From c8b810f149c2ed1815ae59b5275d435152ab52ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Andriot?= <francois.andriot@free.fr>
Date: Sat, 11 Oct 2014 17:45:18 +0200
Subject: [PATCH] Fix tdesu process handling

---
 tdesu/process.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tdesu/process.cpp b/tdesu/process.cpp
index 28e3bb110..0fded3184 100644
--- a/tdesu/process.cpp
+++ b/tdesu/process.cpp
@@ -492,8 +492,13 @@ int PtyProcess::waitForChild()
 
     while (1) 
     {
-        FD_SET(m_Fd, &fds);
-        int ret = select(m_Fd+1, &fds, 0L, 0L, 0L);
+        int ret = 0;
+
+        if (m_Fd != -1)
+        {
+            FD_SET(m_Fd, &fds);
+            ret = select(m_Fd+1, &fds, 0L, 0L, 0L);
+        }
         if (ret == -1) 
         {
             if (errno != EINTR)