1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#include "test/jemalloc_test.h"
#ifndef _WIN32
#include <sys/wait.h>
#endif
TEST_BEGIN(test_fork) {
#ifndef _WIN32
void *p;
pid_t pid;
/* Set up a manually managed arena for test. */
unsigned arena_ind;
size_t sz = sizeof(unsigned);
assert_d_eq(mallctl("arenas.create", (void *)&arena_ind, &sz, NULL, 0),
0, "Unexpected mallctl() failure");
/* Migrate to the new arena. */
unsigned old_arena_ind;
sz = sizeof(old_arena_ind);
assert_d_eq(mallctl("thread.arena", (void *)&old_arena_ind, &sz,
(void *)&arena_ind, sizeof(arena_ind)), 0,
"Unexpected mallctl() failure");
p = malloc(1);
assert_ptr_not_null(p, "Unexpected malloc() failure");
pid = fork();
free(p);
p = malloc(64);
assert_ptr_not_null(p, "Unexpected malloc() failure");
free(p);
if (pid == -1) {
/* Error. */
test_fail("Unexpected fork() failure");
} else if (pid == 0) {
/* Child. */
_exit(0);
} else {
int status;
/* Parent. */
while (true) {
if (waitpid(pid, &status, 0) == -1) {
test_fail("Unexpected waitpid() failure");
}
if (WIFSIGNALED(status)) {
test_fail("Unexpected child termination due to "
"signal %d", WTERMSIG(status));
break;
}
if (WIFEXITED(status)) {
if (WEXITSTATUS(status) != 0) {
test_fail(
"Unexpected child exit value %d",
WEXITSTATUS(status));
}
break;
}
}
}
#else
test_skip("fork(2) is irrelevant to Windows");
#endif
}
TEST_END
int
main(void) {
return test(
test_fork);
}
|
