mirror of
https://github.com/isar/libmdbx.git
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mdbx: add mdbx_osal.h with platform-like err codes.
This commit is contained in:
Leo Yuriev
parent
f7507110ef
commit
2e54210e79
2
Makefile
2
Makefile
@ -42,7 +42,7 @@ LIBRARIES := libmdbx.a libmdbx.so
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TOOLS := mdbx_stat mdbx_copy mdbx_dump mdbx_load mdbx_chk
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MANPAGES := mdbx_stat.1 mdbx_copy.1 mdbx_dump.1 mdbx_load.1
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MDBX_SRC := mdbx.h $(addprefix src/, mdbx.c osal.c lck-posix.c defs.h bits.h osal.h midl.h)
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MDBX_SRC := mdbx.h mdbx_osal.h $(addprefix src/, mdbx.c osal.c lck-posix.c defs.h bits.h osal.h midl.h)
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.PHONY: mdbx all install clean check coverage
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@ -3,6 +3,7 @@ LICENSE
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Makefile
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README.md
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mdbx.h
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mdbx_osal.h
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src/bits.h
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src/defs.h
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src/lck-posix.c
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89
mdbx.h
89
mdbx.h
@ -52,95 +52,8 @@
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#ifndef _MDBX_H_
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#define _MDBX_H_
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#define MDBX_MODE_ENABLED 1
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#ifndef __has_attribute
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# define __has_attribute(x) (0)
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#endif
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#ifndef __dll_export
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# if defined(_WIN32) || defined(__CYGWIN__)
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# if defined(__GNUC__) || __has_attribute(dllexport)
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# define __dll_export __attribute__((dllexport))
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# elif defined(_MSC_VER)
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# define __dll_export __declspec(dllexport)
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# else
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# define __dll_export
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# endif
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# elif defined(__GNUC__) || __has_attribute(visibility)
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# define __dll_export __attribute__((visibility("default")))
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# else
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# define __dll_export
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# endif
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#endif /* __dll_export */
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#ifndef __dll_import
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# if defined(_WIN32) || defined(__CYGWIN__)
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# if defined(__GNUC__) || __has_attribute(dllimport)
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# define __dll_import __attribute__((dllimport))
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# elif defined(_MSC_VER)
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# define __dll_import __declspec(dllimport)
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# else
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# define __dll_import
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# endif
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# else
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# define __dll_import
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# endif
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#endif /* __dll_import */
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#if defined(LIBMDBX_EXPORTS)
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# define LIBMDBX_API __dll_export
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#elif defined(LIBMDBX_IMPORTS)
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# define LIBMDBX_API __dll_import
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#else
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# define LIBMDBX_API
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#endif /* LIBMDBX_API */
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4514) /* 'xyz': unreferenced inline function \
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has been removed */
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#pragma warning(disable : 4710) /* 'xyz': function not inlined */
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#pragma warning(disable : 4711) /* function 'xyz' selected for \
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automatic inline expansion */
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#pragma warning(disable : 4061) /* enumerator 'abc' in switch of enum \
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'xyz' is not explicitly handled by a case \
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label */
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#pragma warning(disable : 4201) /* nonstandard extension used : \
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nameless struct / union */
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#pragma warning(disable : 4127) /* conditional expression is constant \
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*/
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#pragma warning(push, 1)
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#pragma warning(disable : 4530) /* C++ exception handler used, but \
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unwind semantics are not enabled. Specify \
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/EHsc */
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#pragma warning(disable : 4577) /* 'noexcept' used with no exception \
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handling mode specified; termination on \
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exception is not guaranteed. Specify /EHsc \
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*/
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#endif /* _MSC_VER (warnings) */
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#if defined(_WIN32) || defined(_WIN64)
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# include <windows.h>
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# include <winnt.h>
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typedef unsigned mode_t;
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typedef HANDLE mdbx_filehandle_t;
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typedef DWORD mdbx_pid_t;
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typedef DWORD mdbx_tid_t;
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#else
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# include <pthread.h> /* for pthread_t */
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# include <sys/uio.h> /* for truct iovec */
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# include <sys/types.h> /* for pid_t */
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# define HAVE_STRUCT_IOVEC 1
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typedef int mdbx_filehandle_t;
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typedef pid_t mdbx_pid_t;
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typedef pthread_t mdbx_tid_t;
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#endif
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#include "mdbx_osal.h"
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#ifdef _MSC_VER
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#pragma warning(pop)
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120
mdbx_osal.h
Normal file
120
mdbx_osal.h
Normal file
@ -0,0 +1,120 @@
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/* https://en.wikipedia.org/wiki/Operating_system_abstraction_layer */
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/*
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* Copyright 2015-2017 Leonid Yuriev <leo@yuriev.ru>
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* and other libmdbx authors: please see AUTHORS file.
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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 only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#pragma once
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#ifndef __has_attribute
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#define __has_attribute(x) (0)
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#endif
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#ifndef __dll_export
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#if defined(_WIN32) || defined(__CYGWIN__)
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#if defined(__GNUC__) || __has_attribute(dllexport)
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#define __dll_export __attribute__((dllexport))
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#elif defined(_MSC_VER)
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#define __dll_export __declspec(dllexport)
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#else
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#define __dll_export
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#endif
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#elif defined(__GNUC__) || __has_attribute(visibility)
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#define __dll_export __attribute__((visibility("default")))
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#else
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#define __dll_export
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#endif
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#endif /* __dll_export */
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#ifndef __dll_import
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#if defined(_WIN32) || defined(__CYGWIN__)
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#if defined(__GNUC__) || __has_attribute(dllimport)
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#define __dll_import __attribute__((dllimport))
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#elif defined(_MSC_VER)
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#define __dll_import __declspec(dllimport)
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#else
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#define __dll_import
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#endif
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#else
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#define __dll_import
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#endif
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#endif /* __dll_import */
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#if defined(LIBMDBX_EXPORTS)
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#define LIBMDBX_API __dll_export
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#elif defined(LIBMDBX_IMPORTS)
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#define LIBMDBX_API __dll_import
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#else
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#define LIBMDBX_API
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#endif /* LIBMDBX_API */
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4514) /* 'xyz': unreferenced inline function \
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has been removed */
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#pragma warning(disable : 4710) /* 'xyz': function not inlined */
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#pragma warning(disable : 4711) /* function 'xyz' selected for \
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automatic inline expansion */
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#pragma warning(disable : 4061) /* enumerator 'abc' in switch of enum \
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'xyz' is not explicitly handled by a case \
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label */
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#pragma warning(disable : 4201) /* nonstandard extension used : \
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nameless struct / union */
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#pragma warning(disable : 4127) /* conditional expression is constant \
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*/
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#pragma warning(push, 1)
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#pragma warning(disable : 4530) /* C++ exception handler used, but \
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unwind semantics are not enabled. Specify \
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/EHsc */
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#pragma warning(disable : 4577) /* 'noexcept' used with no exception \
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handling mode specified; termination on \
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exception is not guaranteed. Specify /EHsc \
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*/
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#endif /* _MSC_VER (warnings) */
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#include <winnt.h>
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typedef unsigned mode_t;
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typedef HANDLE mdbx_filehandle_t;
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typedef DWORD mdbx_pid_t;
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typedef DWORD mdbx_tid_t;
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#define MDBX_ENODATA ERROR_HANDLE_EOF
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#define MDBX_EINVAL ERROR_INVALID_PARAMETER
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#define MDBX_EACCESS ERROR_ACCESS_DENIED
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#define MDBX_ENOMEM ERROR_OUTOFMEMORY
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#else
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#include <errno.h> /* for error codes */
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#include <pthread.h> /* for pthread_t */
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#include <sys/types.h> /* for pid_t */
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#include <sys/uio.h> /* for truct iovec */
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#define HAVE_STRUCT_IOVEC 1
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typedef int mdbx_filehandle_t;
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typedef pid_t mdbx_pid_t;
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typedef pthread_t mdbx_tid_t;
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#define MDBX_ENODATA ENODATA
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#define MDBX_EINVAL EINVAL
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#define MDBX_EACCESS EACCES
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#define MDBX_ENOMEM ENOMEM
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#endif
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/*--------------------------------------------------------------------------*/
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280
src/mdbx.c
280
src/mdbx.c
File diff suppressed because it is too large
Load Diff
@ -337,7 +337,7 @@ int mdbx_pread(mdbx_filehandle_t fd, void *buf, size_t bytes, off_t offset) {
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if (unlikely(!ReadFile(fd, buf, (DWORD)bytes, &read, &ov))) {
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int rc = GetLastError();
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if (rc == ERROR_HANDLE_EOF && read == 0 && offset == 0)
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return ENOENT;
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return MDBX_ENODATA;
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return rc;
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}
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return (read == bytes) ? MDB_SUCCESS : ERROR_READ_FAULT;
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@ -347,7 +347,7 @@ int mdbx_pread(mdbx_filehandle_t fd, void *buf, size_t bytes, off_t offset) {
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return MDB_SUCCESS;
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if (read < 0)
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return errno;
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return (read == 0 && offset == 0) ? ENOENT : EIO;
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return (read == 0 && offset == 0) ? MDBX_ENODATA : EIO;
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#endif
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}
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@ -33,7 +33,6 @@
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#include <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <malloc.h>
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