1 files changed, 35 insertions, 5 deletions
diff --git a/src/poisonable.rs b/src/poisonable.rs
index 8dada90..d81b876 100755
--- a/src/poisonable.rs
+++ b/src/poisonable.rs
@@ -1,5 +1,5 @@
-use std::marker::PhantomData;
-use std::sync::atomic::AtomicBool;
+use core::marker::PhantomData;
+use core::sync::atomic::AtomicBool;
 
 use crate::ThreadKey;
 
@@ -68,7 +68,7 @@ pub struct Poisonable<L> {
 /// [`LockCollection`]: `crate::LockCollection`
 pub struct PoisonRef<'a, G> {
 	guard: G,
-	#[cfg(panic = "unwind")]
+	#[cfg(all(feature = "std", panic = "unwind"))]
 	flag: &'a PoisonFlag,
 	_phantom: PhantomData<&'a ()>,
 }
@@ -137,13 +137,19 @@ pub type TryLockPoisonableResult<'flag, G> =
 
 #[cfg(test)]
 mod tests {
+	#[cfg(feature = "std")]
 	use std::sync::Arc;
 
+	use alloc::vec::Vec;
+
 	use super::*;
 	use crate::lockable::Lockable as _;
-	use crate::{LockCollection, Mutex, RwLock, ThreadKey};
+	use crate::Mutex;
+	#[cfg(feature = "std")]
+	use crate::{LockCollection, RwLock, ThreadKey};
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn locking_poisoned_mutex_returns_error_in_collection() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = LockCollection::new(Poisonable::new(Mutex::new(42)));
@@ -169,6 +175,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn locking_poisoned_rwlock_returns_error_in_collection() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = LockCollection::new(Poisonable::new(RwLock::new(42)));
@@ -202,6 +209,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn non_poisoned_get_mut_is_err() {
 		let mut mutex = Poisonable::new(Mutex::new(42));
 
@@ -226,6 +234,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn poisoned_into_inner() {
 		let mutex = Poisonable::from(Mutex::new("foo"));
 
@@ -250,6 +259,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn poisoned_into_child() {
 		let mutex = Poisonable::from(Mutex::new("foo"));
 
@@ -268,6 +278,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_lock_can_poison() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = Poisonable::new(Mutex::new(42));
@@ -292,6 +303,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_try_lock_can_fail() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = Poisonable::new(Mutex::new(42));
@@ -309,6 +321,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_try_lock_can_succeed() {
 		let rwlock = Poisonable::new(RwLock::new(42));
 
@@ -324,6 +337,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_read_can_poison() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = Poisonable::new(RwLock::new(42));
@@ -348,6 +362,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_try_read_can_fail() {
 		let key = ThreadKey::get().unwrap();
 		let rwlock = Poisonable::new(RwLock::new(42));
@@ -365,6 +380,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn scoped_try_read_can_succeed() {
 		let rwlock = Poisonable::new(RwLock::new(42));
 
@@ -380,6 +396,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn display_works() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = Poisonable::new(Mutex::new("Hello, world!"));
@@ -390,6 +407,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn ref_as_ref() {
 		let key = ThreadKey::get().unwrap();
 		let collection = LockCollection::new(Poisonable::new(Mutex::new("foo")));
@@ -401,6 +419,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn ref_as_mut() {
 		let key = ThreadKey::get().unwrap();
 		let collection = LockCollection::new(Poisonable::new(Mutex::new("foo")));
@@ -418,6 +437,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn guard_as_ref() {
 		let key = ThreadKey::get().unwrap();
 		let collection = Poisonable::new(Mutex::new("foo"));
@@ -429,6 +449,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn guard_as_mut() {
 		let key = ThreadKey::get().unwrap();
 		let mutex = Poisonable::new(Mutex::new("foo"));
@@ -446,6 +467,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn deref_mut_in_collection() {
 		let key = ThreadKey::get().unwrap();
 		let collection = LockCollection::new(Poisonable::new(Mutex::new(42)));
@@ -469,10 +491,14 @@ mod tests {
 		poisonable.get_ptrs(&mut lock_ptrs);
 
 		assert_eq!(lock_ptrs.len(), 1);
-		assert!(std::ptr::addr_eq(lock_ptrs[0], &raw const poisonable.inner));
+		assert!(core::ptr::addr_eq(
+			lock_ptrs[0],
+			&raw const poisonable.inner
+		));
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn clear_poison_for_poisoned_mutex() {
 		let mutex = Arc::new(Poisonable::new(Mutex::new(0)));
 		let c_mutex = Arc::clone(&mutex);
@@ -497,6 +523,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn clear_poison_for_poisoned_rwlock() {
 		let lock = Arc::new(Poisonable::new(RwLock::new(0)));
 		let c_mutex = Arc::clone(&lock);
@@ -522,6 +549,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn error_as_ref() {
 		let mutex = Poisonable::new(Mutex::new("foo"));
 
@@ -543,6 +571,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn error_as_mut() {
 		let mutex = Poisonable::new(Mutex::new("foo"));
 
@@ -570,6 +599,7 @@ mod tests {
 	}
 
 	#[test]
+	#[cfg(feature = "std")]
 	fn try_error_from_lock_error() {
 		let mutex = Poisonable::new(Mutex::new("foo"));