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Thread: Return a result from block() indicating why the block terminated

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And use this to return EINTR in various places; some of which we were
not handling properly before.

This might expose a few bugs in userspace, but should be more compatible
with other POSIX systems, and is certainly a little cleaner.
This commit is contained in:
Robin Burchell 2019-07-20 11:05:52 +02:00 • committed by Andreas Kling
parent 56217c7432
commit 833d444cd8
9 changed files with 73 additions and 38 deletions
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3
Kernel/Scheduler.cpp
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@ -309,7 +309,8 @@ bool Scheduler::pick_next()
return IterationDecision::Continue;
if (was_blocked) {
dbgprintf("Unblock %s(%u) due to signal\n", thread.process().name().characters(), thread.pid());
thread.m_was_interrupted_while_blocked = true;
ASSERT(thread.m_blocker);
thread.m_blocker->set_interrupted_by_signal();
thread.unblock();
}
return IterationDecision::Continue;