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Import Tcl-code 8.6.8

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This commit is contained in:
Cheryl Sabella
2018-02-22 14:28:00 -05:00
parent 261a0e7c44
commit cc7c413b4f
509 changed files with 18473 additions and 18499 deletions
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75
win/tclWinInt.h
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@@ -31,6 +31,15 @@ typedef struct TCLEXCEPTION_REGISTRATION {
} 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.
@@ -86,4 +95,70 @@ MODULE_SCOPE void TclpSetAllocCache(void *);
#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 */