NAME

nap − suspends execution for a short interval

SYNOPSIS

cc [flag . . .] file . . . -lx
int 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. 

  —  XENIX Compatibility Package