Fix conditional compilation for proc_pid_statm(5). (fixes #357) (again)

Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk
2026-03-09 04:04:25 +00:00
parent 0d43411447
commit e5d01a2045

View File

@@ -1,10 +1,8 @@
use std::{fs::File, io::Read, str};
use nix::sys::resource::Usage;
#[cfg(unix)]
use nix::sys::resource::{UsageWho, getrusage};
use crate::{Error, Result, arrayvec::ArrayVec, expected};
use crate::{Result, expected};
pub fn virt() -> Result<usize> {
Ok(statm_bytes()?
@@ -46,6 +44,10 @@ pub fn statm_bytes() -> Result<impl Iterator<Item = usize>> {
#[cfg(target_os = "linux")]
#[inline]
pub fn statm() -> Result<impl Iterator<Item = usize>> {
use std::{fs::File, io::Read, str};
use crate::{Error, arrayvec::ArrayVec};
File::open("/proc/self/statm")
.map_err(Error::from)
.and_then(|mut fp| {
@@ -66,7 +68,7 @@ pub fn statm() -> Result<impl Iterator<Item = usize>> {
#[cfg(not(target_os = "linux"))]
#[inline]
pub fn statm() -> Result<usize> { Err!("proc_pid_statm(5) only available on linux systems") }
pub fn statm() -> Result<impl Iterator<Item = usize>> { Ok([0, 0, 0, 0, 0, 0].into_iter()) }
#[cfg(unix)]
pub fn usage() -> Result<Usage> { getrusage(UsageWho::RUSAGE_SELF).map_err(Into::into) }
@@ -86,4 +88,6 @@ pub fn thread_usage() -> Result<Usage> { getrusage(UsageWho::RUSAGE_THREAD).map_
target_os = "freebsd",
target_os = "openbsd"
)))]
pub fn thread_usage() -> Result<Usage> { Ok(Usage::default()) }
pub fn thread_usage() -> Result<Usage> {
unimplemented!("RUSAGE_THREAD available on this platform")
}