1 files changed, 42 insertions, 0 deletions
diff --git a/linuxthreads/Examples/ex1.c b/linuxthreads/Examples/ex1.c
new file mode 100644
index 0000000000..29138cf761
--- /dev/null
+++ b/linuxthreads/Examples/ex1.c
@@ -0,0 +1,42 @@
+/* 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;
+  fprintf (stderr, "Starting process %s\n", (char *) arg);
+  for (i = 0; i < 10000; i++)
+    {
+      write (1, (char *) arg, 1);
+    }
+  return NULL;
+}
+
+int
+main (void)
+{
+  int retcode;
+  pthread_t th_a, th_b;
+  void *retval;
+
+  retcode = pthread_create (&th_a, NULL, process, (void *) "a");
+  if (retcode != 0)
+    fprintf (stderr, "create a failed %d\n", retcode);
+  retcode = pthread_create (&th_b, NULL, process, (void *) "b");
+  if (retcode != 0)
+    fprintf (stderr, "create b failed %d\n", retcode);
+  retcode = pthread_join (th_a, &retval);
+  if (retcode != 0)
+    fprintf (stderr, "join a failed %d\n", retcode);
+  retcode = pthread_join (th_b, &retval);
+  if (retcode != 0)
+    fprintf (stderr, "join b failed %d\n", retcode);
+  return 0;
+}