|NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | CONFORMING TO | BUGS | SEE ALSO | COLOPHON||The Linux Programming Interface|
SLEEP(3) Linux Programmer's Manual SLEEP(3)
sleep - sleep for the specified number of seconds
#include <unistd.h> unsigned int sleep(unsigned int seconds);
sleep() makes the calling thread sleep until seconds seconds have elapsed or a signal arrives which is not ignored.
Zero if the requested time has elapsed, or the number of seconds left to sleep, if the call was interrupted by a signal handler.
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.
alarm(2), nanosleep(2), signal(2), signal(7)
This page is part of release 3.51 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)
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