[BZ #3124]

2006-09-05  Ulrich Drepper  <drepper@redhat.com>
	[BZ #3124]
	* descr.h (struct pthread): Add parent_cancelhandling.
	* sysdeps/pthread/createthread.c (create_thread): Pass parent
	cancelhandling value to child.
	* pthread_create.c (start_thread): If parent thread was canceled
	reset the SIGCANCEL mask.
	* Makefile (tests): Add tst-cancel25.
	* tst-cancel25.c: New file.

1 files changed, 171 insertions, 0 deletions

diff --git a/nptl/tst-cancel25.c b/nptl/tst-cancel25.c
new file mode 100644
index 0000000..00b99ad
--- /dev/null
+++ b/nptl/tst-cancel25.c
@@ -0,0 +1,171 @@
+#include <pthreadP.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_barrier_t b;
+static pthread_t th2;
+
+
+static void *
+tf2 (void *arg)
+{
+  sigset_t mask;
+  if (pthread_sigmask (SIG_SETMASK, NULL, &mask) != 0)
+    {
+      puts ("pthread_sigmask failed");
+      exit (1);
+    }
+  if (sigismember (&mask, SIGCANCEL))
+    {
+      puts ("SIGCANCEL blocked in new thread");
+      exit (1);
+    }
+
+  /* Sync with the main thread so that we do not test anything else.  */
+  int e = pthread_barrier_wait (&b);
+  if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      exit (1);
+    }
+
+  while (1)
+    {
+      /* Just a cancelable call.  */
+      struct timespec ts = { 10000, 0 };
+      nanosleep (&ts, 0);
+    }
+
+  return NULL;
+}
+
+
+static void
+unwhand (void *arg)
+{
+  if (pthread_create (&th2, NULL, tf2, NULL) != 0)
+    {
+      puts ("unwhand: create failed");
+      exit (1);
+    }
+}
+
+
+static void *
+tf (void *arg)
+{
+  pthread_cleanup_push (unwhand, NULL);
+
+  /* Sync with the main thread so that we do not test anything else.  */
+  int e = pthread_barrier_wait (&b);
+  if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      exit (1);
+    }
+
+  while (1)
+    {
+      /* Just a cancelable call.  */
+      struct timespec ts = { 10000, 0 };
+      nanosleep (&ts, 0);
+    }
+
+  pthread_cleanup_pop (0);
+
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      return 1;
+    }
+
+  pthread_t th1;
+  if (pthread_create (&th1, NULL, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      return 1;
+    }
+
+  int e = pthread_barrier_wait (&b);
+  if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      return 1;
+    }
+
+  /* Make sure tf1 enters nanosleep.  */
+  struct timespec ts = { 0, 500000000 };
+  while (nanosleep (&ts, &ts) != 0)
+    ;
+
+  if (pthread_cancel (th1) != 0)
+    {
+      puts ("1st cancel failed");
+      return 1;
+    }
+
+  void *res;
+  if (pthread_join (th1, &res) != 0)
+    {
+      puts ("1st join failed");
+      return 1;
+    }
+  if (res != PTHREAD_CANCELED)
+    {
+      puts ("1st thread not canceled");
+      return 1;
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      return 1;
+    }
+
+  /* Make sure tf2 enters nanosleep.  */
+  ts.tv_sec = 0;
+  ts.tv_nsec = 500000000;
+  while (nanosleep (&ts, &ts) != 0)
+    ;
+
+  puts ("calling pthread_cancel the second time");
+  if (pthread_cancel (th2) != 0)
+    {
+      puts ("2nd cancel failed");
+      return 1;
+    }
+
+  puts ("calling pthread_join the second time");
+  if (pthread_join (th2, &res) != 0)
+    {
+      puts ("2nd join failed");
+      return 1;
+    }
+  if (res != PTHREAD_CANCELED)
+    {
+      puts ("2nd thread not canceled");
+      return 1;
+    }
+
+  if (pthread_barrier_destroy (&b) != 0)
+    {
+      puts ("barrier_destroy failed");
+      return 0;
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 4
+#include "../test-skeleton.c"