mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
Kaspar Schleiser
1d5e2e9cd9
Automatically removed using:
$ git grep -l kernel_types | xargs sed -i '/^#include .kernel_types/d'
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
/*
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* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup net_gnrc_neterr Error reporting
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* @ingroup net_gnrc
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* @brief Allows for asynchronous error reporting in the network stack.
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* @{
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*
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* @file
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* @brief Error reporting definitions.
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef NET_GNRC_NETERR_H
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#define NET_GNRC_NETERR_H
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#include <errno.h>
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#include <stdint.h>
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#include "msg.h"
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#include "net/gnrc/pkt.h"
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#include "thread.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief @ref core_msg type for reporting an error.
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*/
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#define GNRC_NETERR_MSG_TYPE (0x0206)
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/**
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* @brief Error code to signalise success (no error occurred) to an gnrc_neterr subscriber.
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*/
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#define GNRC_NETERR_SUCCESS (0)
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/**
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* @brief Reports an error to all subscribers of errors to @p pkt.
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*
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* @param[in] pkt Packet snip to report on.
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* @param[in] err The error code for the packet.
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*/
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#ifdef MODULE_GNRC_NETERR
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static inline void gnrc_neterr_report(gnrc_pktsnip_t *pkt, uint32_t err)
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{
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if (pkt->err_sub != KERNEL_PID_UNDEF) {
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msg_t msg;
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msg.type = GNRC_NETERR_MSG_TYPE;
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msg.content.value = err;
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msg_send(&msg, pkt->err_sub);
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}
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}
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#else
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#define gnrc_neterr_report(pkt, err) (void)pkt; (void)err
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#endif
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/**
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* @brief Registers the current thread for errors on a @ref gnrc_pktsnip_t.
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*
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* @param[in] pkt Packet snip to register for errors.
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*
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* @return 0, on success.
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* @return EALREADY, if there already someone registered to errors on @p pkt.
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*/
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#ifdef MODULE_GNRC_NETERR
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static inline int gnrc_neterr_reg(gnrc_pktsnip_t *pkt)
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{
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if (pkt->err_sub != KERNEL_PID_UNDEF) {
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return EALREADY;
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}
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pkt->err_sub = thread_getpid();
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return 0;
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}
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#else
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#define gnrc_neterr_reg(pkt) (0)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* NET_GNRC_NETERR_H */
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/** @} */
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