testcases/open_posix_testsuite/conformance/interfaces/pthread_barrierattr_setpshared/2-1.c

/*
 * Copyright (c) 2002, Intel Corporation. All rights reserved.
 * This file is licensed under the GPL license.  For the full content
 * of this license, see the COPYING file at the top level of this
 * source tree.
 *
 * pthread_barrierattr_setpshared()
 *
 * The pthread_barrierattr_setpshared() function may fail if:
 * [EINVAL] The new value specified for the process-shared attribute is not one of
 * the legal values PTHREAD_PROCESS_SHARED or PTHREAD_PROCESS_PRIVATE.
 * This case will always pass
 */

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "posixtest.h"

int main(void)
{

	/* Make sure there is process-shared capability. */
#ifndef PTHREAD_PROCESS_SHARED
	fprintf(stderr,
		"process-shared attribute is not available for testing\n");
	return PTS_UNSUPPORTED;
#endif

	pthread_barrierattr_t ba;
	int pshared = PTHREAD_PROCESS_PRIVATE + 1;
	int rc;

	/* Set pshared to an invalid value */
	if (pshared == PTHREAD_PROCESS_SHARED) {
		pshared += 1;
	}

	/* Initialize a barrier attributes object */
	if (pthread_barrierattr_init(&ba) != 0) {
		printf("Error at pthread_barrierattr_init()\n");
		return PTS_UNRESOLVED;
	}

	/* Set process-shared attribute to an invalid value */
	rc = pthread_barrierattr_setpshared(&ba, pshared);
	if (rc == EINVAL)
		printf("Test PASSED\n");
	else {
		printf("Get return code: %d, %s\n", rc, strerror(rc));
		printf
		    ("Test PASSED: Note*: Expected EINVAL, but standard says 'may' fail.\n");
	}

	return PTS_PASS;

}