From 467ab3fd675641e7f1ae470a951aeaafeee7fc35 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Tue, 10 Jul 2018 13:37:27 -0300
Subject: Adds pid action

---
 kvmx | 48 ++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 42 insertions(+), 6 deletions(-)

diff --git a/kvmx b/kvmx
index 7911ec4..079ea82 100755
--- a/kvmx
+++ b/kvmx
@@ -745,6 +745,17 @@ EOF
   fi
 }
 
+# Get guest PID
+function kvmx_pid {
+  if [ -e "$PIDFILE" ]; then
+    # QEMU might put weird things into pidfile, so we need a simple filter
+    #cat $PIDFILE
+    cut -d ' ' -f 1 $PIDFILE | head -1
+  else
+    return 1
+  fi
+}
+
 # Suspend the virtual machine
 function kvmx_suspend {
   if ! kvmx_running; then
@@ -752,7 +763,12 @@ function kvmx_suspend {
     exit 1
   fi
 
-  PID="`cat $PIDFILE`"
+  PID="`kvmx_pid`"
+
+  if [ -z "$PID" ]; then
+    return 1
+  fi
+
   kill -STOP $PID
 
   # Alternative
@@ -777,7 +793,7 @@ function kvmx_running {
     return 1
   fi
 
-  PID="`cat $PIDFILE`"
+  PID="`kvmx_pid`"
 
   if [ -z "$PID" ]; then
     return 1
@@ -812,7 +828,12 @@ function kvmx_resume {
     exit 1
   fi
 
-  PID="`cat $PIDFILE`"
+  PID="`kvmx_pid`"
+
+  if [ -z "$PID" ]; then
+    return 1
+  fi
+
   kill -CONT $PID
 
   # Alternative
@@ -1254,7 +1275,12 @@ function kvmx_edit {
 # Stop a guest
 function kvmx_stop {
   if kvmx_running; then
-    PID="`cat $PIDFILE`"
+    PID="`kvmx_pid`"
+
+    if [ -z "$PID" ]; then
+      return 1
+    fi
+
     kill $PID
     kvmx_xephyr_stop
   fi
@@ -1263,7 +1289,12 @@ function kvmx_stop {
 # Kill a guest
 function kvmx_kill {
   if kvmx_running; then
-    PID="`cat $PIDFILE`"
+    PID="`kvmx_pid`"
+
+    if [ -z "$PID" ]; then
+      return 1
+    fi
+
     kill -9 $PID
     kvmx_xephyr_stop
   fi
@@ -1385,7 +1416,12 @@ function kvmx_status {
     return
   fi
 
-  PID="`cat $PIDFILE`"
+  PID="`kvmx_pid`"
+
+  if [ -z "$PID" ]; then
+    return 1
+  fi
+
   ps $PID
 }
 
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