mirror of
https://github.com/romkatv/powerlevel10k.git
synced 2024-11-21 11:50:07 +00:00
219 lines
6.8 KiB
Bash
219 lines
6.8 KiB
Bash
# invoked in worker: _p9k_worker_main <pgid>
|
|
function _p9k_worker_main() {
|
|
mkfifo -- $_p9k__worker_file_prefix.fifo || return
|
|
echo -nE - s$_p9k_worker_pgid$'\x1e' || return
|
|
exec <$_p9k__worker_file_prefix.fifo || return
|
|
zf_rm -- $_p9k__worker_file_prefix.fifo || return
|
|
|
|
local -i reset
|
|
local req fd
|
|
local -a ready
|
|
local _p9k_worker_request_id
|
|
local -A _p9k_worker_fds # fd => id$'\x1f'callback
|
|
local -A _p9k_worker_inflight # id => inflight count
|
|
|
|
function _p9k_worker_reply() {
|
|
print -nr -- e${(pj:\n:)@}$'\x1e' || kill -- -$_p9k_worker_pgid
|
|
}
|
|
|
|
# usage: _p9k_worker_async <work> <callback>
|
|
function _p9k_worker_async() {
|
|
local fd async=$1
|
|
sysopen -r -o cloexec -u fd <(() { eval $async; } && print -n '\x1e') || return
|
|
(( ++_p9k_worker_inflight[$_p9k_worker_request_id] ))
|
|
_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
|
|
for fd in ${ready:1}; do
|
|
if [[ $fd == 0 ]]; then
|
|
local buf=
|
|
[[ -t 0 ]] # https://www.zsh.org/mla/workers/2020/msg00207.html
|
|
if sysread -t 0 'buf[$#buf+1]'; then
|
|
while [[ $buf != *$'\x1e' ]]; do
|
|
sysread 'buf[$#buf+1]' || return
|
|
done
|
|
else
|
|
(( $? == 4 )) || return
|
|
fi
|
|
for req in ${(ps:\x1e:)buf}; do
|
|
_p9k_worker_request_id=${req%%$'\x1f'*}
|
|
() { eval $req[$#_p9k_worker_request_id+2,-1] }
|
|
(( $+_p9k_worker_inflight[$_p9k_worker_request_id] )) && continue
|
|
print -rn -- d$_p9k_worker_request_id$'\x1e' || return
|
|
done
|
|
else
|
|
local REPLY=
|
|
while true; do
|
|
if sysread -i $fd 'REPLY[$#REPLY+1]'; then
|
|
[[ $REPLY == *$'\x1e' ]] || continue
|
|
else
|
|
(( $? == 5 )) || return
|
|
break
|
|
fi
|
|
done
|
|
local cb=$_p9k_worker_fds[$fd]
|
|
_p9k_worker_request_id=${cb%%$'\x1f'*}
|
|
unset "_p9k_worker_fds[$fd]"
|
|
exec {fd}>&-
|
|
if [[ $REPLY == *$'\x1e' ]]; then
|
|
REPLY[-1]=""
|
|
() { eval $cb[$#_p9k_worker_request_id+2,-1] }
|
|
fi
|
|
if (( --_p9k_worker_inflight[$_p9k_worker_request_id] == 0 )); then
|
|
unset "_p9k_worker_inflight[$_p9k_worker_request_id]"
|
|
print -rn -- d$_p9k_worker_request_id$'\x1e' || return
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
} always {
|
|
kill -- -$_p9k_worker_pgid
|
|
}
|
|
}
|
|
|
|
# invoked in master: _p9k_worker_invoke <request-id> <list>
|
|
function _p9k_worker_invoke() {
|
|
[[ -n $_p9k__worker_resp_fd ]] || return
|
|
local req=$1$'\x1f'$2$'\x1e'
|
|
if [[ -n $_p9k__worker_req_fd && $+_p9k__worker_request_map[$1] == 0 ]]; then
|
|
_p9k__worker_request_map[$1]=
|
|
print -rnu $_p9k__worker_req_fd -- $req
|
|
else
|
|
_p9k__worker_request_map[$1]=$req
|
|
fi
|
|
}
|
|
|
|
function _p9k_worker_cleanup() {
|
|
# __p9k_intro bugs out here in some cases for some reason.
|
|
emulate -L zsh
|
|
[[ $_p9k__worker_shell_pid == $sysparams[pid] ]] && _p9k_worker_stop
|
|
return 0
|
|
}
|
|
|
|
function _p9k_worker_stop() {
|
|
# See comments in _p9k_worker_cleanup.
|
|
emulate -L zsh
|
|
add-zsh-hook -D zshexit _p9k_worker_cleanup
|
|
[[ -n $_p9k__worker_resp_fd ]] && zle -F $_p9k__worker_resp_fd
|
|
[[ -n $_p9k__worker_resp_fd ]] && exec {_p9k__worker_resp_fd}>&-
|
|
[[ -n $_p9k__worker_req_fd ]] && exec {_p9k__worker_req_fd}>&-
|
|
[[ -n $_p9k__worker_pid ]] && kill -- -$_p9k__worker_pid 2>/dev/null
|
|
[[ -n $_p9k__worker_file_prefix ]] && zf_rm -f -- $_p9k__worker_file_prefix.fifo
|
|
_p9k__worker_pid=
|
|
_p9k__worker_req_fd=
|
|
_p9k__worker_resp_fd=
|
|
_p9k__worker_shell_pid=
|
|
_p9k__worker_request_map=()
|
|
return 0
|
|
}
|
|
|
|
function _p9k_worker_receive() {
|
|
eval "$__p9k_intro"
|
|
|
|
[[ -z $_p9k__worker_resp_fd ]] && return
|
|
|
|
{
|
|
(( $# <= 1 )) || return
|
|
|
|
local buf resp
|
|
|
|
[[ -t $_p9k__worker_resp_fd ]] # https://www.zsh.org/mla/workers/2020/msg00207.html
|
|
if sysread -i $_p9k__worker_resp_fd -t 0 'buf[$#buf+1]'; then
|
|
while [[ $buf == *[^$'\x05\x1e']$'\x05'# ]]; do
|
|
sysread -i $_p9k__worker_resp_fd 'buf[$#buf+1]' || return
|
|
done
|
|
else
|
|
(( $? == 4 )) || return
|
|
fi
|
|
|
|
local -i reset max_reset
|
|
for resp in ${(ps:\x1e:)${buf//$'\x05'}}; do
|
|
local arg=$resp[2,-1]
|
|
case $resp[1] in
|
|
d)
|
|
local req=$_p9k__worker_request_map[$arg]
|
|
if [[ -n $req ]]; then
|
|
_p9k__worker_request_map[$arg]=
|
|
print -rnu $_p9k__worker_req_fd -- $req || return
|
|
else
|
|
unset "_p9k__worker_request_map[$arg]"
|
|
fi
|
|
;;
|
|
e)
|
|
() { eval $arg }
|
|
(( reset > max_reset )) && max_reset=reset
|
|
;;
|
|
s)
|
|
[[ -z $_p9k__worker_req_fd ]] || return
|
|
[[ $arg == <1-> ]] || return
|
|
_p9k__worker_pid=$arg
|
|
sysopen -w -o cloexec -u _p9k__worker_req_fd $_p9k__worker_file_prefix.fifo || return
|
|
local req=
|
|
for req in $_p9k__worker_request_map; do
|
|
print -rnu $_p9k__worker_req_fd -- $req || return
|
|
done
|
|
_p9k__worker_request_map=({${(k)^_p9k__worker_request_map},''})
|
|
;;
|
|
*)
|
|
return 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if (( max_reset == 2 )); then
|
|
_p9k__refresh_reason=worker
|
|
_p9k_set_prompt
|
|
_p9k__refresh_reason=''
|
|
fi
|
|
(( max_reset )) && _p9k_reset_prompt
|
|
return 0
|
|
} always {
|
|
(( $? )) && _p9k_worker_stop
|
|
}
|
|
}
|
|
|
|
function _p9k_worker_start() {
|
|
setopt monitor || return
|
|
{
|
|
[[ -n $_p9k__worker_resp_fd ]] && return
|
|
|
|
if [[ -n "$TMPDIR" && ( ( -d "$TMPDIR" && -w "$TMPDIR" ) || ! ( -d /tmp && -w /tmp ) ) ]]; then
|
|
local tmpdir=$TMPDIR
|
|
else
|
|
local tmpdir=/tmp
|
|
fi
|
|
_p9k__worker_file_prefix=$tmpdir/p10k.worker.$EUID.$sysparams[pid].$EPOCHSECONDS
|
|
|
|
sysopen -r -o cloexec -u _p9k__worker_resp_fd <(
|
|
exec 0</dev/null
|
|
if [[ -n $_POWERLEVEL9K_WORKER_LOG_LEVEL ]]; then
|
|
exec 2>$_p9k__worker_file_prefix.log
|
|
setopt xtrace
|
|
else
|
|
exec 2>/dev/null
|
|
fi
|
|
builtin cd -q / || return
|
|
zmodload zsh/zselect || return
|
|
! { zselect -t0 || (( $? != 1 )) } || return
|
|
local _p9k_worker_pgid=$sysparams[pid]
|
|
_p9k_worker_main &
|
|
{
|
|
trap '' PIPE
|
|
while syswrite $'\x05'; do zselect -t 1000; done
|
|
zf_rm -f $_p9k__worker_file_prefix.fifo
|
|
kill -- -$_p9k_worker_pgid
|
|
} &
|
|
exec =true) || return
|
|
_p9k__worker_pid=$sysparams[procsubstpid]
|
|
zle -F $_p9k__worker_resp_fd _p9k_worker_receive
|
|
_p9k__worker_shell_pid=$sysparams[pid]
|
|
add-zsh-hook zshexit _p9k_worker_cleanup
|
|
} always {
|
|
(( $? )) && _p9k_worker_stop
|
|
}
|
|
}
|