forked from Bananymous/banan-os
30 lines
412 B
C++
30 lines
412 B
C++
#pragma once
|
|
|
|
#include <BAN/NoCopyMove.h>
|
|
|
|
#include <stddef.h>
|
|
|
|
namespace Kernel
|
|
{
|
|
|
|
class CriticalScope
|
|
{
|
|
BAN_NON_COPYABLE(CriticalScope);
|
|
BAN_NON_MOVABLE(CriticalScope);
|
|
|
|
public:
|
|
CriticalScope()
|
|
{
|
|
asm volatile("pushf; cli; pop %0" : "=r"(m_flags) :: "memory");
|
|
}
|
|
|
|
~CriticalScope()
|
|
{
|
|
asm volatile("push %0; popf" :: "rm"(m_flags) : "memory", "cc");
|
|
}
|
|
|
|
private:
|
|
size_t m_flags;
|
|
};
|
|
|
|
} |