Esempio n. 1
0
static void
InitializeDefaultLibraryDir(
    char **valuePtr,
    int *lengthPtr,
    Tcl_Encoding *encodingPtr)
{
    HMODULE hModule = TclWinGetTclInstance();
    WCHAR wName[MAX_PATH + LIBRARY_SIZE];
    char name[(MAX_PATH + LIBRARY_SIZE) * TCL_UTF_MAX];
    char *end, *p;

    if (GetModuleFileNameW(hModule, wName, MAX_PATH) == 0) {
	GetModuleFileNameA(hModule, name, MAX_PATH);
    } else {
	ToUtf(wName, name);
    }

    end = strrchr(name, '\\');
    *end = '\0';
    p = strrchr(name, '\\');
    if (p != NULL) {
	end = p;
    }
    *end = '\\';

    TclWinNoBackslash(name);
    sprintf(end + 1, "lib/tcl%s", TCL_VERSION);
    *lengthPtr = strlen(name);
    *valuePtr = ckalloc((unsigned int) *lengthPtr + 1);
    *encodingPtr = NULL;
    memcpy(*valuePtr, name, (size_t) *lengthPtr + 1);
}
Esempio n. 2
0
ClientData
Tcl_InitNotifier(void)
{
    if (tclNotifierHooks.initNotifierProc) {
	return tclNotifierHooks.initNotifierProc();
    } else {
	ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

#if TCL_THREADS
	tsdPtr->eventReady = 0;

	/*
	 * Initialize thread specific condition variable for this thread.
	 */
	if (tsdPtr->waitCVinitialized == 0) {
#ifdef __CYGWIN__
	    WNDCLASS class;

	    class.style = 0;
	    class.cbClsExtra = 0;
	    class.cbWndExtra = 0;
	    class.hInstance = TclWinGetTclInstance();
	    class.hbrBackground = NULL;
	    class.lpszMenuName = NULL;
	    class.lpszClassName = className;
	    class.lpfnWndProc = NotifierProc;
	    class.hIcon = NULL;
	    class.hCursor = NULL;

	    RegisterClassW(&class);
	    tsdPtr->hwnd = CreateWindowExW(NULL, class.lpszClassName,
		    class.lpszClassName, 0, 0, 0, 0, 0, NULL, NULL,
		    TclWinGetTclInstance(), NULL);
	    tsdPtr->event = CreateEventW(NULL, 1 /* manual */,
		    0 /* !signaled */, NULL);
#else
	    pthread_cond_init(&tsdPtr->waitCV, NULL);
#endif /* __CYGWIN__ */
	    tsdPtr->waitCVinitialized = 1;
	}

	pthread_mutex_lock(&notifierInitMutex);
#if defined(HAVE_PTHREAD_ATFORK)
	/*
	 * Install pthread_atfork handlers to clean up the notifier in the
	 * child of a fork.
	 */

	if (!atForkInit) {
	    int result = pthread_atfork(NULL, NULL, AtForkChild);

	    if (result) {
		Tcl_Panic("Tcl_InitNotifier: pthread_atfork failed");
	    }
	    atForkInit = 1;
	}
#endif /* HAVE_PTHREAD_ATFORK */

	notifierCount++;
	pthread_mutex_unlock(&notifierInitMutex);

#endif /* TCL_THREADS */
	return tsdPtr;
    }