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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/DoubleBuffer.h
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@ -16,6 +16,8 @@ public:
bool is_empty() const { return m_read_buffer_index >= m_read_buffer->size() && m_write_buffer->is_empty(); }
size_t bytes_in_write_buffer() const { return m_write_buffer->size(); }
private:
void flip();