1 files changed, 0 insertions, 142 deletions
diff --git a/arm9/lib/src/OS_mutex.c b/arm9/lib/src/OS_mutex.c
deleted file mode 100644
index 5eb999a9..00000000
--- a/arm9/lib/src/OS_mutex.c
+++ /dev/null
@@ -1,142 +0,0 @@
-#include "nitro/types.h"
-#include "function_target.h"
-#include "OS_mutex.h"
-#include "OS_system.h"
-
-ARM_FUNC void OS_InitMutex(OSMutex *mutex)
-{
-    OS_InitThreadQueue(&mutex->queue);
-    mutex->thread = NULL;
-    mutex->count = 0;
-}
-
-ARM_FUNC void OS_LockMutex(OSMutex *mutex)
-{
-    OSIntrMode prevIntrMode = OS_DisableInterrupts();
-    OSThread *currentThread = OS_GetCurrentThread();
-
-    OSThread *ownerThread;
-    for (;;)
-    {
-        ownerThread = ((volatile OSMutex *)mutex)->thread;
-
-        if (ownerThread == NULL)
-        {
-            mutex->thread = currentThread;
-            mutex->count++;
-            OSi_EnqueueTail(currentThread, mutex);
-            break;
-        }
-        else if (ownerThread == currentThread)
-        {
-            mutex->count++;
-            break;
-        }
-        else
-        {
-            currentThread->mutex = mutex;
-            OS_SleepThread(&mutex->queue);
-            currentThread->mutex = NULL;
-        }
-    }
-
-    (void)OS_RestoreInterrupts(prevIntrMode);
-}
-
-ARM_FUNC void OS_UnlockMutex(OSMutex *mutex)
-{
-    OSIntrMode prevIntrMode = OS_DisableInterrupts();
-    OSThread *currentThread = OS_GetCurrentThread();
-
-    if (mutex->thread == currentThread && --mutex->count == 0)
-    {
-        OSi_DequeueItem(currentThread, mutex);
-        mutex->thread = NULL;
-
-        OS_WakeupThread(&mutex->queue);
-    }
-
-    (void)OS_RestoreInterrupts(prevIntrMode);
-}
-
-ARM_FUNC void OSi_UnlockAllMutex(OSThread *thread)
-{
-    OSMutex *mutex;
-    while (thread->mutexQueue.head)
-    {
-        mutex = OSi_RemoveMutexLinkFromQueue(&thread->mutexQueue);
-
-        mutex->count = 0;
-        mutex->thread = NULL;
-        OS_WakeupThread(&mutex->queue);
-    }
-}
-
-ARM_FUNC BOOL OS_TryLockMutex(OSMutex *mutex)
-{
-    OSIntrMode prevIntrMode = OS_DisableInterrupts();
-    OSThread *currentThread = OS_GetCurrentThread();
-    BOOL locked;
-
-    if (mutex->thread == NULL)
-    {
-        mutex->thread = currentThread;
-        mutex->count++;
-        OSi_EnqueueTail(currentThread, mutex);
-        locked = TRUE;
-    }
-    else if (mutex->thread == currentThread)
-    {
-        mutex->count++;
-        locked = TRUE;
-    }
-    else
-    {
-        locked = FALSE;
-    }
-
-    (void)OS_RestoreInterrupts(prevIntrMode);
-    return locked;
-}
-
-ARM_FUNC void OSi_EnqueueTail(OSThread *thread, OSMutex *mutex)
-{
-    OSMutex *prev = thread->mutexQueue.tail;
-
-    if (!prev)
-    {
-        thread->mutexQueue.head = mutex;
-    }
-    else
-    {
-        prev->link.next = mutex;
-    }
-
-    mutex->link.prev = prev;
-    mutex->link.next = NULL;
-    thread->mutexQueue.tail = mutex;
-}
-
-ARM_FUNC void OSi_DequeueItem(OSThread *thread, OSMutex *mutex)
-{
-    OSMutex *next = mutex->link.next;
-    OSMutex *prev = mutex->link.prev;
-
-    if (!next)
-    {
-        thread->mutexQueue.tail = prev;
-    }
-    else
-    {
-        next->link.prev = prev;
-    }
-
-    if(!prev)
-    {
-        thread->mutexQueue.head = next;
-    }
-    else
-    {
-        prev->link.next = next;
-    }
-}