Technical Reference: Base Operating System and Extensions, Volume 1

pm_system_event_query System Call

Controls and queries the PM event.

#include <pm.h>

int pm_system_event_query (event);
int event;

The pm_system_event_query system call queries the PM event.

event	Returns one of the following events: PM_EVENT_NONE PM_EVENT_LID_OPEN PM_EVENT_LID_CLOSE PM_EVENT_LOW_BATTERY PM_EVENT_SYSTEM_IDLE_TIMER PM_EVENT_POWER_SWITCH_OFF PM_EVENT_POWER_SWITCH_ON PM_EVENT_SPECIFIED_TIME PM_EVENT_MOUSE PM_EVENT_KEYBOARD PM_EVENT_EXTRA_INPUTDD PM_EVENT_EXTRA_BUTTON PM_EVENT_TERMINATE PM_EVENT_AC PM_EVENT_DC
PM_SUCCESS	Indicates successful completion.
PM_ERROR	Indicates an error condition. The variable errno is set to identify the error.

The PM library is supported to control/query PM information from application programs.

EINVAL

Invalid argument.

The pm_system_event_query system call is part of the Base Operation System (BOS) Runtime.

The pm_battery_control (pm_battery_control Subroutine) subroutine.

The pm_control_parameter (pm_control_parameter System Call) system call, pm_control_state (pm_control_state System Call) system call.