Show HN: I've updated my Linux System Call website and API
0 comments
- Points238
- Comments58
–Rank now
#7Peak rank
6Days on list
149Score · 7d
Nov 2, 2026First seen
Rank · 7 days
On Hacker News
I first released those in back in 2020 and now I finally added more architectures, Kernel selector, syscall descriptions and a few other niceties. It should work a bit better on mobile devices too but I am no CSS expert. The API is at https://api.syscall.sh
- Points
- 238
- Comments
- 58
- Submitted by
- guitmz
- Posted
- Nov 2, 2026
- Site
- syscall.sh
Story details from Hacker News ↗ · linked article on syscall.sh.
Trending history
Show HN: I've updated my Linux System Call website and API was first seen on Hacker News · Front page on Nov 2, 2026. Since then it has appeared in 148 checks on 6 different days, across 3 lists (Hacker News · Front page, Hacker News · Show HN, Hacker News · Show HN · this week). Its best position was #7 of 30, reached on Nov 2, 21:07 UTC. It dropped off the list after Nov 8, 14:50 UTC.
Rank history
Position on Hacker News · Front page at every check (lower is better).
Last 14 days
Best rank per day (UTC).
7
7
Oct 26today
Metric history
Platform metric as reported by Hacker News.
Where it trended
| List | Best | Days | Checks | Last seen |
|---|---|---|---|---|
| Hacker News · Front page | #7 | 2 | 56 | |
| Hacker News · Show HN | #6 | 1 | 13 | |
| Hacker News · Show HN · this week | #10 | 4 | 79 |
From the discussion
A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.
It’s a side issue, but I’ve long thought that the kernel should duplicate every existing syscall that takes a null–terminated string by pointer with an otherwise identical syscall that takes the string by pointer, capacity, and length instead. It would be a huge boon to programs written in modern languages. I keep…
Would also recommend using commands like: echo '#include <sys/syscall.h>' | gcc -E -dM -xc - | grep -i "read" To get the real values on your PC to make sure. I had LLMs give wrong numbers or constant definitions several times but getting it to generate a command like this and seeing it for myself works every time.…
On x86_64 and x32, the syscall number goes in eax, not rax. The upper 32 bits of rax are ignored and can be anything.
Featured in
Archived daily, weekly and monthly lists that include this entry.
Hacker News 2 days, best #7
Show HN 1 day, best #6
Questions
Is Show HN: I've updated my Linux System Call website and API trending on Hacker News right now?
Not at the moment. It was last on the list on Nov 8, 14:50 UTC, after 6 days of trending.
What is the highest rank Show HN: I've updated my Linux System Call website and API reached?
#7 on Hacker News · Front page, on Nov 2, 21:07 UTC. Trendoday checks this list every 15 minutes.
How long has Show HN: I've updated my Linux System Call website and API been trending?
It was first seen on Nov 2, 2026 and has been on the list on 6 days (148 checks) since.
How much discussion did it get on Hacker News?
238 points and 58 comments; submitted by guitmz on Nov 2, 2026.