add spin-locks

1 files changed, 6 insertions, 5 deletions

diff --git a/kernel/task/include/task/lock.h b/kernel/task/include/task/lock.h
index eaa661c..47246b2 100644
--- a/kernel/task/include/task/lock.h
+++ b/kernel/task/include/task/lock.h
@@ -1,20 +1,21 @@
 #ifndef LOCK_H
 #define LOCK_H
 
-#include "task/shed.h"
+#include "task/sched.h"
 
-typedef char spin_lock_t;
+typedef volatile char spin_lock_t;
 
 #define SPIN_LOCK_UNLOCKED 0
+#define SPIN_LOCK_LOCKED 0
 
-static inline void spin_lock(struct spin_lock_t* lock) {
+static inline void spin_lock(spin_lock_t* lock) {
   while(*lock != SPIN_LOCK_UNLOCKED) {yield();};
   cli();
-  *lock = 1;
+  *lock = SPIN_LOCK_LOCKED;
   sei();
 }
 
-static inline void spin_unlock(struct spin_lock_t* lock) {
+static inline void spin_unlock(spin_lock_t* lock) {
   cli();
   *lock = SPIN_LOCK_UNLOCKED;
   sei();