wut/include/coreinit/fastmutex.h
2018-06-20 11:05:16 +01:00

66 lines
1.3 KiB
C

#pragma once
#include <wut.h>
#include "threadqueue.h"
/**
* \defgroup coreinit_fastmutex Fast Mutex
* \ingroup coreinit
*
* Similar to OSMutex but tries to acquire the mutex without using the global
* scheduler lock, and does not test for thread cancel.
* @{
*/
#ifdef __cplusplus
extern "C" {
#endif
typedef struct OSFastMutex OSFastMutex;
typedef struct OSFastMutexLink OSFastMutexLink;
typedef struct OSFastCondition OSFastCondition;
struct OSFastMutexLink
{
OSFastMutex *next;
OSFastMutex *prev;
};
WUT_CHECK_OFFSET(OSFastMutexLink, 0x00, next);
WUT_CHECK_OFFSET(OSFastMutexLink, 0x04, prev);
WUT_CHECK_SIZE(OSFastMutexLink, 0x08);
#define OS_FAST_MUTEX_TAG 0x664D7458u
struct OSFastMutex
{
uint32_t tag;
const char *name;
WUT_UNKNOWN_BYTES(4);
OSThreadSimpleQueue queue;
OSFastMutexLink link;
WUT_UNKNOWN_BYTES(16);
};
WUT_CHECK_OFFSET(OSFastMutex, 0x00, tag);
WUT_CHECK_OFFSET(OSFastMutex, 0x04, name);
WUT_CHECK_OFFSET(OSFastMutex, 0x0c, queue);
WUT_CHECK_OFFSET(OSFastMutex, 0x14, link);
WUT_CHECK_SIZE(OSFastMutex, 0x2c);
void
OSFastMutex_Init(OSFastMutex *mutex,
const char *name);
void
OSFastMutex_Lock(OSFastMutex *mutex);
void
OSFastMutex_Unlock(OSFastMutex *mutex);
BOOL
OSFastMutex_TryLock(OSFastMutex *mutex);
#ifdef __cplusplus
}
#endif
/** @} */