add missing function to get the latest error number

hermit-os · Feb 28, 2024 · cb94f6c · cb94f6c
1 parent 9fc053d
commit cb94f6c
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diff --git a/hermit-abi/Cargo.toml b/hermit-abi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hermit-abi"
-version = "0.3.8"
+version = "0.3.9"
 authors = ["Stefan Lankes"]
 license = "MIT OR Apache-2.0"
 edition = "2021"

diff --git a/hermit-abi/src/lib.rs b/hermit-abi/src/lib.rs
@@ -337,6 +337,10 @@ pub const S_IFMT: u32 = 0xF000;
 
 // sysmbols, which are part of the library operating system
 extern "C" {
+	/// Get the last error number from the thread local storage
+	#[link_name = "sys_get_errno"]
+	pub fn get_errno() -> i32;
+
 	/// If the value at address matches the expected value, park the current thread until it is either
 	/// woken up with [`futex_wake`] (returns 0) or an optional timeout elapses (returns -ETIMEDOUT).
 	///