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-rw-r--r--pretty-printers/test-condvar-attributes.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/pretty-printers/test-condvar-attributes.c b/pretty-printers/test-condvar-attributes.c
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+/* Helper program for testing the pthread_cond_t and pthread_condattr_t
+   pretty printers.
+
+   Copyright (C) 2016 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/>.  */
+
+/* Keep the calls to the pthread_* functions on separate lines to make it easy
+   to advance through the program using the gdb 'next' command.  */
+
+#include <time.h>
+#include <pthread.h>
+
+#define PASS 0
+#define FAIL 1
+
+static int condvar_reinit (pthread_cond_t *condvar,
+			   const pthread_condattr_t *attr);
+static int test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr);
+static int test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr);
+
+/* Need these so we don't have lines longer than 79 chars.  */
+#define SET_SHARED(attr, shared) pthread_condattr_setpshared (attr, shared)
+
+int
+main (void)
+{
+  pthread_cond_t condvar;
+  pthread_condattr_t attr;
+  int result = FAIL;
+
+  if (pthread_condattr_init (&attr) == 0
+      && pthread_cond_init (&condvar, NULL) == 0
+      && test_setclock (&condvar, &attr) == PASS
+      && test_setpshared (&condvar, &attr) == PASS)
+    result = PASS;
+  /* Else, one of the pthread_cond* functions failed.  */
+
+  return result;
+}
+
+/* Destroys CONDVAR and re-initializes it using ATTR.  */
+static int
+condvar_reinit (pthread_cond_t *condvar, const pthread_condattr_t *attr)
+{
+  int result = FAIL;
+
+  if (pthread_cond_destroy (condvar) == 0
+      && pthread_cond_init (condvar, attr) == 0)
+    result = PASS;
+
+  return result;
+}
+
+/* Tests setting the clock ID attribute.  */
+static int
+test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr)
+{
+  int result = FAIL;
+
+  if (pthread_condattr_setclock (attr, CLOCK_REALTIME) == 0 /* Set clock.  */
+      && condvar_reinit (condvar, attr) == PASS)
+    result = PASS;
+
+  return result;
+}
+
+/* Tests setting whether the condvar can be shared between processes.  */
+static int
+test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr)
+{
+  int result = FAIL;
+
+  if (SET_SHARED (attr, PTHREAD_PROCESS_SHARED) == 0 /* Set shared.  */
+      && condvar_reinit (condvar, attr) == PASS
+      && SET_SHARED (attr, PTHREAD_PROCESS_PRIVATE) == 0
+      && condvar_reinit (condvar, attr) == PASS)
+    result = PASS;
+
+  return result;
+}