1 use crate::include::bindings::bindings::{process_control_block, switch_proc};
2 
3 use core::sync::atomic::compiler_fence;
4 
5 /// @brief 切换进程的上下文（没有切换页表的动作）
6 ///
7 /// @param next 下一个进程的pcb
8 /// @param trap_frame 中断上下文的栈帧
9 #[inline(always)]
switch_process( prev: &'static mut process_control_block, next: &'static mut process_control_block, )10 pub fn switch_process(
11     prev: &'static mut process_control_block,
12     next: &'static mut process_control_block,
13 ) {
14     compiler_fence(core::sync::atomic::Ordering::SeqCst);
15     unsafe {
16         switch_proc(prev, next);
17     }
18     compiler_fence(core::sync::atomic::Ordering::SeqCst);
19 }
20