1// Check hard_rss_limit_mb. Not all sanitizers implement it yet.
2// RUN: %clangxx -O2 %s -o %t
3//
4// Run with limit should fail:
5// RUN: %env_tool_opts=hard_rss_limit_mb=100                           not %run %t 2>&1 | FileCheck %s
6// This run uses getrusage:
7// RUN: %env_tool_opts=hard_rss_limit_mb=100:can_use_proc_maps_statm=0 not %run %t 2>&1 | FileCheck %s
8//
9// Run w/o limit or with a large enough limit should pass:
10// RUN: %env_tool_opts=hard_rss_limit_mb=1000 %run %t
11// RUN: %run %t
12//
13// FIXME: make it work for other sanitizers.
14// XFAIL: lsan
15// XFAIL: tsan
16// XFAIL: msan
17
18#include <string.h>
19#include <stdio.h>
20#include <unistd.h>
21
22const int kNumAllocs = 200 * 1000;
23const int kAllocSize = 1000;
24volatile char *sink[kNumAllocs];
25
26int main(int argc, char **argv) {
27  for (int i = 0; i < kNumAllocs; i++) {
28    if ((i % 1000) == 0) {
29      fprintf(stderr, "[%d]\n", i);
30    }
31    char *x = new char[kAllocSize];
32    memset(x, 0, kAllocSize);
33    sink[i] = x;
34  }
35  sleep(1);  // Make sure the background thread has time to kill the process.
36// CHECK: hard rss limit exhausted
37}
38