Tateisi/rcore-tutorial
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add MutexBlocking.

Browse source
This commit is contained in:
Yifan Wu 2021-10-07 14:33:44 -07:00
parent 8974a29245
commit db6a93e60d
11 changed files with 119 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

10
os/src/syscall/sync.rs
View file

@ -1,8 +1,8 @@
use crate::task::current_process;
use crate::sync::MutexSpin;
use crate::sync::{MutexSpin, MutexBlocking};
use alloc::sync::Arc;
pub fn sys_mutex_create() -> isize {
pub fn sys_mutex_create(blocking: bool) -> isize {
let process = current_process();
let mut process_inner = process.inner_exclusive_access();
if let Some(id) = process_inner
@ -11,7 +11,11 @@ pub fn sys_mutex_create() -> isize {
.enumerate()
.find(|(_, item)| item.is_none())
.map(|(id, _)| id) {
process_inner.mutex_list[id] = Some(Arc::new(MutexSpin::new()));
process_inner.mutex_list[id] = if !blocking {
Some(Arc::new(MutexSpin::new()))
} else {
Some(Arc::new(MutexBlocking::new()))
};
id as isize
} else {
process_inner.mutex_list.push(Some(Arc::new(MutexSpin::new())));