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Kernel: Dispatch handle-able signals instead of crashing if possible

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This matches the behaviour of the other *nixs and allows processes to
try and recover from such signals in userland.
This commit is contained in:
Idan Horowitz 2021-11-30 01:07:59 +02:00
parent f415218afe
commit 40f64d7379
5 changed files with 23 additions and 10 deletions
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6
Kernel/Thread.cpp
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@ -802,6 +802,12 @@ bool Thread::has_signal_handler(u8 signal) const
return !action.handler_or_sigaction.is_null();
}
bool Thread::is_signal_masked(u8 signal) const
{
VERIFY(signal < 32);
return (1 << (signal - 1)) & m_signal_mask;
}
bool Thread::has_alternative_signal_stack() const
{
return m_alternative_signal_stack_size != 0;