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Kernel: Add explicit offset parameter to File::read etc

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This commit is contained in:
Conrad Pankoff 2020-04-10 19:44:42 +10:00 • committed by Andreas Kling
parent 68c7ca7d3b
commit a3edeb5868
45 changed files with 199 additions and 183 deletions
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8
Kernel/FileSystem/FIFO.cpp
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@ -106,17 +106,17 @@ void FIFO::detach(Direction direction)
}
}
bool FIFO::can_read(const FileDescription&) const
bool FIFO::can_read(const FileDescription&, size_t) const
{
return !m_buffer.is_empty() || !m_writers;
}
bool FIFO::can_write(const FileDescription&) const
bool FIFO::can_write(const FileDescription&, size_t) const
{
return m_buffer.space_for_writing() || !m_readers;
}
ssize_t FIFO::read(FileDescription&, u8* buffer, ssize_t size)
ssize_t FIFO::read(FileDescription&, size_t, u8* buffer, ssize_t size)
{
if (!m_writers && m_buffer.is_empty())
return 0;
@ -130,7 +130,7 @@ ssize_t FIFO::read(FileDescription&, u8* buffer, ssize_t size)
return nread;
}
ssize_t FIFO::write(FileDescription&, const u8* buffer, ssize_t size)
ssize_t FIFO::write(FileDescription&, size_t, const u8* buffer, ssize_t size)
{
if (!m_readers) {
Thread::current->send_signal(SIGPIPE, Process::current);