linux signal

libs/main/core/pibase.h

@@ -248,6 +248,10 @@
    typedef long time_t;
 #endif
 
+#ifdef POSIX_SIGNALS
+#  define PIP_INTERRUPT_SIGNAL SIGTERM
+#endif
+
 #ifdef LINUX
 #  define environ __environ
 #endif

libs/main/core/piinit.cpp

@@ -104,7 +104,8 @@ void pipInitThreadSignals() {
 	sigemptyset(&actions.sa_mask);
 	actions.sa_flags = 0;
 	actions.sa_handler = pipThreadSignalHandler;
-	sigaction(SIGUSR2, &actions, 0);
+	if (sigaction(PIP_INTERRUPT_SIGNAL, &actions, 0) != 0)
+		piCout << "sigaction error:" << errorString();
 }
 #endif
 

libs/main/thread/pithread.cpp

@@ -608,7 +608,7 @@ void PIThread::interrupt() {
 	QueueUserAPC(winThreadAPC, PRIVATE->thread, 0);
 #else
 #  ifdef POSIX_SIGNALS
-	pthread_kill(PRIVATE->thread, SIGUSR2);
+	pthread_kill(PRIVATE->thread, PIP_INTERRUPT_SIGNAL);
 #  endif
 #endif
 }