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Deallocate PTY's when they close.

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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.
This commit is contained in:
Andreas Kling 2019-01-30 18:26:19 +01:00
parent 027d26cd5d
commit b4e478aa50
19 changed files with 104 additions and 12 deletions
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3
Kernel/DevPtsFS.cpp
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@ -1,4 +1,5 @@
#include "DevPtsFS.h"
#include <Kernel/DevPtsFS.h>
#include <Kernel/SlavePTY.h>
#include <Kernel/VirtualFileSystem.h>
#include <AK/StringBuilder.h>