a3e43594a4
Add a new OPAL_ERROR_LOG macro similar to the ORTE_ERROR_LOG one. This commit was SVN r24692.
95 строки
3.2 KiB
C
95 строки
3.2 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OPAL_UTIL_ERROR_H
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#define OPAL_UTIL_ERROR_H
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#include "opal_config.h"
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#include "opal/util/output.h"
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BEGIN_C_DECLS
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#define OPAL_ERROR_LOG(r) \
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opal_output(0, "OPAL ERROR: %s in file %s at line %d", \
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opal_strerror((r)), __FILE__, __LINE__);
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/**
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* Prints error message for errnum on stderr
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*
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* Print the error message corresponding to the value of \c errnum and
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* writes it, followed by a newline, to the standard error file
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* descriptor. If the argument \c msg is non-NULL, this string is
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* prepended to the message string and separated from it by a colon
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* and a space. Otherwise, only the error message string is printed.
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*
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* If errnum is OPAL_ERR_IN_ERRNO, the system perror is called with
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* the argument \c msg.
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*/
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OPAL_DECLSPEC void opal_perror(int errnum, const char *msg);
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/**
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* Return string for given error message
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*
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* Accepts an error number argument \c errnum and returns a pointer to
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* the corresponding message string. The result is returned in a
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* static buffer that should not be released with free().
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*
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* If errnum is \c OPAL_ERR_IN_ERRNO, the system strerror is called
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* with an argument of the current value of \c errno and the resulting
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* string is returned.
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*
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* If the errnum is not a known value, the returned value may be
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* overwritten by subsequent calls to opal_strerror.
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*/
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OPAL_DECLSPEC const char *opal_strerror(int errnum);
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/**
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* Return string for given error message
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*
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* Similar to opal_strerror, but a buffer is passed in which is filled
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* with a string (up to buflen - 1 characters long) containing the
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* error message corresponding to \c errnum. Unlike opal_strerror(),
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* if an unknown value for \c errnum is passed, the returned buffer
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* will not be overwritten by subsequent calls to opal_strerror_r().
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*/
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OPAL_DECLSPEC int opal_strerror_r(int errnum, char *strerrbuf, size_t buflen);
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typedef int (*opal_err2str_fn_t)(int errnum, const char **str);
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/**
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* \internal
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*
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* Register a handler for converting errnums to error strings
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*
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* Handlers will be invoked by opal_perror() , opal_strerror(), and
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* opal_strerror_r() to return the appropriate values.
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*
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* \note A maximum of 5 converters can be registered. The 6th
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* converter registration attempt will return OPAL_ERR_OUT_OF_RESOURCE
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*/
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OPAL_DECLSPEC int opal_error_register(const char *project,
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int err_base, int err_max,
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opal_err2str_fn_t converter);
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END_C_DECLS
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#endif /* OPAL_UTIL_ERROR_H */
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