1 use crate::arch::asm::current::current_pcb; 2 3 /// @brief 增加进程的锁持有计数 4 #[inline] preempt_disable()5pub fn preempt_disable() { 6 current_pcb().preempt_count += 1; 7 } 8 9 /// @brief 减少进程的锁持有计数 10 #[inline] preempt_enable()11pub fn preempt_enable() { 12 current_pcb().preempt_count -= 1; 13 } 14