Changeset View
Changeset View
Standalone View
Standalone View
head/cddl/usr.sbin/dwatch/libexec/errno
Property | Old Value | New Value |
---|---|---|
svn:keywords | null | FreeBSD=%H \ No newline at end of property |
# -*- tab-width: 4 -*- ;; Emacs | |||||
# vi: set filetype=sh tabstop=8 shiftwidth=8 noexpandtab :: Vi/ViM | |||||
############################################################ IDENT(1) | |||||
# | |||||
# $Title: dwatch(8) module for syscall errno logging $ | |||||
# $Copyright: 2014-2018 Devin Teske. All rights reserved. $ | |||||
# $FreeBSD$ | |||||
# | |||||
############################################################ DESCRIPTION | |||||
# | |||||
# Print when syscall returns with non-zero errno (default) or other condition. | |||||
# To override the default test condition, use (for example) `-t errno==2' to | |||||
# test for specific value or simply `-t 1' to unconditionally show all values. | |||||
# | |||||
############################################################ PROBE | |||||
: ${PROBE:=syscall:::return} | |||||
############################################################ EVENT ACTION | |||||
[ "$CUSTOM_TEST" ] || EVENT_TEST="errno > 0" | |||||
############################################################ EVENT DETAILS | |||||
exec 9<<EOF | |||||
/* | |||||
* Print errno details | |||||
*/ | |||||
printf("%s: %s (%i)", probefunc, strerror[errno], errno); | |||||
EOF | |||||
EVENT_DETAILS=$( cat <&9 ) | |||||
################################################################################ | |||||
# END | |||||
################################################################################ |