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author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2019-06-26 14:01:33 +0100 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2019-06-27 12:20:24 +0100 |
commit | 04de384256ad321834cf5e3dbb9a8d3ea2ab66c2 (patch) | |
tree | 3dbcf7e7a631c44b9d601a4bb1380890a430b0a5 | |
parent | dc1fcb61f7d89cd066ace2edc143e7a2d329e033 (diff) | |
download | openembedded-core-contrib-04de384256ad321834cf5e3dbb9a8d3ea2ab66c2.tar.gz |
busybox: Improve syslog restart handling
We're seeing races on the autobuilder where syslogd fails to shut down
fast enough to be restarted leading to failures.
Add some checks to ensure when restarting that processes exit before
being restarted.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r-- | meta/recipes-core/busybox/files/syslog | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/meta/recipes-core/busybox/files/syslog b/meta/recipes-core/busybox/files/syslog index 89c4d12e9c..49033c1755 100644 --- a/meta/recipes-core/busybox/files/syslog +++ b/meta/recipes-core/busybox/files/syslog @@ -51,6 +51,22 @@ else SYSLOG_ARGS="-C" fi +waitpid () +{ + pid=$1 + # Give pid a chance to exit before we restart with a 5s timeout in 1s intervals + if [ -z "$pid" ]; then + return + fi + timeout=5; + while [ $timeout -gt 0 ] + do + timeout=$(( $timeout-1 )) + kill -0 $pid 2> /dev/null || break + sleep 1 + done +} + case "$1" in start) echo -n "Starting syslogd/klogd: " @@ -65,7 +81,11 @@ case "$1" in echo "done" ;; restart) - $0 stop + pid1=`pidof syslogd` + pid2=`pidof syslogd` + $0 stop + waitpid $pid1 + waitpid $pid2 $0 start ;; *) |