forked from OSchip/llvm-project
33 lines
1.0 KiB
C++
33 lines
1.0 KiB
C++
// Test the mmap_limit_mb flag.
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//
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// RUN: %clangxx_asan -O2 %s -o %t
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// RUN: %run %t 100 16
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// RUN: %run %t 100 1000000
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// RUN: ASAN_OPTIONS=mmap_limit_mb=500 %run %t 50 16
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// RUN: ASAN_OPTIONS=mmap_limit_mb=500 %run %t 50 1000000
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// RUN: ASAN_OPTIONS=mmap_limit_mb=500 not %run %t 500 16 2>&1 | FileCheck %s
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// RUN: ASAN_OPTIONS=mmap_limit_mb=500 not %run %t 500 1000000 2>&1 | FileCheck %s
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <algorithm>
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#include <vector>
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int main(int argc, char **argv) {
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assert(argc == 3);
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long total_mb = atoi(argv[1]);
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long allocation_size = atoi(argv[2]);
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fprintf(stderr, "total_mb: %zd allocation_size: %zd\n", total_mb,
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allocation_size);
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std::vector<char *> v;
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for (long total = total_mb << 20; total > 0; total -= allocation_size)
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v.push_back(new char[allocation_size]);
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for (std::vector<char *>::const_iterator it = v.begin(); it != v.end(); ++it)
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delete[](*it);
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fprintf(stderr, "PASS\n");
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// CHECK: total_mmaped{{.*}}mmap_limit_mb
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return 0;
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}
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