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Kernel: Rename Thread::BlockCondition to BlockerSet

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This class represents a set of Thread::Blocker objects attached to
something that those blockers are waiting on.
This commit is contained in:
Andreas Kling 2021-08-22 15:59:47 +02:00
parent 05e1b196e9
commit 85546af417
15 changed files with 83 additions and 86 deletions
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10
Kernel/FileSystem/File.h
View file

@ -21,9 +21,9 @@ namespace Kernel {
class File;
class FileBlockCondition final : public Thread::BlockCondition {
class FileBlockerSet final : public Thread::BlockerSet {
public:
FileBlockCondition() { }
FileBlockerSet() { }
virtual bool should_add_blocker(Thread::Blocker& b, void* data) override
{
@ -112,7 +112,7 @@ public:
virtual bool is_socket() const { return false; }
virtual bool is_inode_watcher() const { return false; }
virtual FileBlockCondition& block_condition() { return m_block_condition; }
virtual FileBlockerSet& blocker_set() { return m_blocker_set; }
size_t attach_count() const { return m_attach_count; }
@ -138,10 +138,10 @@ private:
ALWAYS_INLINE void do_evaluate_block_conditions()
{
VERIFY(!Processor::current_in_irq());
block_condition().unblock();
blocker_set().unblock();
}
FileBlockCondition m_block_condition;
FileBlockerSet m_blocker_set;
size_t m_attach_count { 0 };
};

4
Kernel/FileSystem/FileDescription.cpp
View file

@ -443,9 +443,9 @@ KResult FileDescription::chown(uid_t uid, gid_t gid)
return m_file->chown(*this, uid, gid);
}
FileBlockCondition& FileDescription::block_condition()
FileBlockerSet& FileDescription::blocker_set()
{
return m_file->block_condition();
return m_file->blocker_set();
}
KResult FileDescription::apply_flock(Process const& process, Userspace<flock const*> lock)

4
Kernel/FileSystem/FileDescription.h
View file

@ -125,7 +125,7 @@ public:
KResult chown(uid_t, gid_t);
FileBlockCondition& block_condition();
FileBlockerSet& blocker_set();
KResult apply_flock(Process const&, Userspace<flock const*>);
KResult get_flock(Userspace<flock*>) const;
@ -138,7 +138,7 @@ private:
void evaluate_block_conditions()
{
block_condition().unblock();
blocker_set().unblock();
}
RefPtr<Custody> m_custody;

8
Kernel/FileSystem/Plan9FileSystem.cpp
View file

@ -442,14 +442,14 @@ bool Plan9FS::Blocker::is_completed() const
return m_completion->completed;
}
bool Plan9FS::Plan9FSBlockCondition::should_add_blocker(Thread::Blocker& b, void*)
bool Plan9FS::Plan9FSBlockerSet::should_add_blocker(Thread::Blocker& b, void*)
{
// NOTE: m_lock is held already!
auto& blocker = static_cast<Blocker&>(b);
return !blocker.is_completed();
}
void Plan9FS::Plan9FSBlockCondition::unblock_completed(u16 tag)
void Plan9FS::Plan9FSBlockerSet::unblock_completed(u16 tag)
{
unblock([&](Thread::Blocker& b, void*, bool&) {
VERIFY(b.blocker_type() == Thread::Blocker::Type::Plan9FS);
@ -458,7 +458,7 @@ void Plan9FS::Plan9FSBlockCondition::unblock_completed(u16 tag)
});
}
void Plan9FS::Plan9FSBlockCondition::unblock_all()
void Plan9FS::Plan9FSBlockerSet::unblock_all()
{
unblock([&](Thread::Blocker& b, void*, bool&) {
VERIFY(b.blocker_type() == Thread::Blocker::Type::Plan9FS);
@ -467,7 +467,7 @@ void Plan9FS::Plan9FSBlockCondition::unblock_all()
});
}
void Plan9FS::Plan9FSBlockCondition::try_unblock(Plan9FS::Blocker& blocker)
void Plan9FS::Plan9FSBlockerSet::try_unblock(Plan9FS::Blocker& blocker)
{
if (m_fs.is_complete(*blocker.completion())) {
SpinlockLocker lock(m_lock);

8
Kernel/FileSystem/Plan9FileSystem.h
View file

@ -50,9 +50,9 @@ private:
class Blocker;
class Plan9FSBlockCondition final : public Thread::BlockCondition {
class Plan9FSBlockerSet final : public Thread::BlockerSet {
public:
Plan9FSBlockCondition(Plan9FS& fs)
Plan9FSBlockerSet(Plan9FS& fs)
: m_fs(fs)
{
}
@ -87,7 +87,7 @@ private:
, m_message(message)
, m_completion(move(completion))
{
set_block_condition(fs.m_completion_blocker);
add_to_blocker_set(fs.m_completion_blocker);
}
virtual StringView state_string() const override { return "Waiting"sv; }
virtual Type blocker_type() const override { return Type::Plan9FS; }
@ -136,7 +136,7 @@ private:
size_t m_max_message_size { 4 * KiB };
Mutex m_send_lock { "Plan9FS send" };
Plan9FSBlockCondition m_completion_blocker;
Plan9FSBlockerSet m_completion_blocker;
HashMap<u16, NonnullRefPtr<ReceiveCompletion>> m_completions;
Spinlock<u8> m_thread_lock;