wine/scheduler/process.c

/*
 * Win32 processes
 *
 * Copyright 1996, 1998 Alexandre Julliard
 */

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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 "task.h"
#include "server.h"
#include "debug.h"


/* The initial process PDB */
static PDB initial_pdb;

static PDB *PROCESS_First = &initial_pdb;

/***********************************************************************
 *           PROCESS_Current
 */
PDB *PROCESS_Current(void)
{
    return THREAD_Current()->process;
}

/***********************************************************************
 *           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_QueryInfo
 *
 * Retrieve information about a process
 */
static BOOL PROCESS_QueryInfo( HANDLE handle,
                                 struct get_process_info_reply *reply )
{
    struct get_process_info_request req;
    req.handle = handle;
    CLIENT_SendRequest( REQ_GET_PROCESS_INFO, -1, 1, &req, sizeof(req) );
    return !CLIENT_WaitSimpleReply( reply, sizeof(*reply), NULL );
}

/***********************************************************************
 *           PROCESS_IsCurrent
 *
 * Check if a handle is to the current process
 */
BOOL PROCESS_IsCurrent( HANDLE handle )
{
    struct get_process_info_reply reply;
    return (PROCESS_QueryInfo( handle, &reply ) &&
            (reply.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_BuildEnvDB
 *
 * Build the env DB for the initial process
 */
static BOOL PROCESS_BuildEnvDB( PDB *pdb )
{
    /* Allocate the env DB (FIXME: should not be on the system heap) */

    if (!(pdb->env_db = HeapAlloc(SystemHeap,HEAP_ZERO_MEMORY,sizeof(ENVDB))))
        return FALSE;
    InitializeCriticalSection( &pdb->env_db->section );

    /* Allocate startup info */
    if (!(pdb->env_db->startup_info = 
          HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY, sizeof(STARTUPINFOA) )))
        return FALSE;

    /* Allocate the standard handles */

    pdb->env_db->hStdin  = FILE_DupUnixHandle( 0, GENERIC_READ );
    pdb->env_db->hStdout = FILE_DupUnixHandle( 1, GENERIC_WRITE );
    pdb->env_db->hStderr = FILE_DupUnixHandle( 2, GENERIC_WRITE );

    /* Build the command-line */

    pdb->env_db->cmd_line = HEAP_strdupA( SystemHeap, 0, "kernel32" );

    /* Build the environment strings */

    return ENV_BuildEnvironment( pdb );
}


/***********************************************************************
 *           PROCESS_InheritEnvDB
 */
static BOOL PROCESS_InheritEnvDB( PDB *pdb, LPCSTR cmd_line, LPCSTR env,
                                    BOOL inherit_handles, STARTUPINFOA *startup )
{
    if (!(pdb->env_db = HeapAlloc(pdb->heap, HEAP_ZERO_MEMORY, sizeof(ENVDB))))
        return FALSE;
    InitializeCriticalSection( &pdb->env_db->section );

    /* Copy the parent environment */

    if (!ENV_InheritEnvironment( pdb, env )) return FALSE;

    /* Copy the command line */

    if (!(pdb->env_db->cmd_line = HEAP_strdupA( pdb->heap, 0, cmd_line )))
        return FALSE;

    /* Remember startup info */
    if (!(pdb->env_db->startup_info = 
          HeapAlloc( pdb->heap, HEAP_ZERO_MEMORY, sizeof(STARTUPINFOA) )))
        return FALSE;
    *pdb->env_db->startup_info = *startup;

    /* Inherit the standard handles */
    if (pdb->env_db->startup_info->dwFlags & STARTF_USESTDHANDLES)
    {
        pdb->env_db->hStdin  = pdb->env_db->startup_info->hStdInput;
        pdb->env_db->hStdout = pdb->env_db->startup_info->hStdOutput;
        pdb->env_db->hStderr = pdb->env_db->startup_info->hStdError;
    }
    else if (inherit_handles)
    {
        pdb->env_db->hStdin  = pdb->parent->env_db->hStdin;
        pdb->env_db->hStdout = pdb->parent->env_db->hStdout;
        pdb->env_db->hStderr = pdb->parent->env_db->hStderr;
    }
    /* else will be done later on in PROCESS_Create */

    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 );
    DeleteCriticalSection( &pdb->crit_section );
    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;
    PROCESS_First = pdb;
    return pdb;
}


/***********************************************************************
 *           PROCESS_FinishCreatePDB
 *
 * Second part of CreatePDB
 */
static BOOL PROCESS_FinishCreatePDB( PDB *pdb )
{
    InitializeCriticalSection( &pdb->crit_section );
    /* Allocate the event */
    if (!(pdb->load_done_evt = CreateEventA( NULL, TRUE, FALSE, NULL )))
        return FALSE;
    return TRUE;
}


/***********************************************************************
 *           PROCESS_Init
 */
BOOL PROCESS_Init(void)
{
    THDB *thdb;

    /* 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 */

    /* Initialize virtual memory management */
    if (!VIRTUAL_Init()) return FALSE;

    /* Create the initial thread structure */
    if (!(thdb = THREAD_CreateInitialThread( &initial_pdb ))) return FALSE;

    /* Remember TEB selector of initial process for emergency use */
    SYSLEVEL_EmergencyTeb = thdb->teb_sel;

    /* Create the system heap */
    if (!(SystemHeap = HeapCreate( HEAP_GROWABLE, 0x10000, 0 ))) return FALSE;
    initial_pdb.system_heap = initial_pdb.heap = SystemHeap;

    /* Create the environment DB of the first process */
    if (!PROCESS_BuildEnvDB( &initial_pdb )) return FALSE;

    /* Initialize the first thread */
    if (CLIENT_InitThread()) return FALSE;
    if (!PROCESS_FinishCreatePDB( &initial_pdb )) return FALSE;

    /* Create the SEGPTR heap */
    if (!(SegptrHeap = HeapCreate( HEAP_WINE_SEGPTR, 0, 0 ))) return FALSE;

    return TRUE;
}


/***********************************************************************
 *           PROCESS_Create
 *
 * Create a new process database and associated info.
 */
PDB *PROCESS_Create( NE_MODULE *pModule, LPCSTR cmd_line, LPCSTR env,
                     HINSTANCE16 hInstance, HINSTANCE16 hPrevInstance,
                     LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
                     BOOL inherit, STARTUPINFOA *startup,
                     PROCESS_INFORMATION *info )
{
    DWORD size, commit;
    int server_thandle, server_phandle;
    UINT cmdShow = 0;
    THDB *thdb = NULL;
    PDB *parent = PROCESS_Current();
    PDB *pdb = PROCESS_CreatePDB( parent, inherit );

    if (!pdb) return NULL;
    info->hThread = info->hProcess = INVALID_HANDLE_VALUE;
    if (!PROCESS_FinishCreatePDB( pdb )) goto error;

    /* Create the heap */

    if (pModule->module32)
    {
	size  = PE_HEADER(pModule->module32)->OptionalHeader.SizeOfHeapReserve;
	commit = PE_HEADER(pModule->module32)->OptionalHeader.SizeOfHeapCommit;
    }
    else
    {
	size = 0x10000;
	commit = 0;
        pdb->flags |= PDB32_WIN16_PROC;  /* This is a Win16 process */
    }
    if (!(pdb->heap = HeapCreate( HEAP_GROWABLE, size, commit ))) goto error;
    pdb->heap_list = pdb->heap;

    /* Inherit the env DB from the parent */

    if (!PROCESS_InheritEnvDB( pdb, cmd_line, env, inherit, startup )) goto error;

    /* Create the main thread */

    if (pModule->module32)
        size = PE_HEADER(pModule->module32)->OptionalHeader.SizeOfStackReserve;
    else
        size = 0;
    if (!(thdb = THREAD_Create( pdb, 0L, size, hInstance == 0, 
                                tsa, psa, &server_thandle, &server_phandle, 
                                NULL, NULL ))) 
        goto error;
    info->hThread     = server_thandle;
    info->hProcess    = server_phandle;
    info->dwProcessId = (DWORD)pdb->server_pid;
    info->dwThreadId  = (DWORD)thdb->server_tid;

    /* Duplicate the standard handles */

    if ((!(pdb->env_db->startup_info->dwFlags & STARTF_USESTDHANDLES)) && !inherit)
    {
        DuplicateHandle( GetCurrentProcess(), pdb->parent->env_db->hStdin,
                         info->hProcess, &pdb->env_db->hStdin, 0, TRUE, DUPLICATE_SAME_ACCESS );
        DuplicateHandle( GetCurrentProcess(), pdb->parent->env_db->hStdout,
                         info->hProcess, &pdb->env_db->hStdout, 0, TRUE, DUPLICATE_SAME_ACCESS );
        DuplicateHandle( GetCurrentProcess(), pdb->parent->env_db->hStderr,
                         info->hProcess, &pdb->env_db->hStderr, 0, TRUE, DUPLICATE_SAME_ACCESS );
    }

    /* Create a Win16 task for this process */

    if (startup->dwFlags & STARTF_USESHOWWINDOW)
        cmdShow = startup->wShowWindow;

    if ( !TASK_Create( thdb, pModule, hInstance, hPrevInstance, cmdShow) )
        goto error;


    /* Map system DLLs into this process (from initial process) */
    /* FIXME: this is a hack */
    pdb->modref_list = PROCESS_Initial()->modref_list;
    

    return pdb;

error:
    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 )
{
    PDB *pdb = PROCESS_Current();
    TDB *pTask = (TDB *)GlobalLock16( pdb->task );
    if ( pTask ) pTask->nEvents++;

    if ( pTask && pTask->thdb != THREAD_Current() )
        ExitThread( status );

    /* FIXME: should kill all running threads of this process */
    pdb->exit_code = status;
    FreeConsole();

    __RESTORE_ES;  /* Necessary for Pietrek's showseh example program */
    TASK_KillCurrentTask( status );
}


/******************************************************************************
 *           TerminateProcess   (KERNEL32.684)
 */
BOOL WINAPI TerminateProcess( HANDLE handle, DWORD exit_code )
{
    struct terminate_process_request req;
    req.handle    = handle;
    req.exit_code = exit_code;
    CLIENT_SendRequest( REQ_TERMINATE_PROCESS, -1, 1, &req, sizeof(req) );
    return !CLIENT_WaitReply( NULL, NULL, 0 );
}

/***********************************************************************
 *           GetCurrentProcess   (KERNEL32.198)
 */
HANDLE WINAPI GetCurrentProcess(void)
{
    return CURRENT_PROCESS_PSEUDOHANDLE;
}


/*********************************************************************
 *           OpenProcess   (KERNEL32.543)
 */
HANDLE WINAPI OpenProcess( DWORD access, BOOL inherit, DWORD id )
{
    struct open_process_request req;
    struct open_process_reply reply;

    req.pid     = (void *)id;
    req.access  = access;
    req.inherit = inherit;
    CLIENT_SendRequest( REQ_OPEN_PROCESS, -1, 1, &req, sizeof(req) );
    if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0;
    return reply.handle;
}			      


/***********************************************************************
 *           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;
    req.handle   = hprocess;
    req.priority = priorityclass;
    req.mask     = SET_PROCESS_INFO_PRIORITY;
    CLIENT_SendRequest( REQ_SET_PROCESS_INFO, -1, 1, &req, sizeof(req) );
    return !CLIENT_WaitReply( NULL, NULL, 0 );
}


/***********************************************************************
 *           GetPriorityClass   (KERNEL32.250)
 */
DWORD WINAPI GetPriorityClass(HANDLE hprocess)
{
    struct get_process_info_reply reply;
    if (!PROCESS_QueryInfo( hprocess, &reply )) return 0;
    return reply.priority;
}


/***********************************************************************
 *          SetProcessAffinityMask   (KERNEL32.662)
 */
BOOL WINAPI SetProcessAffinityMask( HANDLE hProcess, DWORD affmask )
{
    struct set_process_info_request req;
    req.handle   = hProcess;
    req.affinity = affmask;
    req.mask     = SET_PROCESS_INFO_AFFINITY;
    CLIENT_SendRequest( REQ_SET_PROCESS_INFO, -1, 1, &req, sizeof(req) );
    return !CLIENT_WaitReply( NULL, NULL, 0 );
}

/**********************************************************************
 *          GetProcessAffinityMask    (KERNEL32.373)
 */
BOOL WINAPI GetProcessAffinityMask( HANDLE hProcess,
                                      LPDWORD lpProcessAffinityMask,
                                      LPDWORD lpSystemAffinityMask )
{
    struct get_process_info_reply reply;
    if (!PROCESS_QueryInfo( hProcess, &reply )) return FALSE;
    if (lpProcessAffinityMask) *lpProcessAffinityMask = reply.process_affinity;
    if (lpSystemAffinityMask) *lpSystemAffinityMask = reply.system_affinity;
    return TRUE;
}


/***********************************************************************
 *           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)
 * FIXME: check this, if we ever run win32 binaries in different addressspaces
 *	  ... and add a sizecheck
 */
BOOL WINAPI ReadProcessMemory( HANDLE hProcess, LPCVOID lpBaseAddress,
                                 LPVOID lpBuffer, DWORD nSize,
                                 LPDWORD lpNumberOfBytesRead )
{
	memcpy(lpBuffer,lpBaseAddress,nSize);
	if (lpNumberOfBytesRead) *lpNumberOfBytesRead = nSize;
	return TRUE;
}

/***********************************************************************
 *           WriteProcessMemory    		(KERNEL32)
 * FIXME: check this, if we ever run win32 binaries in different addressspaces
 *	  ... and add a sizecheck
 */
BOOL WINAPI WriteProcessMemory(HANDLE hProcess, LPVOID lpBaseAddress,
                                 LPVOID lpBuffer, DWORD nSize,
                                 LPDWORD lpNumberOfBytesWritten )
{
	memcpy(lpBaseAddress,lpBuffer,nSize);
	if (lpNumberOfBytesWritten) *lpNumberOfBytesWritten = nSize;
	return TRUE;
}

/***********************************************************************
 *           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 */
{
    struct get_process_info_reply reply;
    if (!PROCESS_QueryInfo( hProcess, &reply )) return FALSE;
    if (lpExitCode) *lpExitCode = reply.exit_code;
    return TRUE;
}


/***********************************************************************
 * 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;
}

/***********************************************************************
 * PROCESS_SuspendOtherThreads
 */

void PROCESS_SuspendOtherThreads(void)
{
#if 0
    PDB *pdb;
    THREAD_ENTRY *entry;

    SYSTEM_LOCK();

    pdb = PROCESS_Current();
    entry = pdb->thread_list->next;
    for (;;)
    {
         if (entry->thread != THREAD_Current() && !THREAD_IsWin16(entry->thread))
         {
             HANDLE handle = HANDLE_Alloc( PROCESS_Current(), 
                                             &entry->thread->header,
                                             THREAD_ALL_ACCESS, FALSE, -1 );
             SuspendThread(handle);
             CloseHandle(handle);
         }
         if (entry == pdb->thread_list) break;
         entry = entry->next;
    }

    SYSTEM_UNLOCK();
#endif
}

/***********************************************************************
 * PROCESS_ResumeOtherThreads
 */

void PROCESS_ResumeOtherThreads(void)
{
#if 0
    PDB *pdb;
    THREAD_ENTRY *entry;

    SYSTEM_LOCK();

    pdb = PROCESS_Current();
    entry = pdb->thread_list->next;
    for (;;)
    {
         if (entry->thread != THREAD_Current() && !THREAD_IsWin16(entry->thread))
         {
             HANDLE handle = HANDLE_Alloc( PROCESS_Current(), 
                                             &entry->thread->header,
                                             THREAD_ALL_ACCESS, FALSE, -1 );
             ResumeThread(handle);
             CloseHandle(handle);
         }
         if (entry == pdb->thread_list) break;
         entry = entry->next;
    }

    SYSTEM_UNLOCK();
#endif
}