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| author | Jakob Odersky <jodersky@gmail.com> | 2014-03-17 16:28:23 +0100 |
|---|---|---|
| committer | Jakob Odersky <jodersky@gmail.com> | 2014-03-17 16:28:23 +0100 |
| commit | 01c10b2eadbcd09b6ac34ab80cac1b65c302152e (patch) | |
| tree | b4fc0da76fe0257203382eac69bd8b2142298421 /kernel/task/include/task/lock.h | |
| parent | 5466218a5f9fb3d46f608806f222fcc99a306a4b (diff) | |
| download | mux-01c10b2eadbcd09b6ac34ab80cac1b65c302152e.tar.gz mux-01c10b2eadbcd09b6ac34ab80cac1b65c302152e.tar.bz2 mux-01c10b2eadbcd09b6ac34ab80cac1b65c302152e.zip | |
implement clock
Diffstat (limited to 'kernel/task/include/task/lock.h')
| -rw-r--r-- | kernel/task/include/task/lock.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/task/include/task/lock.h b/kernel/task/include/task/lock.h index bfb7994..eaa661c 100644 --- a/kernel/task/include/task/lock.h +++ b/kernel/task/include/task/lock.h @@ -9,11 +9,15 @@ typedef char spin_lock_t; static inline void spin_lock(struct spin_lock_t* lock) { while(*lock != SPIN_LOCK_UNLOCKED) {yield();}; + cli(); *lock = 1; + sei(); } static inline void spin_unlock(struct spin_lock_t* lock) { + cli(); *lock = SPIN_LOCK_UNLOCKED; + sei(); } #endif
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