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Diffstat (limited to 'tcl8.6/win/tclWinInt.h')
-rw-r--r-- | tcl8.6/win/tclWinInt.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/tcl8.6/win/tclWinInt.h b/tcl8.6/win/tclWinInt.h new file mode 100644 index 0000000..d0844da --- /dev/null +++ b/tcl8.6/win/tclWinInt.h @@ -0,0 +1,166 @@ +/* + * tclWinInt.h -- + * + * Declarations of Windows-specific shared variables and procedures. + * + * Copyright (c) 1994-1996 Sun Microsystems, Inc. + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#ifndef _TCLWININT +#define _TCLWININT + +#include "tclInt.h" + +#ifdef HAVE_NO_SEH +/* + * Unlike Borland and Microsoft, we don't register exception handlers by + * pushing registration records onto the runtime stack. Instead, we register + * them by creating an TCLEXCEPTION_REGISTRATION within the activation record. + */ + +typedef struct TCLEXCEPTION_REGISTRATION { + struct TCLEXCEPTION_REGISTRATION *link; + EXCEPTION_DISPOSITION (*handler)( + struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*); + void *ebp; + void *esp; + int status; +} TCLEXCEPTION_REGISTRATION; +#endif + +/* + * Windows version dependend functions + */ +typedef struct TclWinProcs { + BOOL (WINAPI *cancelSynchronousIo)(HANDLE); +} TclWinProcs; + +MODULE_SCOPE TclWinProcs tclWinProcs; + +/* + * Some versions of Borland C have a define for the OSVERSIONINFO for + * Win32s and for NT, but not for Windows 95. + * Define VER_PLATFORM_WIN32_CE for those without newer headers. + */ + +#ifndef VER_PLATFORM_WIN32_WINDOWS +#define VER_PLATFORM_WIN32_WINDOWS 1 +#endif +#ifndef VER_PLATFORM_WIN32_CE +#define VER_PLATFORM_WIN32_CE 3 +#endif + +#ifdef _WIN64 +# define TCL_I_MODIFIER "I" +#else +# define TCL_I_MODIFIER "" +#endif + +/* + * Declarations of functions that are not accessible by way of the + * stubs table. + */ + +MODULE_SCOPE char TclWinDriveLetterForVolMountPoint( + const TCHAR *mountPoint); +MODULE_SCOPE void TclWinEncodingsCleanup(); +MODULE_SCOPE void TclWinInit(HINSTANCE hInst); +MODULE_SCOPE TclFile TclWinMakeFile(HANDLE handle); +MODULE_SCOPE Tcl_Channel TclWinOpenConsoleChannel(HANDLE handle, + char *channelName, int permissions); +MODULE_SCOPE Tcl_Channel TclWinOpenFileChannel(HANDLE handle, char *channelName, + int permissions, int appendMode); +MODULE_SCOPE Tcl_Channel TclWinOpenSerialChannel(HANDLE handle, + char *channelName, int permissions); +MODULE_SCOPE HANDLE TclWinSerialOpen(HANDLE handle, const TCHAR *name, + DWORD access); +MODULE_SCOPE int TclWinSymLinkCopyDirectory(const TCHAR *LinkOriginal, + const TCHAR *LinkCopy); +MODULE_SCOPE int TclWinSymLinkDelete(const TCHAR *LinkOriginal, + int linkOnly); +MODULE_SCOPE int TclWinFileOwned(Tcl_Obj *); +#if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC) +MODULE_SCOPE void TclWinFreeAllocCache(void); +MODULE_SCOPE void TclFreeAllocCache(void *); +MODULE_SCOPE Tcl_Mutex *TclpNewAllocMutex(void); +MODULE_SCOPE void * TclpGetAllocCache(void); +MODULE_SCOPE void TclpSetAllocCache(void *); +#endif /* TCL_THREADS */ + +MODULE_SCOPE const char*TclpGetUserName(Tcl_DString *bufferPtr); + +/* Needed by tclWinFile.c and tclWinFCmd.c */ +#ifndef FILE_ATTRIBUTE_REPARSE_POINT +#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 +#endif + +/* + *---------------------------------------------------------------------- + * Declarations of helper-workers threaded facilities for a pipe based channel. + * + * Corresponding functionality provided in "tclWinPipe.c". + *---------------------------------------------------------------------- + */ + +typedef struct TclPipeThreadInfo { + HANDLE evControl; /* Auto-reset event used by the main thread to + * signal when the pipe thread should attempt + * to do read/write operation. Additionally + * used as signal to stop (state set to -1) */ + volatile LONG state; /* Indicates current state of the thread */ + ClientData clientData; /* Referenced data of the main thread */ + HANDLE evWakeUp; /* Optional wake-up event worker set by shutdown */ +} TclPipeThreadInfo; + + +/* If pipe-workers will use some tcl subsystem, we can use ckalloc without + * more overhead for finalize thread (should be executed anyway) + * + * #define _PTI_USE_CKALLOC 1 + */ + +/* + * State of the pipe-worker. + * + * State PTI_STATE_STOP possible from idle state only, worker owns TI structure. + * Otherwise PTI_STATE_END used (main thread hold ownership of the TI). + */ + +#define PTI_STATE_IDLE 0 /* idle or not yet initialzed */ +#define PTI_STATE_WORK 1 /* in work */ +#define PTI_STATE_STOP 2 /* thread should stop work (owns TI structure) */ +#define PTI_STATE_END 4 /* thread should stop work (worker is busy) */ +#define PTI_STATE_DOWN 8 /* worker is down */ + + +MODULE_SCOPE +TclPipeThreadInfo * TclPipeThreadCreateTI(TclPipeThreadInfo **pipeTIPtr, + ClientData clientData, HANDLE wakeEvent); +MODULE_SCOPE int TclPipeThreadWaitForSignal(TclPipeThreadInfo **pipeTIPtr); + +static inline void +TclPipeThreadSignal( + TclPipeThreadInfo **pipeTIPtr) +{ + TclPipeThreadInfo *pipeTI = *pipeTIPtr; + if (pipeTI) { + SetEvent(pipeTI->evControl); + } +}; + +static inline int +TclPipeThreadIsAlive( + TclPipeThreadInfo **pipeTIPtr) +{ + TclPipeThreadInfo *pipeTI = *pipeTIPtr; + return (pipeTI && pipeTI->state != PTI_STATE_DOWN); +}; + +MODULE_SCOPE int TclPipeThreadStopSignal(TclPipeThreadInfo **pipeTIPtr, HANDLE wakeEvent); +MODULE_SCOPE void TclPipeThreadStop(TclPipeThreadInfo **pipeTIPtr, HANDLE hThread); +MODULE_SCOPE void TclPipeThreadExit(TclPipeThreadInfo **pipeTIPtr); + +#endif /* _TCLWININT */ |