diff options
Diffstat (limited to 'Kernel/Thread.cpp')
| -rw-r--r-- | Kernel/Thread.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp index bf0dcaac4e..8f21bef644 100644 --- a/Kernel/Thread.cpp +++ b/Kernel/Thread.cpp @@ -872,12 +872,18 @@ Thread::BlockResult Thread::wait_on(WaitQueue& queue, const char* reason, timeva // we need to wait until the scheduler lock is released again { ScopedSpinLock sched_lock(g_scheduler_lock); + if (!queue.enqueue(*Thread::current())) { + // The WaitQueue was already requested to wake someone when + // nobody was waiting. So return right away as we shouldn't + // be waiting + return BlockResult::NotBlocked; + } + did_unlock = unlock_process_if_locked(); if (lock) *lock = false; set_state(State::Queued); m_wait_reason = reason; - queue.enqueue(*Thread::current()); if (timeout) { |