2.5-18.1

1 files changed, 113 insertions, 0 deletions

diff --git a/nptl/tst-cancel24.cc b/nptl/tst-cancel24.cc
new file mode 100644
index 0000000000..1af709a8ca
--- /dev/null
+++ b/nptl/tst-cancel24.cc
@@ -0,0 +1,113 @@
+#include <pthread.h>
+#include <semaphore.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+static volatile bool destr_called;
+static volatile bool except_caught;
+
+static pthread_barrier_t b;
+
+
+struct monitor
+{
+  // gcc is broken and would generate a warning without this dummy
+  // constructor.
+  monitor () { }
+  ~monitor() { destr_called = true; }
+};
+
+
+static void *
+tf (void *arg)
+{
+  sem_t *s = static_cast<sem_t *> (arg);
+
+  try
+    {
+      monitor m;
+
+      pthread_barrier_wait (&b);
+
+      while (1)
+      sem_wait (s);
+    }
+  catch (...)
+    {
+      except_caught = true;
+      throw;
+    }
+
+  return NULL;
+}
+
+
+static int
+do_test ()
+{
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      return 1;
+    }
+
+  sem_t s;
+  if (sem_init (&s, 0, 0) != 0)
+    {
+      puts ("sem_init failed");
+      return 1;
+    }
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, &s) != 0)
+    {
+      puts ("pthread_create failed");
+      return 1;
+    }
+
+  pthread_barrier_wait (&b);
+
+  /* There is unfortunately no better method to try to assure the
+     child thread reached the sem_wait call and is actually waiting
+     than to sleep here.  */
+  sleep (1);
+
+  if (pthread_cancel (th) != 0)
+    {
+      puts ("cancel failed");
+      return 1;
+    }
+
+  void *res;
+  if (pthread_join (th, &res) != 0)
+    {
+      puts ("join failed");
+      return 1;
+    }
+
+  if (res != PTHREAD_CANCELED)
+    {
+      puts ("thread was not canceled");
+      return 1;
+    }
+
+  if (! except_caught)
+    {
+      puts ("exception not caught");
+      return 1;
+    }
+
+  if (! destr_called)
+    {
+      puts ("destructor not called");
+      return 1;
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 3
+#include "../test-skeleton.c"