88 lines
1.9 KiB
C
88 lines
1.9 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 <linux/printk.h>
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#include <linux/mutex.h>
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#include <linux/slab.h>
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int osal_mutex_init(osal_mutex_t *mutex)
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{
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struct mutex *p = NULL;
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if (mutex == 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 = kmalloc(sizeof(struct mutex), 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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mutex_init(p);
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mutex->mutex = p;
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return 0;
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}
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EXPORT_SYMBOL(osal_mutex_init);
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int osal_mutex_lock(osal_mutex_t *mutex)
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{
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struct mutex *p = NULL;
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if ((mutex == NULL) || (mutex->mutex == 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 = (struct mutex *)(mutex->mutex);
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mutex_lock(p);
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return 0;
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}
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EXPORT_SYMBOL(osal_mutex_lock);
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int osal_mutex_lock_interruptible(osal_mutex_t *mutex)
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{
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struct mutex *p = NULL;
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if ((mutex == NULL) || (mutex->mutex == 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 = (struct mutex *)(mutex->mutex);
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return mutex_lock_interruptible(p);
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}
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EXPORT_SYMBOL(osal_mutex_lock_interruptible);
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void osal_mutex_unlock(osal_mutex_t *mutex)
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{
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struct mutex *p = NULL;
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if ((mutex == NULL) || (mutex->mutex == 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 = (struct mutex *)(mutex->mutex);
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mutex_unlock(p);
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}
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EXPORT_SYMBOL(osal_mutex_unlock);
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void osal_mutex_destroy(osal_mutex_t *mutex)
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{
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struct mutex *p = NULL;
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if ((mutex == NULL) || (mutex->mutex == 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 = (struct mutex *)(mutex->mutex);
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kfree(p);
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p = NULL;
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mutex->mutex = NULL;
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}
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EXPORT_SYMBOL(osal_mutex_destroy);
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