libvirt/src/util/virerror.h
Jiri Denemark 9d0a2af6c2 Introduce virErrorCopyNew
A helper function for copying error objects.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2015-07-10 11:47:13 +02:00

200 lines
10 KiB
C

/*
* virerror.h: error handling and reporting code for libvirt
*
* Copyright (C) 2006-2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VIRT_ERROR_H_
# define __VIRT_ERROR_H_
# include "internal.h"
extern virErrorFunc virErrorHandler;
extern void *virUserData;
/************************************************************************
* *
* API for error handling *
* *
************************************************************************/
int virErrorInitialize(void);
void virRaiseErrorFull(const char *filename,
const char *funcname,
size_t linenr,
int domain,
int code,
virErrorLevel level,
const char *str1,
const char *str2,
const char *str3,
int int1,
int int2,
const char *fmt, ...)
ATTRIBUTE_FMT_PRINTF(12, 13);
void virRaiseErrorObject(const char *filename,
const char *funcname,
size_t linenr,
virErrorPtr err);
void virReportErrorHelper(int domcode, int errcode,
const char *filename,
const char *funcname,
size_t linenr,
const char *fmt, ...)
ATTRIBUTE_FMT_PRINTF(6, 7);
void virReportSystemErrorFull(int domcode,
int theerrno,
const char *filename,
const char *funcname,
size_t linenr,
const char *fmt, ...)
ATTRIBUTE_FMT_PRINTF(6, 7);
# define virReportSystemError(theerrno, fmt,...) \
virReportSystemErrorFull(VIR_FROM_THIS, \
(theerrno), \
__FILE__, __FUNCTION__, __LINE__, \
(fmt), __VA_ARGS__)
# define virReportInvalidNullArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must be NULL"), \
#argname, __FUNCTION__)
# define virReportInvalidNonNullArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must not be NULL"), \
#argname, __FUNCTION__)
# define virReportInvalidEmptyStringArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("string %s in %s must not be empty"), \
#argname, __FUNCTION__)
# define virReportInvalidPositiveArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must be greater than zero"), \
#argname, __FUNCTION__)
# define virReportInvalidNonZeroArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must not be zero"), \
#argname, __FUNCTION__)
# define virReportInvalidZeroArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must be zero"), \
#argname, __FUNCTION__)
# define virReportInvalidNonNegativeArg(argname) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
_("%s in %s must be zero or greater"), \
#argname, __FUNCTION__)
# define virReportInvalidArg(argname, fmt, ...) \
virRaiseErrorFull(__FILE__, __FUNCTION__, __LINE__, \
VIR_FROM_THIS, \
VIR_ERR_INVALID_ARG, \
VIR_ERR_ERROR, \
__FUNCTION__, \
#argname, \
NULL, \
0, 0, \
(fmt), __VA_ARGS__)
# define virReportUnsupportedError() \
virReportErrorHelper(VIR_FROM_THIS, VIR_ERR_NO_SUPPORT, \
__FILE__, __FUNCTION__, __LINE__, __FUNCTION__)
# define virReportRestrictedError(...) \
virReportErrorHelper(VIR_FROM_THIS, VIR_ERR_OPERATION_DENIED, \
__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
void virReportOOMErrorFull(int domcode,
const char *filename,
const char *funcname,
size_t linenr);
# define virReportOOMError() \
virReportOOMErrorFull(VIR_FROM_THIS, __FILE__, __FUNCTION__, __LINE__)
# define virReportError(code, ...) \
virReportErrorHelper(VIR_FROM_THIS, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
# define virReportErrorObject(obj) \
virRaiseErrorObject(__FILE__, __FUNCTION__, __LINE__, obj)
int virSetError(virErrorPtr newerr);
virErrorPtr virErrorCopyNew(virErrorPtr err);
void virDispatchError(virConnectPtr conn);
const char *virStrerror(int theerrno, char *errBuf, size_t errBufLen);
typedef int (*virErrorLogPriorityFunc)(virErrorPtr, int);
void virSetErrorLogPriorityFunc(virErrorLogPriorityFunc func);
void virErrorSetErrnoFromLastError(void);
bool virLastErrorIsSystemErrno(int errnum);
#endif