English
- /*
- * thread.h
- *
- * Thread of execution control class.
- *
- * Portable Windows Library
- *
- * Copyright (c) 1993-1998 Equivalence Pty. Ltd.
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
- *
- * The Original Code is Portable Windows Library.
- *
- * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
- *
- * Portions are Copyright (C) 1993 Free Software Foundation, Inc.
- * All Rights Reserved.
- *
- * Contributor(s): ______________________________________.
- *
- * $Log: thread.h,v $
- * Revision 1.18 1999/08/25 02:41:16 robertj
- * Fixed problem with creating windows in background threads, not happening until have a message sent.
- *
- * Revision 1.17 1998/11/30 02:55:41 robertj
- * New directory structure
- *
- * Revision 1.16 1998/09/24 03:30:34 robertj
- * Added open software license.
- *
- * Revision 1.15 1998/04/01 01:53:14 robertj
- * Fixed problem with NoAutoDelete threads.
- *
- * Revision 1.14 1996/08/17 10:00:36 robertj
- * Changes for Windows DLL support.
- *
- * Revision 1.13 1996/08/08 10:09:19 robertj
- * Directory structure changes for common files.
- *
- * Revision 1.12 1996/07/27 04:08:34 robertj
- * Changed thread creation to use C library function instead of direct WIN32.
- *
- * Revision 1.11 1996/06/13 13:32:12 robertj
- * Rewrite of auto-delete threads, fixes Windows95 total crash.
- *
- * Revision 1.10 1996/03/31 09:08:42 robertj
- * Added mutex to thread dictionary access.
- *
- * Revision 1.9 1995/12/10 11:48:54 robertj
- * Fixed bug in application shutdown of child threads.
- *
- * Revision 1.8 1995/08/24 12:38:36 robertj
- * Added extra conditional compile for WIN32 code.
- *
- * Revision 1.7 1995/07/02 01:23:51 robertj
- * Allowed access to thread info to descendents.
- *
- * Revision 1.6 1995/04/25 11:19:53 robertj
- * Fixes for DLL use in WIN32.
- *
- * Revision 1.5 1995/03/12 05:00:02 robertj
- * Re-organisation of DOS/WIN16 and WIN32 platforms to maximise common code.
- * Used built-in equate for WIN32 API (_WIN32).
- *
- * Revision 1.4 1994/07/27 06:00:10 robertj
- * Backup
- *
- * Revision 1.3 1994/07/21 12:35:18 robertj
- * *** empty log message ***
- *
- * Revision 1.2 1994/07/02 03:18:09 robertj
- * Multi-threading implementation.
- *
- * Revision 1.1 1994/06/25 12:13:01 robertj
- * Initial revision
- *
- */
- #ifndef _PTHREAD
- #if defined(_WIN32)
- #define P_PLATFORM_HAS_THREADS
- #undef Yield
- #else
- #include <malloc.h>
- #include <setjmp.h>
- #if defined(_MSC_VER) && !defined(_JMP_BUF_DEFINED)
- typedef int jmp_buf[9];
- #define setjmp _setjmp
- extern "C" int __cdecl _setjmp(jmp_buf);
- extern "C" void __cdecl longjmp(jmp_buf, int);
- #endif
- #endif
- ///////////////////////////////////////////////////////////////////////////////
- // PThread
- #include "../../thread.h"
- #if defined(P_PLATFORM_HAS_THREADS)
- public:
- HANDLE GetHandle() const { return threadHandle; }
- UINT GetThreadId() const { return threadId; }
- protected:
- HANDLE threadHandle;
- UINT threadId;
- private:
- PINDEX originalStackSize;
- static UINT __stdcall MainFunction(void * thread);
- #else
- public:
- typedef BOOL (__far *BlockFunction)(PObject *);
- void Block(BlockFunction isBlocked, PObject * obj);
- // Flag the thread as blocked. The scheduler will call the specified
- // function with the obj parameter to determine if the thread is to be
- // unblocked.
- protected:
- BOOL IsOnlyThread() const;
- // Return TRUE if is only thread in process
- private:
- // Member fields
- BlockFunction isBlocked;
- // Callback function to determine if the thread is blocked on I/O.
- PObject * blocker;
- // When thread is blocked on I/O this is the object to pass to isBlocked.
- #ifdef _WINDOWS
- unsigned stackUsed;
- // High water mark for stack allocated for the thread
- #endif
- #endif
- };
- inline PThread::PThread()
- { } // Is mostly initialised by InitialiseProcessThread().
- #endif
