diff options
Diffstat (limited to 'bsps/include/bsp/irq-generic.h')
| -rw-r--r-- | bsps/include/bsp/irq-generic.h | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/bsps/include/bsp/irq-generic.h b/bsps/include/bsp/irq-generic.h index 0f9bd5765b..e9cb0b4bb9 100644 --- a/bsps/include/bsp/irq-generic.h +++ b/bsps/include/bsp/irq-generic.h @@ -428,13 +428,47 @@ bool bsp_interrupt_handler_is_empty(rtems_vector_number vector); /** @} */ -/* For internal use only */ +/** + * @brief Acquires the interrupt support lock. + * + * The interrupt support lock is a mutex. The mutex is only acquired if the + * system is the ::SYSTEM_STATE_UP state. + */ void bsp_interrupt_lock(void); -/* For internal use only */ +/** + * @brief Releases the interrupt support lock. + * + * The mutex is only released if the system is the ::SYSTEM_STATE_UP state. + */ void bsp_interrupt_unlock(void); /** + * @brief Checks the vector and routine. When the checks were successful, the + * interrupt support lock will be obtained. + * + * @param vector is the interrupt vector number to check. + * + * @param routine is the routine to check. + * + * @retval ::RTEMS_SUCCESSFUL The requested operation was successful. + * + * @retval ::RTEMS_INCORRECT_STATE The interrupt support was not initialized. + * + * @retval ::RTEMS_CALLED_FROM_ISR The function was called from within + * interrupt context. + * + * @retval ::RTEMS_INVALID_ADDRESS The ``routine`` parameter was NULL. + * + * @retval ::RTEMS_INVALID_ID There was no interrupt vector associated with the + * number specified by ``vector``. + */ +rtems_status_code bsp_interrupt_check_and_lock( + rtems_vector_number vector, + rtems_interrupt_handler handler +); + +/** * @brief This table contains a bit map which indicates if an entry is unique * or shared. * |