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| author | John Crispin <john@openwrt.org> | 2015-10-19 10:08:56 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-10-19 10:08:56 +0000 |
| commit | e1d585d99fda52cd6621cb73cd73765a915e2d2f (patch) | |
| tree | 50afad7f9d02b3be261ea2187e161024cdb1a6ca /target/linux | |
| parent | 21e1b4163f48a76dd34f35ca6e158f2b4e1aa03e (diff) | |
| download | upstream-e1d585d99fda52cd6621cb73cd73765a915e2d2f.tar.gz upstream-e1d585d99fda52cd6621cb73cd73765a915e2d2f.tar.bz2 upstream-e1d585d99fda52cd6621cb73cd73765a915e2d2f.zip | |
lantiq: Synchronize access to the DSL command pipe
Whenever two processes were executing different commands at the same
time then one of the commands sometimes got the response of the other
command.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 47213
Diffstat (limited to 'target/linux')
| -rwxr-xr-x | target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh b/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh index dbeb344cde..22e65cb148 100755 --- a/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh +++ b/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh @@ -12,8 +12,10 @@ fi # dsl_cmd() { killall -0 ${XDSL_CTRL} && ( + lock /var/lock/dsl_pipe echo "$@" > /tmp/pipe/dsl_cpe0_cmd cat /tmp/pipe/dsl_cpe0_ack + lock -u /var/lock/dsl_pipe ) } dsl_val() { |