SETITIMER(3POSIX)

πŸ’… SETITIMER β€” ok bestie let's talk interval timers

So this is setitimer(3POSIX), straight out of the POSIX Programmer's Manual, and I'm gonna walk you through it like we're texting at 2am. Buckle up πŸŽ€


✨ PROLOG ✨

ok so before anything else, real talk: this page is part of the POSIX Programmer's Manual. That means the Linux implementation of this interface may differ β€” so if you're on Linux, pls go consult the corresponding Linux manual page for the deets on Linux behavior. OR πŸ‘€ the interface might not even be implemented on Linux at all. yeah. it's giving "check your platform first." πŸ’€


🌸 NAME 🌸

setitimer β€” set the value of an interval timer ⏰✨


πŸ¦‹ SYNOPSIS πŸ¦‹

#include <sys/time.h>

int setitimer(int which, const struct itimerval *restrict value,
    struct itimerval *restrict ovalue);

no cap, that's the whole signature. look at those restrict qualifiers, they're serving πŸ’…


πŸ’– DESCRIPTION πŸ’–

so like… refer to getitimer(). that's it. that's the description. the manpage said "go read the other one bestie" and honestly? iconic. 🫢


ok now the legal bit, and I'm keeping every word because ✨the lawyers said so✨:

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group.

In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. fr fr, they're the final boss.

The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .

Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .


k that's the whole page bestie, you ate it πŸ’–

Cute little sign-off, as promised: this was IEEE/The Open Group, dated 2017, and the manual name is SETITIMER(3POSIX). mwah. 😘🌸