# This file is part of shellfire core. It is subject to the licence terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT. No part of shellfire core, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.

# Copyright © 2014-2015 The developers of shellfire core. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/shellfire-dev/core/master/COPYRIGHT.

core_usesIn core/variable array

core_trap_initialise()

{

local trapNames='EXIT|HUP|INT|QUIT|ABRT|PIPE|TERM|TSTP|USR1|USR2'

local trapName

local IFS='|'

for trapName in $trapNames

do

trap "_core_trap_executeOnTrap $trapName" "$trapName"

done

}

core_functions_register _core_functions core_trap_initialise

core_trap_addOnCleanUp()

{

#core_trap_addHandler "$1" EXIT INT TERM ABRT QUIT PIPE

core_trap_addHandler "$1" EXIT INT TERM ABRT QUIT

}

_core_trap_executeOnTrap()

{

local trapName="$1"

local arrayName="core_trap_handlers_${trapName}"

if core_variable_array_isUnset "$arrayName"; then

return 0

fi

core_variable_array_iterateAsCallbacks "$arrayName"

}

core_trap_addHandler()

{

local handler="$1"

shift 1

local trapName

for trapName in "$@"

do

case "$trapName" in

# DEBUG|ERR|RETURN are not supported

EXIT|HUP|INT|QUIT|ABRT|PIPE|TERM|TSTP|USR1|USR2)

:

;;

*)

core_exitError $core_commandLine_exitCode_SOFTWARE "Unrecognised or unsupported trap '$trapName'"

;;

esac

done

for trapName in "$@"

do

core_variable_array_append core_trap_handlers_${trapName} "$handler"

done

}