sleep: Spát po zadaný počet sekund

Originální popis anglicky: sleep - Sleep for the specified number of seconds

Návod, kniha: Linux Programmer's Manual

STRUČNĚ

#include <unistd.h>
 
unsigned int sleep(unsigned int seconds);

POPIS / INSTRUKCE

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

NÁVRATOVÁ HODNOTA

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

ODPOVÍDAJÍCÍ

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.

SOUVISEJÍCÍ

alarm(2), signal(2)