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1#include <errno.h>
2#include <pthread.h>
3#include <stdio.h>
4#include <stdlib.h>
5#include <unistd.h>
6#include <sys/wait.h>
7
8#define NKEYS 100
9static pthread_key_t keys[NKEYS];
10static pthread_barrier_t b;
11
12
13static void *
14tf (void *arg)
15{
16 void *res = NULL;
17 for (int i = 0; i < NKEYS; ++i)
18 {
19 void *p = pthread_getspecific (keys[i]);
20 pthread_setspecific (keys[i], (void *) 7);
21 if (p != NULL)
22 res = p;
23 }
24 if (arg != NULL)
25 {
26 pthread_barrier_wait (arg);
27 pthread_barrier_wait (arg);
28 }
29 return res;
30}
31
32
33static int
34do_test (void)
35{
36 pthread_barrier_init (&b, NULL, 2);
37
38 for (int i = 0; i < NKEYS; ++i)
39 if (pthread_key_create (&keys[i], NULL) != 0)
40 {
41 puts ("cannot create keys");
42 return 1;
43 }
44
45 pthread_t th;
46 if (pthread_create (&th, NULL, tf, &b) != 0)
47 {
48 puts ("cannot create thread in parent");
49 return 1;
50 }
51
52 pthread_barrier_wait (&b);
53
54 pid_t pid = fork ();
55 if (pid == 0)
56 {
57 if (pthread_create (&th, NULL, tf, NULL) != 0)
58 {
59 puts ("cannot create thread in child");
60 exit (1);
61 }
62
63 void *res;
64 pthread_join (th, &res);
65
66 exit (res != NULL);
67 }
68 else if (pid == -1)
69 {
70 puts ("cannot create child process");
71 return 1;
72 }
73
74 int s;
75 if (TEMP_FAILURE_RETRY (waitpid (pid, &s, 0)) != pid)
76 {
77 puts ("failing to wait for child process");
78 return 1;
79 }
80
81 pthread_barrier_wait (&b);
82 pthread_join (th, NULL);
83
84 return !WIFEXITED (s) ? 2 : WEXITSTATUS (s);
85}
86
87
88#define TEST_FUNCTION do_test ()
89#include "../test-skeleton.c"
90

Warning: That file was not part of the compilation database. It may have many parsing errors.