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 <pthread.h> |
19 | #include <stdio.h> |
20 | #include <stdlib.h> |
21 | #include <time.h> |
22 | |
23 | |
24 | #define N 100 |
25 | |
26 | static pthread_once_t once = PTHREAD_ONCE_INIT; |
27 | |
28 | static int global; |
29 | |
30 | static void |
31 | once_handler (void) |
32 | { |
33 | struct timespec ts; |
34 | |
35 | ++global; |
36 | |
37 | ts.tv_sec = 2; |
38 | ts.tv_nsec = 0; |
39 | nanosleep (requested_time: &ts, NULL); |
40 | } |
41 | |
42 | |
43 | static void * |
44 | tf (void *arg) |
45 | { |
46 | pthread_once (once_control: &once, init_routine: once_handler); |
47 | |
48 | if (global != 1) |
49 | { |
50 | printf (format: "thread %ld: global == %d\n" , (long int) arg, global); |
51 | exit (1); |
52 | } |
53 | |
54 | return NULL; |
55 | } |
56 | |
57 | |
58 | static int |
59 | do_test (void) |
60 | { |
61 | pthread_attr_t at; |
62 | pthread_t th[N]; |
63 | int cnt; |
64 | |
65 | if (pthread_attr_init (attr: &at) != 0) |
66 | { |
67 | puts (s: "attr_init failed" ); |
68 | return 1; |
69 | } |
70 | |
71 | if (pthread_attr_setstacksize (attr: &at, stacksize: 1 * 1024 * 1024) != 0) |
72 | { |
73 | puts (s: "attr_setstacksize failed" ); |
74 | return 1; |
75 | } |
76 | |
77 | for (cnt = 0; cnt < N; ++cnt) |
78 | if (pthread_create (newthread: &th[cnt], attr: &at, start_routine: tf, arg: (void *) (long int) cnt) != 0) |
79 | { |
80 | printf (format: "creation of thread %d failed\n" , cnt); |
81 | return 1; |
82 | } |
83 | |
84 | if (pthread_attr_destroy (attr: &at) != 0) |
85 | { |
86 | puts (s: "attr_destroy failed" ); |
87 | return 1; |
88 | } |
89 | |
90 | for (cnt = 0; cnt < N; ++cnt) |
91 | if (pthread_join (th: th[cnt], NULL) != 0) |
92 | { |
93 | printf (format: "join of thread %d failed\n" , cnt); |
94 | return 1; |
95 | } |
96 | |
97 | return 0; |
98 | } |
99 | |
100 | #define TEST_FUNCTION do_test () |
101 | #include "../test-skeleton.c" |
102 | |