diff options
author | Andreas Kling <awesomekling@gmail.com> | 2019-07-29 10:55:29 +0200 |
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committer | Andreas Kling <awesomekling@gmail.com> | 2019-07-29 11:19:04 +0200 |
commit | c59fdcc021f2c57a6619f4dbc2bb9948bb6bf31c (patch) | |
tree | a8b2b9d281a59b13bc0ff957e5699745e7e3a1b1 | |
parent | 5ded77df39e816f565b26761624893d085ca6eef (diff) | |
download | serenity-c59fdcc021f2c57a6619f4dbc2bb9948bb6bf31c.zip |
Kernel: Move Lock code out-of-line.
It's so big and chunky anyway, it's silly to expand it everywhere.
This makes it a lot easier to read function disassembly dumps.
-rw-r--r-- | Kernel/Lock.h | 68 | ||||
-rw-r--r-- | Kernel/Makefile | 1 |
2 files changed, 1 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) diff --git a/Kernel/Makefile b/Kernel/Makefile index 65325a1ad0..9dcccc2ef4 100644 --- a/Kernel/Makefile +++ b/Kernel/Makefile @@ -4,6 +4,7 @@ KERNEL_OBJS = \ init.o \ kmalloc.o \ StdLib.o \ + Lock.o \ Arch/i386/CPU.o \ Process.o \ SharedBuffer.o \ |