1 // Copyright (c) 2004, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // --- 31 // Author: Sanjay Ghemawat 32 // 33 // Check that we do not leak memory when cycling through lots of threads. 34 35 #include "config_for_unittests.h" 36 #include <stdio.h> 37 #ifdef HAVE_UNISTD_H 38 #include <unistd.h> // for sleep() 39 #endif 40 #include "base/logging.h" 41 #include <gperftools/malloc_extension.h> 42 #include "tests/testutil.h" // for RunThread() 43 44 // Size/number of objects to allocate per thread (1 MB per thread) 45 static const int kObjectSize = 1024; 46 static const int kNumObjects = 1024; 47 48 // Number of threads to create and destroy 49 static const int kNumThreads = 1000; 50 51 // Allocate lots of stuff 52 static void AllocStuff() { 53 void** objects = new void*[kNumObjects]; 54 for (int i = 0; i < kNumObjects; i++) { 55 objects[i] = malloc(kObjectSize); 56 } 57 for (int i = 0; i < kNumObjects; i++) { 58 free(objects[i]); 59 } 60 delete[] objects; 61 } 62 63 int main(int argc, char** argv) { 64 static const int kDisplaySize = 1048576; 65 char* display = new char[kDisplaySize]; 66 67 for (int i = 0; i < kNumThreads; i++) { 68 RunThread(&AllocStuff); 69 70 if (((i+1) % 200) == 0) { 71 fprintf(stderr, "Iteration: %d of %d\n", (i+1), kNumThreads); 72 MallocExtension::instance()->GetStats(display, kDisplaySize); 73 fprintf(stderr, "%s\n", display); 74 } 75 } 76 delete[] display; 77 78 printf("PASS\n"); 79 #ifdef HAVE_UNISTD_H 80 sleep(1); // Prevent exit race problem with glibc 81 #endif 82 return 0; 83 } 84
