#include <poll.h>

/*
 * Static routines defined in this file.
 */

#ifdef NOTIFIER_SELECT
#if !defined(TCL_THREADS) || TCL_THREADS
static TCL_NORETURN void NotifierThreadProc(ClientData clientData);
#if defined(HAVE_PTHREAD_ATFORK)
static void	AtForkChild(void);
#endif /* HAVE_PTHREAD_ATFORK */
#endif /* TCL_THREADS */
#endif /* NOTIFIER_SELECT */
static int	FileHandlerEventProc(Tcl_Event *evPtr, int flags);

#ifdef NOTIFIER_SELECT
#if !defined(TCL_THREADS) || TCL_THREADS
/*
 *----------------------------------------------------------------------
 *
 * StartNotifierThread --
 *
 *	Start a notfier thread and wait for the notifier pipe to be created.
 *

    ClientData clientData)
{
    if (tclNotifierHooks.alertNotifierProc) {
	tclNotifierHooks.alertNotifierProc(clientData);
	return;
    } else {
#ifdef NOTIFIER_SELECT
#if !defined(TCL_THREADS) || TCL_THREADS
	ThreadSpecificData *tsdPtr = clientData;

	pthread_mutex_lock(&notifierMutex);
	tsdPtr->eventReady = 1;

#   ifdef __CYGWIN__
	PostMessageW(tsdPtr->hwnd, 1024, 0, 0);

				 * TCL_SERVICE_NONE. */
{
    if (tclNotifierHooks.serviceModeHookProc) {
	tclNotifierHooks.serviceModeHookProc(mode);
	return;
    } else if (mode == TCL_SERVICE_ALL) {
#ifdef NOTIFIER_SELECT
#if !defined(TCL_THREADS) || TCL_THREADS
	StartNotifierThread("Tcl_ServiceModeHook");
#endif
#endif /* NOTIFIER_SELECT */
    }
}

/*

	}
	break;
    }
    return 1;
}

#ifdef NOTIFIER_SELECT
#if !defined(TCL_THREADS) || TCL_THREADS
/*
 *----------------------------------------------------------------------
 *
 * AlertSingleThread --
 *
 *	Notify a single thread that is waiting on a file descriptor to become
 *	readable or writable or to have an exception condition.