1 files changed, 35 insertions, 0 deletions
diff --git a/test/pthread/ex1.c b/test/pthread/ex1.c
new file mode 100644
index 0000000..4d9de03
--- /dev/null
+++ b/test/pthread/ex1.c
@@ -0,0 +1,35 @@
+/* Creates two threads, one printing 10000 "a"s, the other printing
+   10000 "b"s.
+   Illustrates: thread creation, thread joining. */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "pthread.h"
+
+static void *process(void * arg)
+{
+	int i;
+	printf("Starting process %s\n", (char *)arg);
+	for (i = 0; i < 10000; i++)
+		write(1, (char *) arg, 1);
+	return NULL;
+}
+
+#define sucfail(r) (r != 0 ? "failed" : "succeeded")
+int main(void)
+{
+	int pret, ret = 0;
+	pthread_t th_a, th_b;
+	void *retval;
+
+	ret += (pret = pthread_create(&th_a, NULL, process, (void *)"a"));
+	printf("create a %s %d\n", sucfail(pret), pret);
+	ret += (pret = pthread_create(&th_b, NULL, process, (void *)"b"));
+	printf("create b %s %d\n", sucfail(pret), pret);
+	ret += (pret = pthread_join(th_a, &retval));
+	printf("join a %s %d\n", sucfail(pret), pret);
+	ret += (pret = pthread_join(th_b, &retval));
+	printf("join b %s %d\n", sucfail(pret), pret);
+	return ret;
+}