drm_syncobj_get_handle(9)

💅 drm_syncobj_get_handle(9) — from the Kernel API Manual, bestie

okay so welcome to the group chat, this is a page about a little kernel function called drm_syncobj_get_handle and honestly? it's giving "small but mighty" ✨ it lives in the Kernel API Manual and it's about to be your new fave, i promise 🫶

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✨ NAME ✨

drm_syncobj_get_handle — get a handle from a syncobj 💫

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🌸 SYNOPSIS 🌸

int drm_syncobj_get_handle (struct drm_file *file_private , struct
       drm_syncobj *syncobj , u32 *handle );

three args, one int coming back at you, no cap 🎀

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🦋 ARGUMENTS 🦋

• file_private — drm file private pointer. it's the file-private situation, yk? 🔥
• syncobj — the sync object to export. this is the main character of the whole operation, periodt 👑
• handle — out parameter with the new handle. it's an out param bestie, so it gets written into, not read from 💅

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💖 DESCRIPTION 💖

So what does it even do? It exports a sync object that was created with drm_syncobj_create as a handle on file_private to userspace. that's it, that's the whole vibe 🌈

It returns 0 on success or a negative error value on failure — literally the classic, iconic, never-miss return-value situation 😭 so like. check it. always check it. fr fr.

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🔥 SEE ALSO 🔥

the whole friend group, no gatekeeping 🫶

• Kernel file ./drivers/gpu/drm/drm_syncobj.c Overview(9)
• drm_syncobj_find(9)
• drm_syncobj_add_point(9)
• drm_syncobj_replace_fence(9)
• drm_syncobj_assign_null_handle(9)
• drm_syncobj_find_fence(9)
• drm_syncobj_free(9)
• drm_syncobj_create(9)
• drm_syncobj_get_fd(9)
• drm_syncobj_open(9)
• drm_syncobj_release(9)
• drm_timeout_abs_to_jiffies(9)

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💀 reminder that drm_syncobj_get_handle pairs with drm_syncobj_create — the object has to exist first, bestie. no creating out of thin air, that's not the vibe 😤

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okay that's the page!! source location is ./drivers/gpu/drm and the date on this baby is October 2026 — mwah, slay, go export some syncobjs 💜🧚‍♀️🍓