1 files changed, 61 insertions, 15 deletions

diff --git a/unix/tclUnixNotfy.c b/unix/tclUnixNotfy.c
index c1f00d5..e7e70ef 100644
--- a/unix/tclUnixNotfy.c
+++ b/unix/tclUnixNotfy.c
@@ -350,24 +350,24 @@ AlertSingleThread(
 {
     tsdPtr->eventReady = 1;
     if (tsdPtr->onList) {
-        /*
-         * Remove the ThreadSpecificData structure of this thread from the
-         * waiting list. This prevents us from continuously spinning on
-         * epoll_wait until the other threads runs and services the file
-         * event.
-         */
-
-        if (tsdPtr->prevPtr) {
+	/*
+	 * Remove the ThreadSpecificData structure of this thread from the
+	 * waiting list. This prevents us from continuously spinning on
+	 * epoll_wait until the other threads runs and services the file
+	 * event.
+	 */
+
+	if (tsdPtr->prevPtr) {
     	    tsdPtr->prevPtr->nextPtr = tsdPtr->nextPtr;
-        } else {
+	} else {
     	    waitingListPtr = tsdPtr->nextPtr;
-        }
-        if (tsdPtr->nextPtr) {
+	}
+	if (tsdPtr->nextPtr) {
     	    tsdPtr->nextPtr->prevPtr = tsdPtr->prevPtr;
-        }
-        tsdPtr->nextPtr = tsdPtr->prevPtr = NULL;
-        tsdPtr->onList = 0;
-        tsdPtr->pollState = 0;
+	}
+	tsdPtr->nextPtr = tsdPtr->prevPtr = NULL;
+	tsdPtr->onList = 0;
+	tsdPtr->pollState = 0;
     }
 #ifdef __CYGWIN__
     PostMessageW(tsdPtr->hwnd, 1024, 0, 0);
@@ -403,6 +403,10 @@ AtForkChild(void)
     pthread_mutex_init(&notifierMutex, NULL);
     pthread_cond_init(&notifierCV, NULL);
 
+#ifdef NOTIFIER_SELECT
+    asyncPending = 0;
+#endif
+
     /*
      * notifierThreadRunning == 1: thread is running, (there might be data in
      *		notifier lists)
@@ -420,6 +424,10 @@ AtForkChild(void)
 
 	    close(triggerPipe);
 	    triggerPipe = -1;
+#ifdef NOTIFIER_SELECT
+	    close(otherPipe);
+	    otherPipe = -1;
+#endif
 	    /*
 	     * The waitingListPtr might contain event info from multiple
 	     * threads, which are invalid here, so setting it to NULL is not
@@ -456,6 +464,14 @@ AtForkChild(void)
     }
 
     Tcl_InitNotifier();
+
+#ifdef NOTIFIER_SELECT
+    /*
+     * Restart the notifier thread for signal handling.
+     */
+
+    StartNotifierThread("AtForkChild");
+#endif
 }
 #endif /* HAVE_PTHREAD_ATFORK */
 #endif /* TCL_THREADS */
@@ -464,6 +480,36 @@ AtForkChild(void)
 /*
  *----------------------------------------------------------------------
  *
+ * TclpNotifierData --
+ *
+ *	This function returns a ClientData pointer to be associated
+ *	with a Tcl_AsyncHandler.
+ *
+ * Results:
+ *	For the epoll and kqueue notifiers, this function returns the
+ *	thread specific data. Otherwise NULL.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ClientData
+TclpNotifierData(void)
+{
+#if defined(NOTIFIER_EPOLL) || defined(NOTIFIER_KQUEUE)
+    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
+
+    return (ClientData) tsdPtr;
+#else
+    return NULL;
+#endif
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TclUnixWaitForFile --
  *
  *	This function waits synchronously for a file to become readable or