SMT_PAUSE(3C) Standard C Library Functions SMT_PAUSE(3C)

NAME

smt_pause - hardware-aware busy wait

SYNOPSIS

#include <synch.h>

void
smt_pause(void);

DESCRIPTION

The smt_pause() function performs a busy-wait for an implementation defined
period of time. On hardware platforms that support it, it notifies the
hardware that this is occurring in an effort to minimize resource usage.
This is commonly used in the implementation of spin loops.

INTERFACE STABILITY

Committed

MT-LEVEL
MT-Safe

SEE ALSO

attributes(7)

OmniOS December 22, 2014 OmniOS