Skip test pthread_mutex_lock/3-1.c since Emscripten does not support signals.

Author: juj

conformance/interfaces/pthread_mutex_lock/3-1.c

@@ -290,6 +290,11 @@ int main (int argc, char * argv[])
 
 	output_init();
 
+#ifdef __EMSCRIPTEN__
+	printf("Test SKIPPED: signals are not supported in Emscripten.\n");
+	exit(0);
+#endif
+
 	#ifdef WITH_SYNCHRO
 	#if VERBOSE >1
 	output("Running in synchronized mode\n");

conformance/interfaces/pthread_rwlock_rdlock/2-1.c

@@ -149,7 +149,12 @@ int main()
 	int cnt = 0;
 	pthread_t rd_thread, wr_thread;
 	int priority;
-	
+
+#ifdef __EMSCRIPTEN__
+	printf("Test SKIPPED: musl/Emscripten does not support thread priorities, so cannot test rwlocking in priority order.\n");
+	exit(0);
+#endif
+
 	/* main thread needs to have the highest priority*/
 	priority = sched_get_priority_min(TRD_POLICY) + 2;
 	set_priority(pthread_self(), TRD_POLICY, priority);

conformance/interfaces/pthread_rwlock_rdlock/2-2.c

@@ -148,6 +148,11 @@ int main()
 	int cnt = 0;
 	pthread_t rd_thread, wr_thread;
 	int priority;
+
+#ifdef __EMSCRIPTEN__
+	printf("Test SKIPPED: musl/Emscripten does not support thread priorities, so cannot test rwlocking in priority order.\n");
+	exit(0);
+#endif
 
 	/* main thread needs to have the highest priority*/
 	priority = sched_get_priority_min(TRD_POLICY) + 2;