| // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| // Copyright (c) 2007, 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 |
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| |
| // --- |
| // Author: Craig Silverstein |
| |
| #ifndef TCMALLOC_TOOLS_TESTUTIL_H_ |
| #define TCMALLOC_TOOLS_TESTUTIL_H_ |
| |
| // Run a function in a thread of its own and wait for it to finish. |
| // The function you pass in must have the signature |
| // void MyFunction(); |
| extern "C" void RunThread(void (*fn)()); |
| |
| // Run a function X times, in X threads, and wait for them all to finish. |
| // The function you pass in must have the signature |
| // void MyFunction(); |
| extern "C" void RunManyThreads(void (*fn)(), int count); |
| |
| // The 'advanced' version: run a function X times, in X threads, and |
| // wait for them all to finish. Give them all the specified stack-size. |
| // (If you're curious why this takes a stacksize and the others don't, |
| // it's because the one client of this fn wanted to specify stacksize. :-) ) |
| // The function you pass in must have the signature |
| // void MyFunction(int idx); |
| // where idx is the index of the thread (which of the X threads this is). |
| extern "C" void RunManyThreadsWithId(void (*fn)(int), int count, int stacksize); |
| |
| // When compiled 64-bit and run on systems with swap several unittests will end |
| // up trying to consume all of RAM+swap, and that can take quite some time. By |
| // limiting the address-space size we get sufficient coverage without blowing |
| // out job limits. |
| void SetTestResourceLimit(); |
| |
| #endif // TCMALLOC_TOOLS_TESTUTIL_H_ |
