1-1.c revision 354ebb48db8e66a853a58379a4808d5dcd1ceac3 
1/*
2 * Copyright (c) 2004, Intel Corporation. All rights reserved.
3 * Created by:  crystal.xiong REMOVE-THIS AT intel DOT com
4 * This file is licensed under the GPL license.  For the full content
5 * of this license, see the COPYING file at the top level of this
6 * source tree.
7
8 * Test pthread_attr_getstack()
9 *
10 * Steps:
11 * 1.  Initialize pthread_attr_t object (attr)
12 * 2.  set the stackaddr and stacksize to attr
13 * 3.  get the stackaddr and stacksize
14 */
15
16#include <pthread.h>
17#include <limits.h>
18#include <stdio.h>
19#include <string.h>
20#include <stdlib.h>
21#include <sys/param.h>
22#include <errno.h>
23#include <unistd.h>
24#include "posixtest.h"
25
26#define TEST "1-1"
27#define FUNCTION "pthread_attr_getstack"
28#define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": "
29
30int main()
31{
32	pthread_attr_t attr;
33	void *stack_addr;
34	size_t stack_size;
35	size_t ssize;
36	void *saddr;
37	int rc;
38
39	/* Initialize attr */
40	rc = pthread_attr_init(&attr);
41	if (rc != 0) {
42		perror(ERROR_PREFIX "pthread_attr_init");
43		exit(PTS_UNRESOLVED);
44	}
45
46	/* Get the default stack_addr and stack_size value */
47	rc = pthread_attr_getstack(&attr, &stack_addr, &stack_size);
48	if (rc != 0) {
49		perror(ERROR_PREFIX "pthread_attr_getstack");
50		exit(PTS_UNRESOLVED);
51	}
52	printf("stack_addr = %p, stack_size = %zu\n", stack_addr, stack_size);
53
54	stack_size = PTHREAD_STACK_MIN;
55
56	if (posix_memalign(&stack_addr, sysconf(_SC_PAGE_SIZE),
57			   stack_size) != 0) {
58		perror(ERROR_PREFIX "out of memory while "
59		       "allocating the stack memory");
60		exit(PTS_UNRESOLVED);
61	}
62	printf("stack_addr = %p, stack_size = %zu\n", stack_addr, stack_size);
63
64	rc = pthread_attr_setstack(&attr, stack_addr, stack_size);
65	if (rc != 0) {
66		perror(ERROR_PREFIX "pthread_attr_setstack");
67		exit(PTS_UNRESOLVED);
68	}
69
70	rc = pthread_attr_getstack(&attr, &saddr, &ssize);
71	if (rc != 0) {
72		perror(ERROR_PREFIX "pthread_attr_getstack");
73		exit(PTS_UNRESOLVED);
74	}
75	printf("saddr = %p, ssize = %zu\n", saddr, ssize);
76
77	rc = pthread_attr_destroy(&attr);
78	if (rc != 0) {
79		perror(ERROR_PREFIX "pthread_attr_destroy");
80		exit(PTS_UNRESOLVED);
81	}
82
83	printf("Test PASSED\n");
84	return PTS_PASS;
85}
86