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Kernel: Send SIGSEGV on seg-fault

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Now programs can catch the SIGSEGV signal when they segfault.

This commit also introduced the send_urgent_signal_to_self method,
which is needed to send signals to a thread when handling exceptions
caused by the same thread.
This commit is contained in:
Drew Stratford 2019-10-07 22:22:50 +13:00 • committed by Andreas Kling
parent 7fc903b97a
commit c136fd3fe2
3 changed files with 31 additions and 0 deletions
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2
Kernel/Thread.h
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@ -273,6 +273,7 @@ public:
void set_selector(u16 s) { m_far_ptr.selector = s; }
void set_state(State);
void send_urgent_signal_to_self(u8 signal);
void send_signal(u8 signal, Process* sender);
void consider_unblock(time_t now_sec, long now_usec);
@ -283,6 +284,7 @@ public:
bool has_unmasked_pending_signals() const;
void terminate_due_to_signal(u8 signal);
bool should_ignore_signal(u8 signal) const;
bool has_signal_handler(u8 signal) const;
FPUState& fpu_state() { return *m_fpu_state; }
bool has_used_fpu() const { return m_has_used_fpu; }