watchdog_set_timeout(9)

🎀 watchdog_set_timeout(9) 🎀

okay so bestie, welcome to this page from the Kernel API Manual ✨ we’re talking about watchdog_set_timeout(9), and it’s literally here to set the watchdog timer timeout. no cap 💅

🌸 NAME 🌸

watchdog_set_timeout — set the watchdog timer timeout 🐶⏱️

✨ SYNOPSIS ✨

int watchdog_set_timeout (struct watchdog_device *wdd , unsigned int
timeout );

🐶 ARGUMENTS 🐶

• wdd — the watchdog device you’re setting the timeout for 💖
• timeout — the timeout you want to set, in seconds ⏱️

💅 DESCRIPTION 💅

okay so the one thing you cannot skip: the caller must hold wd_data->lock 🔒. that’s the rule, bestie — not optional, not a “maybe later” vibe.

🌈 RETURN 🌈

• 0 if successful 😌
• error otherwise 😭

💖 SEE ALSO 💖

Kernel file: ./drivers/watchdog/watchdog_dev.c 📁

go say hi to these iconic besties too:

• watchdog_ping(9)
• watchdog_start(9)
• watchdog_stop(9)
• watchdog_get_status(9)
• watchdog_set_pretimeout(9)
• watchdog_get_timeleft(9)
• watchdog_ioctl_op(9)
• watchdog_write(9)
• watchdog_ioctl(9)
• watchdog_open(9)
• watchdog_release(9)
• watchdog_cdev_register(9)
• watchdog_cdev_unregister(9)
• watchdog_dev_register(9)
• watchdog_dev_unregister(9)
• watchdog_set_last_hw_keepalive(9)
• watchdog_dev_init(9)
• watchdog_dev_exit(9)

okay bye bestie 🫶 this lil page comes from ./drivers/watchdog, dated October 2026, and it’s all about watchdog_set_timeout(9) 🎀✨