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PinnedTask.cpp
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PinnedTask.cpp
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// Copyright (c) 2013 Doug Binks
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgement in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
#include "TaskScheduler.h"
#include <stdio.h>
using namespace enki;
TaskScheduler g_TS;
struct PinnedTaskHelloWorld : IPinnedTask
{
PinnedTaskHelloWorld()
: IPinnedTask(0) // set pinned thread to 0
{}
void Execute() override
{
printf("This will run on the main thread\n");
}
};
struct ParallelTaskSet : ITaskSet
{
PinnedTaskHelloWorld pinnedTask;
void ExecuteRange( TaskSetPartition range_, uint32_t threadnum_ ) override
{
g_TS.AddPinnedTask( &pinnedTask );
printf("This could run on any thread, currently thread %d\n", threadnum_);
g_TS.WaitforTask( &pinnedTask );
}
};
static const int REPEATS = 5;
int main(int argc, const char * argv[])
{
g_TS.Initialize();
for( int run = 0; run< REPEATS; ++run )
{
ParallelTaskSet task;
g_TS.AddTaskSetToPipe( &task );
printf("Task %d added\n", run );
// RunPinnedTasks must be called on main thread to run any pinned tasks for that thread.
// Tasking threads automatically do this in their task loop.
g_TS.RunPinnedTasks();
g_TS.WaitforTask( &task);
}
return 0;
}