/* * Win32 processes * * Copyright 1996, 1998 Alexandre Julliard */ #include #include #include #include #include "wine/winbase16.h" #include "process.h" #include "module.h" #include "neexe.h" #include "file.h" #include "global.h" #include "heap.h" #include "task.h" #include "ldt.h" #include "syslevel.h" #include "thread.h" #include "winerror.h" #include "pe_image.h" #include "server.h" #include "options.h" #include "callback.h" #include "debugtools.h" DECLARE_DEBUG_CHANNEL(process) DECLARE_DEBUG_CHANNEL(relay) DECLARE_DEBUG_CHANNEL(win32) /* The initial process PDB */ static PDB initial_pdb; static PDB *PROCESS_First = &initial_pdb; /* Pointer to debugger callback routine */ void (*TASK_AddTaskEntryBreakpoint)( HTASK16 hTask ) = NULL; /*********************************************************************** * PROCESS_WalkProcess */ void PROCESS_WalkProcess(void) { PDB *pdb; char *name; pdb = PROCESS_First; MESSAGE( " pid PDB #th modref module \n" ); while(pdb) { if (pdb == &initial_pdb) name = "initial PDB"; else name = (pdb->exe_modref) ? pdb->exe_modref->shortname : ""; MESSAGE( " %8p %8p %5d %8p %s\n", pdb->server_pid, pdb, pdb->threads, pdb->exe_modref, name); pdb = pdb->next; } return; } /*********************************************************************** * PROCESS_Initial * * FIXME: This works only while running all processes in the same * address space (or, at least, the initial process is mapped * into all address spaces as is KERNEL32 in Windows 95) * */ PDB *PROCESS_Initial(void) { return &initial_pdb; } /*********************************************************************** * PROCESS_IsCurrent * * Check if a handle is to the current process */ BOOL PROCESS_IsCurrent( HANDLE handle ) { struct get_process_info_request *req = get_req_buffer(); req->handle = handle; return (!server_call( REQ_GET_PROCESS_INFO ) && (req->pid == PROCESS_Current()->server_pid)); } /*********************************************************************** * PROCESS_IdToPDB * * Convert a process id to a PDB, making sure it is valid. */ PDB *PROCESS_IdToPDB( DWORD id ) { PDB *pdb; if (!id) return PROCESS_Current(); pdb = PROCESS_First; while (pdb) { if ((DWORD)pdb->server_pid == id) return pdb; pdb = pdb->next; } SetLastError( ERROR_INVALID_PARAMETER ); return NULL; } /*********************************************************************** * PROCESS_CallUserSignalProc * * FIXME: Some of the signals aren't sent correctly! * * The exact meaning of the USER signals is undocumented, but this * should cover the basic idea: * * USIG_DLL_UNLOAD_WIN16 * This is sent when a 16-bit module is unloaded. * * USIG_DLL_UNLOAD_WIN32 * This is sent when a 32-bit module is unloaded. * * USIG_DLL_UNLOAD_ORPHANS * This is sent after the last Win3.1 module is unloaded, * to allow removal of orphaned menus. * * USIG_FAULT_DIALOG_PUSH * USIG_FAULT_DIALOG_POP * These are called to allow USER to prepare for displaying a * fault dialog, even though the fault might have happened while * inside a USER critical section. * * USIG_THREAD_INIT * This is called from the context of a new thread, as soon as it * has started to run. * * USIG_THREAD_EXIT * This is called, still in its context, just before a thread is * about to terminate. * * USIG_PROCESS_CREATE * This is called, in the parent process context, after a new process * has been created. * * USIG_PROCESS_INIT * This is called in the new process context, just after the main thread * has started execution (after the main thread's USIG_THREAD_INIT has * been sent). * * USIG_PROCESS_LOADED * This is called after the executable file has been loaded into the * new process context. * * USIG_PROCESS_RUNNING * This is called immediately before the main entry point is called. * * USIG_PROCESS_EXIT * This is called in the context of a process that is about to * terminate (but before the last thread's USIG_THREAD_EXIT has * been sent). * * USIG_PROCESS_DESTROY * This is called after a process has terminated. * * * The meaning of the dwFlags bits is as follows: * * USIG_FLAGS_WIN32 * Current process is 32-bit. * * USIG_FLAGS_GUI * Current process is a (Win32) GUI process. * * USIG_FLAGS_FEEDBACK * Current process needs 'feedback' (determined from the STARTUPINFO * flags STARTF_FORCEONFEEDBACK / STARTF_FORCEOFFFEEDBACK). * * USIG_FLAGS_FAULT * The signal is being sent due to a fault. */ static void PROCESS_CallUserSignalProcHelper( UINT uCode, DWORD dwThreadOrProcessId, HMODULE hModule, DWORD flags, DWORD startup_flags ) { DWORD dwFlags = 0; /* Determine dwFlags */ if ( !(flags & PDB32_WIN16_PROC) ) dwFlags |= USIG_FLAGS_WIN32; if ( !(flags & PDB32_CONSOLE_PROC) ) dwFlags |= USIG_FLAGS_GUI; if ( dwFlags & USIG_FLAGS_GUI ) { /* Feedback defaults to ON */ if ( !(startup_flags & STARTF_FORCEOFFFEEDBACK) ) dwFlags |= USIG_FLAGS_FEEDBACK; } else { /* Feedback defaults to OFF */ if (startup_flags & STARTF_FORCEONFEEDBACK) dwFlags |= USIG_FLAGS_FEEDBACK; } /* Convert module handle to 16-bit */ if ( HIWORD( hModule ) ) hModule = MapHModuleLS( hModule ); /* Call USER signal proc */ if ( Callout.UserSignalProc ) Callout.UserSignalProc( uCode, dwThreadOrProcessId, dwFlags, hModule ); } /* Call USER signal proc for the current thread/process */ void PROCESS_CallUserSignalProc( UINT uCode, HMODULE hModule ) { DWORD dwThreadOrProcessId; /* Get thread or process ID */ if ( uCode == USIG_THREAD_INIT || uCode == USIG_THREAD_EXIT ) dwThreadOrProcessId = GetCurrentThreadId(); else dwThreadOrProcessId = GetCurrentProcessId(); PROCESS_CallUserSignalProcHelper( uCode, dwThreadOrProcessId, hModule, PROCESS_Current()->flags, PROCESS_Current()->env_db->startup_info->dwFlags ); } /*********************************************************************** * PROCESS_CreateEnvDB * * Create the env DB for a newly started process. */ static BOOL PROCESS_CreateEnvDB(void) { struct init_process_request *req = get_req_buffer(); STARTUPINFOA *startup; ENVDB *env_db; char cmd_line[4096]; PDB *pdb = PROCESS_Current(); /* Allocate the env DB */ if (!(env_db = HeapAlloc( pdb->heap, HEAP_ZERO_MEMORY, sizeof(ENVDB) ))) return FALSE; pdb->env_db = env_db; InitializeCriticalSection( &env_db->section ); /* Allocate and fill the startup info */ if (!(startup = HeapAlloc( pdb->heap, HEAP_ZERO_MEMORY, sizeof(STARTUPINFOA) ))) return FALSE; env_db->startup_info = startup; /* Retrieve startup info from the server */ if (server_call( REQ_INIT_PROCESS )) return FALSE; startup->dwFlags = req->start_flags; startup->wShowWindow = req->cmd_show; env_db->hStdin = startup->hStdInput = req->hstdin; env_db->hStdout = startup->hStdOutput = req->hstdout; env_db->hStderr = startup->hStdError = req->hstderr; lstrcpynA( cmd_line, req->cmdline, sizeof(cmd_line) ); /* Copy the parent environment */ if (!ENV_InheritEnvironment( pdb, req->env_ptr )) return FALSE; /* Copy the command line */ if (!(pdb->env_db->cmd_line = HEAP_strdupA( pdb->heap, 0, cmd_line ))) return FALSE; return TRUE; } /*********************************************************************** * PROCESS_FreePDB * * Free a PDB and all associated storage. */ void PROCESS_FreePDB( PDB *pdb ) { PDB **pptr = &PROCESS_First; ENV_FreeEnvironment( pdb ); while (*pptr && (*pptr != pdb)) pptr = &(*pptr)->next; if (*pptr) *pptr = pdb->next; if (pdb->heap && (pdb->heap != pdb->system_heap)) HeapDestroy( pdb->heap ); HeapFree( SystemHeap, 0, pdb ); } /*********************************************************************** * PROCESS_CreatePDB * * Allocate and fill a PDB structure. * Runs in the context of the parent process. */ static PDB *PROCESS_CreatePDB( PDB *parent, BOOL inherit ) { PDB *pdb = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY, sizeof(PDB) ); if (!pdb) return NULL; pdb->exit_code = 0x103; /* STILL_ACTIVE */ pdb->threads = 1; pdb->running_threads = 1; pdb->ring0_threads = 1; pdb->system_heap = SystemHeap; pdb->parent = parent; pdb->group = pdb; pdb->priority = 8; /* Normal */ pdb->heap = pdb->system_heap; /* will be changed later on */ pdb->next = PROCESS_First; pdb->winver = 0xffff; /* to be determined */ PROCESS_First = pdb; return pdb; } /*********************************************************************** * PROCESS_Init */ BOOL PROCESS_Init(void) { TEB *teb; int server_fd; /* Start the server */ server_fd = CLIENT_InitServer(); /* Fill the initial process structure */ initial_pdb.exit_code = 0x103; /* STILL_ACTIVE */ initial_pdb.threads = 1; initial_pdb.running_threads = 1; initial_pdb.ring0_threads = 1; initial_pdb.group = &initial_pdb; initial_pdb.priority = 8; /* Normal */ initial_pdb.flags = PDB32_WIN16_PROC; initial_pdb.winver = 0xffff; /* to be determined */ /* Initialize virtual memory management */ if (!VIRTUAL_Init()) return FALSE; /* Create the initial thread structure and socket pair */ if (!(teb = THREAD_CreateInitialThread( &initial_pdb, server_fd ))) return FALSE; /* Remember TEB selector of initial process for emergency use */ SYSLEVEL_EmergencyTeb = teb->teb_sel; /* Create the system heap */ if (!(SystemHeap = HeapCreate( HEAP_GROWABLE, 0x10000, 0 ))) return FALSE; initial_pdb.system_heap = initial_pdb.heap = SystemHeap; /* Initialize signal handling */ if (!SIGNAL_Init()) return FALSE; /* Create the environment DB of the first process */ if (!PROCESS_CreateEnvDB()) return FALSE; /* Create the SEGPTR heap */ if (!(SegptrHeap = HeapCreate( HEAP_WINE_SEGPTR, 0, 0 ))) return FALSE; /* Initialize the first process critical section */ InitializeCriticalSection( &initial_pdb.crit_section ); return TRUE; } /*********************************************************************** * PROCESS_Start * * Startup routine of a new process. Called in the context of the new process. */ void PROCESS_Start(void) { UINT cmdShow = 0; LPTHREAD_START_ROUTINE entry = NULL; PDB *pdb = PROCESS_Current(); NE_MODULE *pModule = NE_GetPtr( pdb->module ); OFSTRUCT *ofs = (OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo); IMAGE_OPTIONAL_HEADER *header = !pModule->module32? NULL : &PE_HEADER(pModule->module32)->OptionalHeader; /* Get process type */ enum { PROC_DOS, PROC_WIN16, PROC_WIN32 } type; if ( pdb->flags & PDB32_DOS_PROC ) type = PROC_DOS; else if ( pdb->flags & PDB32_WIN16_PROC ) type = PROC_WIN16; else type = PROC_WIN32; /* Initialize the critical section */ InitializeCriticalSection( &pdb->crit_section ); /* Create the heap */ if (!(pdb->heap = HeapCreate( HEAP_GROWABLE, header? header->SizeOfHeapReserve : 0x10000, header? header->SizeOfHeapCommit : 0 ))) goto error; pdb->heap_list = pdb->heap; /* Create the environment db */ if (!PROCESS_CreateEnvDB()) goto error; /* Create a task for this process */ if (pdb->env_db->startup_info->dwFlags & STARTF_USESHOWWINDOW) cmdShow = pdb->env_db->startup_info->wShowWindow; if (!TASK_Create( pModule, cmdShow )) goto error; /* Perform Win16 specific process initialization */ if ( type == PROC_WIN16 ) if ( !NE_InitProcess( pModule ) ) goto error; /* Note: The USIG_PROCESS_CREATE signal is supposed to be sent in the * context of the parent process. Actually, the USER signal proc * doesn't really care about that, but it *does* require that the * startup parameters are correctly set up, so that GetProcessDword * works. Furthermore, before calling the USER signal proc the * 16-bit stack must be set up, which it is only after TASK_Create * in the case of a 16-bit process. Thus, we send the signal here. */ /* Load USER32.DLL before calling UserSignalProc (relay debugging!) */ LoadLibraryA( "USER32.DLL" ); PROCESS_CallUserSignalProc( USIG_PROCESS_CREATE, 0 ); PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 ); /* for initial thread */ PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0 ); /* Signal the parent process to continue */ server_call( REQ_INIT_PROCESS_DONE ); /* Perform Win32 specific process initialization */ if ( type == PROC_WIN32 ) { /* Send the debug event to the debugger */ entry = (LPTHREAD_START_ROUTINE)RVA_PTR(pModule->module32, OptionalHeader.AddressOfEntryPoint); if (pdb->flags & PDB32_DEBUGGED) DEBUG_SendCreateProcessEvent( -1 /*FIXME*/, pModule->module32, entry ); /* Create 32-bit MODREF */ if (!PE_CreateModule( pModule->module32, ofs, 0, FALSE )) goto error; /* Increment EXE refcount */ assert( pdb->exe_modref ); pdb->exe_modref->refCount++; /* Initialize thread-local storage */ PE_InitTls(); } PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0 ); /* FIXME: correct location? */ if ( (pdb->flags & PDB32_CONSOLE_PROC) || (pdb->flags & PDB32_DOS_PROC) ) AllocConsole(); if ( type == PROC_WIN32 ) { EnterCriticalSection( &pdb->crit_section ); MODULE_DllProcessAttach( pdb->exe_modref, (LPVOID)1 ); LeaveCriticalSection( &pdb->crit_section ); } /* If requested, add entry point breakpoint */ if ( Options.debug && TASK_AddTaskEntryBreakpoint ) TASK_AddTaskEntryBreakpoint( pdb->task ); /* Now call the entry point */ PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0 ); switch ( type ) { case PROC_DOS: TRACE_(relay)( "Starting DOS process\n" ); DOSVM_Enter( NULL ); ERR_(relay)( "DOSVM_Enter returned; should not happen!\n" ); ExitProcess( 0 ); case PROC_WIN16: TRACE_(relay)( "Starting Win16 process\n" ); TASK_CallToStart(); ERR_(relay)( "TASK_CallToStart returned; should not happen!\n" ); ExitProcess( 0 ); case PROC_WIN32: TRACE_(relay)( "Starting Win32 process (entryproc=%p)\n", entry ); ExitProcess( entry(NULL) ); } error: ExitProcess( GetLastError() ); } /*********************************************************************** * PROCESS_Create * * Create a new process database and associated info. */ PDB *PROCESS_Create( NE_MODULE *pModule, LPCSTR cmd_line, LPCSTR env, LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa, BOOL inherit, DWORD flags, STARTUPINFOA *startup, PROCESS_INFORMATION *info ) { HANDLE handles[2], load_done_evt = 0; DWORD exitcode, size; BOOL alloc_stack16; int server_thandle; struct new_process_request *req = get_req_buffer(); TEB *teb = NULL; PDB *parent = PROCESS_Current(); PDB *pdb = PROCESS_CreatePDB( parent, inherit ); if (!pdb) return NULL; info->hThread = info->hProcess = INVALID_HANDLE_VALUE; if (!(load_done_evt = CreateEventA( NULL, TRUE, FALSE, NULL ))) goto error; /* the DEBUG_ONLY_THIS_PROCESS flag seems simply equivalent * to DEBUG_PROCESS, contrary to Microsoft documentation (surprised?) */ if (flags & DEBUG_ONLY_THIS_PROCESS) flags = (flags & ~DEBUG_ONLY_THIS_PROCESS) | DEBUG_PROCESS; /* Create the process on the server side */ req->inherit = (psa && (psa->nLength >= sizeof(*psa)) && psa->bInheritHandle); req->inherit_all = inherit; req->create_flags = flags; req->start_flags = startup->dwFlags; req->event = load_done_evt; if (startup->dwFlags & STARTF_USESTDHANDLES) { req->hstdin = startup->hStdInput; req->hstdout = startup->hStdOutput; req->hstderr = startup->hStdError; } else { req->hstdin = GetStdHandle( STD_INPUT_HANDLE ); req->hstdout = GetStdHandle( STD_OUTPUT_HANDLE ); req->hstderr = GetStdHandle( STD_ERROR_HANDLE ); } req->cmd_show = startup->wShowWindow; req->env_ptr = (void*)env; /* FIXME: hack */ lstrcpynA( req->cmdline, cmd_line, server_remaining(req->cmdline) ); if (server_call( REQ_NEW_PROCESS )) goto error; pdb->server_pid = req->pid; info->hProcess = req->handle; info->dwProcessId = (DWORD)pdb->server_pid; if ((flags & DEBUG_PROCESS) || ((parent->flags & PDB32_DEBUGGED) && !(flags & DEBUG_ONLY_THIS_PROCESS))) pdb->flags |= PDB32_DEBUGGED; if (pModule->module32) /* Win32 process */ { IMAGE_OPTIONAL_HEADER *header = &PE_HEADER(pModule->module32)->OptionalHeader; size = header->SizeOfStackReserve; if (header->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI) pdb->flags |= PDB32_CONSOLE_PROC; alloc_stack16 = TRUE; } else if (!pModule->dos_image) /* Win16 process */ { alloc_stack16 = FALSE; size = 0; pdb->flags |= PDB32_WIN16_PROC; } else /* DOS process */ { alloc_stack16 = FALSE; size = 0; pdb->flags |= PDB32_DOS_PROC; } /* Create the main thread */ if (!(teb = THREAD_Create( pdb, flags & CREATE_SUSPENDED, size, alloc_stack16, tsa, &server_thandle ))) goto error; info->hThread = server_thandle; info->dwThreadId = (DWORD)teb->tid; teb->startup = PROCESS_Start; /* Pass module to new process (FIXME: hack) */ pdb->module = pModule->self; SYSDEPS_SpawnThread( teb ); /* Wait until process is initialized (or initialization failed) */ handles[0] = info->hProcess; handles[1] = load_done_evt; switch ( WaitForMultipleObjects( 2, handles, FALSE, INFINITE ) ) { default: ERR_(process)( "WaitForMultipleObjects failed\n" ); break; case 0: /* Child initialization code returns error condition as exitcode */ if ( GetExitCodeProcess( info->hProcess, &exitcode ) ) SetLastError( exitcode ); goto error; case 1: /* Get 16-bit task up and running */ if ( pdb->flags & PDB32_WIN16_PROC ) { /* Post event to start the task */ PostEvent16( pdb->task ); /* If we ourselves are a 16-bit task, we Yield() directly. */ if ( parent->flags & PDB32_WIN16_PROC ) OldYield16(); } break; } CloseHandle( load_done_evt ); load_done_evt = 0; return pdb; error: if (load_done_evt) CloseHandle( load_done_evt ); if (info->hThread != INVALID_HANDLE_VALUE) CloseHandle( info->hThread ); if (info->hProcess != INVALID_HANDLE_VALUE) CloseHandle( info->hProcess ); PROCESS_FreePDB( pdb ); return NULL; } /*********************************************************************** * ExitProcess (KERNEL32.100) */ void WINAPI ExitProcess( DWORD status ) { EnterCriticalSection( &PROCESS_Current()->crit_section ); MODULE_DllProcessDetach( TRUE, (LPVOID)1 ); LeaveCriticalSection( &PROCESS_Current()->crit_section ); TASK_KillTask( 0 ); TerminateProcess( GetCurrentProcess(), status ); } /*********************************************************************** * ExitProcess16 (KERNEL.466) */ void WINAPI ExitProcess16( WORD status ) { SYSLEVEL_ReleaseWin16Lock(); ExitProcess( status ); } /****************************************************************************** * TerminateProcess (KERNEL32.684) */ BOOL WINAPI TerminateProcess( HANDLE handle, DWORD exit_code ) { struct terminate_process_request *req = get_req_buffer(); req->handle = handle; req->exit_code = exit_code; return !server_call( REQ_TERMINATE_PROCESS ); } /*********************************************************************** * GetProcessDword (KERNEL32.18) (KERNEL.485) * 'Of course you cannot directly access Windows internal structures' */ DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset ) { PDB *process = PROCESS_IdToPDB( dwProcessID ); TDB *pTask; DWORD x, y; TRACE_(win32)("(%ld, %d)\n", dwProcessID, offset ); if ( !process ) return 0; switch ( offset ) { case GPD_APP_COMPAT_FLAGS: pTask = (TDB *)GlobalLock16( process->task ); return pTask? pTask->compat_flags : 0; case GPD_LOAD_DONE_EVENT: return process->load_done_evt; case GPD_HINSTANCE16: pTask = (TDB *)GlobalLock16( process->task ); return pTask? pTask->hInstance : 0; case GPD_WINDOWS_VERSION: pTask = (TDB *)GlobalLock16( process->task ); return pTask? pTask->version : 0; case GPD_THDB: if ( process != PROCESS_Current() ) return 0; return (DWORD)NtCurrentTeb() - 0x10 /* FIXME */; case GPD_PDB: return (DWORD)process; case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */ return process->env_db->startup_info->hStdOutput; case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */ return process->env_db->startup_info->hStdInput; case GPD_STARTF_SHOWWINDOW: return process->env_db->startup_info->wShowWindow; case GPD_STARTF_SIZE: x = process->env_db->startup_info->dwXSize; if ( x == CW_USEDEFAULT ) x = CW_USEDEFAULT16; y = process->env_db->startup_info->dwYSize; if ( y == CW_USEDEFAULT ) y = CW_USEDEFAULT16; return MAKELONG( x, y ); case GPD_STARTF_POSITION: x = process->env_db->startup_info->dwX; if ( x == CW_USEDEFAULT ) x = CW_USEDEFAULT16; y = process->env_db->startup_info->dwY; if ( y == CW_USEDEFAULT ) y = CW_USEDEFAULT16; return MAKELONG( x, y ); case GPD_STARTF_FLAGS: return process->env_db->startup_info->dwFlags; case GPD_PARENT: return (DWORD)process->parent->server_pid; case GPD_FLAGS: return process->flags; case GPD_USERDATA: return process->process_dword; default: ERR_(win32)("Unknown offset %d\n", offset ); return 0; } } /*********************************************************************** * SetProcessDword (KERNEL.484) * 'Of course you cannot directly access Windows internal structures' */ void WINAPI SetProcessDword( DWORD dwProcessID, INT offset, DWORD value ) { PDB *process = PROCESS_IdToPDB( dwProcessID ); TRACE_(win32)("(%ld, %d)\n", dwProcessID, offset ); if ( !process ) return; switch ( offset ) { case GPD_APP_COMPAT_FLAGS: case GPD_LOAD_DONE_EVENT: case GPD_HINSTANCE16: case GPD_WINDOWS_VERSION: case GPD_THDB: case GPD_PDB: case GPD_STARTF_SHELLDATA: case GPD_STARTF_HOTKEY: case GPD_STARTF_SHOWWINDOW: case GPD_STARTF_SIZE: case GPD_STARTF_POSITION: case GPD_STARTF_FLAGS: case GPD_PARENT: case GPD_FLAGS: ERR_(win32)("Not allowed to modify offset %d\n", offset ); break; case GPD_USERDATA: process->process_dword = value; break; default: ERR_(win32)("Unknown offset %d\n", offset ); break; } } /*********************************************************************** * GetCurrentProcess (KERNEL32.198) */ HANDLE WINAPI GetCurrentProcess(void) { return CURRENT_PROCESS_PSEUDOHANDLE; } /********************************************************************* * OpenProcess (KERNEL32.543) */ HANDLE WINAPI OpenProcess( DWORD access, BOOL inherit, DWORD id ) { HANDLE ret = 0; struct open_process_request *req = get_req_buffer(); req->pid = (void *)id; req->access = access; req->inherit = inherit; if (!server_call( REQ_OPEN_PROCESS )) ret = req->handle; return ret; } /********************************************************************* * MapProcessHandle (KERNEL.483) */ DWORD WINAPI MapProcessHandle( HANDLE handle ) { DWORD ret = 0; struct get_process_info_request *req = get_req_buffer(); req->handle = handle; if (!server_call( REQ_GET_PROCESS_INFO )) ret = (DWORD)req->pid; return ret; } /*********************************************************************** * GetCurrentProcessId (KERNEL32.199) */ DWORD WINAPI GetCurrentProcessId(void) { return (DWORD)PROCESS_Current()->server_pid; } /*********************************************************************** * GetProcessHeap (KERNEL32.259) */ HANDLE WINAPI GetProcessHeap(void) { PDB *pdb = PROCESS_Current(); return pdb->heap ? pdb->heap : SystemHeap; } /*********************************************************************** * GetThreadLocale (KERNEL32.295) */ LCID WINAPI GetThreadLocale(void) { return PROCESS_Current()->locale; } /*********************************************************************** * SetPriorityClass (KERNEL32.503) */ BOOL WINAPI SetPriorityClass( HANDLE hprocess, DWORD priorityclass ) { struct set_process_info_request *req = get_req_buffer(); req->handle = hprocess; req->priority = priorityclass; req->mask = SET_PROCESS_INFO_PRIORITY; return !server_call( REQ_SET_PROCESS_INFO ); } /*********************************************************************** * GetPriorityClass (KERNEL32.250) */ DWORD WINAPI GetPriorityClass(HANDLE hprocess) { DWORD ret = 0; struct get_process_info_request *req = get_req_buffer(); req->handle = hprocess; if (!server_call( REQ_GET_PROCESS_INFO )) ret = req->priority; return ret; } /*********************************************************************** * SetProcessAffinityMask (KERNEL32.662) */ BOOL WINAPI SetProcessAffinityMask( HANDLE hProcess, DWORD affmask ) { struct set_process_info_request *req = get_req_buffer(); req->handle = hProcess; req->affinity = affmask; req->mask = SET_PROCESS_INFO_AFFINITY; return !server_call( REQ_SET_PROCESS_INFO ); } /********************************************************************** * GetProcessAffinityMask (KERNEL32.373) */ BOOL WINAPI GetProcessAffinityMask( HANDLE hProcess, LPDWORD lpProcessAffinityMask, LPDWORD lpSystemAffinityMask ) { BOOL ret = FALSE; struct get_process_info_request *req = get_req_buffer(); req->handle = hProcess; if (!server_call( REQ_GET_PROCESS_INFO )) { if (lpProcessAffinityMask) *lpProcessAffinityMask = req->process_affinity; if (lpSystemAffinityMask) *lpSystemAffinityMask = req->system_affinity; ret = TRUE; } return ret; } /*********************************************************************** * GetStdHandle (KERNEL32.276) */ HANDLE WINAPI GetStdHandle( DWORD std_handle ) { PDB *pdb = PROCESS_Current(); switch(std_handle) { case STD_INPUT_HANDLE: return pdb->env_db->hStdin; case STD_OUTPUT_HANDLE: return pdb->env_db->hStdout; case STD_ERROR_HANDLE: return pdb->env_db->hStderr; } SetLastError( ERROR_INVALID_PARAMETER ); return INVALID_HANDLE_VALUE; } /*********************************************************************** * SetStdHandle (KERNEL32.506) */ BOOL WINAPI SetStdHandle( DWORD std_handle, HANDLE handle ) { PDB *pdb = PROCESS_Current(); /* FIXME: should we close the previous handle? */ switch(std_handle) { case STD_INPUT_HANDLE: pdb->env_db->hStdin = handle; return TRUE; case STD_OUTPUT_HANDLE: pdb->env_db->hStdout = handle; return TRUE; case STD_ERROR_HANDLE: pdb->env_db->hStderr = handle; return TRUE; } SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } /*********************************************************************** * GetProcessVersion (KERNEL32) */ DWORD WINAPI GetProcessVersion( DWORD processid ) { TDB *pTask; PDB *pdb = PROCESS_IdToPDB( processid ); if (!pdb) return 0; if (!(pTask = (TDB *)GlobalLock16( pdb->task ))) return 0; return (pTask->version&0xff) | (((pTask->version >>8) & 0xff)<<16); } /*********************************************************************** * GetProcessFlags (KERNEL32) */ DWORD WINAPI GetProcessFlags( DWORD processid ) { PDB *pdb = PROCESS_IdToPDB( processid ); if (!pdb) return 0; return pdb->flags; } /*********************************************************************** * SetProcessWorkingSetSize [KERNEL32.662] * Sets the min/max working set sizes for a specified process. * * PARAMS * hProcess [I] Handle to the process of interest * minset [I] Specifies minimum working set size * maxset [I] Specifies maximum working set size * * RETURNS STD */ BOOL WINAPI SetProcessWorkingSetSize(HANDLE hProcess,DWORD minset, DWORD maxset) { FIXME_(process)("(0x%08x,%ld,%ld): stub - harmless\n",hProcess,minset,maxset); if(( minset == -1) && (maxset == -1)) { /* Trim the working set to zero */ /* Swap the process out of physical RAM */ } return TRUE; } /*********************************************************************** * GetProcessWorkingSetSize (KERNEL32) */ BOOL WINAPI GetProcessWorkingSetSize(HANDLE hProcess,LPDWORD minset, LPDWORD maxset) { FIXME_(process)("(0x%08x,%p,%p): stub\n",hProcess,minset,maxset); /* 32 MB working set size */ if (minset) *minset = 32*1024*1024; if (maxset) *maxset = 32*1024*1024; return TRUE; } /*********************************************************************** * SetProcessShutdownParameters (KERNEL32) * * CHANGED - James Sutherland (JamesSutherland@gmx.de) * Now tracks changes made (but does not act on these changes) * NOTE: the definition for SHUTDOWN_NORETRY was done on guesswork. * It really shouldn't be here, but I'll move it when it's been checked! */ #define SHUTDOWN_NORETRY 1 static unsigned int shutdown_noretry = 0; static unsigned int shutdown_priority = 0x280L; BOOL WINAPI SetProcessShutdownParameters(DWORD level,DWORD flags) { if (flags & SHUTDOWN_NORETRY) shutdown_noretry = 1; else shutdown_noretry = 0; if (level > 0x100L && level < 0x3FFL) shutdown_priority = level; else { ERR_(process)("invalid priority level 0x%08lx\n", level); return FALSE; } return TRUE; } /*********************************************************************** * GetProcessShutdownParameters (KERNEL32) * */ BOOL WINAPI GetProcessShutdownParameters( LPDWORD lpdwLevel, LPDWORD lpdwFlags ) { (*lpdwLevel) = shutdown_priority; (*lpdwFlags) = (shutdown_noretry * SHUTDOWN_NORETRY); return TRUE; } /*********************************************************************** * SetProcessPriorityBoost (KERNEL32) */ BOOL WINAPI SetProcessPriorityBoost(HANDLE hprocess,BOOL disableboost) { FIXME_(process)("(%d,%d): stub\n",hprocess,disableboost); /* Say we can do it. I doubt the program will notice that we don't. */ return TRUE; } /*********************************************************************** * ReadProcessMemory (KERNEL32) */ BOOL WINAPI ReadProcessMemory( HANDLE process, LPCVOID addr, LPVOID buffer, DWORD size, LPDWORD bytes_read ) { struct read_process_memory_request *req = get_req_buffer(); unsigned int offset = (unsigned int)addr % sizeof(int); unsigned int max = server_remaining( req->data ); /* max length in one request */ unsigned int pos; if (bytes_read) *bytes_read = size; /* first time, read total length to check for permissions */ req->handle = process; req->addr = (char *)addr - offset; req->len = (size + offset + sizeof(int) - 1) / sizeof(int); if (server_call( REQ_READ_PROCESS_MEMORY )) goto error; if (size <= max - offset) { memcpy( buffer, (char *)req->data + offset, size ); return TRUE; } /* now take care of the remaining data */ memcpy( buffer, (char *)req->data + offset, max - offset ); pos = max - offset; size -= pos; while (size) { if (max > size) max = size; req->handle = process; req->addr = (char *)addr + pos; req->len = (max + sizeof(int) - 1) / sizeof(int); if (server_call( REQ_READ_PROCESS_MEMORY )) goto error; memcpy( (char *)buffer + pos, (char *)req->data, max ); size -= max; pos += max; } return TRUE; error: if (bytes_read) *bytes_read = 0; return FALSE; } /*********************************************************************** * WriteProcessMemory (KERNEL32) */ BOOL WINAPI WriteProcessMemory( HANDLE process, LPVOID addr, LPVOID buffer, DWORD size, LPDWORD bytes_written ) { unsigned int first_offset, last_offset; struct write_process_memory_request *req = get_req_buffer(); unsigned int max = server_remaining( req->data ); /* max length in one request */ unsigned int pos, last_mask; if (!size) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (bytes_written) *bytes_written = size; /* compute the mask for the first int */ req->first_mask = ~0; first_offset = (unsigned int)addr % sizeof(int); memset( &req->first_mask, 0, first_offset ); /* compute the mask for the last int */ last_offset = (size + first_offset) % sizeof(int); last_mask = 0; memset( &last_mask, 0xff, last_offset ? last_offset : sizeof(int) ); req->handle = process; req->addr = (char *)addr - first_offset; /* for the first request, use the total length */ req->len = (size + first_offset + sizeof(int) - 1) / sizeof(int); if (size + first_offset < max) /* we can do it in one round */ { memcpy( (char *)req->data + first_offset, buffer, size ); req->last_mask = last_mask; if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; return TRUE; } /* needs multiple server calls */ memcpy( (char *)req->data + first_offset, buffer, max - first_offset ); req->last_mask = ~0; if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; pos = max - first_offset; size -= pos; while (size) { if (size <= max) /* last one */ { req->last_mask = last_mask; max = size; } req->handle = process; req->addr = (char *)addr + pos; req->len = (max + sizeof(int) - 1) / sizeof(int); req->first_mask = ~0; memcpy( req->data, buffer + pos, max ); if (server_call( REQ_WRITE_PROCESS_MEMORY )) goto error; pos += max; size -= max; } return TRUE; error: if (bytes_written) *bytes_written = 0; return FALSE; } /*********************************************************************** * RegisterServiceProcess (KERNEL, KERNEL32) * * A service process calls this function to ensure that it continues to run * even after a user logged off. */ DWORD WINAPI RegisterServiceProcess(DWORD dwProcessId, DWORD dwType) { /* I don't think that Wine needs to do anything in that function */ return 1; /* success */ } /*********************************************************************** * GetExitCodeProcess [KERNEL32.325] * * Gets termination status of specified process * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI GetExitCodeProcess( HANDLE hProcess, /* [I] handle to the process */ LPDWORD lpExitCode) /* [O] address to receive termination status */ { BOOL ret = FALSE; struct get_process_info_request *req = get_req_buffer(); req->handle = hProcess; if (!server_call( REQ_GET_PROCESS_INFO )) { if (lpExitCode) *lpExitCode = req->exit_code; ret = TRUE; } return ret; } /*********************************************************************** * GetProcessHeaps [KERNEL32.376] */ DWORD WINAPI GetProcessHeaps(DWORD nrofheaps,HANDLE *heaps) { FIXME_(win32)("(%ld,%p), incomplete implementation.\n",nrofheaps,heaps); if (nrofheaps) { heaps[0] = GetProcessHeap(); /* ... probably SystemHeap too ? */ return 1; } /* number of available heaps */ return 1; } /*********************************************************************** * SetErrorMode (KERNEL32.486) */ UINT WINAPI SetErrorMode( UINT mode ) { UINT old = PROCESS_Current()->error_mode; PROCESS_Current()->error_mode = mode; return old; }