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// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
// Copyright (c) 2007, Google Inc.
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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_