[pbs-devel] [PATCH proxmox v2 07/12] sys: remove lazy_static dependency

[Maximiliano Sandoval <m.sandoval@proxmox.com>]

Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
---
 proxmox-sys/Cargo.toml              |  2 +-
 proxmox-sys/src/lib.rs              | 29 ++++++++++++++---------------
 proxmox-sys/src/linux/procfs/mod.rs | 13 ++++---------
 3 files changed, 19 insertions(+), 25 deletions(-)

diff --git a/proxmox-sys/Cargo.toml b/proxmox-sys/Cargo.toml
index 4022228c..c5d2bd87 100644
--- a/proxmox-sys/Cargo.toml
+++ b/proxmox-sys/Cargo.toml
@@ -6,13 +6,13 @@ edition.workspace = true
 license.workspace = true
 repository.workspace = true
 description = "System tools (using nix)."
+rust-version.workspace = true
 
 exclude.workspace = true
 
 [dependencies]
 anyhow.workspace = true
 base64.workspace = true
-lazy_static.workspace = true
 libc.workspace = true
 log.workspace = true
 nix.workspace = true
diff --git a/proxmox-sys/src/lib.rs b/proxmox-sys/src/lib.rs
index a16b46e3..c75cd69f 100644
--- a/proxmox-sys/src/lib.rs
+++ b/proxmox-sys/src/lib.rs
@@ -2,6 +2,7 @@
 
 use std::os::fd::{FromRawFd, OwnedFd};
 use std::os::unix::ffi::OsStrExt;
+use std::sync::LazyLock;
 
 pub mod boot_mode;
 pub mod command;
@@ -20,21 +21,19 @@ pub mod systemd;
 
 /// Returns the hosts node name (UTS node name)
 pub fn nodename() -> &'static str {
-    lazy_static::lazy_static! {
-        static ref NODENAME: String = {
-            std::str::from_utf8(
-                nix::sys::utsname::uname()
-                    .expect("failed to get nodename")
-                    .nodename()
-                    .as_bytes(),
-            )
-            .expect("non utf-8 nodename not supported")
-            .split('.')
-            .next()
-            .unwrap()
-            .to_owned()
-        };
-    }
+    static NODENAME: LazyLock<String> = LazyLock::new(|| {
+        std::str::from_utf8(
+            nix::sys::utsname::uname()
+                .expect("failed to get nodename")
+                .nodename()
+                .as_bytes(),
+        )
+        .expect("non utf-8 nodename not supported")
+        .split('.')
+        .next()
+        .unwrap()
+        .to_owned()
+    });
 
     &NODENAME
 }
diff --git a/proxmox-sys/src/linux/procfs/mod.rs b/proxmox-sys/src/linux/procfs/mod.rs
index 6c436c74..0875fcf8 100644
--- a/proxmox-sys/src/linux/procfs/mod.rs
+++ b/proxmox-sys/src/linux/procfs/mod.rs
@@ -5,11 +5,10 @@ use std::fs::OpenOptions;
 use std::io::{BufRead, BufReader};
 use std::net::{Ipv4Addr, Ipv6Addr};
 use std::str::FromStr;
-use std::sync::RwLock;
+use std::sync::{LazyLock, RwLock};
 use std::time::Instant;
 
 use anyhow::{bail, format_err, Error};
-use lazy_static::lazy_static;
 use nix::unistd::Pid;
 use serde::Serialize;
 
@@ -27,9 +26,7 @@ pub fn sysconf(name: i32) -> i64 {
     unsafe { sysconf(name) }
 }
 
-lazy_static! {
-    pub static ref CLOCK_TICKS: f64 = sysconf(libc::_SC_CLK_TCK) as f64;
-}
+pub static CLOCK_TICKS: LazyLock<f64> = LazyLock::new(|| sysconf(libc::_SC_CLK_TCK) as f64);
 
 /// Selected contents of the `/proc/PID/stat` file.
 pub struct PidStat {
@@ -223,10 +220,8 @@ pub struct ProcFsStat {
     pub iowait_percent: f64,
 }
 
-lazy_static! {
-    static ref PROC_LAST_STAT: RwLock<(ProcFsStat, Instant, bool)> =
-        RwLock::new((ProcFsStat::default(), Instant::now(), true));
-}
+static PROC_LAST_STAT: LazyLock<RwLock<(ProcFsStat, Instant, bool)>> =
+    LazyLock::new(|| RwLock::new((ProcFsStat::default(), Instant::now(), true)));
 
 /// reads `/proc/stat`. For now only total host CPU usage is handled as the
 /// other metrics are not really interesting
-- 
2.39.2



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