Adding Rust Language Support for RT-Thread #10910

1 files changed, 51 insertions, 0 deletions

diff --git a/components/rust/core/src/api/sem.rs b/components/rust/core/src/api/sem.rs
new file mode 100644
index 0000000000..43c21978d2
--- /dev/null
+++ b/components/rust/core/src/api/sem.rs
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2006-2025, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Semaphore API
+ */
+use crate::api::RttCResult;
+use crate::bindings::*;
+use core::ptr;
+use alloc::ffi::CString;
+
+pub type APIRawSem = rt_sem_t;
+
+ #[inline]
+pub(crate) fn semaphore_create(name: &str) -> Option<APIRawSem> {
+    let s = CString::new(name).unwrap();
+    let raw;
+    unsafe {
+        raw = rt_sem_create(s.as_ptr(), 0, 0);
+    }
+    return if raw == ptr::null_mut() {
+        None
+    } else {
+        Some(raw)
+    };
+}
+
+ #[inline]
+pub(crate) fn semaphore_try_take(handle: APIRawSem) -> RttCResult {
+    unsafe { rt_sem_trytake(handle).into() }
+}
+
+ #[inline]
+pub(crate) fn semaphore_take(handle: APIRawSem, tick: u32) -> RttCResult {
+    unsafe { rt_sem_take(handle, tick).into() }
+}
+
+ #[inline]
+pub(crate) fn semaphore_release(handle: APIRawSem) -> RttCResult {
+    unsafe { rt_sem_release(handle).into() }
+}
+
+ #[inline]
+pub(crate) fn semaphore_delete(handle: APIRawSem) {
+    unsafe {
+        let _ = rt_sem_delete(handle);
+    }
+}