1 | #include <errno.h> |
2 | #include <pthread.h> |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
5 | #include <string.h> |
6 | #include <unistd.h> |
7 | #include <sys/wait.h> |
8 | |
9 | |
10 | static pid_t pid; |
11 | |
12 | static void * |
13 | pid_thread (void *arg) |
14 | { |
15 | if (pid != getpid ()) |
16 | { |
17 | printf (format: "pid wrong in thread: should be %d, is %d\n" , |
18 | (int) pid, (int) getpid ()); |
19 | return (void *) 1L; |
20 | } |
21 | |
22 | return NULL; |
23 | } |
24 | |
25 | static int |
26 | do_test (void) |
27 | { |
28 | pid = getpid (); |
29 | |
30 | pthread_t thr; |
31 | int ret = pthread_create (newthread: &thr, NULL, start_routine: pid_thread, NULL); |
32 | if (ret) |
33 | { |
34 | printf (format: "pthread_create failed: %d\n" , ret); |
35 | return 1; |
36 | } |
37 | |
38 | void *thr_ret; |
39 | ret = pthread_join (th: thr, thread_return: &thr_ret); |
40 | if (ret) |
41 | { |
42 | printf (format: "pthread_create failed: %d\n" , ret); |
43 | return 1; |
44 | } |
45 | else if (thr_ret) |
46 | { |
47 | printf (format: "thread getpid failed\n" ); |
48 | return 1; |
49 | } |
50 | |
51 | pid_t child = fork (); |
52 | if (child == -1) |
53 | { |
54 | printf (format: "fork failed: %m\n" ); |
55 | return 1; |
56 | } |
57 | else if (child == 0) |
58 | { |
59 | if (pid == getpid ()) |
60 | { |
61 | puts (s: "pid did not change after fork" ); |
62 | exit (1); |
63 | } |
64 | |
65 | pid = getpid (); |
66 | ret = pthread_create (newthread: &thr, NULL, start_routine: pid_thread, NULL); |
67 | if (ret) |
68 | { |
69 | printf (format: "pthread_create failed: %d\n" , ret); |
70 | return 1; |
71 | } |
72 | |
73 | ret = pthread_join (th: thr, thread_return: &thr_ret); |
74 | if (ret) |
75 | { |
76 | printf (format: "pthread_create failed: %d\n" , ret); |
77 | return 1; |
78 | } |
79 | else if (thr_ret) |
80 | { |
81 | printf (format: "thread getpid failed\n" ); |
82 | return 1; |
83 | } |
84 | |
85 | return 0; |
86 | } |
87 | |
88 | int status; |
89 | if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child) |
90 | { |
91 | puts (s: "waitpid failed" ); |
92 | kill (pid: child, SIGKILL); |
93 | return 1; |
94 | } |
95 | |
96 | if (!WIFEXITED (status)) |
97 | { |
98 | if (WIFSIGNALED (status)) |
99 | printf (format: "died from signal %s\n" , strsignal (WTERMSIG (status))); |
100 | else |
101 | puts (s: "did not terminate correctly" ); |
102 | return 1; |
103 | } |
104 | if (WEXITSTATUS (status) != 0) |
105 | { |
106 | printf (format: "exit code %d\n" , WEXITSTATUS (status)); |
107 | return 1; |
108 | } |
109 | |
110 | return 0; |
111 | } |
112 | |
113 | #define TEST_FUNCTION do_test () |
114 | #include "../test-skeleton.c" |
115 | |