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Manpage of SLEEP

SLEEP

Index
 

NAME

sleep - Sleep for the specified number of seconds  

SYNOPSIS

#include <unistd.h>

unsigned int sleep(unsigned int seconds);
 

DESCRIPTION

sleep() makes the current process sleep until seconds seconds have elapsed or a signal arrives which is not ignored.  

RETURN VALUE

Zero if the requested time has elapsed, or the number of seconds left to sleep.  

CONFORMING TO

POSIX.1  

BUGS

sleep() may be implemented using SIGALRM; mixing calls to alarm() and sleep() is a bad idea.

Using longjmp() from a signal handler or modifying the handling of SIGALRM while sleeping will cause undefined results.  

SEE ALSO

signal(2), alarm(2)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
BUGS
SEE ALSO