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Location: cpp/openttd-patchpack/source/src/thread/thread_os2.cpp
r16789:c357db0bb669
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(svn r21532) -Update from WebTranslator v3.0:
croatian - 65 changes by VoyagerOne
czech - 128 changes by SmatZ, marek995
english_US - 84 changes by Rubidium
french - 71 changes by glx
frisian - 13 changes by gjannema
german - 63 changes by planetmaker
slovenian - 5 changes by ntadej
spanish - 81 changes by Terkhen
swedish - 3 changes by Zuu
ukrainian - 8 changes by Fixer
croatian - 65 changes by VoyagerOne
czech - 128 changes by SmatZ, marek995
english_US - 84 changes by Rubidium
french - 71 changes by glx
frisian - 13 changes by gjannema
german - 63 changes by planetmaker
slovenian - 5 changes by ntadej
spanish - 81 changes by Terkhen
swedish - 3 changes by Zuu
ukrainian - 8 changes by Fixer
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file thread_os2.cpp OS/2 implementation of Threads. */
#include "../stdafx.h"
#include "thread.h"
#define INCL_DOS
#include <os2.h>
#include <process.h>
/**
* OS/2 version for ThreadObject.
*/
class ThreadObject_OS2 : public ThreadObject {
private:
TID thread; ///< System thread identifier.
OTTDThreadFunc proc; ///< External thread procedure.
void *param; ///< Parameter for the external thread procedure.
bool self_destruct; ///< Free ourselves when done?
public:
/**
* Create a thread and start it, calling proc(param).
*/
ThreadObject_OS2(OTTDThreadFunc proc, void *param, bool self_destruct) :
thread(0),
proc(proc),
param(param),
self_destruct(self_destruct)
{
thread = _beginthread(stThreadProc, NULL, 32768, this);
}
/* virtual */ bool Exit()
{
_endthread();
return true;
}
/* virtual */ void Join()
{
DosWaitThread(&this->thread, DCWW_WAIT);
this->thread = 0;
}
private:
/**
* On thread creation, this function is called, which calls the real startup
* function. This to get back into the correct instance again.
*/
static void stThreadProc(void *thr)
{
((ThreadObject_OS2 *)thr)->ThreadProc();
}
/**
* A new thread is created, and this function is called. Call the custom
* function of the creator of the thread.
*/
void ThreadProc()
{
/* Call the proc of the creator to continue this thread */
try {
this->proc(this->param);
} catch (OTTDThreadExitSignal e) {
} catch (...) {
NOT_REACHED();
}
if (self_destruct) {
this->Exit();
delete this;
}
}
};
/* static */ bool ThreadObject::New(OTTDThreadFunc proc, void *param, ThreadObject **thread)
{
ThreadObject *to = new ThreadObject_OS2(proc, param, thread == NULL);
if (thread != NULL) *thread = to;
return true;
}
/**
* OS/2 version of ThreadMutex.
*/
class ThreadMutex_OS2 : public ThreadMutex {
private:
HMTX mutex;
HEV event;
public:
ThreadMutex_OS2()
{
DosCreateMutexSem(NULL, &mutex, 0, FALSE);
DosCreateEventSem(NULL, &event, 0, FALSE);
}
/* virtual */ ~ThreadMutex_OS2()
{
DosCloseMutexSem(mutex);
DosCloseEventSem(event);
}
/* virtual */ void BeginCritical()
{
DosRequestMutexSem(mutex, (unsigned long) SEM_INDEFINITE_WAIT);
}
/* virtual */ void EndCritical()
{
DosReleaseMutexSem(mutex);
}
/* virtual */ void WaitForSignal()
{
this->EndCritical();
DosWaitEventSem(event, SEM_INDEFINITE_WAIT);
this->BeginCritical();
}
/* virtual */ void SendSignal()
{
DosPostEventSem(event);
}
};
/* static */ ThreadMutex *ThreadMutex::New()
{
return new ThreadMutex_OS2();
}
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