mirror of
https://github.com/dcarrillo/prezto.git
synced 2024-12-23 14:56:48 +00:00
51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
|
#
|
||
|
|
# Provides for the trapping of UNIX signals and the calling of multiple
|
||
|
|
# registered functions when a trap is triggered.
|
||
|
|
#
|
||
|
|
# Authors:
|
||
|
|
# Sorin Ionescu <sorin.ionescu@gmail.com>
|
||
|
|
#
|
||
|
|
|
||
|
|
# Trap signals were generated with 'kill -l'.
|
||
|
|
# DEBUG, EXIT, and ZERR are Zsh signals.
|
||
|
|
_trap_signals=(
|
||
|
|
ABRT ALRM BUS CHLD CONT EMT FPE HUP ILL INFO INT IO KILL PIPE PROF QUIT
|
||
|
|
SEGV STOP SYS TERM TRAP TSTP TTIN TTOU URG USR1 USR2 VTALRM WINCH XCPU XFSZ
|
||
|
|
DEBUG EXIT ZERR
|
||
|
|
)
|
||
|
|
|
||
|
|
# Adds a function name to a list to be called when a trap is triggered.
|
||
|
|
function add-zsh-trap {
|
||
|
|
if (( $# < 2 )); then
|
||
|
|
print "usage: $0 type function" >&2
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [[ -z "$_trap_signals[(r)$1]" ]]; then
|
||
|
|
print "$0: unknown signal: $1" >&2
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
local trap_functions="TRAP${1}_FUNCTIONS"
|
||
|
|
if (( ! ${(P)+trap_functions} )); then
|
||
|
|
typeset -gaU "$trap_functions"
|
||
|
|
fi
|
||
|
|
eval "$trap_functions+="$2""
|
||
|
|
|
||
|
|
if (( ! $+functions[TRAP${1}] )); then
|
||
|
|
eval "
|
||
|
|
function TRAP${1} {
|
||
|
|
for trap_function in \"\$TRAP${1}_FUNCTIONS[@]\"; do
|
||
|
|
if (( \$+functions[\$trap_function] )); then
|
||
|
|
\"\$trap_function\" \"\$1\"
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
return \$(( 128 + \$1 ))
|
||
|
|
}
|
||
|
|
"
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
add-zsh-trap "$@"
|
||
|
|
|