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Kernel: Make Process's m_promises & m_execpromises fields atomic

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This is essentially free on x86 and allows us to not hold the big
process lock just to check the required promises for a syscall.
This commit is contained in:
Idan Horowitz 2021-08-06 15:12:33 +03:00 • committed by Andreas Kling
parent 868be680c2
commit c3f668a758
4 changed files with 12 additions and 12 deletions
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8
Kernel/Process.h
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@ -92,10 +92,10 @@ protected:
gid_t m_sgid { 0 };
Vector<gid_t> m_extra_gids;
bool m_dumpable { false };
bool m_has_promises { false };
u32 m_promises { 0 };
bool m_has_execpromises { false };
u32 m_execpromises { 0 };
Atomic<bool> m_has_promises { false };
Atomic<u32> m_promises { 0 };
Atomic<bool> m_has_execpromises { false };
Atomic<u32> m_execpromises { 0 };
mode_t m_umask { 022 };
VirtualAddress m_signal_trampoline;
Atomic<u32> m_thread_count { 0 };