| 1 | /* |
1 | /* |
| 2 | * libev native API header |
2 | * libev native API header |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 165 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
165 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
| 166 | #endif |
166 | #endif |
| 167 | |
167 | |
| 168 | /* |
168 | /* |
| 169 | * struct member types: |
169 | * struct member types: |
| 170 | * private: you can look at them, but not change them, and they might not mean anything to you. |
170 | * private: you may look at them, but not change them, |
|
|
171 | * and they might not mean anything to you. |
| 171 | * ro: can be read anytime, but only changed when the watcher isn't active |
172 | * ro: can be read anytime, but only changed when the watcher isn't active. |
| 172 | * rw: can be read and modified anytime, even when the watcher is active |
173 | * rw: can be read and modified anytime, even when the watcher is active. |
| 173 | * |
174 | * |
| 174 | * some internal details that might be helpful for debugging: |
175 | * some internal details that might be helpful for debugging: |
| 175 | * |
176 | * |
| 176 | * active is either 0, which means the watcher is not active, |
177 | * active is either 0, which means the watcher is not active, |
| 177 | * or the array index of the watcher (periodics, timers) |
178 | * or the array index of the watcher (periodics, timers) |
| 178 | * or the array index + 1 (most other watchers) |
179 | * or the array index + 1 (most other watchers) |
| 179 | * or simply 1 for watchers that aren't in some array. |
180 | * or simply 1 for watchers that aren't in some array. |
| 180 | * pending is either 0, in which case the watcher isn't, |
181 | * pending is either 0, in which case the watcher isn't, |
| 181 | * or the array index + 1 in the pendings array. |
182 | * or the array index + 1 in the pendings array. |
| 182 | */ |
183 | */ |
| 183 | |
184 | |
| 184 | /* shared by all watchers */ |
185 | /* shared by all watchers */ |
| 185 | #define EV_WATCHER(type) \ |
186 | #define EV_WATCHER(type) \ |
| 186 | int active; /* private */ \ |
187 | int active; /* private */ \ |
| … | |
… | |
| 513 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
514 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
| 514 | */ |
515 | */ |
| 515 | void ev_ref (EV_P); |
516 | void ev_ref (EV_P); |
| 516 | void ev_unref (EV_P); |
517 | void ev_unref (EV_P); |
| 517 | |
518 | |
| 518 | /* convinience function, wait for a single event, without registering an event watcher */ |
519 | /* convenience function, wait for a single event, without registering an event watcher */ |
| 519 | /* if timeout is < 0, do wait indefinitely */ |
520 | /* if timeout is < 0, do wait indefinitely */ |
| 520 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
521 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
| 521 | #endif |
522 | #endif |
| 522 | |
523 | |
| 523 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
524 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
