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kernel: Avoid page faults when reading from a slave pseudoterminal after the master is destroyed
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apio 2023-09-23 12:57:03 +02:00
parent a47321a228
commit 7ff5096083
Signed by: apio
GPG Key ID: B8A7D06E42258954
1 changed files with 2 additions and 0 deletions
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kernel/src/fs/devices/SlavePTY.cpp
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@ -36,6 +36,8 @@ Result<usize> SlavePTY::write(const u8* buf, usize, usize length)
bool SlavePTY::will_block_if_read() const bool SlavePTY::will_block_if_read() const
{ {
if (!m_master) return false;
if (!m_master->is_canonical()) return m_buffer.is_empty(); if (!m_master->is_canonical()) return m_buffer.is_empty();
else else
return !m_master->m_lines.size(); return !m_master->m_lines.size();