# OS_GetIrqCheckFlag

## C Specification

  `#include <nitro/os.h>`
  `OSIrqMask OS_GetIrqCheckFlag( void );`

## Arguments

None.

## Return Values

An IRQ interrupt check flag.

## Description

Gets an IRQ check flag These flags are normally set by the IRQ interrupt handler. For information on the types of flags see `OS_SetIrqCheckFlag`.

## See Also

`OS_SetIrqCheckFlag`, `OS_ClearIrqCheckFlag`

## Internal Operation

In the ARM9, the predetermined location (`DTCM_END - 8`) in DTCM is designated to be the check flag region. This function operates on this region. In the ARM7, the predetermined location of the ARM7 WRAM (highest address - 8) is designated to be the check flag region. The function operates on this region.

## Revision History

03/08/2005 Standardized the Japanese term for "interrupt."
04/06/2004 Initial version.

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