Hello, I'm using libevent for signal handling extensively and noticed a slight problem: signals are (re)set every time you enter event_base_loop() and the problem code is:
event_init(); // install handler for SIHCHLD with signal_set/signal_add // fork a child process event_dispatch(); the posix standard says: http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html [^] If a process establishes a signal-catching function for the SIGCHLD signal while it has a terminated child process for which it has not waited, it is unspecified whether a SIGCHLD signal is generated to indicate that child process. and therefore if child process exits before you enter event_dispatch() you may not get SIGCHLD at all. the workaround i use is: install signal event, install the event that fires 1ms after entering event loop and in callback fork the process. but it's ugly. is there a good reason for such behaviour except simplicity? should i submit a bug report or a patch ? :) -- Anton Povarov [ [EMAIL PROTECTED] ] [ ICQ: 85431470 ] _______________________________________________ Libevent-users mailing list Libevent-users@monkey.org http://monkey.org/mailman/listinfo/libevent-users
