From 5486d8e2a8ed86dc1fa421a46b4e3cd8b796e1ea Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sat, 3 Mar 2012 15:26:35 -0600
Subject: Fix high tdm CPU usage when the SAK is enabled This closes Bug 690

---
 tdm/kfrontend/kgreeter.cpp |  8 ++++++++
 tdm/kfrontend/sakdlg.cc    | 11 +++++++++++
 2 files changed, 19 insertions(+)

diff --git a/tdm/kfrontend/kgreeter.cpp b/tdm/kfrontend/kgreeter.cpp
index 717d2549f..97c6f2588 100644
--- a/tdm/kfrontend/kgreeter.cpp
+++ b/tdm/kfrontend/kgreeter.cpp
@@ -83,6 +83,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include <sys/time.h>
 #include <termios.h>
 #include <signal.h>
+#include <libgen.h>
 
 #include <X11/Xlib.h>
 
@@ -250,6 +251,13 @@ void KGreeter::handleInputPipe(void) {
 	umask(0);
 	struct stat buffer;
 	int status;
+	char *fifo_parent_dir = strdup(FIFO_DIR);
+	dirname(fifo_parent_dir);
+	status = stat(fifo_parent_dir, &buffer);
+	if (status != 0) {
+		mkdir(fifo_parent_dir, 0644);
+	}
+	free(fifo_parent_dir);
 	status = stat(FIFO_DIR, &buffer);
 	if (status == 0) {
 		int file_mode = ((buffer.st_mode & S_IRWXU) >> 6) * 100;
diff --git a/tdm/kfrontend/sakdlg.cc b/tdm/kfrontend/sakdlg.cc
index 255e36567..b81a1cafa 100644
--- a/tdm/kfrontend/sakdlg.cc
+++ b/tdm/kfrontend/sakdlg.cc
@@ -66,6 +66,7 @@
 #include <sys/time.h>
 #include <termios.h>
 #include <signal.h>
+#include <libgen.h>
 
 #include "kfdialog.h"
 
@@ -164,6 +165,13 @@ void SAKDlg::handleInputPipe(void) {
 	umask(0);
 	struct stat buffer;
 	int status;
+	char *fifo_parent_dir = strdup(FIFO_DIR);
+	dirname(fifo_parent_dir);
+	status = stat(fifo_parent_dir, &buffer);
+	if (status != 0) {
+		mkdir(fifo_parent_dir, 0644);
+	}
+	free(fifo_parent_dir);
 	status = stat(FIFO_DIR, &buffer);
 	if (status == 0) {
 		int file_mode = ((buffer.st_mode & S_IRWXU) >> 6) * 100;
@@ -187,6 +195,9 @@ void SAKDlg::handleInputPipe(void) {
 		readbuf[numread] = 0;
 		readbuf[2047] = 0;
 		inputcommand += readbuf;
+		if (!tqApp->hasPendingEvents()) {
+			usleep(500);
+		}
 		tqApp->processEvents();
 	}
 	if (closingDown) {
-- 
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