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实现SystemV共享内存 (#690)

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* 实现SystemV共享内存

* 测试shm

* 添加测试程序

* 完善细节

* 修正shm的时间数据错误的问题

* fix: devfs的metadata权限为0x777的错误

---------

Co-authored-by: longjin <longjin@DragonOS.org>
This commit is contained in:
Jomo
2024-04-07 14:04:19 +08:00
committed by GitHub
parent eb49bb993a
commit 6fc066ac11
49 changed files with 1567 additions and 202 deletions
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3
kernel/src/arch/x86_64/mm/mod.rs
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@ -602,7 +602,8 @@ pub fn test_buddy() {
pub struct LockedFrameAllocator;
impl FrameAllocator for LockedFrameAllocator {
unsafe fn allocate(&mut self, count: PageFrameCount) -> Option<(PhysAddr, PageFrameCount)> {
unsafe fn allocate(&mut self, mut count: PageFrameCount) -> Option<(PhysAddr, PageFrameCount)> {
count = count.next_power_of_two();
if let Some(ref mut allocator) = *INNER_ALLOCATOR.lock_irqsave() {
return allocator.allocate(count);
} else {