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Allow character devices to block write attempts until there is more space.

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This commit is contained in:
Andreas Kling 2019-01-15 09:17:22 +01:00
parent 49b63281a0
commit e452303c66
21 changed files with 39 additions and 7 deletions
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2
Kernel/FIFO.cpp
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@ -51,7 +51,7 @@ bool FIFO::can_read() const
bool FIFO::can_write() const
{
return true;
return m_buffer.bytes_in_write_buffer() < 4096;
}
ssize_t FIFO::read(byte* buffer, size_t size)