sleep(3) Library Functions Manual sleep(3) sleep - (libc -lc) #include unsigned int sleep(unsigned int seconds); sleep() seconds . . attributes(7). +---+------------------------------------+-----------------------------+ || | | +---+------------------------------------+-----------------------------+ |sleep()| | MT-Unsafe sig:SIGCHLD/linux | | | | | +---+------------------------------------+-----------------------------+ sleep() nanosleep(2). nanosleep(2) . sleep() alarm(2) SIGALRM ( POSIX.1 ) alarm(2) sleep() . POSIX.1-2008. POSIX.1-2001. longjmp(3) SIGALRM . sleep(1), alarm(2), nanosleep(2), signal(2), signal(7) 3 . . : . 6.18 8 2026 sleep(3)