blob: c9c1e681dc0ed14a89ab0733207b62de787d18e7 (
plain)
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
|
//===-- main.c --------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
void shared_check();
// On some OS's (darwin) you must actually access a thread local variable
// before you can read it
int
touch_shared();
// Create some TLS storage within the static executable.
__thread int var_static = 44;
void *fn_static(void *param)
{
var_static *= 2;
shared_check();
usleep(1); // thread breakpoint
for(;;)
usleep(1);
}
int main (int argc, char const *argv[])
{
pthread_t handle;
pthread_create(&handle, NULL, &fn_static, NULL);
touch_shared();
for (; var_static;)
{
usleep(1); // main breakpoint
}
return 0;
}
|
