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Kernel: Handle OOM from DoubleBuffer creation in FIFO creation

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This commit is contained in:
Brian Gianforcaro 2021-08-01 02:30:52 -07:00 • committed by Andreas Kling
parent 15cd5d324c
commit 8d3b819daf
4 changed files with 25 additions and 16 deletions
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6
Kernel/FileSystem/FIFO.h
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@ -24,7 +24,7 @@ public:
Writer
};
static NonnullRefPtr<FIFO> create(uid_t);
static RefPtr<FIFO> try_create(uid_t);
virtual ~FIFO() override;
uid_t uid() const { return m_uid; }
@ -49,11 +49,11 @@ private:
virtual StringView class_name() const override { return "FIFO"; }
virtual bool is_fifo() const override { return true; }
explicit FIFO(uid_t);
explicit FIFO(uid_t, NonnullOwnPtr<DoubleBuffer> buffer);
unsigned m_writers { 0 };
unsigned m_readers { 0 };
DoubleBuffer m_buffer;
NonnullOwnPtr<DoubleBuffer> m_buffer;
uid_t m_uid { 0 };