ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-01-04 17:34:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: more ntpapi for Windows.

Browse Source 
Change-Id: I616b09502302be9e3017db7e99cf4dcf8697f32f
This commit is contained in:
Leo Yuriev 2017-12-25 18:31:59 +03:00
parent 24a8bdec49
commit 91a9d4d916
1 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/osal.c
View File

@ -1,4 +1,4 @@
/* https://en.wikipedia.org/wiki/Operating_system_abstraction_layer */
/* https://en.wikipedia.org/wiki/Operating_system_abstraction_layer */
/*
* Copyright 2015-2017 Leonid Yuriev <leo@yuriev.ru>
@ -61,6 +61,24 @@ extern NTSTATUS NTAPI NtCreateSection(
IN OPTIONAL PLARGE_INTEGER MaximumSize, IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes, IN OPTIONAL HANDLE FileHandle);
typedef struct _SECTION_BASIC_INFORMATION {
ULONG Unknown;
ULONG SectionAttributes;
LARGE_INTEGER SectionSize;
} SECTION_BASIC_INFORMATION, *PSECTION_BASIC_INFORMATION;
typedef enum _SECTION_INFORMATION_CLASS {
SectionBasicInformation,
SectionImageInformation,
SectionRelocationInformation, // name:wow64:whNtQuerySection_SectionRelocationInformation
MaxSectionInfoClass
} SECTION_INFORMATION_CLASS;
extern NTSTATUS NTAPI NtQuerySection(
IN HANDLE SectionHandle, IN SECTION_INFORMATION_CLASS InformationClass,
OUT PVOID InformationBuffer, IN ULONG InformationBufferSize,
OUT PULONG ResultLength OPTIONAL);
extern NTSTATUS NTAPI NtExtendSection(IN HANDLE SectionHandle,
IN PLARGE_INTEGER NewSectionSize);
@ -839,8 +857,10 @@ int mdbx_mmap(int flags, mdbx_mmap_t *map, size_t must, size_t limit) {
rc = NtCreateSection(
&map->section,
/* DesiredAccess */ SECTION_MAP_READ | SECTION_EXTEND_SIZE |
((flags & MDBX_WRITEMAP) ? SECTION_MAP_WRITE : 0),
/* DesiredAccess */ (flags & MDBX_WRITEMAP)
? SECTION_QUERY | SECTION_MAP_READ | SECTION_EXTEND_SIZE |
SECTION_MAP_WRITE
: SECTION_QUERY | SECTION_MAP_READ | SECTION_EXTEND_SIZE,
/* ObjectAttributes */ NULL, /* MaximumSize */ NULL,
/* SectionPageProtection */ (flags & MDBX_RDONLY) ? PAGE_READONLY
: PAGE_READWRITE,