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Kernel: Fix cloning file descriptions on fork

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After a fork, the parent and the child are supposed to share
the same file description. For example, modifying the current
offset of a file description is visible in both of them.
This commit is contained in:
Sergey Bugaev 2019-08-11 16:07:47 +03:00 • committed by Andreas Kling
parent 2396b2ed70
commit 1606261c58
3 changed files with 1 additions and 22 deletions
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18
Kernel/FileSystem/FileDescription.cpp
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@ -57,24 +57,6 @@ void FileDescription::set_socket_role(SocketRole role)
socket()->attach(*this);
}
NonnullRefPtr<FileDescription> FileDescription::clone()
{
RefPtr<FileDescription> description;
if (is_fifo()) {
description = fifo()->open_direction(m_fifo_direction);
} else {
description = FileDescription::create(m_file, m_socket_role);
description->m_custody = m_custody;
description->m_inode = m_inode;
}
ASSERT(description);
description->m_current_offset = m_current_offset;
description->m_is_blocking = m_is_blocking;
description->m_should_append = m_should_append;
description->m_file_flags = m_file_flags;
return *description;
}
KResult FileDescription::fstat(stat& buffer)
{
ASSERT(!is_fifo());