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trap PIPE

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romkatv 2020-01-25 11:12:30 +01:00
parent 565492b10e
commit 2dc56d0afe
1 changed files with 10 additions and 10 deletions
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20
internal/worker.zsh
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@ -1,9 +1,7 @@
# invoked in worker: _p9k_worker_main <pgid>
function _p9k_worker_main() {
local pgid=$1
mkfifo $_p9k__worker_file_prefix.fifo || return
echo -nE - s${1}$'\x1e' || return
echo -nE - s$_p9k_worker_pgid$'\x1e' || return
exec 0<$_p9k__worker_file_prefix.fifo || return
rm $_p9k__worker_file_prefix.fifo || return
@ -16,9 +14,9 @@ function _p9k_worker_main() {
local -A _p9k_worker_fds # fd => id$'\x1f'callback
local -A _p9k_worker_inflight # id => inflight count
function _p9k_worker_reply_begin() { print -nr -- e }
function _p9k_worker_reply_end() { print -nr -- $'\x1e' }
function _p9k_worker_reply() { print -nr -- e${(pj:\n:)@}$'\x1e' }
function _p9k_worker_reply() {
print -nr -- e${(pj:\n:)@}$'\x1e' || kill -- -$_p9k_worker_pgid
}
# usage: _p9k_worker_async <work> <callback>
function _p9k_worker_async() {
@ -29,6 +27,8 @@ function _p9k_worker_main() {
_p9k_worker_fds[$fd]=$_p9k_worker_request_id$'\x1f'$2
}
trap '' PIPE
{
while zselect -a ready 0 ${(k)_p9k_worker_fds}; do
[[ $ready[1] == -r ]] || return
@ -70,7 +70,7 @@ function _p9k_worker_main() {
done
done
} always {
kill -- -$pgid
kill -- -$_p9k_worker_pgid
}
}
@ -200,12 +200,12 @@ function _p9k_worker_start() {
setopt xtrace
zmodload zsh/zselect || return
! { zselect -t0 || (( $? != 1 )) } || return
local pgid=$sysparams[pid]
_p9k_worker_main $pgid &
local _p9k_worker_pgid=$sysparams[pid]
_p9k_worker_main &
{
trap '' PIPE
while syswrite $'\x05'; do zselect -t 1000; done
kill -- -$pgid
kill -- -$_p9k_worker_pgid
} &
exec =true) || return
zle -F $_p9k__worker_resp_fd _p9k_worker_receive