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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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027d26cd5d
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19 changed files with 104 additions and 12 deletions
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@ -15,6 +15,7 @@ SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
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SlavePTY::~SlavePTY()
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{
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DevPtsFS::the().unregister_slave_pty(*this);
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VFS::the().unregister_character_device(*this);
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}
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String SlavePTY::tty_name() const
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@ -37,3 +38,8 @@ bool SlavePTY::can_write(Process&) const
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{
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return m_master.can_write_from_slave();
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}
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void SlavePTY::close()
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{
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m_master.notify_slave_closed(Badge<SlavePTY>());
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}
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