// Copyright (c) 2004, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // --- // Author: Sanjay Ghemawat // // Check that we do not leak memory when cycling through lots of threads. #include "config_for_unittests.h" #include <stdio.h> #ifdef HAVE_UNISTD_H #include <unistd.h> // for sleep() #endif #include "base/logging.h" #include <gperftools/malloc_extension.h> #include "tests/testutil.h" // for RunThread() // Size/number of objects to allocate per thread (1 MB per thread) static const int kObjectSize = 1024; static const int kNumObjects = 1024; // Number of threads to create and destroy static const int kNumThreads = 1000; // Allocate lots of stuff static void AllocStuff() { void** objects = new void*[kNumObjects]; for (int i = 0; i < kNumObjects; i++) { objects[i] = malloc(kObjectSize); } for (int i = 0; i < kNumObjects; i++) { free(objects[i]); } delete[] objects; } int main(int argc, char** argv) { static const int kDisplaySize = 1048576; char* display = new char[kDisplaySize]; for (int i = 0; i < kNumThreads; i++) { RunThread(&AllocStuff); if (((i+1) % 200) == 0) { fprintf(stderr, "Iteration: %d of %d\n", (i+1), kNumThreads); MallocExtension::instance()->GetStats(display, kDisplaySize); fprintf(stderr, "%s\n", display); } } delete[] display; printf("PASS\n"); #ifdef HAVE_UNISTD_H sleep(1); // Prevent exit race problem with glibc #endif return 0; }