RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-28 08:25:07 +00:00
Code Issues Activity Actions

Kernel: Use KResultOr and TRY() for FIFO

Browse source
This commit is contained in:
Andreas Kling 2021-09-07 13:56:10 +02:00
parent 631b8e90cd
commit ed5d04b0ea
6 changed files with 10 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

10
Kernel/FileSystem/Inode.cpp
View file

@ -163,19 +163,15 @@ void Inode::unregister_watcher(Badge<InodeWatcher>, InodeWatcher& watcher)
m_watchers.remove(&watcher);
}
NonnullRefPtr<FIFO> Inode::fifo()
KResultOr<NonnullRefPtr<FIFO>> Inode::fifo()
{
MutexLocker locker(m_inode_lock);
VERIFY(metadata().is_fifo());
// FIXME: Release m_fifo when it is closed by all readers and writers
if (!m_fifo) {
m_fifo = FIFO::try_create(metadata().uid);
// FIXME: We need to be able to observe OOM here.
VERIFY(!m_fifo.is_null());
}
if (!m_fifo)
m_fifo = TRY(FIFO::try_create(metadata().uid));
VERIFY(m_fifo);
return *m_fifo;
}