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Kernel: Add simplistic work queues

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We can't use deferred functions for anything that may require preemption,
such as copying from/to user or accessing the disk. For those purposes
we should use a work queue, which is essentially a kernel thread that
may be preempted or blocked.
This commit is contained in:
Tom 2021-02-05 23:36:38 -07:00 • committed by Andreas Kling
parent 314f04b896
commit 20cccda731
7 changed files with 182 additions and 1 deletions
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2
Kernel/Devices/AsyncDeviceRequest.h
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@ -37,6 +37,8 @@ namespace Kernel {
class Device;
extern WorkQueue* g_io_work;
class AsyncDeviceRequest : public RefCounted<AsyncDeviceRequest> {
AK_MAKE_NONCOPYABLE(AsyncDeviceRequest);
AK_MAKE_NONMOVABLE(AsyncDeviceRequest);