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make fewer sysread calls

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romkatv 2020-02-10 15:08:50 +01:00
parent 47400657ec
commit 9fcc380cac
1 changed files with 19 additions and 15 deletions
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30
internal/worker.zsh
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@ -5,7 +5,7 @@ function _p9k_worker_main() {
exec 0<$_p9k__worker_file_prefix.fifo || return exec 0<$_p9k__worker_file_prefix.fifo || return
zf_rm $_p9k__worker_file_prefix.fifo || return zf_rm $_p9k__worker_file_prefix.fifo || return
local -i reset local -i reset n
local req fd local req fd
local -a ready local -a ready
local _p9k_worker_request_id local _p9k_worker_request_id
@ -33,13 +33,14 @@ function _p9k_worker_main() {
for fd in ${ready:1}; do for fd in ${ready:1}; do
if [[ $fd == 0 ]]; then if [[ $fd == 0 ]]; then
local buf= local buf=
while true; do [[ -t 0 ]] # https://www.zsh.org/mla/workers/2020/msg00207.html
[[ -t 0 ]] if sysread -c n -t 0 'buf[$#buf+1]'; then
sysread -t 0 'buf[$#buf+1]' && continue while [[ $buf != *$'\x1e' ]] || (( n == 8192 )); do
(( $? == 4 )) || return sysread -c n 'buf[$#buf+1]' || return
[[ $buf[-1] == (|$'\x1e') ]] && break
sysread 'buf[$#buf+1]' || return
done done
else
(( $? == 4 )) || return
fi
for req in ${(ps:\x1e:)buf}; do for req in ${(ps:\x1e:)buf}; do
_p9k_worker_request_id=${req%%$'\x1f'*} _p9k_worker_request_id=${req%%$'\x1f'*}
() { eval $req[$#_p9k_worker_request_id+2,-1] } () { eval $req[$#_p9k_worker_request_id+2,-1] }
@ -115,13 +116,16 @@ function _p9k_worker_receive() {
(( $# <= 1 )) || return (( $# <= 1 )) || return
local buf resp local buf resp
while true; do local -i n
[[ -t $_p9k__worker_resp_fd ]]
sysread -t 0 -i $_p9k__worker_resp_fd 'buf[$#buf+1]' && continue [[ -t $_p9k__worker_resp_fd ]] # https://www.zsh.org/mla/workers/2020/msg00207.html
(( $? == 4 )) || return if sysread -i $_p9k__worker_resp_fd -c n -t 0 'buf[$#buf+1]'; then
[[ $buf == (|*$'\x1e')$'\x05'# ]] && break while [[ ${buf%%$'\x05'#} != (|*$'\x1e') ]] || (( n == 8192 )); do
sysread -i $_p9k__worker_resp_fd 'buf[$#buf+1]' || return sysread -i $_p9k__worker_resp_fd -c n 'buf[$#buf+1]' || return
done done
else
(( $? == 4 )) || return
fi
local -i reset max_reset local -i reset max_reset
for resp in ${(ps:\x1e:)${buf//$'\x05'}}; do for resp in ${(ps:\x1e:)${buf//$'\x05'}}; do