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Deallocate PTY's when they close.
This required a fair bit of plumbing. The CharacterDevice::close() virtual will now be closed by ~FileDescriptor(), allowing device implementations to do custom cleanup at that point. One big problem remains: if the master PTY is closed before the slave PTY, we go into crashy land.
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19 changed files with 104 additions and 12 deletions
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@ -14,6 +14,7 @@ public:
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InodeMetadata metadata() const { return { }; }
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virtual RetainPtr<FileDescriptor> open(int& error, int options);
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virtual void close();
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virtual bool can_read(Process&) const = 0;
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virtual bool can_write(Process&) const = 0;
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