… | |
… | |
704 | event loop time (see C<ev_now_update>). |
704 | event loop time (see C<ev_now_update>). |
705 | |
705 | |
706 | =item ev_loop (loop, int flags) |
706 | =item ev_loop (loop, int flags) |
707 | |
707 | |
708 | Finally, this is it, the event handler. This function usually is called |
708 | Finally, this is it, the event handler. This function usually is called |
709 | after you initialised all your watchers and you want to start handling |
709 | after you have initialised all your watchers and you want to start |
710 | events. |
710 | handling events. |
711 | |
711 | |
712 | If the flags argument is specified as C<0>, it will not return until |
712 | If the flags argument is specified as C<0>, it will not return until |
713 | either no event watchers are active anymore or C<ev_unloop> was called. |
713 | either no event watchers are active anymore or C<ev_unloop> was called. |
714 | |
714 | |
715 | Please note that an explicit C<ev_unloop> is usually better than |
715 | Please note that an explicit C<ev_unloop> is usually better than |
… | |
… | |
2130 | |
2130 | |
2131 | This means that before calling C<exec> (from the child) you should reset |
2131 | This means that before calling C<exec> (from the child) you should reset |
2132 | the signal mask to whatever "default" you expect (all clear is a good |
2132 | the signal mask to whatever "default" you expect (all clear is a good |
2133 | choice usually). |
2133 | choice usually). |
2134 | |
2134 | |
|
|
2135 | The simplest way to ensure that the signal mask is reset in the child is |
|
|
2136 | to install a fork handler with C<pthread_atfork> that resets it. That will |
|
|
2137 | catch fork calls done by libraries (such as the libc) as well. |
|
|
2138 | |
2135 | In current versions of libev, you can ensure that the signal mask is not |
2139 | In current versions of libev, you can also ensure that the signal mask is |
2136 | blocking any signals (except temporarily, so thread users watch out) by |
2140 | not blocking any signals (except temporarily, so thread users watch out) |
2137 | specifying the C<EVFLAG_NOSIGNALFD> when creating the event loop. This is |
2141 | by specifying the C<EVFLAG_NOSIGNALFD> when creating the event loop. This |
2138 | not guaranteed for future versions, however. |
2142 | is not guaranteed for future versions, however. |
2139 | |
2143 | |
2140 | =head3 Watcher-Specific Functions and Data Members |
2144 | =head3 Watcher-Specific Functions and Data Members |
2141 | |
2145 | |
2142 | =over 4 |
2146 | =over 4 |
2143 | |
2147 | |