linux/zsh-autosuggestions
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Move check for MONITOR directly after fork

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This should properly handle the edge case where the MONITOR option is
changed between forking and killing.
This commit is contained in:
Eric Freese 2023-08-25 14:38:08 -06:00
parent b350b900ce
commit 6259d46d36
2 changed files with 20 additions and 24 deletions
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20
src/async.zsh
View file

@ -16,20 +16,9 @@ _zsh_autosuggest_async_request() {
# We won't know the pid unless the user has zsh/system module installed
if (( _ZSH_AUTOSUGGEST_CHILD_PID )); then
# Zsh will make a new process group for the child process only if job
# control is enabled (MONITOR option)
if [[ -o MONITOR ]]; then
# Send the signal to the process group to kill any processes that may
# have been forked by the suggestion strategy
kill -TERM -$_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null
else
# Kill just the child process since it wasn't placed in a new process
# group. If the suggestion strategy forked any child processes they may
# be orphaned and left behind.
kill -TERM $_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null
fi
fi
fi
# Fork a process to fetch a suggestion and open a pipe to read from it
exec {_ZSH_AUTOSUGGEST_ASYNC_FD}< <(
@ -50,6 +39,15 @@ _zsh_autosuggest_async_request() {
# Read the pid from the child process
read _ZSH_AUTOSUGGEST_CHILD_PID <&$_ZSH_AUTOSUGGEST_ASYNC_FD
# Zsh will make a new process group for the child process only if job
# control is enabled (MONITOR option)
if [[ -o MONITOR ]]; then
# If we need to kill the background process in the future, we'll send
# SIGTERM to the process group to kill any processes that may have been
# forked by the suggestion strategy
_ZSH_AUTOSUGGEST_CHILD_PID=${_ZSH_AUTOSUGGEST_CHILD_PID:+-$_ZSH_AUTOSUGGEST_CHILD_PID}
fi
# When the fd is readable, call the response handler
zle -F "$_ZSH_AUTOSUGGEST_ASYNC_FD" _zsh_autosuggest_async_response
}

20
zsh-autosuggestions.zsh
View file

@ -771,20 +771,9 @@ _zsh_autosuggest_async_request() {
# We won't know the pid unless the user has zsh/system module installed
if (( _ZSH_AUTOSUGGEST_CHILD_PID )); then
# Zsh will make a new process group for the child process only if job
# control is enabled (MONITOR option)
if [[ -o MONITOR ]]; then
# Send the signal to the process group to kill any processes that may
# have been forked by the suggestion strategy
kill -TERM -$_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null
else
# Kill just the child process since it wasn't placed in a new process
# group. If the suggestion strategy forked any child processes they may
# be orphaned and left behind.
kill -TERM $_ZSH_AUTOSUGGEST_CHILD_PID 2>/dev/null
fi
fi
fi
# Fork a process to fetch a suggestion and open a pipe to read from it
exec {_ZSH_AUTOSUGGEST_ASYNC_FD}< <(
@ -805,6 +794,15 @@ _zsh_autosuggest_async_request() {
# Read the pid from the child process
read _ZSH_AUTOSUGGEST_CHILD_PID <&$_ZSH_AUTOSUGGEST_ASYNC_FD
# Zsh will make a new process group for the child process only if job
# control is enabled (MONITOR option)
if [[ -o MONITOR ]]; then
# If we need to kill the background process in the future, we'll send
# SIGTERM to the process group to kill any processes that may have been
# forked by the suggestion strategy
_ZSH_AUTOSUGGEST_CHILD_PID=${_ZSH_AUTOSUGGEST_CHILD_PID:+-$_ZSH_AUTOSUGGEST_CHILD_PID}
fi
# When the fd is readable, call the response handler
zle -F "$_ZSH_AUTOSUGGEST_ASYNC_FD" _zsh_autosuggest_async_response
}