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-rw-r--r--sysdeps/pthread/tst-cancel26.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cancel26.c b/sysdeps/pthread/tst-cancel26.c
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--- /dev/null
+++ b/sysdeps/pthread/tst-cancel26.c
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+/* Check for failure paths handling for cancellation points.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Check that the cancel syscall points handles both the errno and return code
+   correctly for invalid arguments.  */
+static void *
+tf (void *arg)
+{
+#ifdef SET_CANCEL_DISABLE
+  pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL);
+#endif
+
+  /* This is a cancellation point, but we should not be cancelled.  */
+  int r = write (-1, 0, 0);
+
+  if (r != -1 || errno != EBADF)
+    {
+      printf ("error: write returned %d, errno %d\n", r, errno);
+      exit (1);
+    }
+
+  return NULL;
+}
+
+static int
+do_test (void)
+{
+  pthread_t th;
+
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("error: pthread_create failed");
+      exit (1);
+    }
+
+  if (pthread_join (th, NULL) != 0)
+    {
+      puts ("error: pthread_join failed");
+      exit (1);
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"