| … | |
… | |
| 2393 | |
2393 | |
| 2394 | ev_periodic hourly_tick; |
2394 | ev_periodic hourly_tick; |
| 2395 | ev_periodic_init (&hourly_tick, clock_cb, |
2395 | ev_periodic_init (&hourly_tick, clock_cb, |
| 2396 | fmod (ev_now (loop), 3600.), 3600., 0); |
2396 | fmod (ev_now (loop), 3600.), 3600., 0); |
| 2397 | ev_periodic_start (loop, &hourly_tick); |
2397 | ev_periodic_start (loop, &hourly_tick); |
| 2398 | |
2398 | |
| 2399 | |
2399 | |
| 2400 | =head2 C<ev_signal> - signal me when a signal gets signalled! |
2400 | =head2 C<ev_signal> - signal me when a signal gets signalled! |
| 2401 | |
2401 | |
| 2402 | Signal watchers will trigger an event when the process receives a specific |
2402 | Signal watchers will trigger an event when the process receives a specific |
| 2403 | signal one or more times. Even though signals are very asynchronous, libev |
2403 | signal one or more times. Even though signals are very asynchronous, libev |
| … | |
… | |
| 2413 | only within the same loop, i.e. you can watch for C<SIGINT> in your |
2413 | only within the same loop, i.e. you can watch for C<SIGINT> in your |
| 2414 | default loop and for C<SIGIO> in another loop, but you cannot watch for |
2414 | default loop and for C<SIGIO> in another loop, but you cannot watch for |
| 2415 | C<SIGINT> in both the default loop and another loop at the same time. At |
2415 | C<SIGINT> in both the default loop and another loop at the same time. At |
| 2416 | the moment, C<SIGCHLD> is permanently tied to the default loop. |
2416 | the moment, C<SIGCHLD> is permanently tied to the default loop. |
| 2417 | |
2417 | |
| 2418 | When the first watcher gets started will libev actually register something |
2418 | Only after the first watcher for a signal is started will libev actually |
| 2419 | with the kernel (thus it coexists with your own signal handlers as long as |
2419 | register something with the kernel. It thus coexists with your own signal |
| 2420 | you don't register any with libev for the same signal). |
2420 | handlers as long as you don't register any with libev for the same signal. |
| 2421 | |
2421 | |
| 2422 | If possible and supported, libev will install its handlers with |
2422 | If possible and supported, libev will install its handlers with |
| 2423 | C<SA_RESTART> (or equivalent) behaviour enabled, so system calls should |
2423 | C<SA_RESTART> (or equivalent) behaviour enabled, so system calls should |
| 2424 | not be unduly interrupted. If you have a problem with system calls getting |
2424 | not be unduly interrupted. If you have a problem with system calls getting |
| 2425 | interrupted by signals you can block all signals in an C<ev_check> watcher |
2425 | interrupted by signals you can block all signals in an C<ev_check> watcher |
| … | |
… | |
| 3213 | used). |
3213 | used). |
| 3214 | |
3214 | |
| 3215 | struct ev_loop *loop_hi = ev_default_init (0); |
3215 | struct ev_loop *loop_hi = ev_default_init (0); |
| 3216 | struct ev_loop *loop_lo = 0; |
3216 | struct ev_loop *loop_lo = 0; |
| 3217 | ev_embed embed; |
3217 | ev_embed embed; |
| 3218 | |
3218 | |
| 3219 | // see if there is a chance of getting one that works |
3219 | // see if there is a chance of getting one that works |
| 3220 | // (remember that a flags value of 0 means autodetection) |
3220 | // (remember that a flags value of 0 means autodetection) |
| 3221 | loop_lo = ev_embeddable_backends () & ev_recommended_backends () |
3221 | loop_lo = ev_embeddable_backends () & ev_recommended_backends () |
| 3222 | ? ev_loop_new (ev_embeddable_backends () & ev_recommended_backends ()) |
3222 | ? ev_loop_new (ev_embeddable_backends () & ev_recommended_backends ()) |
| 3223 | : 0; |
3223 | : 0; |
| … | |
… | |
| 3237 | C<loop_socket>. (One might optionally use C<EVFLAG_NOENV>, too). |
3237 | C<loop_socket>. (One might optionally use C<EVFLAG_NOENV>, too). |
| 3238 | |
3238 | |
| 3239 | struct ev_loop *loop = ev_default_init (0); |
3239 | struct ev_loop *loop = ev_default_init (0); |
| 3240 | struct ev_loop *loop_socket = 0; |
3240 | struct ev_loop *loop_socket = 0; |
| 3241 | ev_embed embed; |
3241 | ev_embed embed; |
| 3242 | |
3242 | |
| 3243 | if (ev_supported_backends () & ~ev_recommended_backends () & EVBACKEND_KQUEUE) |
3243 | if (ev_supported_backends () & ~ev_recommended_backends () & EVBACKEND_KQUEUE) |
| 3244 | if ((loop_socket = ev_loop_new (EVBACKEND_KQUEUE)) |
3244 | if ((loop_socket = ev_loop_new (EVBACKEND_KQUEUE)) |
| 3245 | { |
3245 | { |
| 3246 | ev_embed_init (&embed, 0, loop_socket); |
3246 | ev_embed_init (&embed, 0, loop_socket); |
| 3247 | ev_embed_start (loop, &embed); |
3247 | ev_embed_start (loop, &embed); |
| … | |
… | |
| 4097 | void operator() (ev::io &w, int revents) |
4097 | void operator() (ev::io &w, int revents) |
| 4098 | { |
4098 | { |
| 4099 | ... |
4099 | ... |
| 4100 | } |
4100 | } |
| 4101 | } |
4101 | } |
| 4102 | |
4102 | |
| 4103 | myfunctor f; |
4103 | myfunctor f; |
| 4104 | |
4104 | |
| 4105 | ev::io w; |
4105 | ev::io w; |
| 4106 | w.set (&f); |
4106 | w.set (&f); |
| 4107 | |
4107 | |
