da0113c539
There is no remaining reference to E_RTE_NO_TAILQ. Signed-off-by: David Marchand <david.marchand@6wind.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 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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* @file
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*
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* API for error cause tracking
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*/
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#ifndef _RTE_ERRNO_H_
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#define _RTE_ERRNO_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rte_per_lcore.h>
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RTE_DECLARE_PER_LCORE(int, _rte_errno); /**< Per core error number. */
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/**
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* Error number value, stored per-thread, which can be queried after
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* calls to certain functions to determine why those functions failed.
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*
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* Uses standard values from errno.h wherever possible, with a small number
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* of additional possible values for RTE-specific conditions.
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*/
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#define rte_errno RTE_PER_LCORE(_rte_errno)
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/**
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* Function which returns a printable string describing a particular
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* error code. For non-RTE-specific error codes, this function returns
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* the value from the libc strerror function.
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*
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* @param errnum
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* The error number to be looked up - generally the value of rte_errno
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* @return
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* A pointer to a thread-local string containing the text describing
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* the error.
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*/
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const char *rte_strerror(int errnum);
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#ifndef __ELASTERROR
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/**
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* Check if we have a defined value for the max system-defined errno values.
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* if no max defined, start from 1000 to prevent overlap with standard values
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*/
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#define __ELASTERROR 1000
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#endif
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/** Error types */
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enum {
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RTE_MIN_ERRNO = __ELASTERROR, /**< Start numbering above std errno vals */
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E_RTE_SECONDARY, /**< Operation not allowed in secondary processes */
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E_RTE_NO_CONFIG, /**< Missing rte_config */
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RTE_MAX_ERRNO /**< Max RTE error number */
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_ERRNO_H_ */
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