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Kernel: Release the big process lock while yielding in sys$yield()

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Otherwise, a thread calling sched_yield() will prevent other threads
in that process from entering the kernel.
This commit is contained in:
Andreas Kling 2019-11-16 12:18:59 +01:00
parent 39e2b69153
commit 73d6a69b3f
3 changed files with 5 additions and 8 deletions
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4
Kernel/Thread.h
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@ -267,7 +267,7 @@ public:
set_state(Thread::Blocked);
// Yield to the scheduler, and wait for us to resume unblocked.
block_helper();
yield_without_holding_big_lock();
// We should no longer be blocked once we woke up
ASSERT(state() != Thread::Blocked);
@ -380,7 +380,7 @@ private:
bool m_dump_backtrace_on_finalization { false };
bool m_should_die { false };
void block_helper();
void yield_without_holding_big_lock();
};
HashTable<Thread*>& thread_table();