Add threadspawn

Makefile

@@ -11,6 +11,7 @@ processes: $(processes)
 threads: $(threads)
 
 posix_semaphore1_processes_FLAGS+=-lpthread
+threadspawn1_processes_FLAGS+=-lpthread
 
 $(processes): %_processes: tests/%.o main.c
 	$(CC) $(CFLAGS) main.c $< $($@_FLAGS) $(LDFLAGS) -o $@

tests/threadspawn1.c

@@ -0,0 +1,23 @@
+#include <assert.h>
+#include <pthread.h>
+
+char *testcase_description = "Thread creation and teardown";
+
+static void *worker(void *arg)
+{
+	return (NULL);
+}
+
+void testcase(unsigned long long *iterations, unsigned long nr)
+{
+	pthread_t thread;
+	int error;
+
+	while (1) {
+		error = pthread_create(&thread, NULL, worker, NULL);
+		assert(error == 0);
+		error = pthread_join(thread, NULL);
+		assert(error == 0);
+		(*iterations)++;
+	}
+}