Manual pages › XENIX system calls (2Z)
nap(2Z)
suspends execution for a short interval
From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.
NAME
nap - suspends execution for a short interval
SYNOPSIS
cc [flag ...] file ... -lx long nap (long period);
DESCRIPTION
The current process is suspended from execution for at least the number of milliseconds specified by period, or until a signal is received.
DIAGNOSTICS
On successful completion, a long integer indicating the number of milliseconds actually slept is returned. If the process received a signal while napping, the return value will be -1, and errno will be set to EINTR.
SEE ALSO
sleep(2)
NOTES
This function is driven by the system clock, which in most cases has a granularity of tens of milliseconds.