibility */
jpayne@69 248 #ifndef EV_COMMON
jpayne@69 249 # define EV_COMMON void *data;
jpayne@69 250 #endif
jpayne@69 251
jpayne@69 252 #ifndef EV_CB_DECLARE
jpayne@69 253 # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
jpayne@69 254 #endif
jpayne@69 255 #ifndef EV_CB_INVOKE
jpayne@69 256 # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
jpayne@69 257 #endif
jpayne@69 258
jpayne@69 259 /* not official, do not use */
jpayne@69 260 #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
jpayne@69 261
jpayne@69 262 /*
jpayne@69 263 * struct member types:
jpayne@69 264 * private: you may look at them, but not change them,
jpayne@69 265 * and they might not mean anything to you.
jpayne@69 266 * ro: can be read anytime, but only changed when the watcher isn't active.
jpayne@69 267 * rw: can be read and modified anytime, even when the watcher is active.
jpayne@69 268 *
jpayne@69 269 * some internal details that might be helpful for debugging:
jpayne@69 270 *
jpayne@69 271 * active is either 0, which means the watcher is not active,
jpayne@69 272 * or the array index of the watcher (periodics, timers)
jpayne@69 273 * or the array index + 1 (most other watchers)
jpayne@69 274 * or simply 1 for watchers that aren't in some array.
jpayne@69 275 * pending is either 0, in which case the watcher isn't,
jpayne@69 276 * or the array index + 1 in the pendings array.
jpayne@69 277 */
jpayne@69 278
jpayne@69 279 #if EV_MINPRI == EV_MAXPRI
jpayne@69 280 # define EV_DECL_PRIORITY
jpayne@69 281 #elif !defined (EV_DECL_PRIORITY)
jpayne@69 282 # define EV_DECL_PRIORITY int priority;
jpayne@69 283 #endif
jpayne@69 284
jpayne@69 285 /* shared by all watchers */
jpayne@69 286 #define EV_WATCHER(type) \
jpayne@69 287 int active; /* private */ \
jpayne@69 288 int pending; /* private */ \
jpayne@69 289 EV_DECL_PRIORITY /* private */ \
jpayne@69 290 EV_COMMON /* rw */ \
jpayne@69 291 EV_CB_DECLARE (type) /* private */
jpayne@69 292
jpayne@69 293 #define EV_WATCHER_LIST(type) \
jpayne@69 294 EV_WATCHER (type) \
jpayne@69 295 struct ev_watcher_list *next; /* private */
jpayne@69 296
jpayne@69 297 #define EV_WATCHER_TIME(type) \
jpayne@69 298 EV_WATCHER (type) \
jpayne@69 299 ev_tstamp at; /* private */
jpayne@69 300
jpayne@69 301 /* base class, nothing to see here unless you subclass */
jpayne@69 302 typedef struct ev_watcher
jpayne@69 303 {
jpayne@69 304 EV_WATCHER (ev_watcher)
jpayne@69 305 } ev_watcher;
jpayne@69 306
jpayne@69 307 /* base class, nothing to see here unless you subclass */
jpayne@69 308 typedef struct ev_watcher_list
jpayne@69 309 {
jpayne@69 310 EV_WATCHER_LIST (ev_watcher_list)
jpayne@69 311 } ev_watcher_list;
jpayne@69 312
jpayne@69 313 /* base class, nothing to see here unless you subclass */
jpayne@69 314 typedef struct ev_watcher_time
jpayne@69 315 {
jpayne@69 316 EV_WATCHER_TIME (ev_watcher_time)
jpayne@69 317 } ev_watcher_time;
jpayne@69 318
jpayne@69 319 /* invoked when fd is either EV_READable or EV_WRITEable */
jpayne@69 320 /* revent EV_READ, EV_WRITE */
jpayne@69 321 typedef struct ev_io
jpayne@69 322 {
jpayne@69 323 EV_WATCHER_LIST (ev_io)
jpayne@69 324
jpayne@69 325 int fd; /* ro */
jpayne@69 326 int events; /* ro */
jpayne@69 327 } ev_io;
jpayne@69 328
jpayne@69 329 /* invoked after a specific time, repeatable (based on monotonic clock) */
jpayne@69 330 /* revent EV_TIMEOUT */
jpayne@69 331 typedef struct ev_timer
jpayne@69 332 {
jpayne@69 333 EV_WATCHER_TIME (ev_timer)
jpayne@69 334
jpayne@69 335 ev_tstamp repeat; /* rw */
jpayne@69 336 } ev_timer;
jpayne@69 337
jpayne@69 338 /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
jpayne@69 339 /* revent EV_PERIODIC */
jpayne@69 340 typedef struct ev_periodic
jpayne@69 341 {
jpayne@69 342 EV_WATCHER_TIME (ev_periodic)
jpayne@69 343
jpayne@69 344 ev_tstamp offset; /* rw */
jpayne@69 345 ev_tstamp interval; /* rw */
jpayne@69 346 ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */
jpayne@69 347 } ev_periodic;
jpayne@69 348
jpayne@69 349 /* invoked when the given signal has been received */
jpayne@69 350 /* revent EV_SIGNAL */
jpayne@69 351 typedef struct ev_signal
jpayne@69 352 {
jpayne@69 353 EV_WATCHER_LIST (ev_signal)
jpayne@69 354
jpayne@69 355 int signum; /* ro */
jpayne@69 356 } ev_signal;
jpayne@69 357
jpayne@69 358 /* invoked when sigchld is received and waitpid indicates the given pid */
jpayne@69 359 /* revent EV_CHILD */
jpayne@69 360 /* does not support priorities */
jpayne@69 361 typedef struct ev_child
jpayne@69 362 {
jpayne@69 363 EV_WATCHER_LIST (ev_child)
jpayne@69 364
jpayne@69 365 int flags; /* private */
jpayne@69 366 int pid; /* ro */
jpayne@69 367 int rpid; /* rw, holds the received pid */
jpayne@69 368 int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
jpayne@69 369 } ev_child;
jpayne@69 370
jpayne@69 371 #if EV_STAT_ENABLE
jpayne@69 372 /* st_nlink = 0 means missing file or other error */
jpayne@69 373 # ifdef _WIN32
jpayne@69 374 typedef struct _stati64 ev_statdata;
jpayne@69 375 # else
jpayne@69 376 typedef struct stat ev_statdata;
jpayne@69 377 # endif
jpayne@69 378
jpayne@69 379 /* invoked each time the stat data changes for a given path */
jpayne@69 380 /* revent EV_STAT */
jpayne@69 381 typedef struct ev_stat
jpayne@69 382 {
jpayne@69 383 EV_WATCHER_LIST (ev_stat)
jpayne@69 384
jpayne@69 385 ev_timer timer; /* private */
jpayne@69 386 ev_tstamp interval; /* ro */
jpayne@69 387 const char *path; /* ro */
jpayne@69 388 ev_statdata prev; /* ro */
jpayne@69 389 ev_statdata attr; /* ro */
jpayne@69 390
jpayne@69 391 int wd; /* wd for inotify, fd for kqueue */
jpayne@69 392 } ev_stat;
jpayne@69 393 #endif
jpayne@69 394
jpayne@69 395 /* invoked when the nothing else needs to be done, keeps the process from blocking */
jpayne@69 396 /* revent EV_IDLE */
jpayne@69 397 typedef struct ev_idle
jpayne@69 398 {
jpayne@69 399 EV_WATCHER (ev_idle)
jpayne@69 400 } ev_idle;
jpayne@69 401
jpayne@69 402 /* invoked for each run of the mainloop, just before the blocking call */
jpayne@69 403 /* you can still change events in any way you like */
jpayne@69 404 /* revent EV_PREPARE */
jpayne@69 405 typedef struct ev_prepare
jpayne@69 406 {
jpayne@69 407 EV_WATCHER (ev_prepare)
jpayne@69 408 } ev_prepare;
jpayne@69 409
jpayne@69 410 /* invoked for each run of the mainloop, just after the blocking call */
jpayne@69 411 /* revent EV_CHECK */
jpayne@69 412 typedef struct ev_check
jpayne@69 413 {
jpayne@69 414 EV_WATCHER (ev_check)
jpayne@69 415 } ev_check;
jpayne@69 416
jpayne@69 417 /* the callback gets invoked before check in the child process when a fork was detected */
jpayne@69 418 /* revent EV_FORK */
jpayne@69 419 typedef struct ev_fork
jpayne@69 420 {
jpayne@69 421 EV_WATCHER (ev_fork)
jpayne@69 422 } ev_fork;
jpayne@69 423
jpayne@69 424 /* is invoked just before the loop gets destroyed */
jpayne@69 425 /* revent EV_CLEANUP */
jpayne@69 426 typedef struct ev_cleanup
jpayne@69 427 {
jpayne@69 428 EV_WATCHER (ev_cleanup)
jpayne@69 429 } ev_cleanup;
jpayne@69 430
jpayne@69 431 #if EV_EMBED_ENABLE
jpayne@69 432 /* used to embed an event loop inside another */
jpayne@69 433 /* the callback gets invoked when the event loop has handled events, and can be 0 */
jpayne@69 434 typedef struct ev_embed
jpayne@69 435 {
jpayne@69 436 EV_WATCHER (ev_embed)
jpayne@69 437
jpayne@69 438 struct ev_loop *other; /* ro */
jpayne@69 439 #undef EV_IO_ENABLE
jpayne@69 440 #define EV_IO_ENABLE 1
jpayne@69 441 ev_io io; /* private */
jpayne@69 442 #undef EV_PREPARE_ENABLE
jpayne@69 443 #define EV_PREPARE_ENABLE 1
jpayne@69 444 ev_prepare prepare; /* private */
jpayne@69 445 ev_check check; /* unused */
jpayne@69 446 ev_timer timer; /* unused */
jpayne@69 447 ev_periodic periodic; /* unused */
jpayne@69 448 ev_idle idle; /* unused */
jpayne@69 449 ev_fork fork; /* private */
jpayne@69 450 ev_cleanup cleanup; /* unused */
jpayne@69 451 } ev_embed;
jpayne@69 452 #endif
jpayne@69 453
jpayne@69 454 #if EV_ASYNC_ENABLE
jpayne@69 455 /* invoked when somebody calls ev_async_send on the watcher */
jpayne@69 456 /* revent EV_ASYNC */
jpayne@69 457 typedef struct ev_async
jpayne@69 458 {
jpayne@69 459 EV_WATCHER (ev_async)
jpayne@69 460
jpayne@69 461 EV_ATOMIC_T sent; /* private */
jpayne@69 462 } ev_async;
jpayne@69 463
jpayne@69 464 # define ev_async_pending(w) (+(w)->sent)
jpayne@69 465 #endif
jpayne@69 466
jpayne@69 467 /* the presence of this union forces similar struct layout */
jpayne@69 468 union ev_any_watcher
jpayne@69 469 {
jpayne@69 470 struct ev_watcher w;
jpayne@69 471 struct ev_watcher_list wl;
jpayne@69 472
jpayne@69 473 struct ev_io io;
jpayne@69 474 struct ev_timer timer;
jpayne@69 475 struct ev_periodic periodic;
jpayne@69 476 struct ev_signal signal;
jpayne@69 477 struct ev_child child;
jpayne@69 478 #if EV_STAT_ENABLE
jpayne@69 479 struct ev_stat stat;
jpayne@69 480 #endif
jpayne@69 481 #if EV_IDLE_ENABLE
jpayne@69 482 struct ev_idle idle;
jpayne@69 483 #endif
jpayne@69 484 struct ev_prepare prepare;
jpayne@69 485 struct ev_check check;
jpayne@69 486 #if EV_FORK_ENABLE
jpayne@69 487 struct ev_fork fork;
jpayne@69 488 #endif
jpayne@69 489 #if EV_CLEANUP_ENABLE
jpayne@69 490 struct ev_cleanup cleanup;
jpayne@69 491 #endif
jpayne@69 492 #if EV_EMBED_ENABLE
jpayne@69 493 struct ev_embed embed;
jpayne@69 494 #endif
jpayne@69 495 #if EV_ASYNC_ENABLE
jpayne@69 496 struct ev_async async;
jpayne@69 497 #endif
jpayne@69 498 };
jpayne@69 499
jpayne@69 500 /* flag bits for ev_default_loop and ev_loop_new */
jpayne@69 501 enum {
jpayne@69 502 /* the default */
jpayne@69 503 EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
jpayne@69 504 /* flag bits */
jpayne@69 505 EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
jpayne@69 506 EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
jpayne@69 507 /* debugging/feature disable */
jpayne@69 508 EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
jpayne@69 509 #if EV_COMPAT3
jpayne@69 510 EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
jpayne@69 511 #endif
jpayne@69 512 EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
jpayne@69 513 EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */
jpayne@69 514 EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */
jpayne@69 515 };
jpayne@69 516
jpayne@69 517 /* method bits to be ored together */
jpayne@69 518 enum {
jpayne@69 519 EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
jpayne@69 520 EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
jpayne@69 521 EVBACKEND_EPOLL = 0x00000004U, /* linux */
jpayne@69 522 EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
jpayne@69 523 EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */
jpayne@69 524 EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
jpayne@69 525 EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */
jpayne@69 526 EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */
jpayne@69 527 EVBACKEND_ALL = 0x000000FFU, /* all known backends */
jpayne@69 528 EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
jpayne@69 529 };
jpayne@69 530
jpayne@69 531 #if EV_PROTOTYPES
jpayne@69 532 EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
jpayne@69 533 EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
jpayne@69 534
jpayne@69 535 EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
jpayne@69 536 EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
jpayne@69 537 EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
jpayne@69 538
jpayne@69 539 EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
jpayne@69 540 EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
jpayne@69 541
jpayne@69 542 /* Sets the allocation function to use, works like realloc.
jpayne@69 543 * It is used to allocate and free memory.
jpayne@69 544 * If it returns zero when memory needs to be allocated, the library might abort
jpayne@69 545 * or take some potentially destructive action.
jpayne@69 546 * The default is your system realloc function.
jpayne@69 547 */
jpayne@69 548 EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
jpayne@69 549
jpayne@69 550 /* set the callback function to call on a
jpayne@69 551 * retryable syscall error
jpayne@69 552 * (such as failed select, poll, epoll_wait)
jpayne@69 553 */
jpayne@69 554 EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT;
jpayne@69 555
jpayne@69 556 #if EV_MULTIPLICITY
jpayne@69 557
jpayne@69 558 /* the default loop is the only one that handles signals and child watchers */
jpayne@69 559 /* you can call this as often as you like */
jpayne@69 560 EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
jpayne@69 561
jpayne@69 562 #ifdef EV_API_STATIC
jpayne@69 563 EV_API_DECL struct ev_loop *ev_default_loop_ptr;
jpayne@69 564 #endif
jpayne@69 565
jpayne@69 566 EV_INLINE struct ev_loop *
jpayne@69 567 ev_default_loop_uc_ (void) EV_NOEXCEPT
jpayne@69 568 {
jpayne@69 569 extern struct ev_loop *ev_default_loop_ptr;
jpayne@69 570
jpayne@69 571 return ev_default_loop_ptr;
jpayne@69 572 }
jpayne@69 573
jpayne@69 574 EV_INLINE int
jpayne@69 575 ev_is_default_loop (EV_P) EV_NOEXCEPT
jpayne@69 576 {
jpayne@69 577 return EV_A == EV_DEFAULT_UC;
jpayne@69 578 }
jpayne@69 579
jpayne@69 580 /* create and destroy alternative loops that don't handle signals */
jpayne@69 581 EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
jpayne@69 582
jpayne@69 583 EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */
jpayne@69 584
jpayne@69 585 #else
jpayne@69 586
jpayne@69 587 EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
jpayne@69 588
jpayne@69 589 EV_API_DECL ev_tstamp ev_rt_now;
jpayne@69 590
jpayne@69 591 EV_INLINE ev_tstamp
jpayne@69 592 ev_now (void) EV_NOEXCEPT
jpayne@69 593 {
jpayne@69 594 return ev_rt_now;
jpayne@69 595 }
jpayne@69 596
jpayne@69 597 /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
jpayne@69 598 EV_INLINE int
jpayne@69 599 ev_is_default_loop (void) EV_NOEXCEPT
jpayne@69 600 {
jpayne@69 601 return 1;
jpayne@69 602 }
jpayne@69 603
jpayne@69 604 #endif /* multiplicity */
jpayne@69 605
jpayne@69 606 /* destroy event loops, also works for the default loop */
jpayne@69 607 EV_API_DECL void ev_loop_destroy (EV_P);
jpayne@69 608
jpayne@69 609 /* this needs to be called after fork, to duplicate the loop */
jpayne@69 610 /* when you want to re-use it in the child */
jpayne@69 611 /* you can call it in either the parent or the child */
jpayne@69 612 /* you can actually call it at any time, anywhere :) */
jpayne@69 613 EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
jpayne@69 614
jpayne@69 615 EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
jpayne@69 616
jpayne@69 617 EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
jpayne@69 618
jpayne@69 619 #if EV_WALK_ENABLE
jpayne@69 620 /* walk (almost) all watchers in the loop of a given type, invoking the */
jpayne@69 621 /* callback on every such watcher. The callback might stop the watcher, */
jpayne@69 622 /* but do nothing else with the loop */
jpayne@69 623 EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT;
jpayne@69 624 #endif
jpayne@69 625
jpayne@69 626 #endif /* prototypes */
jpayne@69 627
jpayne@69 628 /* ev_run flags values */
jpayne@69 629 enum {
jpayne@69 630 EVRUN_NOWAIT = 1, /* do not block/wait */
jpayne@69 631 EVRUN_ONCE = 2 /* block *once* only */
jpayne@69 632 };
jpayne@69 633
jpayne@69 634 /* ev_break how values */
jpayne@69 635 enum {
jpayne@69 636 EVBREAK_CANCEL = 0, /* undo unloop */
jpayne@69 637 EVBREAK_ONE = 1, /* unloop once */
jpayne@69 638 EVBREAK_ALL = 2 /* unloop all loops */
jpayne@69 639 };
jpayne@69 640
jpayne@69 641 #if EV_PROTOTYPES
jpayne@69 642 EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
jpayne@69 643 EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */
jpayne@69 644
jpayne@69 645 /*
jpayne@69 646 * ref/unref can be used to add or remove a refcount on the mainloop. every watcher
jpayne@69 647 * keeps one reference. if you have a long-running watcher you never unregister that
jpayne@69 648 * should not keep ev_loop from running, unref() after starting, and ref() before stopping.
jpayne@69 649 */
jpayne@69 650 EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
jpayne@69 651 EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
jpayne@69 652
jpayne@69 653 /*
jpayne@69 654 * convenience function, wait for a single event, without registering an event watcher
jpayne@69 655 * if timeout is < 0, do wait indefinitely
jpayne@69 656 */
jpayne@69 657 EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT;
jpayne@69 658
jpayne@69 659 EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
jpayne@69 660
jpayne@69 661 # if EV_FEATURE_API
jpayne@69 662 EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
jpayne@69 663 EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
jpayne@69 664 EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
jpayne@69 665
jpayne@69 666 EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
jpayne@69 667 EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
jpayne@69 668
jpayne@69 669 /* advanced stuff for threading etc. support, see docs */
jpayne@69 670 EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
jpayne@69 671 EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
jpayne@69 672 typedef void (*ev_loop_callback)(EV_P);
jpayne@69 673 EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
jpayne@69 674 /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
jpayne@69 675 EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT;
jpayne@69 676
jpayne@69 677 EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
jpayne@69 678
jpayne@69 679 /*
jpayne@69 680 * stop/start the timer handling.
jpayne@69 681 */
jpayne@69 682 EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
jpayne@69 683 EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
jpayne@69 684 #endif
jpayne@69 685
jpayne@69 686 #endif
jpayne@69 687
jpayne@69 688 /* these may evaluate ev multiple times, and the other arguments at most once */
jpayne@69 689 /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
jpayne@69 690 #define ev_init(ev,cb_) do { \
jpayne@69 691 ((ev_watcher *)(void *)(ev))->active = \
jpayne@69 692 ((ev_watcher *)(void *)(ev))->pending = 0; \
jpayne@69 693 ev_set_priority ((ev), 0); \
jpayne@69 694 ev_set_cb ((ev), cb_); \
jpayne@69 695 } while (0)
jpayne@69 696
jpayne@69 697 #define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOFDSET | (events_); } while (0)
jpayne@69 698 #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0)
jpayne@69 699 #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
jpayne@69 700 #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
jpayne@69 701 #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
jpayne@69 702 #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
jpayne@69 703 #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
jpayne@69 704 #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 705 #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 706 #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 707 #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
jpayne@69 708 #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 709 #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 710 #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
jpayne@69 711
jpayne@69 712 #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
jpayne@69 713 #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
jpayne@69 714 #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
jpayne@69 715 #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
jpayne@69 716 #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
jpayne@69 717 #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
jpayne@69 718 #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
jpayne@69 719 #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
jpayne@69 720 #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
jpayne@69 721 #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
jpayne@69 722 #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
jpayne@69 723 #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
jpayne@69 724 #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
jpayne@69 725
jpayne@69 726 #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
jpayne@69 727 #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */
jpayne@69 728
jpayne@69 729 #define ev_cb_(ev) (ev)->cb /* rw */
jpayne@69 730 #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
jpayne@69 731
jpayne@69 732 #if EV_MINPRI == EV_MAXPRI
jpayne@69 733 # define ev_priority(ev) ((ev), EV_MINPRI)
jpayne@69 734 # define ev_set_priority(ev,pri) ((ev), (pri))
jpayne@69 735 #else
jpayne@69 736 # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority))
jpayne@69 737 # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri)
jpayne@69 738 #endif
jpayne@69 739
jpayne@69 740 #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
jpayne@69 741
jpayne@69 742 #ifndef ev_set_cb
jpayne@69 743 /* memmove is used here to avoid strict aliasing violations, and hopefully is optimized out by any reasonable compiler */
jpayne@69 744 # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
jpayne@69 745 #endif
jpayne@69 746
jpayne@69 747 /* stopping (enabling, adding) a watcher does nothing if it is already running */
jpayne@69 748 /* stopping (disabling, deleting) a watcher does nothing unless it's already running */
jpayne@69 749 #if EV_PROTOTYPES
jpayne@69 750
jpayne@69 751 /* feeds an event into a watcher as if the event actually occurred */
jpayne@69 752 /* accepts any ev_watcher type */
jpayne@69 753 EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
jpayne@69 754 EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
jpayne@69 755 #if EV_SIGNAL_ENABLE
jpayne@69 756 EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
jpayne@69 757 EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
jpayne@69 758 #endif
jpayne@69 759 EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
jpayne@69 760 EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
jpayne@69 761
jpayne@69 762 EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
jpayne@69 763 EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
jpayne@69 764
jpayne@69 765 EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
jpayne@69 766 EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
jpayne@69 767 /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
jpayne@69 768 EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
jpayne@69 769 /* return remaining time */
jpayne@69 770 EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
jpayne@69 771
jpayne@69 772 #if EV_PERIODIC_ENABLE
jpayne@69 773 EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
jpayne@69 774 EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
jpayne@69 775 EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
jpayne@69 776 #endif
jpayne@69 777
jpayne@69 778 /* only supported in the default loop */
jpayne@69 779 #if EV_SIGNAL_ENABLE
jpayne@69 780 EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
jpayne@69 781 EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
jpayne@69 782 #endif
jpayne@69 783
jpayne@69 784 /* only supported in the default loop */
jpayne@69 785 # if EV_CHILD_ENABLE
jpayne@69 786 EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
jpayne@69 787 EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
jpayne@69 788 # endif
jpayne@69 789
jpayne@69 790 # if EV_STAT_ENABLE
jpayne@69 791 EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
jpayne@69 792 EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
jpayne@69 793 EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
jpayne@69 794 # endif
jpayne@69 795
jpayne@69 796 # if EV_IDLE_ENABLE
jpayne@69 797 EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
jpayne@69 798 EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
jpayne@69 799 # endif
jpayne@69 800
jpayne@69 801 #if EV_PREPARE_ENABLE
jpayne@69 802 EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
jpayne@69 803 EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
jpayne@69 804 #endif
jpayne@69 805
jpayne@69 806 #if EV_CHECK_ENABLE
jpayne@69 807 EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
jpayne@69 808 EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
jpayne@69 809 #endif
jpayne@69 810
jpayne@69 811 # if EV_FORK_ENABLE
jpayne@69 812 EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
jpayne@69 813 EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
jpayne@69 814 # endif
jpayne@69 815
jpayne@69 816 # if EV_CLEANUP_ENABLE
jpayne@69 817 EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
jpayne@69 818 EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
jpayne@69 819 # endif
jpayne@69 820
jpayne@69 821 # if EV_EMBED_ENABLE
jpayne@69 822 /* only supported when loop to be embedded is in fact embeddable */
jpayne@69 823 EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
jpayne@69 824 EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
jpayne@69 825 EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
jpayne@69 826 # endif
jpayne@69 827
jpayne@69 828 # if EV_ASYNC_ENABLE
jpayne@69 829 EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
jpayne@69 830 EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
jpayne@69 831 EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
jpayne@69 832 # endif
jpayne@69 833
jpayne@69 834 #if EV_COMPAT3
jpayne@69 835 #define EVLOOP_NONBLOCK EVRUN_NOWAIT
jpayne@69 836 #define EVLOOP_ONESHOT EVRUN_ONCE
jpayne@69 837 #define EVUNLOOP_CANCEL EVBREAK_CANCEL
jpayne@69 838 #define EVUNLOOP_ONE EVBREAK_ONE
jpayne@69 839 #define EVUNLOOP_ALL EVBREAK_ALL
jpayne@69 840 #if EV_PROTOTYPES
jpayne@69 841 EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
jpayne@69 842 EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
jpayne@69 843 EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
jpayne@69 844 EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
jpayne@69 845 #if EV_FEATURE_API
jpayne@69 846 EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
jpayne@69 847 EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
jpayne@69 848 EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
jpayne@69 849 #endif
jpayne@69 850 #endif
jpayne@69 851 #else
jpayne@69 852 typedef struct ev_loop ev_loop;
jpayne@69 853 #endif
jpayne@69 854
jpayne@69 855 #endif
jpayne@69 856
jpayne@69 857 EV_CPP(})
jpayne@69 858
jpayne@69 859 #endif
jpayne@69 860