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DJWLindenaar's fix race condition and some memory leaks patch

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git-svn-id: https://svn.musicpd.org/mpd/trunk@3681 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Qball Cow
2005-11-18 12:09:05 +00:00
parent 32e5f4ca2b
commit 4b00c62587
7 changed files with 44 additions and 8 deletions
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13
src/sig_handlers.c
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@@ -56,7 +56,17 @@ int masterHandlePendingSignals() {
}
int handlePendingSignals() {
if(signal_is_pending(SIGINT) || signal_is_pending(SIGTERM)) {
/* this SIGUSR1 signal comes before the KILL signals, because there if the process is
* looping, waiting for this signal, it will not respond to the KILL signal. This might be
* better implemented by using bit-wise defines and or'ing of the COMMAND_FOO as return.
*/
if (signal_is_pending(SIGUSR1)) {
signal_clear(SIGUSR1);
DEBUG("The master process is ready to receive signals\n");
return COMMAND_MASTER_READY;
}
if(signal_is_pending(SIGINT) || signal_is_pending(SIGTERM)) {
DEBUG("main process got SIGINT or SIGTERM, exiting\n");
return COMMAND_RETURN_KILL;
}
@@ -135,6 +145,7 @@ void initSigHandlers() {
while(sigaction(SIGPIPE,&sa,NULL)<0 && errno==EINTR);
sa.sa_handler = chldSigHandler;
while(sigaction(SIGCHLD,&sa,NULL)<0 && errno==EINTR);
signal_handle(SIGUSR2);
signal_handle(SIGUSR1);
signal_handle(SIGINT);
signal_handle(SIGTERM);