[$] System-call wrappers for glibc
In a followup to his session at the 2025 Linux Plumbers Conference (LPC), Carlos O'Donell returned to the topic of system-call wrappers for the GNU C…
Why am I seeing this Ranked on source trust — LWN
It ranks mainly on source trust: LWN is the most reliable outlet we track on this subject, and is the only one on the story so far.
Single-sourced. No second organisation has confirmed it yet.
Link-outLink-out, because only one organisation carries it and no first-party source is on it and the subject could not be identified from the text. Link-out means we point at the publisher and say nothing of our own.
| Factor | Weight | Score | Contribution | Where it came from |
|---|---|---|---|---|
| Corroboration | 0.35 | 0.39 | +0.135 30% | 1 independent org on the story. Tier-3 aggregators never corroborate — they can show something is circulating, never that it is true. |
| Source trustleads | 0.25 | 0.85 | +0.212 47% | LWN is the highest-trust source on this story. Trust is taken from the best source, not averaged. |
| Pickup rate | 0.20 | 0.00 | +0.000 0% | One counted organisation, so there is no spread to measure — nothing has picked this up to set a rate. |
| Freshness | 0.20 | 0.55 | +0.109 24% | Halves every 10 hours from the newest item on the story. This is the only factor that rewards a story for nothing more than being recent. |
Corroboration counts distinct organisations, once each, and only from tiers 1 and 2. Freshness halves every 10 hours, so this ranking is a snapshot and will differ at the next build.
1stpangu · CC BY-SA 4.0 · Wikimedia Commons · illustrativeglibc maintainers Carlos O'Donell and Florian Weimer discussed the status of system-call wrappers at the 2025 Linux Plumbers Conference. The presentation followed up on O'Donell's previous session on the same topic from the prior year. The focus was on Linux system calls that currently lack glibc wrapper functions and remain accessible only through the syscall() interface.
The maintainers provided an update on progress made over the past year in addressing this gap. They outlined what has been accomplished since their last discussion of the issue.
The session included time for attendees to share their specific needs and use cases related to system-call wrapper availability. This feedback was intended to inform future development priorities for the glibc project.
What happened
In a followup to his session at the 2025 Linux Plumbers Conference (LPC), Carlos O'Donell returned to the topic of system-call wrappers for the GNU C library (glibc) at this year's event. This time around, he was joined by Florian Weimer, who is another glibc maintainer. The idea was to give an update on what has happened over the last year with regard to Linux system calls that lack a glibc wrapper, thus are only accessible via syscall(). In addition, they wanted to hear from attendees about their needs in this area.
How this story arrived
Ordered by when each source was first observed, which is what the velocity figure is computed from. Publishers backdate; observed order does not.
- 01 Lwn first seen [$] System-call wrappers for glibc
Overclock clusters coverage from independent sources and grades it automatically. The figures above are computed, not editorial. This page summarises and links to reporting by the outlets named — follow the links for the original work.