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Kernel: Pass 'prot' argument to File::mmap() and act on it.

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Nothing crazy, this just means that PROT_READ allocates readable regions,
and that PROT_WRITE allocates writable ones.
This commit is contained in:
Andreas Kling 2019-05-30 12:38:35 +02:00
parent 004a630bfe
commit 66c1a9be3b
7 changed files with 11 additions and 9 deletions
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2
Kernel/SharedMemory.h
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@ -31,7 +31,7 @@ private:
virtual String absolute_path(FileDescriptor&) const override;
virtual const char* class_name() const override { return "SharedMemory"; }
virtual bool is_shared_memory() const override { return true; }
virtual KResultOr<Region*> mmap(Process&, LinearAddress, size_t offset, size_t size) override;
virtual KResultOr<Region*> mmap(Process&, LinearAddress, size_t offset, size_t size, int prot) override;
SharedMemory(const String& name, uid_t, gid_t, mode_t);