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6d7e8eda | 1 | /* Copyright (C) 2002-2023 Free Software Foundation, Inc. |
76a50749 | 2 | This file is part of the GNU C Library. |
76a50749 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
76a50749 | 17 | |
dfdd294a | 18 | #include <errno.h> |
76a50749 UD |
19 | #include <pthread.h> |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <unistd.h> | |
dfdd294a | 23 | #include <sys/wait.h> |
76a50749 UD |
24 | |
25 | ||
26 | static int val; | |
27 | ||
28 | ||
29 | static void | |
30 | prepare1 (void) | |
31 | { | |
32 | val *= 2; | |
33 | } | |
34 | ||
35 | static void | |
36 | prepare2 (void) | |
37 | { | |
38 | ++val; | |
39 | } | |
40 | ||
41 | static void | |
42 | parent1 (void) | |
43 | { | |
44 | val += 4; | |
45 | } | |
46 | ||
47 | static void | |
48 | parent2 (void) | |
49 | { | |
50 | val *= 4; | |
51 | } | |
52 | ||
53 | static void | |
54 | child1 (void) | |
55 | { | |
56 | val += 8; | |
57 | } | |
58 | ||
59 | static void | |
60 | child2 (void) | |
61 | { | |
62 | val *= 8; | |
63 | } | |
64 | ||
65 | ||
66 | static int | |
67 | do_test (void) | |
68 | { | |
69 | pid_t pid; | |
dfdd294a | 70 | int status = 0; |
76a50749 UD |
71 | |
72 | if (pthread_atfork (prepare1, parent1, child1) != 0) | |
73 | { | |
74 | puts ("1st atfork failed"); | |
75 | exit (1); | |
76 | } | |
77 | if (pthread_atfork (prepare2, parent2, child2) != 0) | |
78 | { | |
79 | puts ("2nd atfork failed"); | |
80 | exit (1); | |
81 | } | |
82 | ||
83 | pid = fork (); | |
84 | if (pid == -1) | |
85 | { | |
86 | puts ("fork failed"); | |
87 | exit (1); | |
88 | } | |
89 | ||
90 | if (pid != 0) | |
91 | { | |
92 | /* Parent. */ | |
93 | if (val != 24) | |
94 | { | |
95 | printf ("expected val=%d, got %d\n", 24, val); | |
96 | exit (1); | |
97 | } | |
dfdd294a UD |
98 | |
99 | if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid) | |
100 | { | |
101 | puts ("waitpid failed"); | |
102 | exit (1); | |
103 | } | |
76a50749 UD |
104 | } |
105 | else | |
106 | { | |
107 | /* Child. */ | |
108 | if (val != 80) | |
109 | { | |
110 | printf ("expected val=%d, got %d\n", 80, val); | |
dfdd294a | 111 | exit (2); |
76a50749 UD |
112 | } |
113 | } | |
114 | ||
dfdd294a | 115 | return status; |
76a50749 UD |
116 | } |
117 | ||
118 | #define TEST_FUNCTION do_test () | |
119 | #include "../test-skeleton.c" |