reactos/rossubsys/posix/lib/psxdll/misc/main.c

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/* $Id: main.c,v 1.6 2002/10/29 04:45:33 rex Exp $
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS POSIX+ Subsystem
* FILE: subsys/psx/lib/psxdll/misc/main.c
* PURPOSE: psxdll.dll entry point
* PROGRAMMER: KJK::Hyperion <noog@libero.it>
* UPDATE HISTORY:
* 27/12/2001: Created
*/
#include <ddk/ntddk.h>
#include <string.h>
#include <psx/debug.h>
#include <psx/fdtable.h>
#include <psx/pdata.h>
#include <psx/stdlib.h>
#include <psx/tls.h>
#define DLL_PROCESS_ATTACH 1
#define DLL_THREAD_ATTACH 2
#define DLL_THREAD_DETACH 3
#define DLL_PROCESS_DETACH 0
/* WARNING: PRELIMINARY CODE FOR DEBUGGING PURPOSES ONLY - DO NOT CHANGE */
static __PDX_PDATA __PdxPdata;
static WCHAR __tempPathBuf[32768];
static char * __tempSelf = "-sh";
static char * __tempArgv[2] = {0, 0};
VOID __PdxSetProcessData(__PPDX_PDATA NewPdata)
{
memcpy(&__PdxPdata, NewPdata, sizeof(__PdxPdata));
}
__PPDX_PDATA __PdxGetProcessData(VOID)
{
return &__PdxPdata;
}
BOOL STDCALL DllMain(PVOID pDllInstance, DWORD nReason, PVOID pUnknown)
{
ULONG nJunk;
switch(nReason)
{
/* process created, first thread created */
case DLL_PROCESS_ATTACH:
{
__PPDX_TDATA ThreadData;
int i;
INFO("new process and new thread created");
__PdxPdata.Spawned = 1;
__PdxPdata.ArgCount = 1;
__tempArgv[0] = __tempSelf;
__PdxPdata.ArgVect = __tempArgv;
__PdxPdata.NativePathBuffer.Length = 0;
__PdxPdata.NativePathBuffer.MaximumLength = sizeof(__tempPathBuf);
__PdxPdata.NativePathBuffer.Buffer = __tempPathBuf;
INFO("about to initialize process data lock");
RtlInitializeCriticalSection(&__PdxPdata.Lock);
INFO("about to allocate TLS slot");
__PdxPdata.TlsIndex = RtlFindClearBitsAndSet(NtCurrentPeb()->TlsBitmap, 1, 0);
if(__PdxPdata.TlsIndex == -1)
{
DbgBreakPoint();
NtRaiseHardError(STATUS_NO_MEMORY, 0, 0, 0, 1, (ULONG)&nJunk);
return (FALSE);
}
INFO("allocated TLS slot %d", __PdxPdata.TlsIndex);
INFO("about to allocate thread data");
ThreadData = __malloc(sizeof(*ThreadData));
if(ThreadData == 0)
{
DbgBreakPoint();
NtRaiseHardError(STATUS_NO_MEMORY, 0, 0, 0, 1, (ULONG)&nJunk);
return (FALSE);
}
NtCurrentTeb()->TlsSlots[__PdxPdata.TlsIndex] = ThreadData;
INFO("about to initialize file descriptors table");
__fdtable_init(&__PdxPdata.FdTable);
INFO("end of initialization");
return (TRUE);
}
/* process about to exit */
case DLL_PROCESS_DETACH:
{
INFO("process about to exit");
INFO("about to deallocate thread data");
__free(NtCurrentTeb()->TlsSlots[__PdxPdata.TlsIndex]);
return (TRUE);
}
/* thread created */
case DLL_THREAD_ATTACH:
{
__PPDX_TDATA ThreadData;
INFO("new thread created");
INFO("about to allocate thread data");
ThreadData = __malloc(sizeof(*ThreadData));
if(ThreadData == 0)
{
DbgBreakPoint();
NtRaiseHardError(STATUS_NO_MEMORY, 0, 0, 0, 1, (ULONG)&nJunk);
return (FALSE);
}
NtCurrentTeb()->TlsSlots[__PdxPdata.TlsIndex] = ThreadData;
return (TRUE);
}
/* thread exited */
case DLL_THREAD_DETACH:
{
INFO("thread about to exit");
INFO("about to deallocate thread data");
__free(NtCurrentTeb()->TlsSlots[__PdxPdata.TlsIndex]);
return (TRUE);
}
}
return (FALSE);
}
/* EOF */