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More work towards getting bash to build.

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Implemented some syscalls: dup(), dup2(), getdtablesize().
FileHandle is now a retainable, since that's needed for dup()'ed fd's.
I didn't really test any of this beyond a basic smoke check.
This commit is contained in:
Andreas Kling 2018-11-05 19:01:22 +01:00
parent 82f84bab11
commit 9f2b9c82bf
17 changed files with 114 additions and 23 deletions
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9
VirtualFileSystem/FileHandle.cpp
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@ -6,6 +6,11 @@
#include "TTY.h"
#include <AK/BufferStream.h>
RetainPtr<FileHandle> FileHandle::create(RetainPtr<VirtualFileSystem::Node>&& vnode)
{
return adopt(*new FileHandle(move(vnode)));
}
FileHandle::FileHandle(RetainPtr<VirtualFileSystem::Node>&& vnode)
: m_vnode(move(vnode))
{
@ -15,9 +20,9 @@ FileHandle::~FileHandle()
{
}
OwnPtr<FileHandle> FileHandle::clone()
RetainPtr<FileHandle> FileHandle::clone()
{
auto handle = make<FileHandle>(m_vnode.copyRef());
auto handle = FileHandle::create(m_vnode.copyRef());
if (!handle)
return nullptr;
handle->m_currentOffset = m_currentOffset;