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Austin Schuh745610d2015-09-06 18:19:50 -07001// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
2// Copyright (c) 2007, Google Inc.
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30
31// ---
32// Author: Craig Silverstein
33
34#ifndef TCMALLOC_TOOLS_TESTUTIL_H_
35#define TCMALLOC_TOOLS_TESTUTIL_H_
36
37// Run a function in a thread of its own and wait for it to finish.
38// The function you pass in must have the signature
39// void MyFunction();
40extern "C" void RunThread(void (*fn)());
41
42// Run a function X times, in X threads, and wait for them all to finish.
43// The function you pass in must have the signature
44// void MyFunction();
45extern "C" void RunManyThreads(void (*fn)(), int count);
46
47// The 'advanced' version: run a function X times, in X threads, and
48// wait for them all to finish. Give them all the specified stack-size.
49// (If you're curious why this takes a stacksize and the others don't,
50// it's because the one client of this fn wanted to specify stacksize. :-) )
51// The function you pass in must have the signature
52// void MyFunction(int idx);
53// where idx is the index of the thread (which of the X threads this is).
54extern "C" void RunManyThreadsWithId(void (*fn)(int), int count, int stacksize);
55
56// When compiled 64-bit and run on systems with swap several unittests will end
57// up trying to consume all of RAM+swap, and that can take quite some time. By
58// limiting the address-space size we get sufficient coverage without blowing
59// out job limits.
60void SetTestResourceLimit();
61
62#endif // TCMALLOC_TOOLS_TESTUTIL_H_