finally (and hopefully) functional __PdxSpawnPosixProcess. To be tested
authorKJK::Hyperion <hackbunny@reactos.org>
Sun, 10 Mar 2002 17:09:46 +0000 (17:09 +0000)
committerKJK::Hyperion <hackbunny@reactos.org>
Sun, 10 Mar 2002 17:09:46 +0000 (17:09 +0000)
svn path=/trunk/; revision=2693

posix/lib/psxdll/misc/spawn.c

index 4c14f00..3be3473 100644 (file)
@@ -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
  */
 /*
  * COPYRIGHT:   See COPYING in the top level directory
 #include <psx/pdata.h>
 #include <psx/stdlib.h>
 
 #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,
 (
  OUT PHANDLE ProcessHandle,
  OUT PHANDLE ThreadHandle,