1 use crate::{arch::asm::current::current_pcb, include::bindings::bindings::pt_regs}; 2 3 #[allow(dead_code)] 4 #[derive(Debug, Clone, Copy)] 5 #[repr(u8)] 6 pub enum PidType { 7 /// pid类型是进程id 8 PID = 1, 9 TGID = 2, 10 PGID = 3, 11 SID = 4, 12 MAX = 5, 13 } 14 15 /// 为PidType实现判断相等的trait 16 impl PartialEq for PidType { 17 fn eq(&self, other: &PidType) -> bool { 18 *self as u8 == *other as u8 19 } 20 } 21 22 /** 23 * @brief 获取当前进程的pid 24 */ 25 #[no_mangle] 26 pub extern "C" fn sys_getpid(_regs: &pt_regs) -> u64 { 27 return current_pcb().pid as u64; 28 } 29