PostgreSQL Source Code  git master
win32ntdll.h File Reference
#include <ntstatus.h>
#include <winternl.h>
Include dependency graph for win32ntdll.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros

#define FLUSH_FLAGS_FILE_DATA_SYNC_ONLY   0x4
 

Typedefs

typedef NTSTATUS(__stdcall * RtlGetLastNtStatus_t) (void)
 
typedef ULONG(__stdcall * RtlNtStatusToDosError_t) (NTSTATUS)
 
typedef NTSTATUS(__stdcall * NtFlushBuffersFileEx_t) (HANDLE, ULONG, PVOID, ULONG, PIO_STATUS_BLOCK)
 

Functions

int initialize_ntdll (void)
 

Variables

PGDLLIMPORT RtlGetLastNtStatus_t pg_RtlGetLastNtStatus
 
PGDLLIMPORT RtlNtStatusToDosError_t pg_RtlNtStatusToDosError
 
PGDLLIMPORT NtFlushBuffersFileEx_t pg_NtFlushBuffersFileEx
 

Macro Definition Documentation

◆ FLUSH_FLAGS_FILE_DATA_SYNC_ONLY

#define FLUSH_FLAGS_FILE_DATA_SYNC_ONLY   0x4

Definition at line 21 of file win32ntdll.h.

Typedef Documentation

◆ NtFlushBuffersFileEx_t

typedef NTSTATUS(__stdcall * NtFlushBuffersFileEx_t) (HANDLE, ULONG, PVOID, ULONG, PIO_STATUS_BLOCK)

Definition at line 26 of file win32ntdll.h.

◆ RtlGetLastNtStatus_t

typedef NTSTATUS(__stdcall * RtlGetLastNtStatus_t) (void)

Definition at line 24 of file win32ntdll.h.

◆ RtlNtStatusToDosError_t

typedef ULONG(__stdcall * RtlNtStatusToDosError_t) (NTSTATUS)

Definition at line 25 of file win32ntdll.h.

Function Documentation

◆ initialize_ntdll()

int initialize_ntdll ( void  )

Definition at line 39 of file win32ntdll.c.

40 {
41  HMODULE module;
42 
43  if (initialized)
44  return 0;
45 
46  if (!(module = LoadLibraryEx("ntdll.dll", NULL, 0)))
47  {
48  _dosmaperr(GetLastError());
49  return -1;
50  }
51 
52  for (int i = 0; i < lengthof(routines); ++i)
53  {
54  pg_funcptr_t address;
55 
56  address = (pg_funcptr_t) GetProcAddress(module, routines[i].name);
57  if (!address)
58  {
59  _dosmaperr(GetLastError());
60  FreeLibrary(module);
61 
62  return -1;
63  }
64 
65  *(pg_funcptr_t *) routines[i].address = address;
66  }
67 
68  initialized = true;
69 
70  return 0;
71 }
#define lengthof(array)
Definition: c.h:788
void(* pg_funcptr_t)(void)
Definition: c.h:388
int i
Definition: isn.c:73
const char * name
void _dosmaperr(unsigned long)
Definition: win32error.c:177
static const NtDllRoutine routines[]
Definition: win32ntdll.c:30
static bool initialized
Definition: win32ntdll.c:36

References _dosmaperr(), i, initialized, lengthof, name, and routines.

Referenced by fdatasync().

Variable Documentation

◆ pg_NtFlushBuffersFileEx

PGDLLIMPORT NtFlushBuffersFileEx_t pg_NtFlushBuffersFileEx
extern

Definition at line 22 of file win32ntdll.c.

Referenced by fdatasync().

◆ pg_RtlGetLastNtStatus

PGDLLIMPORT RtlGetLastNtStatus_t pg_RtlGetLastNtStatus
extern

Definition at line 20 of file win32ntdll.c.

Referenced by _pglstat64(), and _pgstat64().

◆ pg_RtlNtStatusToDosError

PGDLLIMPORT RtlNtStatusToDosError_t pg_RtlNtStatusToDosError
extern

Definition at line 21 of file win32ntdll.c.

Referenced by fdatasync().