1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | /* Test whether pthread_create/pthread_join with user defined stacks |
19 | doesn't leak memory. |
20 | NOTE: this tests functionality beyond POSIX. In POSIX user defined |
21 | stacks cannot be ever freed once used by pthread_create nor they can |
22 | be reused for other thread. */ |
23 | |
24 | #include <limits.h> |
25 | #include <mcheck.h> |
26 | #include <pthread.h> |
27 | #include <stdlib.h> |
28 | #include <stdio.h> |
29 | #include <string.h> |
30 | #include <unistd.h> |
31 | |
32 | static int seen; |
33 | |
34 | static void * |
35 | tf (void *p) |
36 | { |
37 | ++seen; |
38 | return NULL; |
39 | } |
40 | |
41 | static int |
42 | do_test (void) |
43 | { |
44 | mtrace (); |
45 | |
46 | void *stack; |
47 | int res = posix_memalign (memptr: &stack, alignment: getpagesize (), size: 4 * PTHREAD_STACK_MIN); |
48 | if (res) |
49 | { |
50 | printf (format: "malloc failed %s\n" , strerror (errnum: res)); |
51 | return 1; |
52 | } |
53 | |
54 | pthread_attr_t attr; |
55 | pthread_attr_init (attr: &attr); |
56 | |
57 | int result = 0; |
58 | res = pthread_attr_setstack (attr: &attr, stackaddr: stack, stacksize: 4 * PTHREAD_STACK_MIN); |
59 | if (res) |
60 | { |
61 | printf (format: "pthread_attr_setstack failed %d\n" , res); |
62 | result = 1; |
63 | } |
64 | |
65 | for (int i = 0; i < 16; ++i) |
66 | { |
67 | /* Create the thread. */ |
68 | pthread_t th; |
69 | res = pthread_create (newthread: &th, attr: &attr, start_routine: tf, NULL); |
70 | if (res) |
71 | { |
72 | printf (format: "pthread_create failed %d\n" , res); |
73 | result = 1; |
74 | } |
75 | else |
76 | { |
77 | res = pthread_join (th: th, NULL); |
78 | if (res) |
79 | { |
80 | printf (format: "pthread_join failed %d\n" , res); |
81 | result = 1; |
82 | } |
83 | } |
84 | } |
85 | |
86 | pthread_attr_destroy (attr: &attr); |
87 | |
88 | if (seen != 16) |
89 | { |
90 | printf (format: "seen %d != 16\n" , seen); |
91 | result = 1; |
92 | } |
93 | |
94 | free (ptr: stack); |
95 | return result; |
96 | } |
97 | |
98 | #define TEST_FUNCTION do_test () |
99 | #include "../test-skeleton.c" |
100 | |