You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
815 B
50 lines
815 B
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
|
|
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <setjmp.h>
|
|
|
|
void bar(jmp_buf env) {
|
|
volatile int x = 42;
|
|
longjmp(env, 42);
|
|
x++;
|
|
}
|
|
|
|
void foo(jmp_buf env) {
|
|
volatile int x = 42;
|
|
bar(env);
|
|
x++;
|
|
}
|
|
|
|
void badguy() {
|
|
pthread_mutex_t mtx;
|
|
pthread_mutex_init(&mtx, 0);
|
|
pthread_mutex_lock(&mtx);
|
|
pthread_mutex_destroy(&mtx);
|
|
}
|
|
|
|
void mymain() {
|
|
jmp_buf env;
|
|
if (setjmp(env) == 42) {
|
|
badguy();
|
|
return;
|
|
}
|
|
foo(env);
|
|
fprintf(stderr, "FAILED\n");
|
|
}
|
|
|
|
int main() {
|
|
volatile int x = 42;
|
|
mymain();
|
|
return x;
|
|
}
|
|
|
|
// CHECK-NOT: FAILED
|
|
// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
|
|
// CHECK: #0 pthread_mutex_destroy
|
|
// CHECK: #1 badguy
|
|
// CHECK: #2 mymain
|
|
// CHECK: #3 main
|
|
|