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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 simple C++ wrapper classes
jpayne@69 3 *
jpayne@69 4 * Copyright (c) 2007,2008,2010,2018,2020 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 EVPP_H__
jpayne@69 41 #define EVPP_H__
jpayne@69 42
jpayne@69 43 #ifdef EV_H
jpayne@69 44 # include EV_H
jpayne@69 45 #else
jpayne@69 46 # include "ev.h"
jpayne@69 47 #endif
jpayne@69 48
jpayne@69 49 #ifndef EV_USE_STDEXCEPT
jpayne@69 50 # define EV_USE_STDEXCEPT 1
jpayne@69 51 #endif
jpayne@69 52
jpayne@69 53 #if EV_USE_STDEXCEPT
jpayne@69 54 # include <stdexcept>
jpayne@69 55 #endif
jpayne@69 56
jpayne@69 57 namespace ev {
jpayne@69 58
jpayne@69 59 typedef ev_tstamp tstamp;
jpayne@69 60
jpayne@69 61 enum {
jpayne@69 62 UNDEF = EV_UNDEF,
jpayne@69 63 NONE = EV_NONE,
jpayne@69 64 READ = EV_READ,
jpayne@69 65 WRITE = EV_WRITE,
jpayne@69 66 #if EV_COMPAT3
jpayne@69 67 TIMEOUT = EV_TIMEOUT,
jpayne@69 68 #endif
jpayne@69 69 TIMER = EV_TIMER,
jpayne@69 70 PERIODIC = EV_PERIODIC,
jpayne@69 71 SIGNAL = EV_SIGNAL,
jpayne@69 72 CHILD = EV_CHILD,
jpayne@69 73 STAT = EV_STAT,
jpayne@69 74 IDLE = EV_IDLE,
jpayne@69 75 CHECK = EV_CHECK,
jpayne@69 76 PREPARE = EV_PREPARE,
jpayne@69 77 FORK = EV_FORK,
jpayne@69 78 ASYNC = EV_ASYNC,
jpayne@69 79 EMBED = EV_EMBED,
jpayne@69 80 # undef ERROR // some systems stupidly #define ERROR
jpayne@69 81 ERROR = EV_ERROR
jpayne@69 82 };
jpayne@69 83
jpayne@69 84 enum
jpayne@69 85 {
jpayne@69 86 AUTO = EVFLAG_AUTO,
jpayne@69 87 NOENV = EVFLAG_NOENV,
jpayne@69 88 FORKCHECK = EVFLAG_FORKCHECK,
jpayne@69 89
jpayne@69 90 SELECT = EVBACKEND_SELECT,
jpayne@69 91 POLL = EVBACKEND_POLL,
jpayne@69 92 EPOLL = EVBACKEND_EPOLL,
jpayne@69 93 KQUEUE = EVBACKEND_KQUEUE,
jpayne@69 94 DEVPOLL = EVBACKEND_DEVPOLL,
jpayne@69 95 PORT = EVBACKEND_PORT
jpayne@69 96 };
jpayne@69 97
jpayne@69 98 enum
jpayne@69 99 {
jpayne@69 100 #if EV_COMPAT3
jpayne@69 101 NONBLOCK = EVLOOP_NONBLOCK,
jpayne@69 102 ONESHOT = EVLOOP_ONESHOT,
jpayne@69 103 #endif
jpayne@69 104 NOWAIT = EVRUN_NOWAIT,
jpayne@69 105 ONCE = EVRUN_ONCE
jpayne@69 106 };
jpayne@69 107
jpayne@69 108 enum how_t
jpayne@69 109 {
jpayne@69 110 ONE = EVBREAK_ONE,
jpayne@69 111 ALL = EVBREAK_ALL
jpayne@69 112 };
jpayne@69 113
jpayne@69 114 struct bad_loop
jpayne@69 115 #if EV_USE_STDEXCEPT
jpayne@69 116 : std::exception
jpayne@69 117 #endif
jpayne@69 118 {
jpayne@69 119 #if EV_USE_STDEXCEPT
jpayne@69 120 const char *what () const EV_NOEXCEPT
jpayne@69 121 {
jpayne@69 122 return "libev event loop cannot be initialized, bad value of LIBEV_FLAGS?";
jpayne@69 123 }
jpayne@69 124 #endif
jpayne@69 125 };
jpayne@69 126
jpayne@69 127 #ifdef EV_AX
jpayne@69 128 # undef EV_AX
jpayne@69 129 #endif
jpayne@69 130
jpayne@69 131 #ifdef EV_AX_
jpayne@69 132 # undef EV_AX_
jpayne@69 133 #endif
jpayne@69 134
jpayne@69 135 #if EV_MULTIPLICITY
jpayne@69 136 # define EV_AX raw_loop
jpayne@69 137 # define EV_AX_ raw_loop,
jpayne@69 138 #else
jpayne@69 139 # define EV_AX
jpayne@69 140 # define EV_AX_
jpayne@69 141 #endif
jpayne@69 142
jpayne@69 143 struct loop_ref
jpayne@69 144 {
jpayne@69 145 loop_ref (EV_P) EV_NOEXCEPT
jpayne@69 146 #if EV_MULTIPLICITY
jpayne@69 147 : EV_AX (EV_A)
jpayne@69 148 #endif
jpayne@69 149 {
jpayne@69 150 }
jpayne@69 151
jpayne@69 152 bool operator == (const loop_ref &other) const EV_NOEXCEPT
jpayne@69 153 {
jpayne@69 154 #if EV_MULTIPLICITY
jpayne@69 155 return EV_AX == other.EV_AX;
jpayne@69 156 #else
jpayne@69 157 return true;
jpayne@69 158 #endif
jpayne@69 159 }
jpayne@69 160
jpayne@69 161 bool operator != (const loop_ref &other) const EV_NOEXCEPT
jpayne@69 162 {
jpayne@69 163 #if EV_MULTIPLICITY
jpayne@69 164 return ! (*this == other);
jpayne@69 165 #else
jpayne@69 166 return false;
jpayne@69 167 #endif
jpayne@69 168 }
jpayne@69 169
jpayne@69 170 #if EV_MULTIPLICITY
jpayne@69 171 bool operator == (const EV_P) const EV_NOEXCEPT
jpayne@69 172 {
jpayne@69 173 return this->EV_AX == EV_A;
jpayne@69 174 }
jpayne@69 175
jpayne@69 176 bool operator != (const EV_P) const EV_NOEXCEPT
jpayne@69 177 {
jpayne@69 178 return ! (*this == EV_A);
jpayne@69 179 }
jpayne@69 180
jpayne@69 181 operator struct ev_loop * () const EV_NOEXCEPT
jpayne@69 182 {
jpayne@69 183 return EV_AX;
jpayne@69 184 }
jpayne@69 185
jpayne@69 186 operator const struct ev_loop * () const EV_NOEXCEPT
jpayne@69 187 {
jpayne@69 188 return EV_AX;
jpayne@69 189 }
jpayne@69 190
jpayne@69 191 bool is_default () const EV_NOEXCEPT
jpayne@69 192 {
jpayne@69 193 return EV_AX == ev_default_loop (0);
jpayne@69 194 }
jpayne@69 195 #endif
jpayne@69 196
jpayne@69 197 #if EV_COMPAT3
jpayne@69 198 void loop (int flags = 0)
jpayne@69 199 {
jpayne@69 200 ev_run (EV_AX_ flags);
jpayne@69 201 }
jpayne@69 202
jpayne@69 203 void unloop (how_t how = ONE) EV_NOEXCEPT
jpayne@69 204 {
jpayne@69 205 ev_break (EV_AX_ how);
jpayne@69 206 }
jpayne@69 207 #endif
jpayne@69 208
jpayne@69 209 void run (int flags = 0)
jpayne@69 210 {
jpayne@69 211 ev_run (EV_AX_ flags);
jpayne@69 212 }
jpayne@69 213
jpayne@69 214 void break_loop (how_t how = ONE) EV_NOEXCEPT
jpayne@69 215 {
jpayne@69 216 ev_break (EV_AX_ how);
jpayne@69 217 }
jpayne@69 218
jpayne@69 219 void post_fork () EV_NOEXCEPT
jpayne@69 220 {
jpayne@69 221 ev_loop_fork (EV_AX);
jpayne@69 222 }
jpayne@69 223
jpayne@69 224 unsigned int backend () const EV_NOEXCEPT
jpayne@69 225 {
jpayne@69 226 return ev_backend (EV_AX);
jpayne@69 227 }
jpayne@69 228
jpayne@69 229 tstamp now () const EV_NOEXCEPT
jpayne@69 230 {
jpayne@69 231 return ev_now (EV_AX);
jpayne@69 232 }
jpayne@69 233
jpayne@69 234 void ref () EV_NOEXCEPT
jpayne@69 235 {
jpayne@69 236 ev_ref (EV_AX);
jpayne@69 237 }
jpayne@69 238
jpayne@69 239 void unref () EV_NOEXCEPT
jpayne@69 240 {
jpayne@69 241 ev_unref (EV_AX);
jpayne@69 242 }
jpayne@69 243
jpayne@69 244 #if EV_FEATURE_API
jpayne@69 245 unsigned int iteration () const EV_NOEXCEPT
jpayne@69 246 {
jpayne@69 247 return ev_iteration (EV_AX);
jpayne@69 248 }
jpayne@69 249
jpayne@69 250 unsigned int depth () const EV_NOEXCEPT
jpayne@69 251 {
jpayne@69 252 return ev_depth (EV_AX);
jpayne@69 253 }
jpayne@69 254
jpayne@69 255 void set_io_collect_interval (tstamp interval) EV_NOEXCEPT
jpayne@69 256 {
jpayne@69 257 ev_set_io_collect_interval (EV_AX_ interval);
jpayne@69 258 }
jpayne@69 259
jpayne@69 260 void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT
jpayne@69 261 {
jpayne@69 262 ev_set_timeout_collect_interval (EV_AX_ interval);
jpayne@69 263 }
jpayne@69 264 #endif
jpayne@69 265
jpayne@69 266 // function callback
jpayne@69 267 void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT
jpayne@69 268 {
jpayne@69 269 ev_once (EV_AX_ fd, events, timeout, cb, arg);
jpayne@69 270 }
jpayne@69 271
jpayne@69 272 // method callback
jpayne@69 273 template<class K, void (K::*method)(int)>
jpayne@69 274 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
jpayne@69 275 {
jpayne@69 276 once (fd, events, timeout, method_thunk<K, method>, object);
jpayne@69 277 }
jpayne@69 278
jpayne@69 279 // default method == operator ()
jpayne@69 280 template<class K>
jpayne@69 281 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
jpayne@69 282 {
jpayne@69 283 once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
jpayne@69 284 }
jpayne@69 285
jpayne@69 286 template<class K, void (K::*method)(int)>
jpayne@69 287 static void method_thunk (int revents, void *arg)
jpayne@69 288 {
jpayne@69 289 (static_cast<K *>(arg)->*method)
jpayne@69 290 (revents);
jpayne@69 291 }
jpayne@69 292
jpayne@69 293 // no-argument method callback
jpayne@69 294 template<class K, void (K::*method)()>
jpayne@69 295 void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT
jpayne@69 296 {
jpayne@69 297 once (fd, events, timeout, method_noargs_thunk<K, method>, object);
jpayne@69 298 }
jpayne@69 299
jpayne@69 300 template<class K, void (K::*method)()>
jpayne@69 301 static void method_noargs_thunk (int revents, void *arg)
jpayne@69 302 {
jpayne@69 303 (static_cast<K *>(arg)->*method)
jpayne@69 304 ();
jpayne@69 305 }
jpayne@69 306
jpayne@69 307 // simpler function callback
jpayne@69 308 template<void (*cb)(int)>
jpayne@69 309 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
jpayne@69 310 {
jpayne@69 311 once (fd, events, timeout, simpler_func_thunk<cb>);
jpayne@69 312 }
jpayne@69 313
jpayne@69 314 template<void (*cb)(int)>
jpayne@69 315 static void simpler_func_thunk (int revents, void *arg)
jpayne@69 316 {
jpayne@69 317 (*cb)
jpayne@69 318 (revents);
jpayne@69 319 }
jpayne@69 320
jpayne@69 321 // simplest function callback
jpayne@69 322 template<void (*cb)()>
jpayne@69 323 void once (int fd, int events, tstamp timeout) EV_NOEXCEPT
jpayne@69 324 {
jpayne@69 325 once (fd, events, timeout, simplest_func_thunk<cb>);
jpayne@69 326 }
jpayne@69 327
jpayne@69 328 template<void (*cb)()>
jpayne@69 329 static void simplest_func_thunk (int revents, void *arg)
jpayne@69 330 {
jpayne@69 331 (*cb)
jpayne@69 332 ();
jpayne@69 333 }
jpayne@69 334
jpayne@69 335 void feed_fd_event (int fd, int revents) EV_NOEXCEPT
jpayne@69 336 {
jpayne@69 337 ev_feed_fd_event (EV_AX_ fd, revents);
jpayne@69 338 }
jpayne@69 339
jpayne@69 340 void feed_signal_event (int signum) EV_NOEXCEPT
jpayne@69 341 {
jpayne@69 342 ev_feed_signal_event (EV_AX_ signum);
jpayne@69 343 }
jpayne@69 344
jpayne@69 345 #if EV_MULTIPLICITY
jpayne@69 346 struct ev_loop* EV_AX;
jpayne@69 347 #endif
jpayne@69 348
jpayne@69 349 };
jpayne@69 350
jpayne@69 351 #if EV_MULTIPLICITY
jpayne@69 352 struct dynamic_loop : loop_ref
jpayne@69 353 {
jpayne@69 354
jpayne@69 355 dynamic_loop (unsigned int flags = AUTO)
jpayne@69 356 : loop_ref (ev_loop_new (flags))
jpayne@69 357 {
jpayne@69 358 if (!EV_AX)
jpayne@69 359 throw bad_loop ();
jpayne@69 360 }
jpayne@69 361
jpayne@69 362 ~dynamic_loop () EV_NOEXCEPT
jpayne@69 363 {
jpayne@69 364 ev_loop_destroy (EV_AX);
jpayne@69 365 EV_AX = 0;
jpayne@69 366 }
jpayne@69 367
jpayne@69 368 private:
jpayne@69 369
jpayne@69 370 dynamic_loop (const dynamic_loop &);
jpayne@69 371
jpayne@69 372 dynamic_loop & operator= (const dynamic_loop &);
jpayne@69 373
jpayne@69 374 };
jpayne@69 375 #endif
jpayne@69 376
jpayne@69 377 struct default_loop : loop_ref
jpayne@69 378 {
jpayne@69 379 default_loop (unsigned int flags = AUTO)
jpayne@69 380 #if EV_MULTIPLICITY
jpayne@69 381 : loop_ref (ev_default_loop (flags))
jpayne@69 382 #endif
jpayne@69 383 {
jpayne@69 384 if (
jpayne@69 385 #if EV_MULTIPLICITY
jpayne@69 386 !EV_AX
jpayne@69 387 #else
jpayne@69 388 !ev_default_loop (flags)
jpayne@69 389 #endif
jpayne@69 390 )
jpayne@69 391 throw bad_loop ();
jpayne@69 392 }
jpayne@69 393
jpayne@69 394 private:
jpayne@69 395 default_loop (const default_loop &);
jpayne@69 396 default_loop &operator = (const default_loop &);
jpayne@69 397 };
jpayne@69 398
jpayne@69 399 inline loop_ref get_default_loop () EV_NOEXCEPT
jpayne@69 400 {
jpayne@69 401 #if EV_MULTIPLICITY
jpayne@69 402 return ev_default_loop (0);
jpayne@69 403 #else
jpayne@69 404 return loop_ref ();
jpayne@69 405 #endif
jpayne@69 406 }
jpayne@69 407
jpayne@69 408 #undef EV_AX
jpayne@69 409 #undef EV_AX_
jpayne@69 410
jpayne@69 411 #undef EV_PX
jpayne@69 412 #undef EV_PX_
jpayne@69 413 #if EV_MULTIPLICITY
jpayne@69 414 # define EV_PX loop_ref EV_A
jpayne@69 415 # define EV_PX_ loop_ref EV_A_
jpayne@69 416 #else
jpayne@69 417 # define EV_PX
jpayne@69 418 # define EV_PX_
jpayne@69 419 #endif
jpayne@69 420
jpayne@69 421 template<class ev_watcher, class watcher>
jpayne@69 422 struct base : ev_watcher
jpayne@69 423 {
jpayne@69 424 // scoped pause/unpause of a watcher
jpayne@69 425 struct freeze_guard
jpayne@69 426 {
jpayne@69 427 watcher &w;
jpayne@69 428 bool active;
jpayne@69 429
jpayne@69 430 freeze_guard (watcher *self) EV_NOEXCEPT
jpayne@69 431 : w (*self), active (w.is_active ())
jpayne@69 432 {
jpayne@69 433 if (active) w.stop ();
jpayne@69 434 }
jpayne@69 435
jpayne@69 436 ~freeze_guard ()
jpayne@69 437 {
jpayne@69 438 if (active) w.start ();
jpayne@69 439 }
jpayne@69 440 };
jpayne@69 441
jpayne@69 442 #if EV_MULTIPLICITY
jpayne@69 443 EV_PX;
jpayne@69 444
jpayne@69 445 // loop set
jpayne@69 446 void set (EV_P) EV_NOEXCEPT
jpayne@69 447 {
jpayne@69 448 this->EV_A = EV_A;
jpayne@69 449 }
jpayne@69 450 #endif
jpayne@69 451
jpayne@69 452 base (EV_PX) EV_NOEXCEPT
jpayne@69 453 #if EV_MULTIPLICITY
jpayne@69 454 : EV_A (EV_A)
jpayne@69 455 #endif
jpayne@69 456 {
jpayne@69 457 ev_init (this, 0);
jpayne@69 458 }
jpayne@69 459
jpayne@69 460 void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT
jpayne@69 461 {
jpayne@69 462 this->data = (void *)data;
jpayne@69 463 ev_set_cb (static_cast<ev_watcher *>(this), cb);
jpayne@69 464 }
jpayne@69 465
jpayne@69 466 // function callback
jpayne@69 467 template<void (*function)(watcher &w, int)>
jpayne@69 468 void set (void *data = 0) EV_NOEXCEPT
jpayne@69 469 {
jpayne@69 470 set_ (data, function_thunk<function>);
jpayne@69 471 }
jpayne@69 472
jpayne@69 473 template<void (*function)(watcher &w, int)>
jpayne@69 474 static void function_thunk (EV_P_ ev_watcher *w, int revents)
jpayne@69 475 {
jpayne@69 476 function
jpayne@69 477 (*static_cast<watcher *>(w), revents);
jpayne@69 478 }
jpayne@69 479
jpayne@69 480 // method callback
jpayne@69 481 template<class K, void (K::*method)(watcher &w, int)>
jpayne@69 482 void set (K *object) EV_NOEXCEPT
jpayne@69 483 {
jpayne@69 484 set_ (object, method_thunk<K, method>);
jpayne@69 485 }
jpayne@69 486
jpayne@69 487 // default method == operator ()
jpayne@69 488 template<class K>
jpayne@69 489 void set (K *object) EV_NOEXCEPT
jpayne@69 490 {
jpayne@69 491 set_ (object, method_thunk<K, &K::operator ()>);
jpayne@69 492 }
jpayne@69 493
jpayne@69 494 template<class K, void (K::*method)(watcher &w, int)>
jpayne@69 495 static void method_thunk (EV_P_ ev_watcher *w, int revents)
jpayne@69 496 {
jpayne@69 497 (static_cast<K *>(w->data)->*method)
jpayne@69 498 (*static_cast<watcher *>(w), revents);
jpayne@69 499 }
jpayne@69 500
jpayne@69 501 // no-argument callback
jpayne@69 502 template<class K, void (K::*method)()>
jpayne@69 503 void set (K *object) EV_NOEXCEPT
jpayne@69 504 {
jpayne@69 505 set_ (object, method_noargs_thunk<K, method>);
jpayne@69 506 }
jpayne@69 507
jpayne@69 508 template<class K, void (K::*method)()>
jpayne@69 509 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
jpayne@69 510 {
jpayne@69 511 (static_cast<K *>(w->data)->*method)
jpayne@69 512 ();
jpayne@69 513 }
jpayne@69 514
jpayne@69 515 void operator ()(int events = EV_UNDEF)
jpayne@69 516 {
jpayne@69 517 return
jpayne@69 518 ev_cb (static_cast<ev_watcher *>(this))
jpayne@69 519 (static_cast<ev_watcher *>(this), events);
jpayne@69 520 }
jpayne@69 521
jpayne@69 522 bool is_active () const EV_NOEXCEPT
jpayne@69 523 {
jpayne@69 524 return ev_is_active (static_cast<const ev_watcher *>(this));
jpayne@69 525 }
jpayne@69 526
jpayne@69 527 bool is_pending () const EV_NOEXCEPT
jpayne@69 528 {
jpayne@69 529 return ev_is_pending (static_cast<const ev_watcher *>(this));
jpayne@69 530 }
jpayne@69 531
jpayne@69 532 void feed_event (int revents) EV_NOEXCEPT
jpayne@69 533 {
jpayne@69 534 ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents);
jpayne@69 535 }
jpayne@69 536 };
jpayne@69 537
jpayne@69 538 inline tstamp now (EV_P) EV_NOEXCEPT
jpayne@69 539 {
jpayne@69 540 return ev_now (EV_A);
jpayne@69 541 }
jpayne@69 542
jpayne@69 543 inline void delay (tstamp interval) EV_NOEXCEPT
jpayne@69 544 {
jpayne@69 545 ev_sleep (interval);
jpayne@69 546 }
jpayne@69 547
jpayne@69 548 inline int version_major () EV_NOEXCEPT
jpayne@69 549 {
jpayne@69 550 return ev_version_major ();
jpayne@69 551 }
jpayne@69 552
jpayne@69 553 inline int version_minor () EV_NOEXCEPT
jpayne@69 554 {
jpayne@69 555 return ev_version_minor ();
jpayne@69 556 }
jpayne@69 557
jpayne@69 558 inline unsigned int supported_backends () EV_NOEXCEPT
jpayne@69 559 {
jpayne@69 560 return ev_supported_backends ();
jpayne@69 561 }
jpayne@69 562
jpayne@69 563 inline unsigned int recommended_backends () EV_NOEXCEPT
jpayne@69 564 {
jpayne@69 565 return ev_recommended_backends ();
jpayne@69 566 }
jpayne@69 567
jpayne@69 568 inline unsigned int embeddable_backends () EV_NOEXCEPT
jpayne@69 569 {
jpayne@69 570 return ev_embeddable_backends ();
jpayne@69 571 }
jpayne@69 572
jpayne@69 573 inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
jpayne@69 574 {
jpayne@69 575 ev_set_allocator (cb);
jpayne@69 576 }
jpayne@69 577
jpayne@69 578 inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
jpayne@69 579 {
jpayne@69 580 ev_set_syserr_cb (cb);
jpayne@69 581 }
jpayne@69 582
jpayne@69 583 #if EV_MULTIPLICITY
jpayne@69 584 #define EV_CONSTRUCT(cppstem,cstem) \
jpayne@69 585 (EV_PX = get_default_loop ()) EV_NOEXCEPT \
jpayne@69 586 : base<ev_ ## cstem, cppstem> (EV_A) \
jpayne@69 587 { \
jpayne@69 588 }
jpayne@69 589 #else
jpayne@69 590 #define EV_CONSTRUCT(cppstem,cstem) \
jpayne@69 591 () EV_NOEXCEPT \
jpayne@69 592 { \
jpayne@69 593 }
jpayne@69 594 #endif
jpayne@69 595
jpayne@69 596 /* using a template here would require quite a few more lines,
jpayne@69 597 * so a macro solution was chosen */
jpayne@69 598 #define EV_BEGIN_WATCHER(cppstem,cstem) \
jpayne@69 599 \
jpayne@69 600 struct cppstem : base<ev_ ## cstem, cppstem> \
jpayne@69 601 { \
jpayne@69 602 void start () EV_NOEXCEPT \
jpayne@69 603 { \
jpayne@69 604 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
jpayne@69 605 } \
jpayne@69 606 \
jpayne@69 607 void stop () EV_NOEXCEPT \
jpayne@69 608 { \
jpayne@69 609 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
jpayne@69 610 } \
jpayne@69 611 \
jpayne@69 612 cppstem EV_CONSTRUCT(cppstem,cstem) \
jpayne@69 613 \
jpayne@69 614 ~cppstem () EV_NOEXCEPT \
jpayne@69 615 { \
jpayne@69 616 stop (); \
jpayne@69 617 } \
jpayne@69 618 \
jpayne@69 619 using base<ev_ ## cstem, cppstem>::set; \
jpayne@69 620 \
jpayne@69 621 private: \
jpayne@69 622 \
jpayne@69 623 cppstem (const cppstem &o); \
jpayne@69 624 \
jpayne@69 625 cppstem &operator =(const cppstem &o); \
jpayne@69 626 \
jpayne@69 627 public:
jpayne@69 628
jpayne@69 629 #define EV_END_WATCHER(cppstem,cstem) \
jpayne@69 630 };
jpayne@69 631
jpayne@69 632 EV_BEGIN_WATCHER (io, io)
jpayne@69 633 void set (int fd, int events) EV_NOEXCEPT
jpayne@69 634 {
jpayne@69 635 freeze_guard freeze (this);
jpayne@69 636 ev_io_set (static_cast<ev_io *>(this), fd, events);
jpayne@69 637 }
jpayne@69 638
jpayne@69 639 void set (int events) EV_NOEXCEPT
jpayne@69 640 {
jpayne@69 641 freeze_guard freeze (this);
jpayne@69 642 ev_io_modify (static_cast<ev_io *>(this), events);
jpayne@69 643 }
jpayne@69 644
jpayne@69 645 void start (int fd, int events) EV_NOEXCEPT
jpayne@69 646 {
jpayne@69 647 set (fd, events);
jpayne@69 648 start ();
jpayne@69 649 }
jpayne@69 650 EV_END_WATCHER (io, io)
jpayne@69 651
jpayne@69 652 EV_BEGIN_WATCHER (timer, timer)
jpayne@69 653 void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
jpayne@69 654 {
jpayne@69 655 freeze_guard freeze (this);
jpayne@69 656 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
jpayne@69 657 }
jpayne@69 658
jpayne@69 659 void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT
jpayne@69 660 {
jpayne@69 661 set (after, repeat);
jpayne@69 662 start ();
jpayne@69 663 }
jpayne@69 664
jpayne@69 665 void again () EV_NOEXCEPT
jpayne@69 666 {
jpayne@69 667 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
jpayne@69 668 }
jpayne@69 669
jpayne@69 670 ev_tstamp remaining ()
jpayne@69 671 {
jpayne@69 672 return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this));
jpayne@69 673 }
jpayne@69 674 EV_END_WATCHER (timer, timer)
jpayne@69 675
jpayne@69 676 #if EV_PERIODIC_ENABLE
jpayne@69 677 EV_BEGIN_WATCHER (periodic, periodic)
jpayne@69 678 void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
jpayne@69 679 {
jpayne@69 680 freeze_guard freeze (this);
jpayne@69 681 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
jpayne@69 682 }
jpayne@69 683
jpayne@69 684 void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT
jpayne@69 685 {
jpayne@69 686 set (at, interval);
jpayne@69 687 start ();
jpayne@69 688 }
jpayne@69 689
jpayne@69 690 void again () EV_NOEXCEPT
jpayne@69 691 {
jpayne@69 692 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
jpayne@69 693 }
jpayne@69 694 EV_END_WATCHER (periodic, periodic)
jpayne@69 695 #endif
jpayne@69 696
jpayne@69 697 #if EV_SIGNAL_ENABLE
jpayne@69 698 EV_BEGIN_WATCHER (sig, signal)
jpayne@69 699 void set (int signum) EV_NOEXCEPT
jpayne@69 700 {
jpayne@69 701 freeze_guard freeze (this);
jpayne@69 702 ev_signal_set (static_cast<ev_signal *>(this), signum);
jpayne@69 703 }
jpayne@69 704
jpayne@69 705 void start (int signum) EV_NOEXCEPT
jpayne@69 706 {
jpayne@69 707 set (signum);
jpayne@69 708 start ();
jpayne@69 709 }
jpayne@69 710 EV_END_WATCHER (sig, signal)
jpayne@69 711 #endif
jpayne@69 712
jpayne@69 713 #if EV_CHILD_ENABLE
jpayne@69 714 EV_BEGIN_WATCHER (child, child)
jpayne@69 715 void set (int pid, int trace = 0) EV_NOEXCEPT
jpayne@69 716 {
jpayne@69 717 freeze_guard freeze (this);
jpayne@69 718 ev_child_set (static_cast<ev_child *>(this), pid, trace);
jpayne@69 719 }
jpayne@69 720
jpayne@69 721 void start (int pid, int trace = 0) EV_NOEXCEPT
jpayne@69 722 {
jpayne@69 723 set (pid, trace);
jpayne@69 724 start ();
jpayne@69 725 }
jpayne@69 726 EV_END_WATCHER (child, child)
jpayne@69 727 #endif
jpayne@69 728
jpayne@69 729 #if EV_STAT_ENABLE
jpayne@69 730 EV_BEGIN_WATCHER (stat, stat)
jpayne@69 731 void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
jpayne@69 732 {
jpayne@69 733 freeze_guard freeze (this);
jpayne@69 734 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
jpayne@69 735 }
jpayne@69 736
jpayne@69 737 void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT
jpayne@69 738 {
jpayne@69 739 stop ();
jpayne@69 740 set (path, interval);
jpayne@69 741 start ();
jpayne@69 742 }
jpayne@69 743
jpayne@69 744 void update () EV_NOEXCEPT
jpayne@69 745 {
jpayne@69 746 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
jpayne@69 747 }
jpayne@69 748 EV_END_WATCHER (stat, stat)
jpayne@69 749 #endif
jpayne@69 750
jpayne@69 751 #if EV_IDLE_ENABLE
jpayne@69 752 EV_BEGIN_WATCHER (idle, idle)
jpayne@69 753 void set () EV_NOEXCEPT { }
jpayne@69 754 EV_END_WATCHER (idle, idle)
jpayne@69 755 #endif
jpayne@69 756
jpayne@69 757 #if EV_PREPARE_ENABLE
jpayne@69 758 EV_BEGIN_WATCHER (prepare, prepare)
jpayne@69 759 void set () EV_NOEXCEPT { }
jpayne@69 760 EV_END_WATCHER (prepare, prepare)
jpayne@69 761 #endif
jpayne@69 762
jpayne@69 763 #if EV_CHECK_ENABLE
jpayne@69 764 EV_BEGIN_WATCHER (check, check)
jpayne@69 765 void set () EV_NOEXCEPT { }
jpayne@69 766 EV_END_WATCHER (check, check)
jpayne@69 767 #endif
jpayne@69 768
jpayne@69 769 #if EV_EMBED_ENABLE
jpayne@69 770 EV_BEGIN_WATCHER (embed, embed)
jpayne@69 771 void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT
jpayne@69 772 {
jpayne@69 773 freeze_guard freeze (this);
jpayne@69 774 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
jpayne@69 775 }
jpayne@69 776
jpayne@69 777 void start (struct ev_loop *embedded_loop) EV_NOEXCEPT
jpayne@69 778 {
jpayne@69 779 set (embedded_loop);
jpayne@69 780 start ();
jpayne@69 781 }
jpayne@69 782
jpayne@69 783 void sweep ()
jpayne@69 784 {
jpayne@69 785 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
jpayne@69 786 }
jpayne@69 787 EV_END_WATCHER (embed, embed)
jpayne@69 788 #endif
jpayne@69 789
jpayne@69 790 #if EV_FORK_ENABLE
jpayne@69 791 EV_BEGIN_WATCHER (fork, fork)
jpayne@69 792 void set () EV_NOEXCEPT { }
jpayne@69 793 EV_END_WATCHER (fork, fork)
jpayne@69 794 #endif
jpayne@69 795
jpayne@69 796 #if EV_ASYNC_ENABLE
jpayne@69 797 EV_BEGIN_WATCHER (async, async)
jpayne@69 798 void send () EV_NOEXCEPT
jpayne@69 799 {
jpayne@69 800 ev_async_send (EV_A_ static_cast<ev_async *>(this));
jpayne@69 801 }
jpayne@69 802
jpayne@69 803 bool async_pending () EV_NOEXCEPT
jpayne@69 804 {
jpayne@69 805 return ev_async_pending (static_cast<ev_async *>(this));
jpayne@69 806 }
jpayne@69 807 EV_END_WATCHER (async, async)
jpayne@69 808 #endif
jpayne@69 809
jpayne@69 810 #undef EV_PX
jpayne@69 811 #undef EV_PX_
jpayne@69 812 #undef EV_CONSTRUCT
jpayne@69 813 #undef EV_BEGIN_WATCHER
jpayne@69 814 #undef EV_END_WATCHER
jpayne@69 815 }
jpayne@69 816
jpayne@69 817 #endif
jpayne@69 818