Maxim Integrated 73M1822/73M1922 Hardware Module for SMDK412 - Manual (Page 18)

73M1822/73M1922 Hardware Module for SMDK412 User Guide UG_1x22_054
18 Rev. 1.1
3.6.16 TSC_1X22_MAFE_IRQ_DOWN_TRY
Description
This IOCTL attempts a mutex down_try call on an internal mutex. This IOCTL does not block and always
completes.
Prototype
int ioctl (
int fd,
int TSC_1X22_MAFE_IRQ_DOWN_TRY);
Parameters
Data Type Name Description
int fd Channel descriptor.
int TSC_1X22_MAFE_IRQ_DOWN_TRY I/O control identifier.
Return Values
Data Type Description
int Returns 0 upon successfully acquiring the lock, non-zero upon failure.
3.6.17 TSC_1X22_MAFE_IRQ_UP
Description
This IOCTL attempts a mutex up call on an internal mutex. This IOCTL does not block and always
completes.
Prototype
int ioctl (
int fd,
int TSC_1X22_MAFE_IRQ_UP);
Parameters
Data Type Name Description
int fd Channel descriptor.
int TSC_1X22_MAFE_IRQ_UP I/O control identifier.
Return Values
Data Type Description
int 0 = Success.
-1 = Failure.