poll_select_set_timeout(9)

💖 poll_select_set_timeout(9) — timeout helper bestie 💖

okay so welcome to the poll_select_set_timeout(9) page from the Kernel API Manual ✨ This is literally the helper that sets up the timeout value, and we're gonna get into it.

🎀 NAME 🎀

poll_select_set_timeout — helper function to setup the timeout value 🫶

✨ SYNOPSIS ✨

       int poll_select_set_timeout (struct timespec64 *to , time64_t sec , long
       nsec );

🧚 ARGUMENTS 🧚

• to — pointer to a timespec64 variable for the final timeout 💅
• sec — seconds (from user space) ⏱️
• nsec — nanoseconds (from user space) 🧚

💅 DESCRIPTION 💅

Okay so note: we do not use a timespec for the user space value here. That way we can use the function for timeval and compat interfaces as well. iykyk ✨

Returns -EINVAL if sec/nsec are not normalized. Otherwise 0. periodt. 💖

🌈 SEE ALSO 🌈

• Kernel file ./fs/select.c 👀

mwah 💋 — sourced from ./fs, dated October 2026, and it's all for poll_select_set_timeout(9). no cap, that's the footer vibe. 🎀