mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-09-27 06:11:53 +02:00
* applied patch to compile go32v2 from Tomas (tested by John)
This commit is contained in:
armin
parent
14334ebb1b
commit
cd547c15f5
@ -1,11 +1,11 @@
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{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by the Free Pascal development team.
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This file is part of the Free Pascal Run time library.
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Copyright (c) 2000 by the Free Pascal development team
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Dummy multithreading support for DOS
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OS independent thread functions/overloads
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See the file COPYING.FPC, included in this distribution,
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See the File COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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@ -13,33 +13,533 @@
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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const
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threadvarblocksize : dword = 0;
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type
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pd = ^dword;
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var
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mainprogramthreadblock : pointer;
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procedure init_threadvar(offset : pdword;size : dword);[public,alias: 'FPC_INIT_THREADVAR'];
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begin
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offset^:=threadvarblocksize;
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inc(threadblocksize,size);
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end;
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function relocate_threadvar(offset : dword) : pointer;[public,alias: 'FPC_RELOCATE_THREADVAR'];
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Var
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CurrentTM : TThreadManager;
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asm
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movl mainprogramthreadblock,%eax
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addl offset,%eax
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end;
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{*****************************************************************************
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Threadvar initialization
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*****************************************************************************}
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procedure InitThread(stklen:cardinal);
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begin
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SysResetFPU;
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{ ExceptAddrStack and ExceptObjectStack are threadvars }
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{ so every thread has its on exception handling capabilities }
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SysInitExceptions;
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{ Open all stdio fds again }
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SysInitStdio;
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InOutRes:=0;
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// ErrNo:=0;
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{ Stack checking }
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StackLength:=stklen;
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StackBottom:=Sptr - StackLength;
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ThreadID := CurrentTM.GetCurrentThreadID();
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end;
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{*****************************************************************************
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Overloaded functions
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*****************************************************************************}
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{$ifndef CPU64}
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{$ifndef unix}
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{$endif unix}
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{$endif CPU64}
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function BeginThread(ThreadFunction : tthreadfunc) : DWord;
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var
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dummy : THandle;
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begin
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BeginThread:=BeginThread(nil,DefaultStackSize,ThreadFunction,nil,0,dummy);
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end;
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function BeginThread(ThreadFunction : tthreadfunc;p : pointer) : DWord;
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var
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dummy : THandle;
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begin
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BeginThread:=BeginThread(nil,DefaultStackSize,ThreadFunction,p,0,dummy);
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end;
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function BeginThread(ThreadFunction : tthreadfunc;p : pointer;var ThreadId : THandle) : DWord;
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begin
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BeginThread:=BeginThread(nil,DefaultStackSize,ThreadFunction,p,0,ThreadId);
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end;
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{$ifndef CPU64}
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{$ifndef unix}
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{$endif unix}
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{$endif CPU64}
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procedure EndThread;
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begin
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EndThread(0);
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end;
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function BeginThread(sa : Pointer;stacksize : dword; ThreadFunction : tthreadfunc;p : pointer;creationFlags : dword; var ThreadId : THandle) : DWord;
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begin
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Result:=CurrentTM.BeginThread(sa,stacksize,threadfunction,P,creationflags,ThreadID);
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end;
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procedure EndThread(ExitCode : DWord);
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begin
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CurrentTM.EndThread(ExitCode);
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end;
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function SuspendThread (threadHandle : dword) : dword;
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begin
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Result:=CurrentTM.SuspendThread(ThreadHandle);
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end;
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function ResumeThread (threadHandle : dword) : dword;
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begin
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Result:=CurrentTM.ResumeThread(ThreadHandle);
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end;
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procedure ThreadSwitch;
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begin
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CurrentTM.ThreadSwitch;
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end;
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function KillThread (threadHandle : dword) : dword;
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begin
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Result:=CurrentTM.KillThread(ThreadHandle);
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end;
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function WaitForThreadTerminate (threadHandle : dword; TimeoutMs : longint) : dword;
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begin
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Result:=CurrentTM.WaitForThreadTerminate(ThreadHandle,TimeOutMS);
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end;
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function ThreadSetPriority (threadHandle : dword; Prio: longint): boolean;
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begin
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Result:=CurrentTM.ThreadSetPriority(ThreadHandle,Prio);
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end;
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function ThreadGetPriority (threadHandle : dword): Integer;
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begin
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Result:=CurrentTM.ThreadGetPriority(ThreadHandle);
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end;
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function GetCurrentThreadId : dword;
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begin
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Result:=CurrentTM.GetCurrentThreadID();
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end;
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procedure InitCriticalSection(var cs : TRTLCriticalSection);
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begin
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CurrentTM.InitCriticalSection(cs);
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end;
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procedure DoneCriticalsection(var cs : TRTLCriticalSection);
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begin
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CurrentTM.DoneCriticalSection(cs);
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end;
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procedure EnterCriticalsection(var cs : TRTLCriticalSection);
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begin
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CurrentTM.EnterCriticalSection(cs);
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end;
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procedure LeaveCriticalsection(var cs : TRTLCriticalSection);
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begin
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CurrentTM.LeaveCriticalSection(cs);
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end;
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Function GetThreadManager(Var TM : TThreadManager) : Boolean;
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begin
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TM:=CurrentTM;
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Result:=True;
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end;
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Function SetThreadManager(Const NewTM : TThreadManager; Var OldTM : TThreadManager) : Boolean;
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begin
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GetThreadManager(OldTM);
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Result:=SetThreadManager(NewTM);
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end;
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Function SetThreadManager(Const NewTM : TThreadManager) : Boolean;
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begin
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Result:=True;
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If Assigned(CurrentTM.DoneManager) then
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Result:=CurrentTM.DoneManager();
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If Result then
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begin
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CurrentTM:=NewTM;
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If Assigned(CurrentTM.InitManager) then
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Result:=CurrentTM.InitManager();
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end;
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end;
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function BasicEventCreate(EventAttributes : Pointer; AManualReset,InitialState : Boolean;const Name : ansistring):pEventState;
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begin
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result:=currenttm.BasicEventCreate(EventAttributes,AManualReset,InitialState, Name);
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end;
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procedure basiceventdestroy(state:peventstate);
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begin
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currenttm.basiceventdestroy(state);
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end;
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procedure basiceventResetEvent(state:peventstate);
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begin
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currenttm.basiceventResetEvent(state);
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end;
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procedure basiceventSetEvent(state:peventstate);
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begin
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currenttm.basiceventSetEvent(state);
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end;
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function basiceventWaitFor(Timeout : Cardinal;state:peventstate) : longint;
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begin
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result:=currenttm.basiceventWaitFor(Timeout,state);
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end;
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function RTLEventCreate :PRTLEvent;
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begin
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result:=currenttm.rtleventcreate();
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end;
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procedure RTLeventdestroy(state:pRTLEvent);
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begin
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currenttm.rtleventdestroy(state);
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end;
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procedure RTLeventSetEvent(state:pRTLEvent);
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begin
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currenttm.rtleventsetEvent(state);
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end;
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procedure RTLeventStartWait(state:pRTLEvent);
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begin
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currenttm.rtleventStartWait(state);
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end;
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procedure RTLeventWaitFor(state:pRTLEvent);
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begin
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currenttm.rtleventWaitFor(state);
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end;
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procedure RTLeventsync(m:trtlmethod;p:tprocedure);
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begin
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currenttm.rtleventsync(m,p);
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end;
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procedure RTLchecksynchronize;
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begin
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currenttm.rtlchksyncunix;
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end;
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{ ---------------------------------------------------------------------
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ThreadManager which gives run-time error. Use if no thread support.
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---------------------------------------------------------------------}
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{$ifndef DISABLE_NO_THREAD_MANAGER}
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Resourcestring
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SNoThreads = 'This binary has no thread support compiled in.';
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SRecompileWithThreads = 'Recompile the application with a thread-driver in the program uses clause before other units using thread.';
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Procedure NoThreadError;
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begin
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If IsConsole then
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begin
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Writeln(StdErr,SNoThreads);
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Writeln(StdErr,SRecompileWithThreads);
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end;
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RunError(232)
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end;
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function NoBeginThread(sa : Pointer;stacksize : dword;
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ThreadFunction : tthreadfunc;p : pointer;
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creationFlags : dword; var ThreadId : THandle) : DWord;
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begin
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NoThreadError;
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end;
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procedure NoEndThread(ExitCode : DWord);
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begin
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NoThreadError;
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end;
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function NoThreadHandler (threadHandle : dword) : dword;
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begin
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NoThreadError;
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end;
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procedure NoThreadSwitch; {give time to other threads}
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begin
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NoThreadError;
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end;
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function NoWaitForThreadTerminate (threadHandle : dword; TimeoutMs : longint) : dword; {0=no timeout}
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begin
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NoThreadError;
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end;
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function NoThreadSetPriority (threadHandle : dword; Prio: longint): boolean; {-15..+15, 0=normal}
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begin
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NoThreadError;
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end;
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function NoThreadGetPriority (threadHandle : dword): Integer;
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begin
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NoThreadError;
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end;
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function NoGetCurrentThreadId : dword;
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begin
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NoThreadError;
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end;
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procedure NoCriticalSection(var CS);
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begin
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if IsMultiThread then
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NoThreadError;
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end;
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procedure NoInitThreadvar(var offset : dword;size : dword);
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begin
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NoThreadError;
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end;
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function NoRelocateThreadvar(offset : dword) : pointer;
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begin
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NoThreadError;
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end;
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procedure NoAllocateThreadVars;
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begin
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NoThreadError;
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end;
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procedure NoReleaseThreadVars;
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begin
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NoThreadError;
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end;
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function noBasicEventCreate(EventAttributes : Pointer; AManualReset,InitialState : Boolean;const Name : ansistring):pEventState;
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begin
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NoThreadError;
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end;
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procedure nobasiceventdestroy(state:peventstate);
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begin
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NoThreadError;
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end;
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procedure nobasiceventResetEvent(state:peventstate);
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begin
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NoThreadError;
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end;
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procedure nobasiceventSetEvent(state:peventstate);
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begin
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NoThreadError;
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end;
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function nobasiceventWaitFor(Timeout : Cardinal;state:peventstate) : longint;
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begin
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NoThreadError;
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end;
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function NORTLEventCreate :PRTLEvent;
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begin
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NoThreadError;
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end;
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procedure NORTLeventdestroy(state:pRTLEvent);
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begin
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NoThreadError;
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end;
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procedure NORTLeventSetEvent(state:pRTLEvent);
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begin
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NoThreadError;
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end;
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procedure NORTLeventStartWait(state:pRTLEvent);
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begin
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NoThreadError;
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end;
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procedure NORTLeventWaitFor(state:pRTLEvent);
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begin
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NoThreadError;
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end;
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procedure NORTLeventsync(m:trtlmethod;p:tprocedure);
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begin
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NoThreadError;
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end;
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procedure NORTLChkSyncUnix;
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begin
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NoThreadError;
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end;
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Var
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NoThreadManager : TThreadManager;
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Procedure SetNoThreadManager;
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begin
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With NoThreadManager do
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begin
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InitManager :=Nil;
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DoneManager :=Nil;
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BeginThread :=@NoBeginThread;
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EndThread :=@NoEndThread;
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SuspendThread :=@NoThreadHandler;
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ResumeThread :=@NoThreadHandler;
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KillThread :=@NoThreadHandler;
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ThreadSwitch :=@NoThreadSwitch;
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WaitForThreadTerminate :=@NoWaitForThreadTerminate;
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ThreadSetPriority :=@NoThreadSetPriority;
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ThreadGetPriority :=@NoThreadGetPriority;
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GetCurrentThreadId :=@NoGetCurrentThreadId;
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InitCriticalSection :=@NoCriticalSection;
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DoneCriticalSection :=@NoCriticalSection;
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||||
EnterCriticalSection :=@NoCriticalSection;
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||||
LeaveCriticalSection :=@NoCriticalSection;
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InitThreadVar :=@NoInitThreadVar;
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RelocateThreadVar :=@NoRelocateThreadVar;
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AllocateThreadVars :=@NoAllocateThreadVars;
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ReleaseThreadVars :=@NoReleaseThreadVars;
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BasicEventCreate :=@NoBasicEventCreate;
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basiceventdestroy :=@Nobasiceventdestroy;
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basiceventResetEvent :=@NobasiceventResetEvent;
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basiceventSetEvent :=@NobasiceventSetEvent;
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basiceventWaitFor :=@NobasiceventWaitFor;
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||||
rtlEventCreate :=@NortlEventCreate;
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rtleventdestroy :=@Nortleventdestroy;
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||||
rtleventSetEvent :=@NortleventSetEvent;
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||||
rtleventStartWait :=@NortleventStartWait;
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rtleventWaitFor :=@NortleventWaitFor;
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rtleventsync :=@Nortleventsync;
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rtlchksyncunix :=@nortlchksyncunix;
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||||
end;
|
||||
SetThreadManager(NoThreadManager);
|
||||
end;
|
||||
{$endif DISABLE_NO_THREAD_MANAGER}
|
||||
|
||||
{
|
||||
$Log$
|
||||
Revision 1.3 2002-09-07 16:01:19 peter
|
||||
* old logs removed and tabs fixed
|
||||
Revision 1.4 2005-01-21 21:43:12 armin
|
||||
* applied patch to compile go32v2 from Tomas (tested by John)
|
||||
|
||||
Revision 1.18 2005/01/16 14:46:57 florian
|
||||
* critical sections can be used in programs without threading driver, they have no effect then
|
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|
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Revision 1.17 2004/12/28 14:20:03 marco
|
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* tthread patch from neli
|
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|
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Revision 1.16 2004/12/27 15:28:40 marco
|
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* checksynchronize now in interface win32 uses the default impl.
|
||||
unix uses systhrds, rest empty implementation.
|
||||
|
||||
Revision 1.15 2004/12/23 20:58:22 peter
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* fix rtlcreateevent
|
||||
|
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Revision 1.14 2004/12/23 15:08:58 marco
|
||||
* 2nd synchronize attempt. cthreads<->systhrds difference was not ok, but
|
||||
only showed on make install should be fixed now.
|
||||
|
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Revision 1.13 2004/12/22 21:29:24 marco
|
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* rtlevent kraam. Checked (compile): Linux, FreeBSD, Darwin, Windows
|
||||
Check work: ask Neli.
|
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|
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Revision 1.12 2004/09/19 18:55:30 armin
|
||||
* added define DISABLE_NO_THREAD_MANAGER to avoid warnings if thread manager is always present
|
||||
|
||||
Revision 1.11 2004/05/23 20:26:20 marco
|
||||
* wrappers and nothread prototypes for the basic* functions
|
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|
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Revision 1.10 2004/02/22 23:22:49 florian
|
||||
* fixed BeginThread on unix
|
||||
|
||||
Revision 1.9 2004/02/22 16:48:39 florian
|
||||
* several 64 bit issues fixed
|
||||
|
||||
Revision 1.8 2004/01/21 20:11:06 peter
|
||||
* fixed compile for unix
|
||||
|
||||
Revision 1.7 2004/01/20 23:13:53 hajny
|
||||
* ExecuteProcess fixes, ProcessID and ThreadID added
|
||||
|
||||
Revision 1.6 2003/11/29 17:33:09 michael
|
||||
+ Removed dummy variable from SetNothreadManager
|
||||
|
||||
Revision 1.5 2003/11/29 17:29:32 michael
|
||||
+ Added overloaded version of SetThreadManager without old parameter
|
||||
|
||||
Revision 1.4 2003/11/26 20:10:59 michael
|
||||
+ New threadmanager implementation
|
||||
|
||||
Revision 1.3 2002/11/14 12:40:06 jonas
|
||||
* the BeginThread() variant that allowed you to specify the stacksize
|
||||
still passed DefaultStackSize to the OS-specific routines
|
||||
|
||||
Revision 1.2 2002/10/16 19:04:27 michael
|
||||
+ More system-independent thread routines
|
||||
|
||||
Revision 1.1 2002/10/14 19:39:17 peter
|
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* threads unit added for thread support
|
||||
|
||||
}
|
||||
|
||||
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Reference in New Issue
Block a user