_clear_lock Subroutine

Purpose

Stores a value in a single word variable atomically.

Standard C library (libc.a)

#include <sys/atomic_op.h>

void _clear_lock ( word_addr, value) atomic_p word_addr; int value

Item	Description
word_addr	Specifies the address of the single word variable.
value	Specifies the value to store in the single word variable.

The _clear_lock subroutine performs an atomic (uninterruptible) sequence of operations.

This subroutine has no return values.

Note: The word variable must be aligned on a full word boundary.