Linux sleep with exec /bin/sleep

Sh wait 10 seconds

sleep .5 # Waits 0.5 second.
sleep 5  # Waits 5 seconds.
sleep 5s # Waits 5 seconds.
sleep 5m # Waits 5 minutes.
sleep 5h # Waits 5 hours.
sleep 5d # Waits 5 days.

Source: stackoverflow.com

Linux sleep with exec /bin/sleep

int pid= fork();
if (pid==0) { // child
	execl("/bin/sleep", "sleep", argv[1], NULL); // argv[1] is the sleeptime
    perror("execl");
    return EXIT_FAILURE;
}
if (waitpid(pid,NULL,0)<0) {
	perror("waitpid");
    return EXIT_FAILURE;
}

Similar codes

0 vote369 views2 answers
How to select multiple non-consecutive words on mac
C
0 vote363 views1 answer
Flake8 ignore line length
C
10 votes351 views3 answers
How to get user input in c
C
0 vote401 views1 answer
Pointer parameter where to put the asterix in C?
C
0 vote366 views1 answer
Function inside struct c
C
1 vote373 views1 answer
Roll binary c
C
0 vote375 views1 answer
2 dimensional array in c
C
6 votes370 views1 answer
Csrf_exempt
C
1 vote381 views1 answer
Yourkill071
C
-1 vote357 views4 answers
Convert c++ to c online
C