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Kernel+LibC: Implement sigaltstack()

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This is required for compiling wine for serenity
This commit is contained in:
Idan Horowitz 2021-10-28 23:33:41 +03:00
parent d5d0eb45bf
commit f415218afe
9 changed files with 229 additions and 2 deletions
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5
Kernel/Thread.h
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@ -1026,6 +1026,9 @@ public:
u32 pending_signals() const;
u32 pending_signals_for_state() const;
[[nodiscard]] bool has_alternative_signal_stack() const;
[[nodiscard]] bool is_in_alternative_signal_stack() const;
FPUState& fpu_state() { return m_fpu_state; }
ErrorOr<void> make_thread_specific_region(Badge<Process>);
@ -1295,6 +1298,8 @@ private:
u32 m_ticks_in_kernel { 0 };
u32 m_pending_signals { 0 };
u32 m_signal_mask { 0 };
FlatPtr m_alternative_signal_stack { 0 };
FlatPtr m_alternative_signal_stack_size { 0 };
FlatPtr m_kernel_stack_base { 0 };
FlatPtr m_kernel_stack_top { 0 };
OwnPtr<Memory::Region> m_kernel_stack_region;