90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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Copyright (c), 2001-2022, Shenshu Tech. Co., Ltd.
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*/
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#include "ot_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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#include "securec.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_trace("%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_trace("%s - kmalloc error!\n", __FUNCTION__);
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return -1;
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}
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(void)memset_s(p, sizeof(atomic_t), 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_destroy(osal_atomic_t *atomic)
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{
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if (atomic == NULL) {
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osal_trace("%s - parameter invalid!\n", __FUNCTION__);
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return;
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}
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kfree(atomic->atomic);
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atomic->atomic = NULL;
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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) || (atomic->atomic == NULL)) {
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osal_trace("%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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if ((atomic == NULL) || (atomic->atomic == NULL)) {
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osal_trace("%s - parameter invalid!\n", __FUNCTION__);
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return;
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}
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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) || (atomic->atomic == NULL)) {
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osal_trace("%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) || (atomic->atomic == NULL)) {
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osal_trace("%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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