From ae33b348afa800447db9344cf6e5d082f1a1fcb3 Mon Sep 17 00:00:00 2001 From: Warren Dukes Date: Sun, 11 Apr 2004 23:07:43 +0000 Subject: clean up signal handling using a polling method, from the genius that is mackstann git-svn-id: https://svn.musicpd.org/mpd/trunk@697 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/signal_check.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/signal_check.c (limited to 'src/signal_check.c') diff --git a/src/signal_check.c b/src/signal_check.c new file mode 100644 index 000000000..3926ae7b0 --- /dev/null +++ b/src/signal_check.c @@ -0,0 +1,38 @@ +#include "signal_check.h" + +volatile sig_atomic_t __caught_signals[NSIG]; + +static void __signal_handler(int sig) +{ + __caught_signals[sig] = 1; +} + +static void __set_signal_handler(int sig, void (* handler)(int)) +{ + struct sigaction act; + act.sa_flags = 0; + act.sa_handler = handler; + sigaction(sig, &act, 0); +} + +void signal_handle(int sig) +{ + __set_signal_handler(sig, __signal_handler); +} + +void signal_unhandle(int sig) +{ + signal_clear(sig); + __set_signal_handler(sig, SIG_DFL); +} + +int signal_is_pending(int sig) +{ + return __caught_signals[sig]; +} + +void signal_clear(int sig) +{ + __caught_signals[sig] = 0; +} + -- cgit v1.2.3