From 12958bbfaf75b473da005bbb5b27520c4a88de56 Mon Sep 17 00:00:00 2001
From: Georg Buschbeck <gb@viingx.com>
Date: Sat, 14 Dec 2024 17:22:55 +0100
Subject: [PATCH] support for 32bit environenments like xtensa, mips ..

Signed-off-by: Georg Buschbeck <gb@viingx.com>
---
 Cargo.toml       | 3 +++
 src/atomic64.rs  | 5 +++++
 src/histogram.rs | 7 ++++++-
 src/timer.rs     | 6 +++++-
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index a62b6296..3b9bed95 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,6 +32,9 @@ memchr = "^2.3"
 reqwest = { version = "^0.12", features = ["blocking"], optional = true }
 thiserror = "^1.0"
 
+[target.'cfg(any(target_arch = "powerpc", target_arch = "mips", target_arch = "xtensa"))'.dependencies]
+portable-atomic = "1.10.0"
+
 [target.'cfg(target_os = "linux")'.dependencies]
 procfs = { version = "^0.16", optional = true, default-features = false }
 
diff --git a/src/atomic64.rs b/src/atomic64.rs
index 0c653c51..85a33aea 100644
--- a/src/atomic64.rs
+++ b/src/atomic64.rs
@@ -4,8 +4,13 @@
 use std::cmp::*;
 use std::f64;
 use std::ops::*;
+#[cfg(not(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa")))]
 use std::sync::atomic::{AtomicI64 as StdAtomicI64, AtomicU64 as StdAtomicU64, Ordering};
 
+#[cfg(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa"))]
+use portable_atomic::{AtomicI64 as StdAtomicI64, AtomicU64 as StdAtomicU64, Ordering};
+
+
 /// An interface for numbers. Used to generically model float metrics and integer metrics, i.e.
 /// [`Counter`](crate::Counter) and [`IntCounter`](crate::Counter).
 pub trait Number:
diff --git a/src/histogram.rs b/src/histogram.rs
index 78480541..dd8adfa7 100644
--- a/src/histogram.rs
+++ b/src/histogram.rs
@@ -5,10 +5,15 @@ use std::cell::RefCell;
 use std::collections::HashMap;
 use std::convert::From;
 use std::sync::{
-    atomic::{AtomicU64 as StdAtomicU64, Ordering},
     Arc, Mutex,
 };
+
+#[cfg(not(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa")))]
+use std::sync::atomic::{AtomicU64 as StdAtomicU64, Ordering};
+
 use std::time::{Duration, Instant as StdInstant};
+#[cfg(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa"))]
+use portable_atomic::{AtomicU64 as StdAtomicU64, Ordering};
 
 use crate::atomic64::{Atomic, AtomicF64, AtomicU64};
 use crate::desc::{Desc, Describer};
diff --git a/src/timer.rs b/src/timer.rs
index 7530c72d..b60531ef 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -1,4 +1,8 @@
-use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
+#[cfg(not(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa")))]
+use std::sync::atomic::{AtomicBool,AtomicU64, Ordering};
+#[cfg(any(target_arch = "mips", target_arch = "powerpc", target_arch = "xtensa"))]
+use portable_atomic::{AtomicBool,AtomicU64, Ordering};
+
 use std::thread;
 use std::time::{Duration, Instant};