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
| // Test that thread local data is handled correctly after forking without
// exec(). In this test leak checking is initiated from a non-main thread.
// RUN: %clangxx_lsan %s -o %t
// RUN: %run %t 2>&1
#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
__thread void *thread_local_var;
void *exit_thread_func(void *arg) {
exit(0);
}
void ExitFromThread() {
pthread_t tid;
int res;
res = pthread_create(&tid, 0, exit_thread_func, 0);
assert(res == 0);
pthread_join(tid, 0);
}
int main() {
int status = 0;
thread_local_var = malloc(1337);
pid_t pid = fork();
assert(pid >= 0);
if (pid > 0) {
waitpid(pid, &status, 0);
assert(WIFEXITED(status));
return WEXITSTATUS(status);
} else {
// Spawn a thread and call exit() from there, to check that we track main
// thread's pid correctly even if leak checking is initiated from another
// thread.
ExitFromThread();
}
return 0;
}
|