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Command: yield | Section: 9 | Source: NetBSD | File: yield.9
PREEMPT(9) FreeBSD Kernel Developer's Manual PREEMPT(9)
NAME
preempt, yield - general preempt and yield functions
SYNOPSIS
#include <sys/sched.h>
void
preempt(void);
#include <sys/proc.h>
void
yield(void);
DESCRIPTION
The preempt() function puts the current LWP back on the system run queue
and performs an involuntary context switch. The yield() function is
mostly same as preempt(), except that it performs a voluntary context
switch.
These functions drop the kernel lock before switching and re-acquire it
before returning.
FreeBSD 14.1-RELEASE-p8 July 3, 2007 FreeBSD 14.1-RELEASE-p8