12-18-2003
system sleep
Dear All ,
I installed new Linux Red Hat 9 system and it is working fine .
but while i keep it for certain time ideal ( i mean ndo not wrok on system itself ) it goes to mode like sleep mode ,,, but while it is in sleep mode i can not ping it or telnet !!
i discovered it while i was telnet it , i got disconnected , i went to system itself and pressed any key and screen come up again .. i telnet again !
how can avoid this problem plz
thanks
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SLEEP(3) Linux Programmer's Manual SLEEP(3)
NAME
sleep - sleep for the specified number of seconds
SYNOPSIS
#include <unistd.h>
unsigned int sleep(unsigned int seconds);
DESCRIPTION
sleep() makes the calling thread 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, if the call was interrupted by a signal handler.
CONFORMING TO
POSIX.1-2001.
BUGS
sleep() may be implemented using SIGALRM; mixing calls to alarm(2) and sleep() is a bad idea.
Using longjmp(3) from a signal handler or modifying the handling of SIGALRM while sleeping will cause undefined results.
SEE ALSO
alarm(2), nanosleep(2), signal(2), signal(7)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU
2010-02-03 SLEEP(3)