1 | /* Copyright (C) 2002-2024 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 | #include <limits.h> |
19 | #include <pthread.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <sys/param.h> |
23 | #include <unistd.h> |
24 | |
25 | |
26 | static void *stack; |
27 | static size_t size; |
28 | |
29 | |
30 | static void * |
31 | tf (void *a) |
32 | { |
33 | int result = 0; |
34 | |
35 | puts (s: "child start" ); |
36 | |
37 | pthread_attr_t attr; |
38 | if (pthread_getattr_np (th: pthread_self (), attr: &attr) != 0) |
39 | { |
40 | puts (s: "getattr_np failed" ); |
41 | exit (1); |
42 | } |
43 | |
44 | size_t test_size; |
45 | void *test_stack; |
46 | if (pthread_attr_getstack (attr: &attr, stackaddr: &test_stack, stacksize: &test_size) != 0) |
47 | { |
48 | puts (s: "attr_getstack failed" ); |
49 | exit (1); |
50 | } |
51 | |
52 | if (test_size != size) |
53 | { |
54 | printf (format: "child: reported size differs: is %zu, expected %zu\n" , |
55 | test_size, size); |
56 | result = 1; |
57 | } |
58 | |
59 | if (test_stack != stack) |
60 | { |
61 | printf (format: "child: reported stack address differs: is %p, expected %p\n" , |
62 | test_stack, stack); |
63 | result = 1; |
64 | } |
65 | |
66 | puts (s: "child OK" ); |
67 | |
68 | return result ? (void *) 1l : NULL; |
69 | } |
70 | |
71 | |
72 | int |
73 | do_test (void) |
74 | { |
75 | int result = 0; |
76 | |
77 | size = 4 * getpagesize (); |
78 | #ifdef PTHREAD_STACK_MIN |
79 | size = MAX (size, PTHREAD_STACK_MIN); |
80 | #endif |
81 | if (posix_memalign (memptr: &stack, alignment: getpagesize (), size: size) != 0) |
82 | { |
83 | puts (s: "out of memory while allocating the stack memory" ); |
84 | exit (1); |
85 | } |
86 | |
87 | pthread_attr_t attr; |
88 | if (pthread_attr_init (attr: &attr) != 0) |
89 | { |
90 | puts (s: "attr_init failed" ); |
91 | exit (1); |
92 | } |
93 | |
94 | puts (s: "attr_setstack" ); |
95 | if (pthread_attr_setstack (attr: &attr, stackaddr: stack, stacksize: size) != 0) |
96 | { |
97 | puts (s: "attr_setstack failed" ); |
98 | exit (1); |
99 | } |
100 | |
101 | size_t test_size; |
102 | void *test_stack; |
103 | puts (s: "attr_getstack" ); |
104 | if (pthread_attr_getstack (attr: &attr, stackaddr: &test_stack, stacksize: &test_size) != 0) |
105 | { |
106 | puts (s: "attr_getstack failed" ); |
107 | exit (1); |
108 | } |
109 | |
110 | if (test_size != size) |
111 | { |
112 | printf (format: "reported size differs: is %zu, expected %zu\n" , |
113 | test_size, size); |
114 | result = 1; |
115 | } |
116 | |
117 | if (test_stack != stack) |
118 | { |
119 | printf (format: "reported stack address differs: is %p, expected %p\n" , |
120 | test_stack, stack); |
121 | result = 1; |
122 | } |
123 | |
124 | puts (s: "create" ); |
125 | |
126 | pthread_t th; |
127 | if (pthread_create (newthread: &th, attr: &attr, start_routine: tf, NULL) != 0) |
128 | { |
129 | puts (s: "failed to create thread" ); |
130 | exit (1); |
131 | } |
132 | |
133 | void *status; |
134 | if (pthread_join (th: th, thread_return: &status) != 0) |
135 | { |
136 | puts (s: "join failed" ); |
137 | exit (1); |
138 | } |
139 | |
140 | result |= status != NULL; |
141 | |
142 | return result; |
143 | } |
144 | |
145 | |
146 | #define TEST_FUNCTION do_test () |
147 | #include "../test-skeleton.c" |
148 | |