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