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Add mechanism to expose kernel variables to userspace via ProcFS.

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Only booleans are supported at first. More types can be added easily.
Use this to add /proc/sys/wm_flash_flush which when enabled flashes pending
screen flush rects in yellow before they happen.
This commit is contained in:
Andreas Kling 2019-01-18 15:01:40 +01:00
parent 9454c5dd52
commit f7cc454162
8 changed files with 121 additions and 29 deletions
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3
Kernel/MemoryManager.h
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@ -15,6 +15,7 @@
class Process;
extern Process* current;
class SynthFSInode;
enum class PageFaultResponse {
ShouldCrash,
@ -166,7 +167,7 @@ class MemoryManager {
friend class PhysicalPage;
friend class Region;
friend class VMObject;
friend ByteBuffer procfs$mm();
friend ByteBuffer procfs$mm(SynthFSInode&);
public:
static MemoryManager& the() PURE;