diff options
Diffstat (limited to 'Kernel/Lock.h')
-rw-r--r-- | Kernel/Lock.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/Kernel/Lock.h b/Kernel/Lock.h index 0341ed3f30..755edf503e 100644 --- a/Kernel/Lock.h +++ b/Kernel/Lock.h @@ -56,74 +56,6 @@ private: Lock& m_lock; }; -[[gnu::always_inline]] inline void Lock::lock() -{ - if (!are_interrupts_enabled()) { - kprintf("Interrupts disabled when trying to take Lock{%s}\n", m_name); - dump_backtrace(); - hang(); - } - ASSERT(!Scheduler::is_active()); - for (;;) { - if (CAS(&m_lock, 1, 0) == 0) { - if (!m_holder || m_holder == current) { - m_holder = current; - ++m_level; - memory_barrier(); - m_lock = 0; - return; - } - m_lock = 0; - } - Scheduler::donate_to(m_holder, m_name); - } -} - -inline void Lock::unlock() -{ - for (;;) { - if (CAS(&m_lock, 1, 0) == 0) { - ASSERT(m_holder == current); - ASSERT(m_level); - --m_level; - if (m_level) { - memory_barrier(); - m_lock = 0; - return; - } - m_holder = nullptr; - memory_barrier(); - m_lock = 0; - return; - } - Scheduler::donate_to(m_holder, m_name); - } -} - -inline bool Lock::unlock_if_locked() -{ - for (;;) { - if (CAS(&m_lock, 1, 0) == 0) { - if (m_level == 0) { - memory_barrier(); - m_lock = 0; - return false; - } - ASSERT(m_holder == current); - ASSERT(m_level); - --m_level; - if (m_level) { - memory_barrier(); - m_lock = 0; - return false; - } - m_holder = nullptr; - memory_barrier(); - m_lock = 0; - return true; - } - } -} #define LOCKER(lock) Locker locker(lock) |