mirror of
https://github.com/reactos/reactos.git
synced 2024-12-27 09:34:43 +00:00
finally (and hopefully) functional __PdxSpawnPosixProcess. To be tested
svn path=/trunk/; revision=2693
This commit is contained in:
KJK::Hyperion
parent
cabe571090
commit
2e992926e3
1 changed files with 2 additions and 302 deletions
|
|
@ -1,4 +1,4 @@
|
|||
/* $Id: spawn.c,v 1.2 2002/03/07 06:08:00 hyperion Exp $
|
||||
/* $Id: spawn.c,v 1.3 2002/03/10 17:09:46 hyperion Exp $
|
||||
*/
|
||||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
|
|
@ -32,307 +32,7 @@
|
|||
#include <psx/pdata.h>
|
||||
#include <psx/stdlib.h>
|
||||
|
||||
VOID
|
||||
__PdxSerializeProcessData
|
||||
(
|
||||
IN __PPDX_PDATA ProcessData,
|
||||
OUT __PPDX_SERIALIZED_PDATA *SerializedProcessData
|
||||
)
|
||||
{
|
||||
__PPDX_SERIALIZED_PDATA pspdProcessData = 0;
|
||||
NTSTATUS nErrCode;
|
||||
PBYTE pBufferTail;
|
||||
ULONG ulAllocSize = sizeof(__PDX_SERIALIZED_PDATA) - 1;
|
||||
size_t *pnArgLengths;
|
||||
size_t *pnEnvVarsLengths;
|
||||
int nEnvVarsCount;
|
||||
int i;
|
||||
|
||||
/* calculate buffer length */
|
||||
/* FIXME please! this is the most inefficient way to do it */
|
||||
|
||||
/* argv */
|
||||
pnArgLengths = __malloc(ProcessData->ArgCount * sizeof(size_t));
|
||||
|
||||
for(i = 0; i < ProcessData->ArgCount; i ++)
|
||||
{
|
||||
int nStrLen = strlen(ProcessData->ArgVect[i]) + 1;
|
||||
ulAllocSize += nStrLen;
|
||||
pnArgLengths[i] = nStrLen;
|
||||
|
||||
INFO
|
||||
(
|
||||
"argument %d: \"%s\", length %d\n",
|
||||
i,
|
||||
ProcessData->ArgVect[i],
|
||||
nStrLen
|
||||
);
|
||||
}
|
||||
|
||||
/* environ */
|
||||
pnEnvVarsLengths = 0;
|
||||
nEnvVarsCount = 0;
|
||||
|
||||
for(i = 0; *(ProcessData->Environment)[i] != 0; i++)
|
||||
{
|
||||
int nStrLen = strlen(*(ProcessData->Environment)[i]) + 1;
|
||||
ulAllocSize += nStrLen;
|
||||
|
||||
nEnvVarsCount ++;
|
||||
__realloc(pnEnvVarsLengths, nEnvVarsCount * sizeof(size_t));
|
||||
pnEnvVarsLengths[i] = nStrLen;
|
||||
|
||||
INFO
|
||||
(
|
||||
"environment variable %d: \"%s\", length %d\n",
|
||||
i,
|
||||
*(ProcessData->Environment)[i],
|
||||
nStrLen
|
||||
);
|
||||
}
|
||||
|
||||
INFO("(%d environment variables were found)\n", nEnvVarsCount);
|
||||
|
||||
/* current directory */
|
||||
ulAllocSize += ProcessData->CurDir.Length;
|
||||
INFO
|
||||
(
|
||||
"current directory: \"%Z\", length %d\n",
|
||||
&ProcessData->CurDir,
|
||||
ProcessData->CurDir.Length
|
||||
);
|
||||
|
||||
/* root directory */
|
||||
ulAllocSize += ProcessData->RootPath.Length;
|
||||
INFO
|
||||
(
|
||||
"root directory: \"%Z\", length %d\n",
|
||||
&ProcessData->RootPath,
|
||||
ProcessData->RootPath.Length
|
||||
);
|
||||
|
||||
/* file descriptors table */
|
||||
ulAllocSize += sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors;
|
||||
INFO
|
||||
(
|
||||
"descriptors table contains %d allocated descriptors, combined length %d\n",
|
||||
ProcessData->FdTable.AllocatedDescriptors,
|
||||
sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors
|
||||
);
|
||||
|
||||
/* extra descriptors data */
|
||||
for(i = 0; ProcessData->FdTable.AllocatedDescriptors; i ++)
|
||||
if(ProcessData->FdTable.Descriptors[i].ExtraData != NULL)
|
||||
{
|
||||
ulAllocSize += ProcessData->FdTable.Descriptors[i].ExtraDataSize;
|
||||
|
||||
INFO
|
||||
(
|
||||
"descriptor %d has %d bytes of associated data\n",
|
||||
i,
|
||||
ProcessData->FdTable.Descriptors[i].ExtraDataSize
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
/* allocate return block */
|
||||
INFO("about to allocate %d bytes\n", ulAllocSize);
|
||||
|
||||
nErrCode = NtAllocateVirtualMemory
|
||||
(
|
||||
NtCurrentProcess(),
|
||||
(PVOID *)&pspdProcessData,
|
||||
0,
|
||||
&ulAllocSize,
|
||||
MEM_COMMIT,
|
||||
PAGE_READWRITE
|
||||
);
|
||||
|
||||
/* failure */
|
||||
if(!NT_SUCCESS(nErrCode))
|
||||
{
|
||||
ERR("NtAllocateVirtualMemory() failed with status 0x%08X\n", nErrCode);
|
||||
__free(pnArgLengths);
|
||||
__free(pnEnvVarsLengths);
|
||||
*SerializedProcessData = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
INFO("%d bytes actually allocated\n", ulAllocSize);
|
||||
pspdProcessData->AllocSize = ulAllocSize;
|
||||
|
||||
/* copy data */
|
||||
/* static data */
|
||||
memcpy(&pspdProcessData->ProcessData, ProcessData, sizeof(__PDX_PDATA));
|
||||
|
||||
/* buffers */
|
||||
pBufferTail = &pspdProcessData->Buffer[0];
|
||||
INFO("buffer tail begins at 0x%08X\n", pBufferTail);
|
||||
|
||||
/* argv */
|
||||
pspdProcessData->ProcessData.ArgVect = 0;
|
||||
|
||||
for(i = 0; i < ProcessData->ArgCount; i ++)
|
||||
{
|
||||
INFO
|
||||
(
|
||||
"copying %d bytes of argument %d (\"%s\") to 0x%08X\n",
|
||||
pnArgLengths[i],
|
||||
i,
|
||||
ProcessData->ArgVect[i],
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
strncpy(pBufferTail, ProcessData->ArgVect[i], pnArgLengths[i]);
|
||||
pBufferTail += pnArgLengths[i];
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
pnArgLengths[i],
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
__free(pnArgLengths);
|
||||
|
||||
/* environ */
|
||||
pspdProcessData->ProcessData.Environment = (char ***)nEnvVarsCount;
|
||||
|
||||
for(i = 0; i < nEnvVarsCount; i ++)
|
||||
{
|
||||
INFO
|
||||
(
|
||||
"copying %d bytes of environment variable %d (\"%s\") to 0x%08X\n",
|
||||
pnEnvVarsLengths[i],
|
||||
i,
|
||||
ProcessData->Environment[i],
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
strncpy(pBufferTail, *ProcessData->Environment[i], pnEnvVarsLengths[i]);
|
||||
pBufferTail += pnEnvVarsLengths[i];
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
pnEnvVarsLengths[i],
|
||||
pBufferTail
|
||||
);
|
||||
}
|
||||
|
||||
__free(pnEnvVarsLengths);
|
||||
|
||||
/* current directory */
|
||||
INFO
|
||||
(
|
||||
"copying %d bytes of current directory (\"%Z\") to 0x%08X\n",
|
||||
ProcessData->CurDir.Length,
|
||||
&ProcessData->CurDir,
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
memcpy(pBufferTail, ProcessData->CurDir.Buffer, ProcessData->CurDir.Length);
|
||||
pBufferTail += ProcessData->CurDir.Length;
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
ProcessData->CurDir.Length,
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
/* root directory */
|
||||
INFO
|
||||
(
|
||||
"copying %d bytes of root directory (\"%Z\") to 0x%08X\n",
|
||||
ProcessData->RootPath.Length,
|
||||
&ProcessData->RootPath,
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
memcpy
|
||||
(
|
||||
pBufferTail,
|
||||
ProcessData->RootPath.Buffer,
|
||||
ProcessData->RootPath.Length
|
||||
);
|
||||
|
||||
pBufferTail += ProcessData->RootPath.Length;
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
ProcessData->RootPath.Length,
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
/* file descriptors table */
|
||||
/* save the offset to the descriptors array */
|
||||
pspdProcessData->ProcessData.FdTable.Descriptors =
|
||||
(PVOID)((ULONG)pBufferTail - (ULONG)pspdProcessData);
|
||||
|
||||
INFO
|
||||
(
|
||||
"descriptors table contains %d allocated descriptors, combined length %d\n",
|
||||
ProcessData->FdTable.AllocatedDescriptors,
|
||||
sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors
|
||||
);
|
||||
|
||||
memcpy
|
||||
(
|
||||
pBufferTail,
|
||||
ProcessData->FdTable.Descriptors,
|
||||
sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors
|
||||
);
|
||||
|
||||
pBufferTail +=
|
||||
sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors;
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
sizeof(__fildes_t) * ProcessData->FdTable.AllocatedDescriptors,
|
||||
pBufferTail
|
||||
);
|
||||
|
||||
/* extra descriptors data */
|
||||
for(i = 0; ProcessData->FdTable.AllocatedDescriptors; i ++)
|
||||
if(ProcessData->FdTable.Descriptors[i].ExtraData != 0)
|
||||
{
|
||||
INFO
|
||||
(
|
||||
"descriptor %d has %d bytes of associated data\n",
|
||||
i,
|
||||
ProcessData->FdTable.Descriptors[i].ExtraDataSize
|
||||
);
|
||||
|
||||
memcpy
|
||||
(
|
||||
pBufferTail,
|
||||
ProcessData->FdTable.Descriptors[i].ExtraData,
|
||||
ProcessData->FdTable.Descriptors[i].ExtraDataSize
|
||||
);
|
||||
|
||||
pBufferTail += ProcessData->FdTable.Descriptors[i].ExtraDataSize;
|
||||
|
||||
INFO
|
||||
(
|
||||
"buffer tail increased by %d bytes, new tail at 0x%08X\n",
|
||||
ProcessData->FdTable.Descriptors[i].ExtraDataSize,
|
||||
pBufferTail
|
||||
);
|
||||
}
|
||||
|
||||
/* success */
|
||||
*SerializedProcessData = pspdProcessData;
|
||||
}
|
||||
|
||||
NTSYSAPI
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
__PdxSpawnPosixProcess
|
||||
NTSTATUS STDCALL __PdxSpawnPosixProcess
|
||||
(
|
||||
OUT PHANDLE ProcessHandle,
|
||||
OUT PHANDLE ThreadHandle,
|
||||
|
|
|
|||
Loading…
Reference in a new issue