diff options
Diffstat (limited to 'scripts/poky-qemu-internal')
| -rwxr-xr-x | scripts/poky-qemu-internal | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/scripts/poky-qemu-internal b/scripts/poky-qemu-internal index c65e0f1de2..c3720d9ce2 100755 --- a/scripts/poky-qemu-internal +++ b/scripts/poky-qemu-internal @@ -55,6 +55,13 @@ QEMUIFDOWN=`which poky-qemu-ifdown` NFSRUNNING="false" +LOCKUTIL=`which lockfile-create` +if [ -z "$LOCKUTIL" ]; then + echo "Error: Unable to find the lockfile-create utility" + echo "On Ubuntu systems this is included in the lockfile-progs package" + return +fi + LOCKDIR="/tmp/qemu-tap-locks" [ ! -d "$LOCKDIR" ] && mkdir $LOCKDIR @@ -63,10 +70,14 @@ TAP="" LOCKFILE="" for tap in $POSSIBLE; do LOCKFILE="$LOCKDIR/$tap" - if lockfile -2 -r 1 $LOCKFILE; then + echo "Acquiring lockfile for $tap..." + if lockfile-create --use-pid -r 1 $LOCKFILE; then + # the --use-pid option to lockfile-create will give use + # the subshell's pid, so override it with the shell's pid: + echo $$ > $LOCKFILE.lock TAP=$tap - break; - fi + break + fi done if [ "$TAP" = "" ]; then @@ -79,7 +90,11 @@ if [ "$TAP" = "" ]; then return fi LOCKFILE="$LOCKDIR/$tap" - if lockfile $LOCKFILE; then + echo "Acquiring lockfile for $tap..." + if lockfile-create --use-pid -r 1 $LOCKFILE; then + # the --use-pid option to lockfile-create will give us + # the subshell's pid, so override it with the shell's pid: + echo $$ > $LOCKFILE.lock TAP=$tap fi else @@ -91,7 +106,7 @@ release_lock() { $QEMUIFDOWN $TAP $POKY_NATIVE_SYSROOT else echo "Releasing lockfile of preconfigured tap device '$TAP'" - rm -f $LOCKFILE + lockfile-remove $LOCKFILE fi if [ "$NFSRUNNING" = "true" ]; then |