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-rw-r--r--htl/tests/test-10.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/htl/tests/test-10.c b/htl/tests/test-10.c
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+/* Test error checking mutexes.
+ Copyright (C) 2000-2018 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
+ <http://www.gnu.org/licenses/>. */
+
+#define _GNU_SOURCE
+
+#include <pthread.h>
+#include <assert.h>
+#include <error.h>
+#include <errno.h>
+
+int
+main (int argc, char **argv)
+{
+ error_t err;
+ pthread_mutexattr_t mattr;
+ pthread_mutex_t mutex;
+
+ err = pthread_mutexattr_init (&mattr);
+ if (err)
+ error (1, err, "pthread_mutexattr_init");
+
+ err = pthread_mutexattr_settype (&mattr, PTHREAD_MUTEX_ERRORCHECK);
+ if (err)
+ error (1, err, "pthread_mutexattr_settype");
+
+ err = pthread_mutex_init (&mutex, &mattr);
+ if (err)
+ error (1, err, "pthread_mutex_init");
+
+ err = pthread_mutexattr_destroy (&mattr);
+ if (err)
+ error (1, err, "pthread_mutexattr_destroy");
+
+ err = pthread_mutex_lock (&mutex);
+ assert (err == 0);
+
+ err = pthread_mutex_lock (&mutex);
+ assert (err == EDEADLK);
+
+ err = pthread_mutex_unlock (&mutex);
+ assert (err == 0);
+
+ err = pthread_mutex_unlock (&mutex);
+ assert (err == EPERM);
+
+ return 0;
+}