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authorнаб <[email protected]>2021-05-14 04:18:20 +0200
committerBrian Behlendorf <[email protected]>2021-06-09 13:06:09 -0700
commit27d3cc6cd3230877dad0a2700b50cedb99b71e22 (patch)
treeb109d3bbe8afec0eada0c184357679e92a7a5a55 /cmd/zed
parentd6a0cecab142f25e4a031a645c6ce510aab6c15d (diff)
zed.d/all-debug.sh: simplify
By locking the log file itself, we can omit arduous rebinding and explicit umask setting, but, perhaps more importantly, avoid permanently littering /var/lock/ with zed.debug.log.lock we will never delete It is imperative that the previous commit ("zed-functions.sh: zed_lock(): don't truncate lock") be included in any series that contains this one Reviewed-by: Tony Hutter <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #12042
Diffstat (limited to 'cmd/zed')
-rw-r--r--cmd/zed/zed.d/Makefile.am3
-rwxr-xr-xcmd/zed/zed.d/all-debug.sh16
2 files changed, 9 insertions, 10 deletions
diff --git a/cmd/zed/zed.d/Makefile.am b/cmd/zed/zed.d/Makefile.am
index 3eece353e..2c8173b3e 100644
--- a/cmd/zed/zed.d/Makefile.am
+++ b/cmd/zed/zed.d/Makefile.am
@@ -52,3 +52,6 @@ install-data-hook:
ln -s "$(zedexecdir)/$${f}" "$(DESTDIR)$(zedconfdir)"; \
done
chmod 0600 "$(DESTDIR)$(zedconfdir)/zed.rc"
+
+# False positive: 1>&"${ZED_FLOCK_FD}" looks suspiciously similar to a >&filename bash extension
+CHECKBASHISMS_IGNORE = -e 'should be >word 2>&1' -e '&"$${ZED_FLOCK_FD}"'
diff --git a/cmd/zed/zed.d/all-debug.sh b/cmd/zed/zed.d/all-debug.sh
index 14b39caac..824c9fe42 100755
--- a/cmd/zed/zed.d/all-debug.sh
+++ b/cmd/zed/zed.d/all-debug.sh
@@ -12,15 +12,11 @@
zed_exit_if_ignoring_this_event
-lockfile="$(basename -- "${ZED_DEBUG_LOG}").lock"
+zed_lock "${ZED_DEBUG_LOG}"
+{
+ printenv | sort
+ echo
+} 1>&"${ZED_FLOCK_FD}"
+zed_unlock "${ZED_DEBUG_LOG}"
-umask 077
-zed_lock "${lockfile}"
-exec >> "${ZED_DEBUG_LOG}"
-
-printenv | sort
-echo
-
-exec >&-
-zed_unlock "${lockfile}"
exit 0