diff options
Diffstat (limited to 'src/sig_handlers.c')
-rw-r--r-- | src/sig_handlers.c | 72 |
1 files changed, 30 insertions, 42 deletions
diff --git a/src/sig_handlers.c b/src/sig_handlers.c index ed6fb4631..1dc1f428b 100644 --- a/src/sig_handlers.c +++ b/src/sig_handlers.c @@ -20,35 +20,41 @@ #include "player.h" #include "playlist.h" #include "directory.h" +#include "command.h" +#include "signal_check.h" +#include "log.h" #include <signal.h> #include <sys/types.h> #include <sys/time.h> #include <sys/resource.h> #include <sys/wait.h> - -struct sigaction original_termSa; -struct sigaction original_hupSa; - -void termSigHandler(int signal) { - if(signal==SIGTERM) { - savePlaylistState(); - playerKill(); - exit(EXIT_SUCCESS); +#include <errno.h> + +int handlePendingSignals() { + if(signal_is_pending(SIGINT) || signal_is_pending(SIGTERM)) { + DEBUG("got SIGINT or SIGTERM, exiting\n"); + return COMMAND_RETURN_KILL; + } + + if(signal_is_pending(SIGHUP)) { + DEBUG("got SIGHUP, rereading DB\n"); + signal_clear(SIGHUP); + readDirectoryDB(); } -} - -void usr1SigHandler(int signal) { -} -void hupSigHandler(int signal) { - readDirectoryDB(); + return 0; } void chldSigHandler(int signal) { int status; int pid; - while((pid = wait3(&status,WNOHANG,NULL)) > 0) { + DEBUG("got SIGCHLD\n"); + while(0 != (pid = wait3(&status,WNOHANG,NULL))) { + if(pid<0) { + if(errno==EINTR) continue; + else break; + } player_sigChldHandler(pid,status); directory_sigChldHandler(pid,status); } @@ -61,19 +67,19 @@ void initSigHandlers() { sigemptyset(&sa.sa_mask); sa.sa_handler = SIG_IGN; sigaction(SIGPIPE,&sa,NULL); - sa.sa_handler = usr1SigHandler; - sigaction(SIGUSR1,&sa,NULL); sa.sa_handler = chldSigHandler; sigaction(SIGCHLD,&sa,NULL); - sa.sa_handler = hupSigHandler; - sigaction(SIGHUP,&sa,&original_hupSa); - sa.sa_handler = termSigHandler; - sigaction(SIGTERM,&sa,&original_termSa); + signal_handle(SIGUSR1); + signal_handle(SIGINT); + signal_handle(SIGTERM); + signal_handle(SIGHUP); } void finishSigHandlers() { - sigaction(SIGHUP,&original_termSa,NULL); - sigaction(SIGTERM,&original_termSa,NULL); + signal_unhandle(SIGINT); + signal_unhandle(SIGUSR1); + signal_unhandle(SIGTERM); + signal_unhandle(SIGHUP); } void blockSignals() { @@ -95,21 +101,3 @@ void unblockSignals() { sigaddset(&sset,SIGHUP); sigprocmask(SIG_UNBLOCK,&sset,NULL); } - -void blockTermSignal() { - sigset_t sset; - - sigemptyset(&sset); - sigaddset(&sset,SIGTERM); - sigaddset(&sset,SIGHUP); - sigprocmask(SIG_BLOCK,&sset,NULL); -} - -void unblockTermSignal() { - sigset_t sset; - - sigemptyset(&sset); - sigaddset(&sset,SIGTERM); - sigaddset(&sset,SIGHUP); - sigprocmask(SIG_UNBLOCK,&sset,NULL); -} |