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vmm: use the SIGWINCH listener for TTYs too

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Previously, we were only using it for PTYs, because for PTYs there's
no alternative.  But since we have to have it for PTYs anyway, if we
also use it for TTYs, we can eliminate all of the code that handled
SIGWINCH for TTYs.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
This commit is contained in:
Alyssa Ross
2023-03-23 17:36:34 +00:00
committed by Rob Bradford
parent e9841db486
commit 38a1b45783
4 changed files with 55 additions and 98 deletions
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vmm/src/device_manager.rs
+6
View File
@@ -1928,6 +1928,12 @@ impl DeviceManager {
// SAFETY: stdout is valid and owned solely by us.
let stdout = unsafe { File::from_raw_fd(stdout) };
// SAFETY: FFI call. Trivially safe.
if unsafe { libc::isatty(libc::STDOUT_FILENO) } == 1 {
self.listen_for_sigwinch_on_tty(stdout.try_clone().unwrap())
.unwrap();
}
// If an interactive TTY then we can accept input
// SAFETY: FFI call. Trivially safe.
if unsafe { libc::isatty(libc::STDIN_FILENO) == 1 } {