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Clean up threading

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* Rename everything.
    * Strip J prefix.
    * Change UpperCamelCase functions to lowerCamelCase.
  * Remove global (!) semaphore count mutex on OSX.
  * Remove semaphore count getter (unused, unsafe, depended on internal
    API functions on Windows, and used a hack on OSX).
  * Add `Atomic<type>`.
  * Make `Thread` handle thread names.
  * Add support for C++11 multi-threading.
  * Combine pthread and win32 sources.
  * Remove `ThreadStarted` (unused, unneeded).
  * Move some includes from the headers to the sources.
  * Move all of `Event` into its header (allows inlining with no new includes).
  * Make `Event` use `Semaphore` (except on Windows).
  * Move some porting functions into `Thread`.
  * Integrate logging with `Thread`.
  * Add threading test.
This commit is contained in:
ShadowNinja 2015-04-07 06:13:12 -04:00
parent 6a1047d8c1
commit e4bff8be94
77 changed files with 1594 additions and 2046 deletions
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85
src/unittest/test_threading.cpp Normal file
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test.h"
#include "threading/atomic.h"
#include "threading/semaphore.h"
#include "threading/thread.h"
class TestThreading : public TestBase {
public:
TestThreading() { TestManager::registerTestModule(this); }
const char *getName() { return "TestThreading"; }
void runTests(IGameDef *);
void testAtomicSemaphoreThread();
};
static TestThreading g_test_instance;
void TestThreading::runTests(IGameDef *)
{
TEST(testAtomicSemaphoreThread);
}
class AtomicTestThread : public Thread
{
public:
AtomicTestThread(Atomic<u32> &v, Semaphore &trigger) :
Thread("AtomicTest"),
val(v),
trigger(trigger)
{}
private:
void *run()
{
trigger.wait();
for (u32 i = 0; i < 0x10000; ++i)
++val;
return NULL;
}
Atomic<u32> &val;
Semaphore &trigger;
};
void TestThreading::testAtomicSemaphoreThread()
{
Atomic<u32> val;
Semaphore trigger;
static const u8 num_threads = 4;
AtomicTestThread *threads[num_threads];
for (u8 i = 0; i < num_threads; ++i) {
threads[i] = new AtomicTestThread(val, trigger);
UASSERT(threads[i]->start());
}
trigger.post(num_threads);
for (u8 i = 0; i < num_threads; ++i) {
threads[i]->wait();
delete threads[i];
}
UASSERT(val == num_threads * 0x10000);
}