1 /*
2  * Copyright (c) 2002, Intel Corporation. All rights reserved.
3  * This file is licensed under the GPL license.  For the full content
4  * of this license, see the COPYING file at the top level of this
5  * source tree.
6  *
7  * The munmap() function shall fail if:
8  * [EINVAL] Addresses in the range [addr,addr+len)
9  * are outside the valid range for the
10  * address space of a process.
11  *
12  */
13 
14 
15 #include <pthread.h>
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <unistd.h>
19 #include <sys/mman.h>
20 #include <sys/types.h>
21 #include <sys/stat.h>
22 #include <sys/wait.h>
23 #include <fcntl.h>
24 #include <string.h>
25 #include <errno.h>
26 #include "posixtest.h"
27 
28 #define TNAME "munmap/8-1.c"
29 
main(void)30 int main(void)
31 {
32 	int rc;
33 	void *pa;
34 
35 	/* -1 should be an invalid address */
36 	pa = (void *)-1;
37 	rc = munmap(pa, 1);
38 	if (rc == -1 && errno == EINVAL) {
39 		printf("Got EINVAL\n");
40 		printf("Test PASSED\n");
41 		exit(PTS_PASS);
42 	} else {
43 		printf("Test FAILED: Expect EINVAL but get: %s\n",
44 		       strerror(errno));
45 		return PTS_FAIL;
46 	}
47 }
48