File: suppress_same_stacks.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (27 lines) | stat: -rw-r--r-- 542 bytes parent folder | download | duplicates (45) 
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
 
// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include <pthread.h>

volatile int N;  // Prevent loop unrolling.
int **data;

void *Thread1(void *x) {
  for (int i = 0; i < N; i++)
    data[i][0] = 42;
  return 0;
}

int main() {
  N = 4;
  data = new int*[N];
  for (int i = 0; i < N; i++)
    data[i] = new int;
  pthread_t t;
  pthread_create(&t, 0, Thread1, 0);
  Thread1(0);
  pthread_join(t, 0);
  for (int i = 0; i < N; i++)
    delete data[i];
  delete[] data;
}

// CHECK: ThreadSanitizer: reported 1 warnings