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Kernel: Plumb OOM propagation through Custody factory
Modify the Custody::create(..) API so it has the ability to propagate OOM back to the caller.
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parent
fb93535419
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0b7395848a
3 changed files with 27 additions and 7 deletions
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@ -11,6 +11,7 @@
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#include <AK/String.h>
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#include <Kernel/Forward.h>
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#include <Kernel/Heap/SlabAllocator.h>
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#include <Kernel/KResult.h>
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namespace Kernel {
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@ -19,9 +20,13 @@ namespace Kernel {
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class Custody : public RefCounted<Custody> {
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MAKE_SLAB_ALLOCATED(Custody)
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public:
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static NonnullRefPtr<Custody> create(Custody* parent, const StringView& name, Inode& inode, int mount_flags)
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static KResultOr<NonnullRefPtr<Custody>> create(Custody* parent, const StringView& name, Inode& inode, int mount_flags)
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{
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return adopt_ref(*new Custody(parent, name, inode, mount_flags));
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auto custody = new Custody(parent, name, inode, mount_flags);
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if (!custody)
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return ENOMEM;
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return adopt_ref(*custody);
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}
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~Custody();
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