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Fix suspend when running hx within git #1843
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Original file line number | Diff line number | Diff line change |
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@@ -31,10 +31,7 @@ use crossterm::{ | |
tty::IsTty, | ||
}; | ||
#[cfg(not(windows))] | ||
use { | ||
signal_hook::{consts::signal, low_level}, | ||
signal_hook_tokio::Signals, | ||
}; | ||
use {signal_hook::consts::signal, signal_hook_tokio::Signals}; | ||
#[cfg(windows)] | ||
type Signals = futures_util::stream::Empty<()>; | ||
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@@ -254,9 +251,19 @@ impl Application { | |
use helix_view::graphics::Rect; | ||
match signal { | ||
signal::SIGTSTP => { | ||
use nix::{ | ||
sys::signal::{self, Signal}, | ||
unistd::Pid, | ||
}; | ||
self.compositor.save_cursor(); | ||
self.restore_term().unwrap(); | ||
low_level::emulate_default_handler(signal::SIGTSTP).unwrap(); | ||
// low_level::emulate_default_handler(signal::SIGSTSP) only | ||
// send SIGSTOP to the current process but since we use | ||
// multi-process tokio, at times like using helix within | ||
// git suspend will not work since only the current process | ||
// is suspended, so we had to send SIGSTOP signal to the | ||
// whole process to make sure it is suspended correctly. | ||
signal::kill(Pid::from_raw(0), Signal::SIGSTOP).unwrap(); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. @archseer I can change it to |
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} | ||
signal::SIGCONT => { | ||
self.claim_term().await.unwrap(); | ||
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It seems to me that you didn't follow the signal-hook docs: you're supposed to call
low_level::raise(SIGSTOP)?;
, not emulate_default_handler: https://docs.rs/signal-hook/latest/signal_hook/#a-complex-signal-handling-with-a-background-threadThere was a problem hiding this comment.
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Hmm, seems to be the same underlying call though
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Yes, it's the same thing.