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Kernel: Support pledge() with empty promises

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This tells the kernel that the process wants to use pledge, but without
pledging anything - effectively restricting it to syscalls that don't
require a certain promise. This is part of OpenBSD's pledge() as well,
which served as basis for Serenity's.
This commit is contained in:
Linus Groh 2021-01-25 22:42:36 +01:00 • committed by Andreas Kling
parent b580c005f1
commit 629180b7d8
2 changed files with 5 additions and 9 deletions
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3
Kernel/Process.h
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@ -467,7 +467,7 @@ public:
bool has_promises() const
{
return m_promises;
return m_has_promises;
}
bool has_promised(Pledge pledge) const
{
@ -637,6 +637,7 @@ private:
RefPtr<Timer> m_alarm_timer;
bool m_has_promises { false };
u32 m_promises { 0 };
u32 m_execpromises { 0 };