| // Test the mmap_limit_mb flag. |
| // |
| // RUN: %clangxx_asan -O2 %s -o %t |
| // RUN: %run %t 20 16 |
| // RUN: %run %t 30 1000000 |
| // RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 16 |
| // RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 1000000 |
| // RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 16 2>&1 | FileCheck %s |
| // RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 1000000 2>&1 | FileCheck %s |
| // |
| // FIXME: Windows doesn't implement mmap_limit_mb. |
| // XFAIL: win32 |
| |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #include <algorithm> |
| #include <vector> |
| |
| int main(int argc, char **argv) { |
| assert(argc == 3); |
| long total_mb = atoi(argv[1]); |
| long allocation_size = atoi(argv[2]); |
| fprintf(stderr, "total_mb: %zd allocation_size: %zd\n", total_mb, |
| allocation_size); |
| std::vector<char *> v; |
| for (long total = total_mb << 20; total > 0; total -= allocation_size) |
| v.push_back(new char[allocation_size]); |
| for (std::vector<char *>::const_iterator it = v.begin(); it != v.end(); ++it) |
| delete[](*it); |
| fprintf(stderr, "PASS\n"); |
| // CHECK: total_mmaped{{.*}}mmap_limit_mb |
| return 0; |
| } |