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// RUN: %clang_tsan -O1 %s -o %t && not %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);
printf("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
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