vbg_hgcm_do_call(9)
β¨ vbg_hgcm_do_call(9) β¨
okay bestie, so this is a kernel API manual page β the vbg_hgcm_do_call(9) one β and it's literally all about performing a call and then waiting for it to complete. like, the whole vibe is "do the thing and stick around till it's done." π
πΈ NAME πΈ
vbg_hgcm_do_call β performs the call and the completion wait. yeah, it does both. main character energy fr fr. π
π SYNOPSIS π
int vbg_hgcm_do_call (struct vbg_dev *gdev , struct vmmdev_hgcm_call
*call , u32 timeout_ms , bool interruptible , bool *leak_it );
π¦ ARGUMENTS π¦
gdevβ the VBoxGuest device extension. that's your device context, bestie, the whole reason this works. β¨callβ the call to execute. like, the actual thing you're running. go off. π₯timeout_msβ timeout in ms. how long you're willing to wait before you're like "okay i'm done." β°interruptibleβ whether this call is interruptible. iykyk β if it'strue, signals can interrupt it; ngl this matters. πleak_itβ where to return the leak it / free it indicator. also known, iconically, as Cancellation fun. (that's literally what the original says and we're keeping it, periodt.) π
β RETURN β
returns 0 or a negative errno value. that's it. no cap. if it's 0 you're slaying, if it's negative it's giving error vibes. π
π SEE ALSO π
- Kernel file
./drivers/virt/vboxguest/vboxguest_utils.cβ the source, the origin story, the blueprint. π hgcm_call_preprocess(9)hgcm_call_linear_addr_type_to_pagelist_flags(9)hgcm_call_init_call(9)hgcm_cancel_call(9)hgcm_call_copy_back_result(9)
like, the whole friend group of related functions. obsessed. π«Ά
and that's the whole page, bestie!! special shoutout to the source path ./drivers/virt/vboxguest, the version date October 2026, and the vbg_hgcm_do_call(9) title β consider them properly hyped up. you ate this, fr. πβ¨π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms