llvm-project/compiler-rt/test/tsan/ignore_free.cpp

28 lines
637 B
C++

// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include "test.h"
void *Thread(void *p) {
*(int*)p = 42;
barrier_wait(&barrier);
return 0;
}
int main() {
barrier_init(&barrier, 2);
int *p = new int(0);
pthread_t t;
pthread_create(&t, 0, Thread, p);
barrier_wait(&barrier);
AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
free(p);
AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
pthread_join(t, 0);
fprintf(stderr, "OK\n");
return 0;
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
// CHECK: OK