53 lines
1.1 KiB
C
53 lines
1.1 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/string.h"
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#include "osal/mutex.h"
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#ifdef CSKY_OS
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#include "csi_kernel.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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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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mutex->hdl = csi_kernel_mutex_new();
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if(mutex->hdl) mutex->magic = MUTEX_MAGIC;
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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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return csi_kernel_mutex_lock(mutex->hdl, csi_kernel_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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return csi_kernel_mutex_unlock(mutex->hdl);
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}
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int32 os_mutex_del(os_mutex_t *mutex)
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{
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int32 ret = 0;
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ASSERT(mutex && mutex->hdl);
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ret = csi_kernel_mutex_del(mutex->hdl);
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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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void *os_mutex_owner(os_mutex_t *mutex)
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{
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ASSERT(mutex && mutex->hdl);
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return csi_kernel_mutex_get_owner(mutex->hdl);
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}
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#endif
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