win32/process.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <unistd.h>
  10 #include <sys/times.h>
  11 #include "windows.h"
  12 #include "winerror.h"
  13 #include "heap.h"
  14 #include "thread.h"
  15 #include "handle32.h"
  16 #include "pe_image.h"
  17 #include "file.h"
  18 #include "stddebug.h"
  19 #include "debug.h"
  20
  21 typedef struct {
  22         K32OBJ  header;
  23         DWORD   maxcount;
  24         DWORD   count;
  25         DWORD   initial;
  26 } K32SEMAPHORE;
  27
  28 typedef struct {
  29         K32OBJ  header;
  30         THDB    *owning_thread; /* we are locked by this thread */
  31 } K32MUTEX;
  32
  33 typedef struct {
  34         K32OBJ  header;
  35 } K32EVENT;
  36
  37 /***********************************************************************
  38  *           CreateMutexA    (KERNEL32.52)
  39  */
  40 HANDLE32 WINAPI CreateMutex32A(SECURITY_ATTRIBUTES *sa,BOOL32 on,LPCSTR name)
  41 {
  42         K32MUTEX        *mut;
  43         HANDLE32        handle;
  44         K32OBJ          *obj = K32OBJ_FindName( name );
  45
  46         if (obj) {
  47                 if (obj->type == K32OBJ_MUTEX) {
  48                         SetLastError( ERROR_ALREADY_EXISTS );
  49                         return PROCESS_AllocHandle( obj,0 );
  50                 }
  51                 SetLastError( ERROR_DUP_NAME );
  52                 return 0;
  53         }
  54         mut = (K32MUTEX*)HeapAlloc(GetProcessHeap(),0,sizeof(K32MUTEX));
  55         mut->header.type = K32OBJ_MUTEX;
  56         mut->header.refcount  = 1;
  57         mut->owning_thread = NULL;
  58         if (name)
  59                 K32OBJ_AddName(&(mut->header),name);
  60         handle = PROCESS_AllocHandle(&(mut->header),0);
  61         if (handle != INVALID_HANDLE_VALUE32) {
  62                 if (on)
  63                         mut->owning_thread = (THDB *)GetCurrentThreadId();
  64                 return handle;
  65         }
  66         K32OBJ_DecCount(&(mut->header)); /* also frees name */
  67         HeapFree(GetProcessHeap(),0,mut);
  68         return 0;
  69 }
  70
  71 /***********************************************************************
  72  *           CreateMutexW    (KERNEL32.53)
  73  */
  74 HANDLE32 WINAPI CreateMutex32W(SECURITY_ATTRIBUTES *sa, BOOL32 on, LPCWSTR a)
  75 {
  76         LPSTR           name = a?HEAP_strdupWtoA(GetProcessHeap(),0,a):NULL;
  77         HANDLE32        ret;
  78
  79         ret = CreateMutex32A(sa,on,name);
  80         if (name) HeapFree(GetProcessHeap(),0,name);
  81         return ret;
  82 }
  83
  84 /***********************************************************************
  85  *           CreateSemaphoreA    (KERNEL32.60)
  86  */
  87 HANDLE32 WINAPI CreateSemaphore32A( LPSECURITY_ATTRIBUTES sa,
  88                                     LONG initial,LONG max,LPCSTR name )
  89 {
  90         K32SEMAPHORE    *sem;
  91         HANDLE32        handle;
  92         K32OBJ          *obj = K32OBJ_FindName( name );
  93
  94         if (obj) {
  95                 if (obj->type == K32OBJ_SEMAPHORE) {
  96                         SetLastError( ERROR_ALREADY_EXISTS );
  97                         return PROCESS_AllocHandle( obj,0 );
  98                 }
  99                 SetLastError( ERROR_DUP_NAME );
 100                 return 0;
 101         }
 102         sem = (K32SEMAPHORE*)HeapAlloc(GetProcessHeap(),0,sizeof(K32SEMAPHORE));
 103         sem->header.type = K32OBJ_SEMAPHORE;
 104         sem->header.refcount  = 1;
 105
 106         sem->maxcount   = max;
 107         sem->count      = initial;
 108         sem->initial    = initial;
 109         if (name)
 110                 K32OBJ_AddName(&(sem->header),name);
 111         handle = PROCESS_AllocHandle(&(sem->header),0);
 112         if (handle != INVALID_HANDLE_VALUE32)
 113                 return handle;
 114         K32OBJ_DecCount(&(sem->header)); /* also frees name */
 115         HeapFree(GetProcessHeap(),0,sem);
 116         return 0;
 117 }
 118
 119 /***********************************************************************
 120  *           CreateSemaphoreW    (KERNEL32.61)
 121  */
 122 HANDLE32 WINAPI CreateSemaphore32W(SECURITY_ATTRIBUTES *sa,LONG initial,LONG max,LPCWSTR a)
 123 {
 124         LPSTR           name =a?HEAP_strdupWtoA(GetProcessHeap(),0,a):NULL;
 125         HANDLE32        ret;
 126
 127         ret = CreateSemaphore32A(sa,initial,max,name);
 128         if (a) HeapFree(GetProcessHeap(),0,name);
 129         return ret;
 130 }
 131
 132
 133 /***********************************************************************
 134  *           OpenSemaphoreA    (KERNEL32.403)
 135  */
 136 HANDLE32 WINAPI OpenSemaphore32A(DWORD desired,BOOL32 inherit,LPCSTR name)
 137 {
 138         K32OBJ          *obj = K32OBJ_FindName( name );
 139
 140         if (obj) {
 141                 if (obj->type == K32OBJ_SEMAPHORE)
 142                         return PROCESS_AllocHandle( obj,0 );
 143                 SetLastError( ERROR_DUP_NAME );
 144                 return 0;
 145         }
 146         return 0;
 147 }
 148
 149 /***********************************************************************
 150  *           OpenSemaphoreA    (KERNEL32.404)
 151  */
 152 HANDLE32 WINAPI OpenSemaphore32W(DWORD desired,BOOL32 inherit,LPCWSTR name)
 153 {
 154         LPSTR   nameA = name?HEAP_strdupWtoA(GetProcessHeap(),0,name):NULL;
 155         HANDLE32        ret = OpenSemaphore32A(desired,inherit,nameA);
 156
 157         if (name) HeapFree(GetProcessHeap(),0,nameA);
 158         return ret;
 159 }
 160
 161 /***********************************************************************
 162  *           ReleaseSemaphore    (KERNEL32.403)
 163  */
 164 BOOL32 WINAPI ReleaseSemaphore(HANDLE32 hSemaphore,LONG lReleaseCount,LPLONG lpPreviousCount)
 165 {
 166         K32SEMAPHORE    *sem;
 167
 168         sem = (K32SEMAPHORE*)PROCESS_GetObjPtr(hSemaphore,K32OBJ_SEMAPHORE);
 169         if (!sem)
 170                 return FALSE;
 171         if (lpPreviousCount) *lpPreviousCount = sem->count;
 172         sem->count += lReleaseCount;
 173         if (sem->count>sem->maxcount) {
 174                 fprintf(stderr,"ReleaseSemaphore(%d,%ld,.), released more then possible??\n",hSemaphore,lReleaseCount);
 175                 sem->count = sem->maxcount;
 176         }
 177
 178         /* FIXME: wake up all threads blocked on that semaphore */
 179
 180         K32OBJ_DecCount(&(sem->header));
 181         return TRUE;
 182 }
 183
 184 /***********************************************************************
 185  *           OpenMutexA    (KERNEL32.399)
 186  */
 187 HANDLE32 WINAPI OpenMutex32A(DWORD desiredaccess, BOOL32 inherithandle, LPCSTR name)
 188 {
 189         K32OBJ          *obj = K32OBJ_FindName( name );
 190
 191         if (obj) {
 192                 if (obj->type == K32OBJ_MUTEX)
 193                         return PROCESS_AllocHandle( obj,0 );
 194                 SetLastError( ERROR_DUP_NAME );
 195                 return 0;
 196         }
 197         return 0;
 198 }
 199
 200 /***********************************************************************
 201  *           OpenMutexW    (KERNEL32.400)
 202  */
 203 HANDLE32 WINAPI OpenMutex32W(DWORD desiredaccess, BOOL32 inherithandle,
 204                              LPCWSTR name)
 205 {
 206         LPSTR           nameA=name?HEAP_strdupWtoA(GetProcessHeap(),0,name):NULL;
 207         HANDLE32        ret = OpenMutex32A(desiredaccess,inherithandle,nameA);
 208
 209         if (name) HeapFree(GetProcessHeap(),0,nameA);
 210         return ret;
 211 }
 212
 213 /***********************************************************************
 214  *           ReleaseMutex    (KERNEL32.435)
 215  */
 216 BOOL32 WINAPI ReleaseMutex (HANDLE32 h)
 217 {
 218         K32MUTEX        *mut = (K32MUTEX*)PROCESS_GetObjPtr(h,K32OBJ_MUTEX);
 219
 220         if (!mut)
 221                 return 0;
 222         if (mut->owning_thread != (THDB *)GetCurrentThreadId()) {
 223                 /* set error ... */
 224                 K32OBJ_DecCount(&(mut->header));
 225                 return 0;
 226         }
 227         mut->owning_thread = NULL;
 228
 229         /* FIXME: wake up all threads blocked on this mutex */
 230
 231         K32OBJ_DecCount(&(mut->header));
 232         return TRUE;
 233 }
 234
 235 /***********************************************************************
 236  *           CreateEventA    (KERNEL32.43)
 237  */
 238 HANDLE32 WINAPI CreateEvent32A(SECURITY_ATTRIBUTES *sa,BOOL32 au,BOOL32 on,
 239                                LPCSTR name)
 240 {
 241         K32EVENT        *evt;
 242         HANDLE32        handle;
 243         K32OBJ          *obj = K32OBJ_FindName( name );
 244
 245         if (obj) {
 246                 if (obj->type == K32OBJ_EVENT) {
 247                         SetLastError( ERROR_ALREADY_EXISTS );
 248                         return PROCESS_AllocHandle( obj,0 );
 249                 }
 250                 SetLastError( ERROR_DUP_NAME );
 251                 return 0;
 252         }
 253         evt = (K32EVENT*)HeapAlloc(GetProcessHeap(),0,sizeof(K32EVENT));
 254         evt->header.type = K32OBJ_EVENT;
 255         evt->header.refcount  = 1;
 256         if (name)
 257                 K32OBJ_AddName(&(evt->header),name);
 258         handle = PROCESS_AllocHandle(&(evt->header),0);
 259         if (handle != INVALID_HANDLE_VALUE32)
 260                 return handle;
 261         K32OBJ_DecCount(&(evt->header)); /* also frees name */
 262         HeapFree(GetProcessHeap(),0,evt);
 263         return 0;
 264 }
 265
 266 /***********************************************************************
 267  *           CreateEventW    (KERNEL32.43)
 268  */
 269 HANDLE32 WINAPI CreateEvent32W(SECURITY_ATTRIBUTES *sa, BOOL32 au,
 270                                BOOL32 on,LPCWSTR name)
 271 {
 272         LPSTR nameA=name?HEAP_strdupWtoA(GetProcessHeap(),0,name):NULL;
 273         HANDLE32 ret = CreateEvent32A(sa,au,on,nameA);
 274
 275         if (name) HeapFree(GetProcessHeap(),0,nameA);
 276         return ret;
 277 }
 278
 279 /***********************************************************************
 280  *           OpenEventA    (KERNEL32.394)
 281  */
 282 HANDLE32 WINAPI OpenEvent32A(DWORD desiredaccess,BOOL32 inherithandle,LPCSTR name)
 283 {
 284         K32OBJ          *obj = K32OBJ_FindName( name );
 285
 286         if (obj) {
 287                 if (obj->type == K32OBJ_EVENT)
 288                         return PROCESS_AllocHandle( obj,0 );
 289                 SetLastError( ERROR_DUP_NAME );
 290                 return 0;
 291         }
 292         return 0;
 293 }
 294
 295 /***********************************************************************
 296  *           OpenEventW    (KERNEL32.395)
 297  */
 298 HANDLE32 WINAPI OpenEvent32W(DWORD desiredaccess,BOOL32 inherithandle,LPCWSTR name)
 299 {
 300         LPSTR   nameA = name?HEAP_strdupWtoA(GetProcessHeap(),0,name):NULL;
 301         HANDLE32        ret = OpenEvent32A(desiredaccess,inherithandle,nameA);
 302
 303         if (name) HeapFree(GetProcessHeap(),0,nameA);
 304         return ret;
 305 }
 306
 307 /***********************************************************************
 308  *           SetEvent    (KERNEL32.487)
 309  */
 310 BOOL32 WINAPI SetEvent (HANDLE32 h)
 311 {
 312         fprintf(stderr,"SetEvent(%d) stub\n",h);
 313         return 0;
 314 }
 315 /***********************************************************************
 316  *           ResetEvent    (KERNEL32.439)
 317  */
 318 BOOL32 WINAPI ResetEvent (HANDLE32 h)
 319 {
 320         fprintf(stderr,"ResetEvent(%d) stub\n",h);
 321         return 0;
 322 }
 323
 324 /***********************************************************************
 325  *           WaitForSingleObject    (KERNEL32.561)
 326  */
 327 DWORD WINAPI WaitForSingleObject(HANDLE32 h, DWORD timeout)
 328 {
 329         fprintf(stderr,"WaitForSingleObject(%d,%ld) stub\n",h,timeout);
 330         return 0;
 331 }
 332
 333 /***********************************************************************
 334  *           WaitForSingleObjectEx    (KERNEL32)
 335  */
 336 DWORD WINAPI WaitForSingleObjectEx(HANDLE32 h,DWORD timeout,BOOL32 bAlertable)
 337 {
 338         fprintf(stderr,"WaitForSingleObjectEx(%d,%ld,%d) stub\n",h,timeout,bAlertable);
 339         return 0;
 340 }
 341
 342
 343 /***********************************************************************
 344  *           WaitForMultipleObjects    (USER32.399)
 345  */
 346 DWORD WINAPI MsgWaitForMultipleObjects(
 347         DWORD nCount,HANDLE32 *pHandles,BOOL32 fWaitAll,DWORD dwMilliseconds,
 348         DWORD dwWakeMask
 349 ) {
 350         int     i;
 351         fprintf(stderr,"MsgWaitForMultipleObjects(%ld,[",nCount);
 352         for (i=0;i<nCount;i++)
 353                 fprintf(stderr,"%ld,",(DWORD)pHandles[i]);
 354         fprintf(stderr,"],%d,%ld,0x%08lx)\n",fWaitAll,dwMilliseconds,dwWakeMask);
 355         return 0;
 356 }
 357 /***********************************************************************
 358  *           DuplicateHandle    (KERNEL32.78)
 359  */
 360 BOOL32 WINAPI DuplicateHandle(HANDLE32 a, HANDLE32 b, HANDLE32 c, HANDLE32 * d, DWORD e, BOOL32 f, DWORD g)
 361 {
 362         fprintf(stderr,"DuplicateHandle(%d,%d,%d,%p,%ld,%d,%ld) stub\n",a,b,c,d,e,f,g);
 363         *d = b;
 364         return TRUE;
 365 }
 366
 367 HINSTANCE32 WINAPI LoadLibraryEx32A(LPCSTR libname,HFILE32 hfile,DWORD flags)
 368 {
 369     fprintf(stderr,"LoadLibraryEx32A(%s,%d,0x%08lx)\n",libname,hfile,flags);
 370     return LoadLibrary32A(libname);
 371 }
 372
 373 /***********************************************************************
 374  *           LoadLibraryA         (KERNEL32.365)
 375  * copied from LoadLibrary
 376  * This does not currently support built-in libraries
 377  */
 378 HINSTANCE32 WINAPI LoadLibrary32A(LPCSTR libname)
 379 {
 380         HINSTANCE32 handle;
 381         dprintf_module( stddeb, "LoadLibrary: (%08x) %s\n", (int)libname, libname);
 382         handle = LoadModule16( libname, (LPVOID)-1 );
 383         if (handle == (HINSTANCE32) -1)
 384         {
 385                 char buffer[256];
 386                 strcpy( buffer, libname );
 387                 strcat( buffer, ".dll" );
 388                 handle = LoadModule16( buffer, (LPVOID)-1 );
 389         }
 390         /* Obtain module handle and call initialization function */
 391 #ifndef WINELIB
 392         if (handle >= (HINSTANCE32)32) PE_InitializeDLLs( GetExePtr(handle), DLL_PROCESS_ATTACH, NULL);
 393 #endif
 394         return handle;
 395 }
 396
 397 /***********************************************************************
 398  *           LoadLibrary32W         (KERNEL32.368)
 399  */
 400 HINSTANCE32 WINAPI LoadLibrary32W(LPCWSTR libnameW)
 401 {
 402     LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
 403     HINSTANCE32 ret = LoadLibrary32A( libnameA );
 404     HeapFree( GetProcessHeap(), 0, libnameA );
 405     return ret;
 406 }
 407
 408 /***********************************************************************
 409  *           FreeLibrary
 410  */
 411 BOOL32 WINAPI FreeLibrary32(HINSTANCE32 hLibModule)
 412 {
 413         fprintf(stderr,"FreeLibrary: empty stub\n");
 414         return TRUE;
 415 }
 416
 417 /**********************************************************************
 418  *          GetProcessAffinityMask
 419  */
 420 BOOL32 WINAPI GetProcessAffinityMask(HANDLE32 hProcess,
 421                                      LPDWORD lpProcessAffinityMask,
 422                                      LPDWORD lpSystemAffinityMask)
 423 {
 424         dprintf_task(stddeb,"GetProcessAffinityMask(%x,%lx,%lx)\n",
 425                 hProcess,(lpProcessAffinityMask?*lpProcessAffinityMask:0),
 426                 (lpSystemAffinityMask?*lpSystemAffinityMask:0));
 427         /* It is definitely important for a process to know on what processor
 428            it is running :-) */
 429         if(lpProcessAffinityMask)
 430                 *lpProcessAffinityMask=1;
 431         if(lpSystemAffinityMask)
 432                 *lpSystemAffinityMask=1;
 433         return TRUE;
 434 }
 435
 436 /**********************************************************************
 437  *           SetThreadAffinityMask
 438  * Works now like the Windows95 (no MP support) version
 439  */
 440 BOOL32 WINAPI SetThreadAffinityMask(HANDLE32 hThread, DWORD dwThreadAffinityMask)
 441 {
 442         THDB    *thdb = (THDB*)PROCESS_GetObjPtr(hThread,K32OBJ_THREAD);
 443
 444         if (!thdb)
 445                 return FALSE;
 446         if (dwThreadAffinityMask!=1) {
 447                 fprintf(stderr,"SetThreadAffinityMask(%d,%ld), only 1 processor supported.\n",(int)hThread,dwThreadAffinityMask);
 448                 K32OBJ_DecCount((K32OBJ*)thdb);
 449                 return FALSE;
 450         }
 451         K32OBJ_DecCount((K32OBJ*)thdb);
 452         return TRUE;
 453 }
 454
 455 BOOL32 WINAPI CreateProcess32A(
 456         LPCSTR appname,LPSTR cmdline,LPSECURITY_ATTRIBUTES processattributes,
 457         LPSECURITY_ATTRIBUTES threadattributes,BOOL32 inherithandles,
 458         DWORD creationflags,LPVOID env,LPCSTR curdir,
 459         LPSTARTUPINFO32A startupinfo,LPPROCESS_INFORMATION processinfo
 460 ) {
 461         fprintf(stderr,"CreateProcess(%s,%s,%p,%p,%d,%08lx,%p,%s,%p,%p)\n",
 462                 appname,cmdline,processattributes,threadattributes,
 463                 inherithandles,creationflags,env,curdir,startupinfo,processinfo
 464         );
 465         return TRUE;
 466 }
 467
 468 BOOL32 WINAPI ContinueDebugEvent(DWORD pid,DWORD tid,DWORD contstatus) {
 469         fprintf(stderr,"ContinueDebugEvent(%ld,%ld,%ld), stub\n",pid,tid,contstatus);
 470         return TRUE;
 471 }
 472
 473 /*********************************************************************
 474  *      GetProcessTimes                         [KERNEL32.262]
 475  *
 476  * FIXME: implement this better ...
 477  */
 478 BOOL32 WINAPI GetProcessTimes(
 479         HANDLE32 hprocess,LPFILETIME lpCreationTime,LPFILETIME lpExitTime,
 480         LPFILETIME lpKernelTime, LPFILETIME lpUserTime
 481 ) {
 482         struct tms tms;
 483
 484         times(&tms);
 485         DOSFS_UnixTimeToFileTime(tms.tms_utime,lpUserTime,0);
 486         DOSFS_UnixTimeToFileTime(tms.tms_stime,lpKernelTime,0);
 487         return TRUE;
 488 }
 489