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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19/* Test whether pthread_create/pthread_join with user defined stacks
20 doesn't leak memory.
21 NOTE: this tests functionality beyond POSIX. In POSIX user defined
22 stacks cannot be ever freed once used by pthread_create nor they can
23 be reused for other thread. */
24
25#include <limits.h>
26#include <mcheck.h>
27#include <pthread.h>
28#include <stdlib.h>
29#include <stdio.h>
30#include <string.h>
31#include <unistd.h>
32
33static int seen;
34
35static void *
36tf (void *p)
37{
38 ++seen;
39 return NULL;
40}
41
42static int
43do_test (void)
44{
45 mtrace ();
46
47 void *stack;
48 int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN);
49 if (res)
50 {
51 printf ("malloc failed %s\n", strerror (res));
52 return 1;
53 }
54
55 pthread_attr_t attr;
56 pthread_attr_init (&attr);
57
58 int result = 0;
59 res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN);
60 if (res)
61 {
62 printf ("pthread_attr_setstack failed %d\n", res);
63 result = 1;
64 }
65
66 for (int i = 0; i < 16; ++i)
67 {
68 /* Create the thread. */
69 pthread_t th;
70 res = pthread_create (&th, &attr, tf, NULL);
71 if (res)
72 {
73 printf ("pthread_create failed %d\n", res);
74 result = 1;
75 }
76 else
77 {
78 res = pthread_join (th, NULL);
79 if (res)
80 {
81 printf ("pthread_join failed %d\n", res);
82 result = 1;
83 }
84 }
85 }
86
87 pthread_attr_destroy (&attr);
88
89 if (seen != 16)
90 {
91 printf ("seen %d != 16\n", seen);
92 result = 1;
93 }
94
95 free (stack);
96 return result;
97}
98
99#define TEST_FUNCTION do_test ()
100#include "../test-skeleton.c"
101

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