diff options
Diffstat (limited to 'src/linux.rs')
| -rw-r--r-- | src/linux.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/linux.rs b/src/linux.rs index ab6c64c..0f8a848 100644 --- a/src/linux.rs +++ b/src/linux.rs @@ -1638,6 +1638,7 @@ fn run_control( #[derive(PollToken)] enum Token { Exit, + Suspend, ChildSignal, CheckAvailableMemory, LowMemory, @@ -1652,6 +1653,7 @@ fn run_control( let poll_ctx = PollContext::build_with(&[ (&linux.exit_evt, Token::Exit), + (&linux.suspend_evt, Token::Suspend), (&sigchld_fd, Token::ChildSignal), ]) .map_err(Error::PollContextAdd)?; @@ -1744,6 +1746,14 @@ fn run_control( info!("vcpu requested shutdown"); break 'poll; } + Token::Suspend => { + info!("VM requested suspend"); + linux.suspend_evt.read().unwrap(); + run_mode_arc.set_and_notify(VmRunMode::Suspending); + for handle in &vcpu_handles { + let _ = handle.kill(SIGRTMIN() + 0); + } + } Token::ChildSignal => { // Print all available siginfo structs, then exit the loop. while let Some(siginfo) = sigchld_fd.read().map_err(Error::SignalFd)? { @@ -1879,6 +1889,17 @@ fn run_control( VmRunMode::Exiting => { break 'poll; } + VmRunMode::Running => { + if let VmRunMode::Suspending = + *run_mode_arc.mtx.lock() + { + linux.io_bus.notify_resume(); + } + run_mode_arc.set_and_notify(VmRunMode::Running); + for handle in &vcpu_handles { + let _ = handle.kill(SIGRTMIN() + 0); + } + } other => { run_mode_arc.set_and_notify(other); for handle in &vcpu_handles { @@ -1937,6 +1958,7 @@ fn run_control( for event in events.iter_hungup() { match event.token() { Token::Exit => {} + Token::Suspend => {} Token::ChildSignal => {} Token::CheckAvailableMemory => {} Token::LowMemory => {} |