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annotate src/modules/thread/LuaThread.cpp @ 1098:a74672ba1320 minor

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Merge in channels from love-experiments Rewritten love.thread and changed communication method from weird system before, to channels.
author Bart van Strien <bart.bes+projects@gmail.com>
date Wed, 04 Jul 2012 17:15:16 +0200
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1098
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1 /**
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2 * Copyright (c) 2006-2012 LOVE Development Team
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3 *
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4 * This software is provided 'as-is', without any express or implied
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5 * warranty. In no event will the authors be held liable for any damages
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6 * arising from the use of this software.
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7 *
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8 * Permission is granted to anyone to use this software for any purpose,
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9 * including commercial applications, and to alter it and redistribute it
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10 * freely, subject to the following restrictions:
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11 *
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12 * 1. The origin of this software must not be misrepresented; you must not
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13 * claim that you wrote the original software. If you use this software
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14 * in a product, an acknowledgment in the product documentation would be
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15 * appreciated but is not required.
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16 * 2. Altered source versions must be plainly marked as such, and must not be
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17 * misrepresented as being the original software.
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18 * 3. This notice may not be removed or altered from any source distribution.
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19 **/
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20
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21 #include "LuaThread.h"
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22 #include <common/config.h>
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23
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24 #ifdef LOVE_BUILD_STANDALONE
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25 extern "C" int luaopen_love(lua_State * L);
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26 #endif // LOVE_BUILD_STANDALONE
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27 extern "C" int luaopen_love_thread(lua_State *L);
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28
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29 namespace love
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30 {
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31 namespace thread
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32 {
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33 LuaThread::LuaThread(const std::string &name, love::Data *code)
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34 : name(name), code(code)
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35 {
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36 code->retain();
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37 }
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38
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39 LuaThread::~LuaThread()
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40 {
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41 code->release();
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42 }
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43
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44 void LuaThread::threadFunction()
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45 {
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46 this->retain();
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47 lua_State * L = lua_open();
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48 luaL_openlibs(L);
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49 #ifdef LOVE_BUILD_STANDALONE
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50 love::luax_preload(L, luaopen_love, "love");
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51 luaopen_love(L);
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52 #endif // LOVE_BUILD_STANDALONE
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53 luaopen_love_thread(L);
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54 if (luaL_loadbuffer(L, (const char*) code->getData(), code->getSize(), name.c_str()) != 0)
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55 error = luax_tostring(L, -1);
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56 else
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57 if (lua_pcall(L, 0, 0, 0) != 0)
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58 error = luax_tostring(L, -1);
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59 lua_close(L);
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60 this->release();
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61 }
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62
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63 const std::string &LuaThread::getError()
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64 {
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65 return error;
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66 }
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67 } // thread
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68 } // love