94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*
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* Copyright (c) XMEDIA. All rights reserved.
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*/
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#include "osal.h"
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <asm/atomic.h>
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#include <linux/printk.h>
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#include <linux/slab.h>
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int osal_atomic_init(osal_atomic_t *atomic)
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{
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atomic_t *p = NULL;
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if (atomic == NULL) {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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return -1;
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}
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p = (atomic_t *)kmalloc(sizeof(atomic_t), GFP_KERNEL);
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if (p == NULL) {
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osal_printk("%s - kmalloc error!\n", __FUNCTION__);
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return -1;
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}
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memset(p, 0, sizeof(atomic_t));
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atomic->atomic = p;
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return 0;
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}
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EXPORT_SYMBOL(osal_atomic_init);
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void osal_atomic_destory(osal_atomic_t *atomic)
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{
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if((atomic != NULL ) && (atomic->atomic != NULL)) {
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kfree(atomic->atomic);
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atomic->atomic = NULL;
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} else {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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}
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}
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EXPORT_SYMBOL(osal_atomic_destory);
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void osal_atomic_destroy(osal_atomic_t *atomic)
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{
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if((atomic != NULL ) && (atomic->atomic != NULL)) {
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kfree(atomic->atomic);
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atomic->atomic = NULL;
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} else {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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}
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}
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EXPORT_SYMBOL(osal_atomic_destroy);
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int osal_atomic_read(osal_atomic_t *atomic)
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{
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atomic_t *p = NULL;
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if (atomic == NULL) {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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return -1;
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}
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p = (atomic_t *)(atomic->atomic);
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return atomic_read(p);
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}
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EXPORT_SYMBOL(osal_atomic_read);
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void osal_atomic_set(osal_atomic_t *atomic, int i)
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{
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atomic_t *p = NULL;
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p = (atomic_t *)(atomic->atomic);
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atomic_set(p, i);
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}
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EXPORT_SYMBOL(osal_atomic_set);
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int osal_atomic_inc_return(osal_atomic_t *atomic)
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{
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atomic_t *p = NULL;
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if (atomic == NULL) {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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return -1;
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}
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p = (atomic_t *)(atomic->atomic);
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return atomic_inc_return(p);
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}
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EXPORT_SYMBOL(osal_atomic_inc_return);
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int osal_atomic_dec_return(osal_atomic_t *atomic)
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{
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atomic_t *p = NULL;
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if (atomic == NULL) {
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osal_printk("%s - parameter invalid!\n", __FUNCTION__);
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return -1;
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}
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p = (atomic_t *)(atomic->atomic);
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return atomic_dec_return(p);
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}
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EXPORT_SYMBOL(osal_atomic_dec_return);
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