Second Extended Filesystem (ext2) and other improvements (#33)

[lunaix-os.git] / lunaix-os / kernel / ds / semaphore.c

diff --git a/lunaix-os/kernel/ds/semaphore.c b/lunaix-os/kernel/ds/semaphore.c
index ab494d2f3c810469e82d7bfa4bf7e126f576ba2d..b4d0674438b78323eab6acbd8bd9a87c8650a1c8 100644 (file)
--- a/lunaix-os/kernel/ds/semaphore.c
+++ b/lunaix-os/kernel/ds/semaphore.c
@@ -1,5 +1,5 @@
 #include <lunaix/ds/semaphore.h>
 #include <lunaix/ds/semaphore.h>

-#include <lunaix/sched.h>
+#include <lunaix/kpreempt.h>

 
 void
 sem_init(struct sem_t* sem, unsigned int initial)
 
 void
 sem_init(struct sem_t* sem, unsigned int initial)


@@ -11,7 +11,8 @@ void
 sem_wait(struct sem_t* sem)
 {
     while (!atomic_load(&sem->counter)) {
 sem_wait(struct sem_t* sem)
 {
     while (!atomic_load(&sem->counter)) {

-        schedule();
+        // FIXME: better thing like wait queue
+        preempt_current();

     }
     atomic_fetch_sub(&sem->counter, 1);
 }
     }
     atomic_fetch_sub(&sem->counter, 1);
 }