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vmm: move listen_for_sigwinch_on_tty method

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Move listen_for_sigwinch_on_tty to sigwinch_listener.rs module.

Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>
This commit is contained in:
Praveen K Paladugu
2024-04-30 19:36:57 +00:00
committed by Rob Bradford
parent cf6115a73c
commit d784bf0c75
2 changed files with 32 additions and 20 deletions
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35
vmm/src/device_manager.rs
View File

@@ -20,9 +20,8 @@ use crate::interrupt::LegacyUserspaceInterruptManager;
use crate::interrupt::MsiInterruptManager;
use crate::memory_manager::{Error as MemoryManagerError, MemoryManager, MEMORY_MANAGER_ACPI_SIZE};
use crate::pci_segment::PciSegment;
use crate::seccomp_filters::{get_seccomp_filter, Thread};
use crate::serial_manager::{Error as SerialManagerError, SerialManager};
use crate::sigwinch_listener::start_sigwinch_listener;
use crate::sigwinch_listener::listen_for_sigwinch_on_tty;
use crate::vm_config::DEFAULT_PCI_SEGMENT_APERTURE_WEIGHT;
use crate::GuestRegionMmap;
use crate::PciDeviceInfo;
@@ -494,6 +493,9 @@ pub enum DeviceManagerError {
/// Cannot create a RateLimiterGroup
RateLimiterGroupCreate(rate_limiter::group::Error),
/// Cannot start sigwinch listener
StartSigwinchListener(std::io::Error),
}
pub type DeviceManagerResult<T> = result::Result<T, DeviceManagerError>;
@@ -1973,20 +1975,6 @@ impl DeviceManager {
Ok(serial)
}
fn listen_for_sigwinch_on_tty(&mut self, pty_sub: File) -> std::io::Result<()> {
let seccomp_filter = get_seccomp_filter(
&self.seccomp_action,
Thread::PtyForeground,
self.hypervisor_type,
)
.unwrap();
self.console_resize_pipe =
Some(Arc::new(start_sigwinch_listener(seccomp_filter, pty_sub)?));
Ok(())
}
fn add_virtio_console_device(
&mut self,
virtio_devices: &mut Vec<MetaVirtioDevice>,
@@ -2015,7 +2003,10 @@ impl DeviceManager {
self.config.lock().unwrap().console.file = Some(path.clone());
let file = main.try_clone().unwrap();
assert!(resize_pipe.is_none());
self.listen_for_sigwinch_on_tty(sub).unwrap();
self.console_resize_pipe = Some(Arc::new(
listen_for_sigwinch_on_tty(sub, &self.seccomp_action, self.hypervisor_type)
.map_err(DeviceManagerError::StartSigwinchListener)?,
));
self.console_pty = Some(Arc::new(Mutex::new(PtyPair { main, path })));
Endpoint::PtyPair(file.try_clone().unwrap(), file)
}
@@ -2037,8 +2028,14 @@ impl DeviceManager {
// SAFETY: FFI call. Trivially safe.
if unsafe { libc::isatty(libc::STDOUT_FILENO) } == 1 {
self.listen_for_sigwinch_on_tty(stdout.try_clone().unwrap())
.unwrap();
self.console_resize_pipe = Some(Arc::new(
listen_for_sigwinch_on_tty(
stdout.try_clone().unwrap(),
&self.seccomp_action,
self.hypervisor_type,
)
.map_err(DeviceManagerError::StartSigwinchListener)?,
));
}
// If an interactive TTY then we can accept input