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split spawn_receiver(..) and spawn_senders(..) from scan(..).
This is just a split commit, refraining from renaming too much. The drop(tx) call is no longer necessary, as the first sender is dropped at the end of spawn_senders(..)
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parent
d8bd5f9d51
commit
5ade72a5e1
55
src/walk.rs
55
src/walk.rs
@ -17,7 +17,7 @@ use std::io;
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use std::path::PathBuf;
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use std::process;
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::sync::mpsc::channel;
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use std::sync::mpsc::{channel, Receiver, Sender};
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use std::sync::{Arc, Mutex};
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use std::thread;
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use std::time;
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@ -54,7 +54,6 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<FdOptions>) {
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.expect("Error: Path vector can not be empty");
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let (tx, rx) = channel();
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let threads = config.threads;
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let show_filesystem_errors = config.show_filesystem_errors;
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let mut override_builder = OverrideBuilder::new(first_path_buf.as_path());
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@ -121,8 +120,34 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<FdOptions>) {
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}
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// Spawn the thread that receives all results through the channel.
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let rx_config = Arc::clone(&config);
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let receiver_thread = thread::spawn(move || {
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let receiver_thread = spawn_receiver(Arc::clone(&config), receiver_wtq, rx);
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// Spawn the sender threads.
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spawn_senders(
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Arc::clone(&config),
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pattern,
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sender_wtq,
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parallel_walker,
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tx,
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);
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// Wait for the receiver thread to print out all results.
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receiver_thread.join().unwrap();
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if wants_to_quit.load(Ordering::Relaxed) {
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process::exit(ExitCode::KilledBySigint.into());
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}
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}
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fn spawn_receiver(
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rx_config: Arc<FdOptions>,
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receiver_wtq: Arc<AtomicBool>,
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rx: Receiver<WorkerResult>,
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) -> thread::JoinHandle<()> {
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let show_filesystem_errors = rx_config.show_filesystem_errors;
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let threads = rx_config.threads;
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thread::spawn(move || {
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// This will be set to `Some` if the `--exec` argument was supplied.
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if let Some(ref cmd) = rx_config.command {
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if cmd.in_batch_mode() {
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@ -222,9 +247,16 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<FdOptions>) {
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}
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}
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}
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});
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})
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}
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// Spawn the sender threads.
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fn spawn_senders(
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config: Arc<FdOptions>,
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pattern: Arc<Regex>,
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sender_wtq: Arc<AtomicBool>,
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parallel_walker: ignore::WalkParallel,
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tx: Sender<WorkerResult>,
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) {
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parallel_walker.run(|| {
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let config = Arc::clone(&config);
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let pattern = Arc::clone(&pattern);
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@ -349,15 +381,4 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<FdOptions>) {
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ignore::WalkState::Continue
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})
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});
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// Drop the initial sender. If we don't do this, the receiver will block even
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// if all threads have finished, since there is still one sender around.
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drop(tx);
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// Wait for the receiver thread to print out all results.
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receiver_thread.join().unwrap();
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if wants_to_quit.load(Ordering::Relaxed) {
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process::exit(ExitCode::KilledBySigint.into());
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}
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}
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