|  | // 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 | 
|  | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
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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_ |