/* Helper program for testing the pthread_cond_t and pthread_condattr_t

   pretty printers.

   Copyright (C) 2016-2018 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/>.  */

/* 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.  */

__attribute__ ((noinline))

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;

}