1 // Copyright (c) 2007, 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: Craig Silverstein 32 33 #ifndef TCMALLOC_TOOLS_TESTUTIL_H_ 34 #define TCMALLOC_TOOLS_TESTUTIL_H_ 35 36 // Run a function in a thread of its own and wait for it to finish. 37 // The function you pass in must have the signature 38 // void MyFunction(); 39 extern "C" void RunThread(void (*fn)()); 40 41 // Run a function X times, in X threads, and wait for them all to finish. 42 // The function you pass in must have the signature 43 // void MyFunction(); 44 extern "C" void RunManyThreads(void (*fn)(), int count); 45 46 // The 'advanced' version: run a function X times, in X threads, and 47 // wait for them all to finish. Give them all the specified stack-size. 48 // (If you're curious why this takes a stacksize and the others don't, 49 // it's because the one client of this fn wanted to specify stacksize. :-) ) 50 // The function you pass in must have the signature 51 // void MyFunction(int idx); 52 // where idx is the index of the thread (which of the X threads this is). 53 extern "C" void RunManyThreadsWithId(void (*fn)(int), int count, int stacksize); 54 55 // When compiled 64-bit and run on systems with swap several unittests will end 56 // up trying to consume all of RAM+swap, and that can take quite some time. By 57 // limiting the address-space size we get sufficient coverage without blowing 58 // out job limits. 59 void SetTestResourceLimit(); 60 61 #endif // TCMALLOC_TOOLS_TESTUTIL_H_ 62
