Tcl Source Code

    int Tcl_EvalObjv(Tcl_Interp *interp, int objc, Tcl_Obj *const objv[],
	    int flags)
}
declare 293 {
    int Tcl_EvalObjEx(Tcl_Interp *interp, Tcl_Obj *objPtr, int flags)
}
declare 294 {
    TCL_NORETURN void Tcl_ExitThread(int status)
}
declare 295 {
    int Tcl_ExternalToUtf(Tcl_Interp *interp, Tcl_Encoding encoding,
	    const char *src, int srcLen, int flags,
	    Tcl_EncodingState *statePtr, char *dst, int dstLen,
	    int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr)
}

/* 292 */
EXTERN int		Tcl_EvalObjv(Tcl_Interp *interp, int objc,
				Tcl_Obj *const objv[], int flags);
/* 293 */
EXTERN int		Tcl_EvalObjEx(Tcl_Interp *interp, Tcl_Obj *objPtr,
				int flags);
/* 294 */
EXTERN TCL_NORETURN void Tcl_ExitThread(int status);
/* 295 */
EXTERN int		Tcl_ExternalToUtf(Tcl_Interp *interp,
				Tcl_Encoding encoding, const char *src,
				int srcLen, int flags,
				Tcl_EncodingState *statePtr, char *dst,
				int dstLen, int *srcReadPtr,
				int *dstWrotePtr, int *dstCharsPtr);

    Tcl_Encoding (*tcl_CreateEncoding) (const Tcl_EncodingType *typePtr); /* 287 */
    void (*tcl_CreateThreadExitHandler) (Tcl_ExitProc *proc, ClientData clientData); /* 288 */
    void (*tcl_DeleteThreadExitHandler) (Tcl_ExitProc *proc, ClientData clientData); /* 289 */
    void (*tcl_DiscardResult) (Tcl_SavedResult *statePtr); /* 290 */
    int (*tcl_EvalEx) (Tcl_Interp *interp, const char *script, int numBytes, int flags); /* 291 */
    int (*tcl_EvalObjv) (Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], int flags); /* 292 */
    int (*tcl_EvalObjEx) (Tcl_Interp *interp, Tcl_Obj *objPtr, int flags); /* 293 */
    TCL_NORETURN1 void (*tcl_ExitThread) (int status); /* 294 */
    int (*tcl_ExternalToUtf) (Tcl_Interp *interp, Tcl_Encoding encoding, const char *src, int srcLen, int flags, Tcl_EncodingState *statePtr, char *dst, int dstLen, int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr); /* 295 */
    char * (*tcl_ExternalToUtfDString) (Tcl_Encoding encoding, const char *src, int srcLen, Tcl_DString *dsPtr); /* 296 */
    void (*tcl_FinalizeThread) (void); /* 297 */
    void (*tcl_FinalizeNotifier) (ClientData clientData); /* 298 */
    void (*tcl_FreeEncoding) (Tcl_Encoding encoding); /* 299 */
    Tcl_ThreadId (*tcl_GetCurrentThread) (void); /* 300 */
    Tcl_Encoding (*tcl_GetEncoding) (Tcl_Interp *interp, const char *name); /* 301 */

	     * Tcl_Channels that may have data enqueued.
	     */

	    FinalizeThread(/* quick */ 1);
	}
    }

    exit(status);

}

/*
 *-------------------------------------------------------------------------
 *
 * TclInitSubsystems --
 *

			    Tcl_PathPart portion);
MODULE_SCOPE char *	TclpReadlink(const char *fileName,
			    Tcl_DString *linkPtr);
MODULE_SCOPE void	TclpSetVariables(Tcl_Interp *interp);
MODULE_SCOPE void *	TclThreadStorageKeyGet(Tcl_ThreadDataKey *keyPtr);
MODULE_SCOPE void	TclThreadStorageKeySet(Tcl_ThreadDataKey *keyPtr,
			    void *data);
MODULE_SCOPE void	TCL_NORETURN TclpThreadExit(int status);
MODULE_SCOPE void	TclRememberCondition(Tcl_Condition *mutex);
MODULE_SCOPE void	TclRememberJoinableThread(Tcl_ThreadId id);
MODULE_SCOPE void	TclRememberMutex(Tcl_Mutex *mutex);
MODULE_SCOPE void	TclRemoveScriptLimitCallbacks(Tcl_Interp *interp);
MODULE_SCOPE int	TclReToGlob(Tcl_Interp *interp, const char *reStr,
			    int reStrLen, Tcl_DString *dsPtr, int *flagsPtr,
			    int *quantifiersFoundPtr);

 *
 * Side effects:
 *	The process dies, entering the debugger if possible.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
Tcl_PanicVA(
    const char *format,		/* Format string, suitable for passing to
				 * fprintf. */
    va_list argList)		/* Variable argument list. */
{
    char *arg1, *arg2, *arg3;	/* Additional arguments (variable in number)
				 * to pass to fprintf. */

	tclWinDebugPanic(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
#endif
    } else {
	fprintf(stderr, format, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
		arg8);
	fprintf(stderr, "\n");
	fflush(stderr);
    }
#if defined(_WIN32) || defined(__CYGWIN__)
#if defined(__GNUC__)
    __builtin_trap();
#elif defined(_WIN64)
    __debugbreak();
#elif defined(_MSC_VER) && defined (_M_IX86)
    _asm {int 3}
#else
    DebugBreak();
#endif
#endif
#if defined(_WIN32)
    ExitProcess(1);
#else
    abort();
#endif

}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_Panic --
 *

/*
 * The following comment is here so that Coverity's static analyzer knows that
 * a Tcl_Panic() call can never return and avoids lots of false positives.
 */

/* coverity[+kill] */
TCL_NORETURN void
Tcl_Panic(
    const char *format,
    ...)
{
    va_list argList;

    va_start(argList, format);
    Tcl_PanicVA(format, argList);

}

/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

    } else if (strcmp(argv[1], "marklater") == 0) {
	if (argc != 3) {
	    goto wrongNumArgs;
	}
	if (Tcl_GetInt(interp, argv[2], &id) != TCL_OK) {
	    return TCL_ERROR;
	}
	Tcl_MutexLock(&asyncTestMutex);
	for (asyncPtr = firstHandler; asyncPtr != NULL;
		asyncPtr = asyncPtr->nextPtr) {
	    if (asyncPtr->id == id) {
		Tcl_ThreadId threadID;
		if (Tcl_CreateThread(&threadID, AsyncThreadProc,
			INT2PTR(id), TCL_THREAD_STACK_DEFAULT,
			TCL_THREAD_NOFLAGS) != TCL_OK) {
		    Tcl_AppendResult(interp, "can't create thread", NULL);
		    Tcl_MutexUnlock(&asyncTestMutex);
		    return TCL_ERROR;
		}
		break;
	    }
	}
	Tcl_MutexUnlock(&asyncTestMutex);
    } else {
	Tcl_AppendResult(interp, "bad option \"", argv[1],
		"\": must be create, delete, int, mark, or marklater", NULL);
	return TCL_ERROR;
#else /* !TCL_THREADS */
    } else {
	Tcl_AppendResult(interp, "bad option \"", argv[1],

 *
 * Side effects:
 *	All thread exit handlers are invoked, then the thread dies.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
Tcl_ExitThread(
    int status)
{
    Tcl_FinalizeThread();
#ifdef TCL_THREADS
    TclpThreadExit(status);
#else
    exit(status);
#endif
}

#ifndef TCL_THREADS

/*
 *----------------------------------------------------------------------

 *
 * Side effects:
 *	This procedure terminates the current thread.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
TclpThreadExit(
    int status)
{
    pthread_exit(INT2PTR(status));
}
#endif /* TCL_THREADS */


/*
 * tclWinError.c --
 *
 *	This file contains code for converting from Win32 errors to errno
 *	errors.
 *
 * Copyright (c) 1995-1996 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclInt.h"
/*

 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

MODULE_SCOPE TCL_NORETURN void
tclWinDebugPanic(const char *format, ...);

TCL_NORETURN void
tclWinDebugPanic(
    const char *format, ...)
{
#define TCL_MAX_WARN_LEN 1024
    va_list argList;
    va_start(argList, format);

    if (IsDebuggerPresent()) {
	WCHAR msgString[TCL_MAX_WARN_LEN];
	char buf[TCL_MAX_WARN_LEN * 3];

	vsnprintf(buf, sizeof(buf), format, argList);
	msgString[TCL_MAX_WARN_LEN-1] = '\0';
	MultiByteToWideChar(CP_UTF8, 0, buf, -1, msgString, TCL_MAX_WARN_LEN);

	/*
	 * Truncate MessageBox string if it is too long to not overflow the buffer.
	 */

	if (msgString[TCL_MAX_WARN_LEN-1] != '\0') {
	    memcpy(msgString + (TCL_MAX_WARN_LEN - 5), L" ...", 5 * sizeof(WCHAR));
	}
	OutputDebugStringW(msgString);
    } else {
	vfprintf(stderr, format, argList);
	fprintf(stderr, "\n");
	fflush(stderr);

/*
 * tclWinThread.c --
 *
 *	This file implements the Windows-specific thread operations.
 *
 * Copyright (c) 1998 Sun Microsystems, Inc.
 * Copyright (c) 1999 Scriptics Corporation
 * Copyright (c) 2008 George Peter Staplin
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclWinInt.h"

/*
 * This is the global lock used to serialize access to other serialization
 * data structures.
 */

static CRITICAL_SECTION globalLock;
static int initialized = 0;




/*
 * This is the global lock used to serialize initialization and finalization
 * of Tcl as a whole.
 */

static CRITICAL_SECTION initLock;

    Tcl_ThreadId *idPtr,	/* Return, the ID of the thread. */
    Tcl_ThreadCreateProc *proc,	/* Main() function of the thread. */
    ClientData clientData,	/* The one argument to Main(). */
    int stackSize,		/* Size of stack for the new thread. */
    int flags)			/* Flags controlling behaviour of the new
				 * thread. */
{
    WinThread *winThreadPtr;	/* Per-thread startup info */
    HANDLE tHandle;

    winThreadPtr = (WinThread *)ckalloc(sizeof(WinThread));
    winThreadPtr->lpStartAddress = (LPTHREAD_START_ROUTINE) proc;
    winThreadPtr->lpParameter = clientData;
    winThreadPtr->fpControl = _controlfp(0, 0);

    EnterCriticalSection(&joinLock);

    *idPtr = 0; /* must initialize as Tcl_Thread is a pointer and
                 * on WIN64 sizeof void* != sizeof unsigned */


#if defined(_MSC_VER) || defined(__MSVCRT__) || defined(__BORLANDC__)
    tHandle = (HANDLE) _beginthreadex(NULL, (unsigned) stackSize,
	    (Tcl_ThreadCreateProc*) TclWinThreadStart, winThreadPtr,
	    0, (unsigned *)idPtr);
#else
    tHandle = CreateThread(NULL, (DWORD)stackSize,
	    TclWinThreadStart, winThreadPtr, 0, (LPDWORD)idPtr);
#endif

    if (tHandle == NULL) {
	LeaveCriticalSection(&joinLock);
	return TCL_ERROR;
    } else {

 *
 * Side effects:
 *	This procedure terminates the current thread.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
TclpThreadExit(
    int status)
{
    EnterCriticalSection(&joinLock);
    TclSignalExitThread(Tcl_GetCurrentThread(), status);
    LeaveCriticalSection(&joinLock);

 *
 *----------------------------------------------------------------------
 */

Tcl_ThreadId
Tcl_GetCurrentThread(void)
{
    return (Tcl_ThreadId)INT2PTR(GetCurrentThreadId());
}

/*
 *----------------------------------------------------------------------
 *
 * TclpInitLock
 *

 *
 *----------------------------------------------------------------------
 */

void
TclpInitLock(void)
{
    if (!initialized) {
	/*
	 * There is a fundamental race here that is solved by creating the
	 * first Tcl interpreter in a single threaded environment. Once the
	 * interpreter has been created, it is safe to create more threads
	 * that create interpreters in parallel.
	 */

	initialized = 1;
	InitializeCriticalSection(&joinLock);
	InitializeCriticalSection(&initLock);
	InitializeCriticalSection(&globalLock);
    }
    EnterCriticalSection(&initLock);
}


 *
 *----------------------------------------------------------------------
 */

void
TclpGlobalLock(void)
{
    if (!initialized) {
	/*
	 * There is a fundamental race here that is solved by creating the
	 * first Tcl interpreter in a single threaded environment. Once the
	 * interpreter has been created, it is safe to create more threads
	 * that create interpreters in parallel.
	 */

	initialized = 1;
	InitializeCriticalSection(&joinLock);
	InitializeCriticalSection(&initLock);
	InitializeCriticalSection(&globalLock);
    }
    EnterCriticalSection(&globalLock);
}


    return NULL;
#endif
}

/*
 *----------------------------------------------------------------------
 *
 * TclFinalizeLock
 *
 *	This procedure is used to destroy all private resources used in this
 *	file.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Destroys everything private. TclpInitLock must be held entering this
 *	function.
 *
 *----------------------------------------------------------------------
 */

void
TclFinalizeLock(void)
{
    TclpGlobalLock();
    DeleteCriticalSection(&joinLock);

    /*
     * Destroy the critical section that we are holding!
     */

    DeleteCriticalSection(&globalLock);
    initialized = 0;

#ifdef TCL_THREADS
    if (allocOnce) {
	DeleteCriticalSection(&allocLock.crit);
	allocOnce = 0;
    }
#endif

void
Tcl_MutexLock(
    Tcl_Mutex *mutexPtr)	/* The lock */
{
    CRITICAL_SECTION *csPtr;

    if (*mutexPtr == NULL) {
	TclpGlobalLock();

	/*
	 * Double inside global lock check to avoid a race.
	 */

	if (*mutexPtr == NULL) {
	    csPtr = (CRITICAL_SECTION *)ckalloc(sizeof(CRITICAL_SECTION));
	    InitializeCriticalSection(csPtr);
	    *mutexPtr = (Tcl_Mutex)csPtr;
	    TclRememberMutex(mutexPtr);
	}
	TclpGlobalUnlock();
    }
    csPtr = *((CRITICAL_SECTION **)mutexPtr);
    EnterCriticalSection(csPtr);
}

/*
 *----------------------------------------------------------------------

    /*
     * Self initialize the two parts of the condition. The per-condition and
     * per-thread parts need to be handled independently.
     */

    if (tsdPtr->flags == WIN_THREAD_UNINIT) {
	TclpGlobalLock();

	/*
	 * Create the per-thread event and queue pointers.
	 */

	if (tsdPtr->flags == WIN_THREAD_UNINIT) {
	    tsdPtr->condEvent = CreateEventW(NULL, TRUE /* manual reset */,
		    FALSE /* non signaled */, NULL);
	    tsdPtr->nextPtr = NULL;
	    tsdPtr->prevPtr = NULL;
	    tsdPtr->flags = WIN_THREAD_RUNNING;
	    doExit = 1;
	}
	TclpGlobalUnlock();

	if (doExit) {
	    /*
	     * Create a per-thread exit handler to clean up the condEvent. We
	     * must be careful to do this outside the Global Lock because
	     * Tcl_CreateThreadExitHandler uses its own ThreadSpecificData,
	     * and initializing that may drop back into the Global Lock.
	     */

	    Tcl_CreateThreadExitHandler(FinalizeConditionEvent, tsdPtr);
	}
    }

    if (*condPtr == NULL) {
	TclpGlobalLock();

	/*
	 * Initialize the per-condition queue pointers and Mutex.
	 */

	if (*condPtr == NULL) {
	    winCondPtr = (WinCondition *)ckalloc(sizeof(WinCondition));
	    InitializeCriticalSection(&winCondPtr->condLock);
	    winCondPtr->firstPtr = NULL;
	    winCondPtr->lastPtr = NULL;
	    *condPtr = (Tcl_Condition) winCondPtr;
	    TclRememberCondition(condPtr);
	}
	TclpGlobalUnlock();
    }
    csPtr = *((CRITICAL_SECTION **)mutexPtr);
    winCondPtr = *((WinCondition **)condPtr);
    if (timePtr == NULL) {
	wtime = INFINITE;
    } else {
	wtime = timePtr->sec * 1000 + timePtr->usec / 1000;