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Add a /dev/pts filesystem and make PTY allocation dynamic.

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You can now open as many PTY pairs as you like. Well, it's actually capped
at 8 for now, but it's just a constant and trivial to change.

Unregistering a PTY pair is untested because I didn't want to start
mucking with that in Terminal right now.
This commit is contained in:
Andreas Kling
2019-01-30 00:49:20 +01:00
parent c30e2c8d44
commit e9b948103d
12 changed files with 124 additions and 20 deletions
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3
Kernel/MasterPTY.cpp
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@@ -6,7 +6,6 @@ MasterPTY::MasterPTY(unsigned index)
, m_slave(*new SlavePTY(*this, index))
, m_index(index)
{
VFS::the().register_character_device(m_slave);
}
MasterPTY::~MasterPTY()
@@ -16,7 +15,7 @@ MasterPTY::~MasterPTY()
String MasterPTY::pts_name() const
{
char buffer[32];
ksprintf(buffer, "/dev/pts%u", m_index);
ksprintf(buffer, "/dev/pts/%u", m_index);
return buffer;
}