User`s manual

splx
SBCSCSI/D1 C-3
C
splx
NAME
splx ÑRestore Interrupt Priority Level
SYNOPSIS
UINT splx(level)
UINT level; /* previous Interrupt Priority Level */
DESCRIPTION
The splx routine restores the interrupt priority level following a call to splhi.
This function is normally used in conjunction with splhi. level is hardware
specific and is not guaranteed to be in the range 0 through 7.
Example:
level = splhi(); /* mask interrupts */
/* code that cannot be interrupted goes here */
splx(level); /* go to previous priority level */
RETURN VALUE
none
ERROR CONDITIONS
none