Lib.rs

› Asynchronous | Web programming › HTTP server › Deno
#deno #family #api #host-name #run-time #loadavg #mem-info

deno_os

OS specific APIs for Deno

by Bartek Iwańczuk, David Sherret, denobot and 96 contributors

8 releases (breaking)

new 0.8.0 Feb 18, 2025
0.7.0 Feb 13, 2025
0.6.0 Jan 31, 2025
0.5.0 Jan 30, 2025
0.1.0 Jan 13, 2025

#439 in Asynchronous

Download history 40/week @ 2025-01-07 557/week @ 2025-01-14 549/week @ 2025-01-21 817/week @ 2025-01-28 561/week @ 2025-02-04 687/week @ 2025-02-11

2,668 downloads per month
Used in 11 crates (2 directly)

MIT license

320KB
9K SLoC

Rust 8K SLoC // 0.0% comments TypeScript 1K SLoC // 0.0% comments JavaScript 192 SLoC // 0.1% comments

deno_os

This crate implements OS specific APIs for Deno

loadavg

Target family Syscall Description
Linux sysinfo -
Windows - Returns DEFAULT_LOADAVG. There is no concept of loadavg on Windows
macOS, BSD getloadavg https://www.freebsd.org/cgi/man.cgi?query=getloadavg

os_release

Target family Syscall Description
Linux /proc/sys/kernel/osrelease -
Windows RtlGetVersion dwMajorVersion . dwMinorVersion . dwBuildNumber
macOS sysctl([CTL_KERN, KERN_OSRELEASE]) -

hostname

Target family Syscall Description
Unix gethostname(sysconf(_SC_HOST_NAME_MAX)) -
Windows GetHostNameW -

mem_info

Target family Syscall Description
Linux sysinfo and /proc/meminfo -
Windows sysinfoapi::GlobalMemoryStatusEx -
macOS 
 sysctl([CTL_HW, HW_MEMSIZE]); 
 sysctl([CTL_VM, VM_SWAPUSAGE]); 
 host_statistics64(mach_host_self(), HOST_VM_INFO64)
-

Dependencies

~113MB
~2.5M SLoC