Console Control Events

Generation

conhost requests that user32 injects 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.