70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/includes/ke/runlevel.hh
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* DESCRIPTION: Running Level management support
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_KE_RUNLEVEL_HH
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#define __XTOSKRNL_KE_RUNLEVEL_HH
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#include <xtos.hh>
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/* Kernel Library */
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namespace KE
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{
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class RunLevel
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{
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public:
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STATIC XTFASTCALL KRUNLEVEL GetCurrentRunLevel(VOID);
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STATIC XTFASTCALL VOID LowerRunLevel(IN KRUNLEVEL RunLevel);
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STATIC XTFASTCALL KRUNLEVEL RaiseRunLevel(IN KRUNLEVEL RunLevel);
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};
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class LowerRunLevel
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{
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private:
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KRUNLEVEL PreviousRunLevel;
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public:
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LowerRunLevel(KRUNLEVEL RunLevel)
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{
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PreviousRunLevel = KE::RunLevel::GetCurrentRunLevel();
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KE::RunLevel::LowerRunLevel(RunLevel);
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}
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~LowerRunLevel()
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{
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KE::RunLevel::RaiseRunLevel(PreviousRunLevel);
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}
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LowerRunLevel(const LowerRunLevel&) = delete;
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LowerRunLevel& operator=(const LowerRunLevel&) = delete;
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};
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class RaiseRunLevel
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{
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private:
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KRUNLEVEL PreviousRunLevel;
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public:
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RaiseRunLevel(KRUNLEVEL RunLevel)
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{
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PreviousRunLevel = KE::RunLevel::GetCurrentRunLevel();
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KE::RunLevel::RaiseRunLevel(RunLevel);
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}
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~RaiseRunLevel()
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{
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KE::RunLevel::LowerRunLevel(PreviousRunLevel);
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}
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RaiseRunLevel(const RaiseRunLevel&) = delete;
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RaiseRunLevel& operator=(const RaiseRunLevel&) = delete;
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};
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}
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#endif /* __XTOSKRNL_KE_RUNLEVEL_HH */
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