v4l2_fh_is_singular(9)

🌸 v4l2_fh_is_singular(9) 🌸

okay bestie, welcome to the Kernel API Manual moment for v4l2_fh_is_singular(9) — yes, the manual name is right there and we’re folding it in like a cute little intro, no cap. This one is a tiny function with main-character energy, so let’s vibe check it. 💅

✨ NAME ✨

v4l2_fh_is_singular — returns 1 if this filehandle is the only filehandle opened for the associated video_device. 🎀

✨ SYNOPSIS ✨

int v4l2_fh_is_singular (struct v4l2_fh *fh );

✨ ARGUMENTS ✨

• fh — pointer to struct v4l2_fh 🫶

✨ DESCRIPTION ✨

so here’s the tea ☕: if fh is NULL, then it returns 0. that’s it, that’s the whole plot twist 😭. no extra lore, no secret side quests — literally just that check, bestie.

highkey remember: the function returns 1 when this filehandle is the only filehandle opened for the associated video_device, and it returns 0 when fh is NULL. 🦋

✨ SEE ALSO ✨

• Kernel file ./include/media/v4l2-fh.h
• struct v4l2_fh(9)
• file_to_v4l2_fh(9)
• v4l2_fh_init(9)
• v4l2_fh_add(9)
• v4l2_fh_open(9)
• v4l2_fh_del(9)
• v4l2_fh_exit(9)
• v4l2_fh_release(9)
• v4l2_fh_is_singular_file(9)

and that’s the whole page, bestie — signed off from ./include/media, dated October 2026, with the v4l2_fh_is_singular(9) footer energy. mwah 💋✨