68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
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#include "typesdef.h"
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#include "errno.h"
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#include "list.h"
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#include "osal/event.h"
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#ifdef OHOS
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#include "los_event.h"
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#include "los_membox.h"
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#include "los_memory.h"
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#include "los_interrupt.h"
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#include "los_mux.h"
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#include "los_queue.h"
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#include "los_sem.h"
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#include "los_swtmr.h"
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#include "los_task.h"
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#include "los_timer.h"
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#include "los_debug.h"
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#if (LOSCFG_MUTEX_CREATE_TRACE == 1)
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#include "los_arch.h"
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#endif
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#include "osal/string.h"
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#include "osal/mutex.h"
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#define MUTEX_MAGIC (0xa8b4c2d5)
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int32 os_mutex_init(os_mutex_t *mutex)
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{
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UINT32 hdl = 0;
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if(mutex->magic == MUTEX_MAGIC){
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os_printf(KERN_WARNING"mutex repeat initialization ????\r\n");
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}
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if (LOS_OK == LOS_MuxCreate(&hdl)) {
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mutex->hdl = (void *)(hdl+1);
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mutex->magic = MUTEX_MAGIC;
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}
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return (mutex->hdl ? RET_OK : RET_ERR);
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}
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int32 os_mutex_lock(os_mutex_t *mutex, int32 tmo)
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{
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ASSERT(mutex && mutex->hdl);
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UINT32 hdl = (UINT32)mutex->hdl;
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return LOS_MuxPend(hdl - 1, LOS_MS2Tick(tmo), (uint32_t)RETURN_ADDR());
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}
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int32 os_mutex_unlock(os_mutex_t *mutex)
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{
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ASSERT(mutex && mutex->hdl);
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UINT32 hdl = (UINT32)mutex->hdl;
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return LOS_MuxPost(hdl - 1);
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}
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int32 os_mutex_del(os_mutex_t *mutex)
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{
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ASSERT(mutex && mutex->hdl);
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int32 ret = 0;
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UINT32 hdl = (UINT32)mutex->hdl;
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ret = LOS_MuxDelete(hdl - 1);
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mutex->hdl = NULL;
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mutex->magic = 0;
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return ret;
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}
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#endif
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