/*
 *                         Copyright 2007
 *                    Green Hills Software, Inc.
 *
 *    This program is the property of Green Hills Software, Inc,
 *    its contents are proprietary information and no part of it
 *    is to be disclosed to anyone except employees of Green Hills
 *    Software, Inc., or as agreed in writing signed by the President
 *    of Green Hills Software, Inc.
 *
 */

#include "ind_thrd.h"
#include <stddef.h>
#include <setjmp.h>
#include <cafe/os.h>
#include <cafe/os/OSMutex.h>
#include <cafe/mem.h>

#if !defined(MINIMAL_STARTUP)
/* Acquire global lock.  Blocks until the lock becomes available. */
#if 0 // CAFE GHS ORIG
void __ghsLock(void)
{
}
#endif // CAFE GHS ORIG

/* Release global lock */
#if 0 // CAFE GHS ORIG
void __ghsUnlock(void)
{
}
#endif // CAFE GHS ORIG

#endif /* !defined(MINIMAL_STARTUP) */

/* A callback to initialize the lock data structure before it is used. */
#if 0 // CAFE GHS ORIG
void __gh_lock_init(void)
{
}
#endif // CAFE GHS ORIG

#define MUTEX_ALIGN 8

void __ghs_mtx_init(void *mtx)
{
    OSMutex **mutex_ptr_ptr = (OSMutex **)mtx;
    *mutex_ptr_ptr = (OSMutex *)MEMAllocFromDefaultHeapEx(sizeof(OSMutex), MUTEX_ALIGN);
    OSInitMutex(*mutex_ptr_ptr);
}
 
void __ghs_mtx_dst(void *mtx)
{
    OSMutex **mutex_ptr_ptr = (OSMutex **)mtx;
    MEMFreeToDefaultHeap(*mutex_ptr_ptr);
    *mutex_ptr_ptr = NULL;
}
 
void __ghs_mtx_lock(void *mtx)
{
    OSMutex **mutex_ptr_ptr = (OSMutex **)mtx;
    OSLockMutex(*mutex_ptr_ptr);
}
 
void __ghs_mtx_unlock(void *mtx)
{
    OSMutex **mutex_ptr_ptr = (OSMutex **)mtx;
    OSUnlockMutex(*mutex_ptr_ptr);
}