Qubes/core-admin
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

qvm-copy-to-vm2.kde: prepare for a race in PROGRESS_FILE creation

Browse Source 
Apparently a tight race may happen when PROGRESS_FILE has been created,
but not yet written to by qfile-agent. Check if its content are
sane before use.
This commit is contained in:
Rafal Wojtczuk 2011-03-30 10:28:25 +02:00
parent 93e5b749fd
commit 7ac754eb63
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
appvm/qvm-copy-to-vm2.kde
View File

@ -34,6 +34,7 @@ while ! [ -s $PROGRESS_FILE ] ; do
done done
while true ; do while true ; do
read agentpid sentsize agentstatus < $PROGRESS_FILE read agentpid sentsize agentstatus < $PROGRESS_FILE
if [ "x"$agentstatus = x ] ; then continue ; fi
if ! [ -e /proc/$agentpid ] ; then break ; fi if ! [ -e /proc/$agentpid ] ; then break ; fi
if [ "x"$agentstatus = xdone ] ; then break ; fi if [ "x"$agentstatus = xdone ] ; then break ; fi
CURRSIZE=$(($sentsize/1024)) CURRSIZE=$(($sentsize/1024))