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POSIX+ says goodbye and leaves. It used to be fun, now it's just painful

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svn path=/trunk/; revision=3653
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KJK::Hyperion 2002-10-24 23:29:19 +00:00
parent a42476b9fb
commit 6efd5e3b01
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135
posix/include/psx/pdata.h
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/* $Id: pdata.h,v 1.6 2002/05/17 01:49:53 hyperion Exp $
*/
/*
* psx/pdata.h
*
* POSIX+ subsystem process environment data structure
*
* This file is part of the ReactOS Operating System.
*
* Contributors:
* Created by KJK::Hyperion <noog@libero.it>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __PSX_PDATA_H_INCLUDED__
#define __PSX_PDATA_H_INCLUDED__
/* INCLUDES */
#include <ddk/ntddk.h>
#include <ntdll/rtl.h>
#include <limits.h>
#include <psx/fdtable.h>
/* OBJECTS */
/* TYPES */
typedef struct __tagPDX_PDATA
{
BOOL Spawned; /* TRUE if process has been created through __PdxSpawnPosixProcess() */
int ArgCount; /* count of arguments passed to exec() */
char **ArgVect; /* array of arguments passed to exec() */
char ***Environment; /* pointer to user-provided environ variable */
UNICODE_STRING NativePathBuffer; /* static buffer used by low-level calls for pathname conversions */
UNICODE_STRING CurDir; /* current working directory */
UNICODE_STRING RootPath; /* NT path to the process's root directory */
HANDLE RootHandle; /* handle to the process's root directory */
__fdtable_t FdTable; /* file descriptors table */
/* WARNING: PRELIMINARY CODE FOR DEBUGGING PURPOSES ONLY - DO NOT CHANGE */
CRITICAL_SECTION Lock;
LONG TlsIndex;
} __PDX_PDATA, * __PPDX_PDATA;
/* serialized process data block, used by __PdxSpawnPosixProcess() and __PdxExecThunk().
The layout of buffers inside the Buffer byte array is as following:
ArgVect[0] + null byte
ArgVect[1] + null byte
...
ArgVect[ArgCount - 1] + null byte
Environment[0] + null byte
Environment[1] + null byte
...
Environment[n - 1] + null byte (NOTE: the value of n is stored in ProcessData.Environment)
CurDir.Buffer
RootPath.Buffer
FdTable.Descriptors[0]
FdTable.Descriptors[1]
...
FdTable.Descriptors[FdTable.AllocatedDescriptors - 1]
FdTable.Descriptors[x].ExtraData
FdTable.Descriptors[y].ExtraData
...
padding for page boundary alignment
*/
typedef struct __tagPDX_SERIALIZED_PDATA
{
__PDX_PDATA ProcessData;
ULONG AllocSize;
BYTE Buffer[1];
} __PDX_SERIALIZED_PDATA, *__PPDX_SERIALIZED_PDATA;
typedef struct __tagPDX_TDATA
{
__PPDX_PDATA ProcessData;
int ErrNum;
} __PDX_TDATA, * __PPDX_TDATA;
/* CONSTANTS */
/* PROTOTYPES */
NTSTATUS STDCALL __PdxSerializeProcessData(IN __PPDX_PDATA, OUT __PPDX_SERIALIZED_PDATA *);
NTSTATUS STDCALL __PdxUnserializeProcessData(IN OUT __PPDX_SERIALIZED_PDATA *, OUT __PPDX_PDATA * OPTIONAL);
NTSTATUS
STDCALL
__PdxProcessDataToProcessParameters
(
OUT PRTL_USER_PROCESS_PARAMETERS *ProcessParameters,
IN __PPDX_PDATA ProcessData,
IN PUNICODE_STRING ImageFile
);
/* MACROS */
/* WARNING: PRELIMINARY CODE FOR DEBUGGING PURPOSES ONLY - DO NOT CHANGE */
VOID __PdxSetProcessData(__PPDX_PDATA);
__PPDX_PDATA __PdxGetProcessData(VOID);
#include <ddk/ntddk.h>
#define __PdxAcquirePdataLock() (RtlEnterCriticalSection(&__PdxGetProcessData()->Lock))
#define __PdxReleasePdataLock() (RtlLeaveCriticalSection(&__PdxGetProcessData()->Lock))
#if 0
#define __PdxAcquirePdataLock() (RtlAcquirePebLock())
#define __PdxReleasePdataLock() (RtlReleasePebLock())
#define __PdxSetProcessData(PPDATA) ((void)((NtCurrentPeb()->SubSystemData) = (PPDATA)))
#define __PdxGetProcessData() ((__PPDX_PDATA)(&(NtCurrentPeb()->SubSystemData)))
#endif
#define __PdxGetNativePathBuffer() ((PUNICODE_STRING)(&(__PdxGetProcessData()->NativePathBuffer)))
#define __PdxGetCurDir() ((PUNICODE_STRING)(&(__PdxGetProcessData()->CurDir)))
#define __PdxGetRootPath() ((PUNICODE_STRING)(&(__PdxGetProcessData()->RootPath)))
#define __PdxGetRootHandle() ((HANDLE)(__PdxGetProcessData()->RootHandle))
#define __PdxGetFdTable() ((__fdtable_t *)(__PdxGetProcessData()->FdTable))
#define __PdxSetNativePathBuffer(BUF) ((void)((__PdxGetProcessData()->NativePathBuffer) = (BUF)))
#define __PdxSetCurDir(CURDIR) ((void)((__PdxGetProcessData()->CurDir) = (CURDIR)))
#define __PdxSetRootPath(ROOTPATH) ((void)((__PdxGetProcessData()->RootPath) = (ROOTPATH)))
#define __PdxSetRootHandle(ROOTHANDLE) ((void)((__PdxGetProcessData()->RootHandle) = (ROOTHANDLE)))
#define __PdxSetFdTable(FDTABLE) ((void)((__PdxGetProcessData()->FdTable) = (FDTABLE)))
#endif /* __PSX_PDATA_H_INCLUDED__ */
/* EOF */