1 files changed, 90 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-kill4.c b/sysdeps/pthread/tst-kill4.c
new file mode 100644
index 0000000000..916ea14820
--- /dev/null
+++ b/sysdeps/pthread/tst-kill4.c
@@ -0,0 +1,90 @@
+/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static void *
+tf (void *a)
+{
+  return NULL;
+}
+
+
+int
+do_test (void)
+{
+  pthread_attr_t at;
+  if (pthread_attr_init (&at) != 0)
+    {
+      puts ("attr_create failed");
+      exit (1);
+    }
+
+  /* Limit thread stack size, because if it is too large, pthread_join
+     will free it immediately rather than put it into stack cache.  */
+  if (pthread_attr_setstacksize (&at, 2 * 1024 * 1024) != 0)
+    {
+      puts ("setstacksize failed");
+      exit (1);
+    }
+
+  pthread_t th;
+  if (pthread_create (&th, &at, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      exit (1);
+    }
+
+  pthread_attr_destroy (&at);
+
+  if (pthread_join (th, NULL) != 0)
+    {
+      puts ("join failed");
+      exit (1);
+    }
+
+  /* The following only works because we assume here something about
+     the implementation.  Namely, that the memory allocated for the
+     thread descriptor is not going away, that the TID field is
+     cleared and therefore the signal is sent to process 0, and that
+     we can savely assume there is no other process with this ID at
+     that time.  */
+  int e = pthread_kill (th, 0);
+  if (e == 0)
+    {
+      puts ("pthread_kill succeeded");
+      exit (1);
+    }
+  if (e != ESRCH)
+    {
+      puts ("pthread_kill didn't return ESRCH");
+      exit (1);
+    }
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"