-/* $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
#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,
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