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/*
* Copyright (C) 2015-2017 Alibaba Group Holding Limited
*/
#include <stdint.h>
#include "k_api.h"
#include "vfs_adapt.h"
void *vfs_lock_create(void)
{
int32_t ret;
kmutex_t *m;
m = krhino_mm_alloc(sizeof(kmutex_t));
if (m == NULL) {
return NULL;
}
ret = krhino_mutex_create(m, "VFS");
if (ret != RHINO_SUCCESS) {
krhino_mm_free(m);
return NULL;
}
return (void *)m;
}
int32_t vfs_lock_free(void *lock)
{
int32_t ret;
kmutex_t *m = (kmutex_t *)lock;
if (m == NULL) {
return -1;
}
ret = krhino_mutex_del(m);
if (ret != RHINO_SUCCESS) {
return ret;
}
krhino_mm_free(m);
return ret;
}
int32_t vfs_lock(void *lock)
{
int ret = krhino_mutex_lock((kmutex_t *)lock, RHINO_WAIT_FOREVER);
if (ret == RHINO_MUTEX_OWNER_NESTED) {
ret = RHINO_SUCCESS;
}
return ret;
}
int32_t vfs_unlock(void *lock)
{
int ret = krhino_mutex_unlock((kmutex_t *)lock);
if (ret == RHINO_MUTEX_OWNER_NESTED) {
ret = RHINO_SUCCESS;
}
return ret;
}
void *vfs_malloc(uint32_t size)
{
return krhino_mm_alloc(size);
}
void vfs_free(void *ptr)
{
krhino_mm_free(ptr);
}
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