-/* $Id: pdata.h,v 1.2 2002/02/20 09:17:55 hyperion Exp $
+/* $Id: pdata.h,v 1.3 2002/03/07 05:48:35 hyperion Exp $
*/
/*
* psx/pdata.h
/* TYPES */
typedef struct __tagPDX_PDATA
{
- UNICODE_STRING NativePathBuffer;
- UNICODE_STRING CurDir;
- UNICODE_STRING RootPath;
- HANDLE RootHandle;
- __fdtable_t *FdTable;
+ 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 exesc() */
+ 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 */
} __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;
+
/* CONSTANTS */
/* PROTOTYPES */