simple segfault reproduction

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1068 ebee16cc-31ac-478f-84a7-5cbb03baadba

flight/PiOS.posix/posix/Libraries/FreeRTOS/Source/portable/GCC/Posix/corvuscorax/thread_signal_test3.c

@@ -0,0 +1,46 @@
+/**
+ * small etst program whether signals between threads work as they should
+ */
+
+#include <time.h>
+#include <pthread.h>
+#include <signal.h>
+
+
+/**
+ * actual test program
+ */
+
+void sighandler(int sig) {
+	return;
+}
+
+
+void* threadstart(void* arg) {
+struct timespec timeout;	
+int t;
+
+	while (1) {
+		timeout.tv_sec=0;
+		timeout.tv_nsec=1;
+		nanosleep(&timeout,0);
+	}
+}
+
+
+int main(char** argc, int argv) {
+
+	pthread_t testthread1;	
+	struct sigaction action;
+
+
+	action.sa_handler=sighandler;
+	action.sa_flags=0;
+	sigfillset( &action.sa_mask );
+	sigaction(SIGUSR1,&action,NULL);
+
+	pthread_create(&testthread1,NULL,threadstart,NULL);
+	while (1) {
+		pthread_kill(testthread1,SIGUSR1);
+	}
+}