72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <rte_per_lcore.h>
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#include <rte_errno.h>
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#include <rte_string_fns.h>
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RTE_DEFINE_PER_LCORE(int, _rte_errno);
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const char *
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rte_strerror(int errnum)
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{
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#define RETVAL_SZ 256
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static RTE_DEFINE_PER_LCORE(char[RETVAL_SZ], retval);
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/* since some implementations of strerror_r throw an error
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* themselves if errnum is too big, we handle that case here */
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if (errnum > RTE_MAX_ERRNO)
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rte_snprintf(RTE_PER_LCORE(retval), RETVAL_SZ,
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"Unknown error %d", errnum);
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else
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switch (errnum){
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case E_RTE_SECONDARY:
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return "Invalid call in secondary process";
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case E_RTE_NO_CONFIG:
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return "Missing rte_config structure";
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case E_RTE_NO_TAILQ:
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return "No TAILQ initialised";
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default:
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strerror_r(errnum, RTE_PER_LCORE(retval), RETVAL_SZ);
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}
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return RTE_PER_LCORE(retval);
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}
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