71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/****************************************************************************
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* net/socket/net_timeo.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#if defined(CONFIG_NET) && defined(CONFIG_NET_SOCKOPTS)
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#include <stdint.h>
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#include <debug.h>
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#include <nuttx/clock.h>
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#include "socket/socket.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: net_timeo
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*
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* Description:
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* Check if a timeout has elapsed. This can be called from a socket poll
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* function to determine if a timeout has occurred.
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*
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* Input Parameters:
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* start_time Timeout start time in system clock ticks
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* timeout Timeout value in deciseconds.
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*
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* Returned Value:
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* 0 (FALSE) if not timeout; 1 (TRUE) if timeout
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*
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* Assumptions:
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*
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****************************************************************************/
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int net_timeo(clock_t start_time, socktimeo_t timeo)
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{
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clock_t timeo_ticks = DSEC2TICK(timeo);
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clock_t elapsed = clock_systime_ticks() - start_time;
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if (elapsed >= timeo_ticks)
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{
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return TRUE;
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}
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return FALSE;
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}
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#endif /* CONFIG_NET && CONFIG_NET_SOCKOPTS */
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