terminal/doc/ConsoleCtrlEvent.md

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# Console Control Events
## Generation
conhost requests that user32 inject a thread into the attached console application.
See ntuser's exitwin.c for `CreateCtrlThread`.
## Timeouts
_Sourced from ntuser's **exitwin.c**, **user.h**_
| Event | Circumstances | Timeout |
|------------------------|---------------------------------|-------------------------------------------------------------|
| `CTRL_CLOSE_EVENT` | _any_ | system parameter `SPI_GETHUNGAPPTIMEOUT`, 5000ms |
| `CTRL_LOGOFF_EVENT` | `CONSOLE_QUICK_RESOLVE_FLAG`[1] | registry key `CriticalAppShutdownTimeout` or 500ms |
| `CTRL_LOGOFF_EVENT` | _none of the above_ | system parameter `SPI_GETWAITTOKILLTIMEOUT`, 5000ms |
| `CTRL_SHUTDOWN_EVENT` | **service process** | system parameter `SPI_GETWAITTOKILLSERVICETIMEOUT`, 20000ms |
| `CTRL_SHUTDOWN_EVENT` | `CONSOLE_QUICK_RESOLVE_FLAG`[1] | registry key `CriticalAppShutdownTimeout` or 500ms |
| `CTRL_SHUTDOWN_EVENT` | _none of the above_ | system parameter `SPI_GETWAITTOKILLTIMEOUT`, 5000ms |
| `CTRL_C`, `CTRL_BREAK` | _any_ | **no timeout** |
_[1]: nobody sets `CONSOLE_QUICK_RESOLVE_FLAG`._