修复小bug、注释

Author: foxg1ove1

machines/qemu-virt-riscv64/rust/core/src/api/libloading.rs

@@ -148,7 +148,7 @@ impl Library {
         let h = self.handle;
         forget(self);
         let rc = libc::dlclose(h);
-        if rc != 0 {
+        if rc == 1 {
             Ok(())
         } else {
             Err(DlError::Close(rc))

machines/qemu-virt-riscv64/rust/core/src/api/mod.rs

@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     API module
+ */
 pub mod base;
 pub mod interrupt;
 pub mod mem;

machines/qemu-virt-riscv64/rust/core/src/bindings/mod.rs

@@ -1,4 +1,78 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Bindings module
+ */
 pub mod libc;
 pub mod librt;
 
- pub use librt::*;
+// Explicitly re-export only the needed items from librt to avoid namespace pollution.
+// Basic RT-Thread types
+pub use librt::{
+    rt_base_t, rt_ubase_t, rt_err_t, rt_uint32_t, rt_int32_t, rt_uint8_t, 
+    rt_tick_t, rt_size_t, rt_thread_t, rt_sem_t, rt_mutex_t, rt_device_t, rt_mq_t
+};
+
+// RT-Thread error codes
+pub use librt::{
+    RT_EOK, RT_ERROR, RT_ETIMEOUT, RT_EFULL, RT_EEMPTY, RT_ENOMEM, 
+    RT_ENOSYS, RT_EBUSY, RT_EIO, RT_EINTR, RT_EINVAL
+};
+
+// Thread management functions
+pub use librt::{
+    rt_thread_create, rt_thread_delete, rt_thread_startup, rt_thread_self,
+    rt_thread_yield, rt_thread_delay, rt_thread_mdelay, rt_thread_suspend, rt_thread_resume
+};
+
+// Semaphore management functions
+pub use librt::{
+    rt_sem_create, rt_sem_delete, rt_sem_take, rt_sem_trytake, rt_sem_release
+};
+
+// Mutex management functions
+pub use librt::{
+    rt_mutex_create, rt_mutex_delete, rt_mutex_take, rt_mutex_release
+};
+
+// Message queue management functions
+pub use librt::{
+    rt_mq_create, rt_mq_send, rt_mq_send_wait, rt_mq_recv, rt_mq_delete, rt_mq_detach
+};
+
+// Memory management functions
+pub use librt::{
+    rt_malloc, rt_free, rt_realloc, rt_calloc, rt_malloc_align, rt_free_align,
+    rt_safe_malloc, rt_safe_free
+};
+
+// Device management functions
+pub use librt::{
+    rt_device_find, rt_device_open, rt_device_close, rt_device_read, 
+    rt_device_write, rt_device_control
+};
+
+// System tick functions
+pub use librt::{
+    rt_tick_get, rt_tick_from_millisecond
+};
+
+// Debug output functions
+pub use librt::{
+    rt_kprintf, rt_kputs
+};
+
+// Interrupt management functions
+pub use librt::{
+    rt_hw_interrupt_disable, rt_hw_interrupt_enable, rt_cpus_lock, rt_cpus_unlock,
+    rt_interrupt_enter, rt_interrupt_leave, rt_interrupt_get_nest
+};
+
+// Object management functions
+pub use librt::{
+    rt_object_get_type, rt_object_find
+};

machines/qemu-virt-riscv64/rust/core/src/libloader.rs

@@ -43,7 +43,6 @@ pub unsafe fn dl_sym<'lib, T>(lib: &'lib Library, symbol: *const c_char) -> Resu
 
 /// Print the last libdl error using RT-Thread `printf`.
 pub fn dl_print_last_error() {
-    // 使用 println! 更符合当前输出宏
     println!("libdl error: {}", libloading::DlError::Open(last_error()));
 }
 

machines/qemu-virt-riscv64/rust/core/src/panic.rs

@@ -58,5 +58,8 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
 #[linkage = "weak"]
 #[unsafe(no_mangle)]
 fn __rust_panic() -> ! {
+    // Default weak panic handler: intentionally loops forever to halt execution.
+    // Override this function for custom panic behavior.
+    print!("Entered weak panic handler: system will halt.");
     loop {}
 }

machines/qemu-virt-riscv64/rust/core/src/param.rs

@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Parameter module
+ */
+
 use alloc::vec::Vec;
 use core::iter::IntoIterator;
 use core::ops::Deref;

machines/qemu-virt-riscv64/rust/core/src/prelude/mod.rs

@@ -1,2 +1,11 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Prelude module
+ */
 #[path = "no_std.rs"]
 pub mod v1;

machines/qemu-virt-riscv64/rust/core/src/prelude/no_std.rs

@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Prelude module
+ */
 pub use core::cell::RefCell;
 pub use core::cell::UnsafeCell;
 pub use core::cmp::*;

machines/qemu-virt-riscv64/rust/core/src/sem.rs

@@ -72,7 +72,9 @@ impl Semaphore {
     pub fn release(&self) {
         semaphore_release(self.sem);
     }
+}
 
+impl Drop for Semaphore {
     fn drop(&mut self) {
         semaphore_delete(self.sem)
     }