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Wait for the state to become stopped in QemuVM#Stop

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This commit is contained in:
Lily Tsuru 2024-11-02 11:35:47 -04:00
parent 82065e2899
commit d4b316962a
1 changed files with 12 additions and 1 deletions
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13
src/QemuVM.ts
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@ -160,14 +160,25 @@ export class QemuVM extends EventEmitter {
await this.MonitorCommand('system_reset'); await this.MonitorCommand('system_reset');
} }
async Stop() { async Stop() : Promise<void> {
this.AssertState(VMState.Started, 'cannot use QemuVM#Stop on a non-started VM'); this.AssertState(VMState.Started, 'cannot use QemuVM#Stop on a non-started VM');
// I'm not sure this is better, but I'm also not sure it should be an assertion
//if(this.state !== VMState.Started)
// return;
// Indicate we're stopping, so we don't erroneously start trying to restart everything we're going to tear down. // Indicate we're stopping, so we don't erroneously start trying to restart everything we're going to tear down.
this.SetState(VMState.Stopping); this.SetState(VMState.Stopping);
// Stop the QEMU process, which will bring down everything else. // Stop the QEMU process, which will bring down everything else.
await this.StopQemu(); await this.StopQemu();
// Wait for the VM to reach the stopped state.
return new Promise((res, rej) => {
this.once('statechange', (state) => {
if(state == VMState.Stopped)
res();
});
});
} }
async Reset() { async Reset() {