1 files changed, 39 insertions, 0 deletions
diff --git a/helgrind/tests/tc02_simple_tls.c b/helgrind/tests/tc02_simple_tls.c
new file mode 100644
index 0000000..a23b14c
--- /dev/null
+++ b/helgrind/tests/tc02_simple_tls.c
@@ -0,0 +1,39 @@
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Simple test program, no race: parent only modified x after child
+   has modified it and then joined with the parent.  Tests simple
+   thread lifetime segment handling. */
+
+int x = 0;
+
+void* child_fn ( void* arg )
+{
+   /* Unprotected relative to parent, but in child's segment only */
+   x++;
+   return NULL;
+}
+
+int main ( void )
+{
+   pthread_t child;
+
+   x++; /* happens in parent's segment */
+
+   if (pthread_create(&child, NULL, child_fn, NULL)) {
+      perror("pthread_create");
+      exit(1);
+   }
+
+   if (pthread_join(child, NULL)) {
+      perror("pthread join");
+      exit(1);
+   }
+
+   /* Now back in parent's segment */
+   x++;
+
+   return 0;
+}