dlls/kernel32/tests/debugger.c

   1 /*
   2  * Unit tests for the debugger facility
   3  *
   4  * Copyright (c) 2007 Francois Gouget for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdio.h>
  22 #include <assert.h>
  23
  24 #include <windows.h>
  25 #include <winternl.h>
  26 #include <winreg.h>
  27 #include "wine/test.h"
  28
  29 #ifndef STATUS_DEBUGGER_INACTIVE
  30 #define STATUS_DEBUGGER_INACTIVE         ((NTSTATUS) 0xC0000354)
  31 #endif
  32
  33 #ifdef __GNUC__
  34 #define PRINTF_ATTR(fmt,args) __attribute__((format (printf,fmt,args)))
  35 #else
  36 #define PRINTF_ATTR(fmt,args)
  37 #endif
  38
  39 #define child_ok (winetest_set_location(__FILE__, __LINE__), 0) ? (void)0 : test_child_ok
  40
  41 static int    myARGC;
  42 static char** myARGV;
  43
  44 static BOOL (WINAPI *pCheckRemoteDebuggerPresent)(HANDLE,PBOOL);
  45 static BOOL (WINAPI *pDebugActiveProcessStop)(DWORD);
  46 static BOOL (WINAPI *pDebugSetProcessKillOnExit)(BOOL);
  47 static BOOL (WINAPI *pIsDebuggerPresent)(void);
  48 static struct _TEB * (WINAPI *pNtCurrentTeb)(void);
  49
  50 static LONG child_failures;
  51
  52 static void PRINTF_ATTR(2, 3) test_child_ok(int condition, const char *msg, ...)
  53 {
  54     va_list valist;
  55
  56     va_start(valist, msg);
  57     winetest_vok(condition, msg, valist);
  58     va_end(valist);
  59     if (!condition) ++child_failures;
  60 }
  61
  62 /* Copied from the process test */
  63 static void get_file_name(char* buf)
  64 {
  65     char path[MAX_PATH];
  66
  67     buf[0] = '\0';
  68     GetTempPathA(sizeof(path), path);
  69     GetTempFileNameA(path, "wt", 0, buf);
  70 }
  71
  72 typedef struct tag_reg_save_value
  73 {
  74     const char *name;
  75     DWORD type;
  76     BYTE *data;
  77     DWORD size;
  78 } reg_save_value;
  79
  80 static DWORD save_value(HKEY hkey, const char *value, reg_save_value *saved)
  81 {
  82     DWORD ret;
  83     saved->name=value;
  84     saved->data=0;
  85     saved->size=0;
  86     ret=RegQueryValueExA(hkey, value, NULL, &saved->type, NULL, &saved->size);
  87     if (ret == ERROR_SUCCESS)
  88     {
  89         saved->data=HeapAlloc(GetProcessHeap(), 0, saved->size);
  90         RegQueryValueExA(hkey, value, NULL, &saved->type, saved->data, &saved->size);
  91     }
  92     return ret;
  93 }
  94
  95 static void restore_value(HKEY hkey, reg_save_value *saved)
  96 {
  97     if (saved->data)
  98     {
  99         RegSetValueExA(hkey, saved->name, 0, saved->type, saved->data, saved->size);
 100         HeapFree(GetProcessHeap(), 0, saved->data);
 101     }
 102     else
 103         RegDeleteValueA(hkey, saved->name);
 104 }
 105
 106 static void get_events(const char* name, HANDLE *start_event, HANDLE *done_event)
 107 {
 108     const char* basename;
 109     char* event_name;
 110
 111     basename=strrchr(name, '\\');
 112     basename=(basename ? basename+1 : name);
 113     event_name=HeapAlloc(GetProcessHeap(), 0, 6+strlen(basename)+1);
 114
 115     sprintf(event_name, "start_%s", basename);
 116     *start_event=CreateEvent(NULL, 0,0, event_name);
 117     sprintf(event_name, "done_%s", basename);
 118     *done_event=CreateEvent(NULL, 0,0, event_name);
 119     HeapFree(GetProcessHeap(), 0, event_name);
 120 }
 121
 122 static void save_blackbox(const char* logfile, void* blackbox, int size)
 123 {
 124     HANDLE hFile;
 125     DWORD written;
 126
 127     hFile=CreateFileA(logfile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 128     if (hFile == INVALID_HANDLE_VALUE)
 129         return;
 130     WriteFile(hFile, blackbox, size, &written, NULL);
 131     CloseHandle(hFile);
 132 }
 133
 134 static int load_blackbox(const char* logfile, void* blackbox, int size)
 135 {
 136     HANDLE hFile;
 137     DWORD read;
 138     BOOL ret;
 139
 140     hFile=CreateFileA(logfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0);
 141     if (hFile == INVALID_HANDLE_VALUE)
 142     {
 143         ok(0, "unable to open '%s'\n", logfile);
 144         return 0;
 145     }
 146     SetLastError(0xdeadbeef);
 147     ret=ReadFile(hFile, blackbox, size, &read, NULL);
 148     ok(ret, "ReadFile failed: %d\n", GetLastError());
 149     ok(read == size, "wrong size for '%s': read=%d\n", logfile, read);
 150     CloseHandle(hFile);
 151     return 1;
 152 }
 153
 154 typedef struct
 155 {
 156     DWORD pid;
 157 } crash_blackbox_t;
 158
 159 static void doCrash(int argc,  char** argv)
 160 {
 161     char* p;
 162
 163     /* make sure the exception gets to the debugger */
 164     SetErrorMode( 0 );
 165     SetUnhandledExceptionFilter( NULL );
 166
 167     if (argc >= 4)
 168     {
 169         crash_blackbox_t blackbox;
 170         blackbox.pid=GetCurrentProcessId();
 171         save_blackbox(argv[3], &blackbox, sizeof(blackbox));
 172     }
 173
 174     /* Just crash */
 175     trace("child: crashing...\n");
 176     p=NULL;
 177     *p=0;
 178 }
 179
 180 typedef struct
 181 {
 182     int argc;
 183     DWORD pid;
 184     BOOL debug_rc;
 185     DWORD debug_err;
 186     BOOL attach_rc;
 187     DWORD attach_err;
 188     BOOL nokill_rc;
 189     DWORD nokill_err;
 190     BOOL detach_rc;
 191     DWORD detach_err;
 192 } debugger_blackbox_t;
 193
 194 static void doDebugger(int argc, char** argv)
 195 {
 196     const char* logfile;
 197     debugger_blackbox_t blackbox;
 198     HANDLE start_event = 0, done_event = 0, debug_event;
 199
 200     blackbox.argc=argc;
 201     logfile=(argc >= 4 ? argv[3] : NULL);
 202     blackbox.pid=(argc >= 5 ? atol(argv[4]) : 0);
 203
 204     blackbox.attach_err=0;
 205     if (strstr(myARGV[2], "attach"))
 206     {
 207         blackbox.attach_rc=DebugActiveProcess(blackbox.pid);
 208         if (!blackbox.attach_rc)
 209             blackbox.attach_err=GetLastError();
 210     }
 211     else
 212         blackbox.attach_rc=TRUE;
 213
 214     debug_event=(argc >= 6 ? (HANDLE)(INT_PTR)atol(argv[5]) : NULL);
 215     blackbox.debug_err=0;
 216     if (debug_event && strstr(myARGV[2], "event"))
 217     {
 218         blackbox.debug_rc=SetEvent(debug_event);
 219         if (!blackbox.debug_rc)
 220             blackbox.debug_err=GetLastError();
 221     }
 222     else
 223         blackbox.debug_rc=TRUE;
 224
 225     if (logfile)
 226     {
 227         get_events(logfile, &start_event, &done_event);
 228     }
 229
 230     if (strstr(myARGV[2], "order"))
 231     {
 232         trace("debugger: waiting for the start signal...\n");
 233         WaitForSingleObject(start_event, INFINITE);
 234     }
 235
 236     blackbox.nokill_err=0;
 237     if (strstr(myARGV[2], "nokill"))
 238     {
 239         blackbox.nokill_rc=pDebugSetProcessKillOnExit(FALSE);
 240         if (!blackbox.nokill_rc)
 241             blackbox.nokill_err=GetLastError();
 242     }
 243     else
 244         blackbox.nokill_rc=TRUE;
 245
 246     blackbox.detach_err=0;
 247     if (strstr(myARGV[2], "detach"))
 248     {
 249         blackbox.detach_rc=pDebugActiveProcessStop(blackbox.pid);
 250         if (!blackbox.detach_rc)
 251             blackbox.detach_err=GetLastError();
 252     }
 253     else
 254         blackbox.detach_rc=TRUE;
 255
 256     if (logfile)
 257     {
 258         save_blackbox(logfile, &blackbox, sizeof(blackbox));
 259     }
 260     trace("debugger: done debugging...\n");
 261     SetEvent(done_event);
 262
 263     /* Just exit with a known value */
 264     ExitProcess(0xdeadbeef);
 265 }
 266
 267 static void crash_and_debug(HKEY hkey, const char* argv0, const char* dbgtasks)
 268 {
 269     static BOOL skip_crash_and_debug = FALSE;
 270     BOOL bRet;
 271     DWORD ret;
 272     HANDLE start_event, done_event;
 273     char* cmd;
 274     char dbglog[MAX_PATH];
 275     char childlog[MAX_PATH];
 276     PROCESS_INFORMATION info;
 277     STARTUPINFOA startup;
 278     DWORD exit_code;
 279     crash_blackbox_t crash_blackbox;
 280     debugger_blackbox_t dbg_blackbox;
 281     DWORD wait_code;
 282
 283     if (skip_crash_and_debug)
 284     {
 285         win_skip("Skipping crash_and_debug\n");
 286         return;
 287     }
 288
 289     ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
 290     ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
 291
 292     get_file_name(dbglog);
 293     get_events(dbglog, &start_event, &done_event);
 294     cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+10+strlen(dbgtasks)+1+strlen(dbglog)+2+34+1);
 295     sprintf(cmd, "%s debugger %s \"%s\" %%ld %%ld", argv0, dbgtasks, dbglog);
 296     ret=RegSetValueExA(hkey, "debugger", 0, REG_SZ, (BYTE*)cmd, strlen(cmd)+1);
 297     ok(ret == ERROR_SUCCESS, "unable to set AeDebug/debugger: ret=%d\n", ret);
 298     HeapFree(GetProcessHeap(), 0, cmd);
 299
 300     get_file_name(childlog);
 301     cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+16+strlen(dbglog)+2+1);
 302     sprintf(cmd, "%s debugger crash \"%s\"", argv0, childlog);
 303
 304     memset(&startup, 0, sizeof(startup));
 305     startup.cb = sizeof(startup);
 306     startup.dwFlags = STARTF_USESHOWWINDOW;
 307     startup.wShowWindow = SW_SHOWNORMAL;
 308     ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
 309     ok(ret, "CreateProcess: err=%d\n", GetLastError());
 310     HeapFree(GetProcessHeap(), 0, cmd);
 311     CloseHandle(info.hThread);
 312
 313     /* The process exits... */
 314     trace("waiting for child exit...\n");
 315     wait_code = WaitForSingleObject(info.hProcess, 30000);
 316 #if defined(_WIN64) && defined(__MINGW32__)
 317     /* Mingw x64 doesn't output proper unwind info */
 318     skip_crash_and_debug = broken(wait_code == WAIT_TIMEOUT);
 319     if (skip_crash_and_debug)
 320     {
 321         TerminateProcess(info.hProcess, WAIT_TIMEOUT);
 322         WaitForSingleObject(info.hProcess, 5000);
 323         CloseHandle(info.hProcess);
 324         assert(DeleteFileA(dbglog) != 0);
 325         assert(DeleteFileA(childlog) != 0);
 326         win_skip("Giving up on child process\n");
 327         return;
 328     }
 329 #endif
 330     ok(wait_code == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
 331     bRet = GetExitCodeProcess(info.hProcess, &exit_code);
 332     ok(bRet, "GetExitCodeProcess failed: err=%d\n", GetLastError());
 333     if (strstr(dbgtasks, "code2"))
 334     {
 335         /* If, after attaching to the debuggee, the debugger exits without
 336          * detaching, then the debuggee gets a special exit code.
 337          */
 338         ok(exit_code == STATUS_DEBUGGER_INACTIVE ||
 339            broken(exit_code == STATUS_ACCESS_VIOLATION) || /* Intermittent Vista+ */
 340            broken(exit_code == WAIT_ABANDONED), /* NT4, W2K */
 341            "wrong exit code : %08x\n", exit_code);
 342     }
 343     else
 344         ok(exit_code == STATUS_ACCESS_VIOLATION ||
 345            broken(exit_code == WAIT_ABANDONED), /* NT4, W2K, W2K3 */
 346            "wrong exit code : %08x\n", exit_code);
 347     CloseHandle(info.hProcess);
 348
 349     /* ...before the debugger */
 350     if (strstr(dbgtasks, "order"))
 351         ok(SetEvent(start_event), "SetEvent(start_event) failed\n");
 352
 353     trace("waiting for the debugger...\n");
 354     wait_code = WaitForSingleObject(done_event, 5000);
 355 #if defined(_WIN64) && defined(__MINGW32__)
 356     /* Mingw x64 doesn't output proper unwind info */
 357     skip_crash_and_debug = broken(wait_code == WAIT_TIMEOUT);
 358     if (skip_crash_and_debug)
 359     {
 360         assert(DeleteFileA(dbglog) != 0);
 361         assert(DeleteFileA(childlog) != 0);
 362         win_skip("Giving up on debugger\n");
 363         return;
 364     }
 365 #endif
 366     ok(wait_code == WAIT_OBJECT_0, "Timed out waiting for the debugger\n");
 367
 368     assert(load_blackbox(childlog, &crash_blackbox, sizeof(crash_blackbox)));
 369     assert(load_blackbox(dbglog, &dbg_blackbox, sizeof(dbg_blackbox)));
 370
 371     ok(dbg_blackbox.argc == 6, "wrong debugger argument count: %d\n", dbg_blackbox.argc);
 372     ok(dbg_blackbox.pid == crash_blackbox.pid, "the child and debugged pids don't match: %d != %d\n", crash_blackbox.pid, dbg_blackbox.pid);
 373     ok(dbg_blackbox.debug_rc, "debugger: SetEvent(debug_event) failed err=%d\n", dbg_blackbox.debug_err);
 374     ok(dbg_blackbox.attach_rc, "DebugActiveProcess(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.attach_err);
 375     ok(dbg_blackbox.nokill_rc, "DebugSetProcessKillOnExit(FALSE) failed err=%d\n", dbg_blackbox.nokill_err);
 376     ok(dbg_blackbox.detach_rc, "DebugActiveProcessStop(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.detach_err);
 377
 378     assert(DeleteFileA(dbglog) != 0);
 379     assert(DeleteFileA(childlog) != 0);
 380 }
 381
 382 static void crash_and_winedbg(HKEY hkey, const char* argv0)
 383 {
 384     BOOL bRet;
 385     DWORD ret;
 386     char* cmd;
 387     PROCESS_INFORMATION info;
 388     STARTUPINFOA startup;
 389     DWORD exit_code;
 390
 391     ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
 392     ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
 393
 394     cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+15+1);
 395     sprintf(cmd, "%s debugger crash", argv0);
 396
 397     memset(&startup, 0, sizeof(startup));
 398     startup.cb = sizeof(startup);
 399     startup.dwFlags = STARTF_USESHOWWINDOW;
 400     startup.wShowWindow = SW_SHOWNORMAL;
 401     ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
 402     ok(ret, "CreateProcess: err=%d\n", GetLastError());
 403     HeapFree(GetProcessHeap(), 0, cmd);
 404     CloseHandle(info.hThread);
 405
 406     trace("waiting for child exit...\n");
 407     ok(WaitForSingleObject(info.hProcess, 60000) == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
 408     bRet = GetExitCodeProcess(info.hProcess, &exit_code);
 409     ok(bRet, "GetExitCodeProcess failed: err=%d\n", GetLastError());
 410     ok(exit_code == STATUS_ACCESS_VIOLATION, "exit code = %08x\n", exit_code);
 411     CloseHandle(info.hProcess);
 412 }
 413
 414 static void test_ExitCode(void)
 415 {
 416     static const char* AeDebug="Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug";
 417     static const char* WineDbg="Software\\Wine\\WineDbg";
 418     char test_exe[MAX_PATH];
 419     DWORD ret;
 420     HKEY hkey;
 421     DWORD disposition;
 422     reg_save_value auto_value;
 423     reg_save_value debugger_value;
 424
 425     GetModuleFileNameA(GetModuleHandle(NULL), test_exe, sizeof(test_exe));
 426     if (GetFileAttributes(test_exe) == INVALID_FILE_ATTRIBUTES)
 427         strcat(test_exe, ".so");
 428     if (GetFileAttributesA(test_exe) == INVALID_FILE_ATTRIBUTES)
 429     {
 430         ok(0, "could not find the test executable '%s'\n", test_exe);
 431         return;
 432     }
 433
 434     ret=RegCreateKeyExA(HKEY_LOCAL_MACHINE, AeDebug, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &disposition);
 435     if (ret == ERROR_SUCCESS)
 436     {
 437         save_value(hkey, "auto", &auto_value);
 438         save_value(hkey, "debugger", &debugger_value);
 439         trace("HKLM\\%s\\debugger is set to '%s'\n", AeDebug, debugger_value.data);
 440     }
 441     else if (ret == ERROR_ACCESS_DENIED)
 442     {
 443         skip("not enough privileges to change the debugger\n");
 444         return;
 445     }
 446     else if (ret != ERROR_FILE_NOT_FOUND)
 447     {
 448         ok(0, "could not open the AeDebug key: %d\n", ret);
 449         return;
 450     }
 451     else debugger_value.data = NULL;
 452
 453     if (debugger_value.data && debugger_value.type == REG_SZ &&
 454         strstr((char*)debugger_value.data, "winedbg --auto"))
 455     {
 456         HKEY hkeyWinedbg;
 457         ret=RegCreateKeyA(HKEY_CURRENT_USER, WineDbg, &hkeyWinedbg);
 458         if (ret == ERROR_SUCCESS)
 459         {
 460             static DWORD zero;
 461             reg_save_value crash_dlg_value;
 462             save_value(hkeyWinedbg, "ShowCrashDialog", &crash_dlg_value);
 463             RegSetValueExA(hkeyWinedbg, "ShowCrashDialog", 0, REG_DWORD, (BYTE *)&zero, sizeof(DWORD));
 464             crash_and_winedbg(hkey, test_exe);
 465             restore_value(hkeyWinedbg, &crash_dlg_value);
 466             RegCloseKey(hkeyWinedbg);
 467         }
 468         else
 469             ok(0, "Couldn't access WineDbg Key - error %u\n", ret);
 470     }
 471
 472     if (winetest_interactive)
 473         /* Since the debugging process never sets the debug event, it isn't recognized
 474            as a valid debugger and, after the debugger exits, Windows will show a dialog box
 475            asking the user what to do */
 476         crash_and_debug(hkey, test_exe, "dbg,none");
 477     else
 478         skip("\"none\" debugger test needs user interaction\n");
 479     ok(disposition == REG_OPENED_EXISTING_KEY, "expected REG_OPENED_EXISTING_KEY, got %d\n", disposition);
 480     crash_and_debug(hkey, test_exe, "dbg,event,order");
 481     crash_and_debug(hkey, test_exe, "dbg,attach,event,code2");
 482     if (pDebugSetProcessKillOnExit)
 483         crash_and_debug(hkey, test_exe, "dbg,attach,event,nokill");
 484     else
 485         win_skip("DebugSetProcessKillOnExit is not available\n");
 486     if (pDebugActiveProcessStop)
 487         crash_and_debug(hkey, test_exe, "dbg,attach,event,detach");
 488     else
 489         win_skip("DebugActiveProcessStop is not available\n");
 490
 491     if (disposition == REG_CREATED_NEW_KEY)
 492     {
 493         RegCloseKey(hkey);
 494         RegDeleteKeyA(HKEY_LOCAL_MACHINE, AeDebug);
 495     }
 496     else
 497     {
 498         restore_value(hkey, &auto_value);
 499         restore_value(hkey, &debugger_value);
 500         RegCloseKey(hkey);
 501     }
 502 }
 503
 504 static void test_RemoteDebugger(void)
 505 {
 506     BOOL bret, present;
 507     if(!pCheckRemoteDebuggerPresent)
 508     {
 509         win_skip("CheckRemoteDebuggerPresent is not available\n");
 510         return;
 511     }
 512     present = TRUE;
 513     SetLastError(0xdeadbeef);
 514     bret = pCheckRemoteDebuggerPresent(GetCurrentProcess(),&present);
 515     ok(bret , "expected CheckRemoteDebuggerPresent to succeed\n");
 516     ok(0xdeadbeef == GetLastError(),
 517        "expected error to be unchanged, got %d/%x\n",GetLastError(), GetLastError());
 518
 519     present = TRUE;
 520     SetLastError(0xdeadbeef);
 521     bret = pCheckRemoteDebuggerPresent(NULL,&present);
 522     ok(!bret , "expected CheckRemoteDebuggerPresent to fail\n");
 523     ok(present, "expected parameter to be unchanged\n");
 524     ok(ERROR_INVALID_PARAMETER == GetLastError(),
 525        "expected error ERROR_INVALID_PARAMETER, got %d/%x\n",GetLastError(), GetLastError());
 526
 527     SetLastError(0xdeadbeef);
 528     bret = pCheckRemoteDebuggerPresent(GetCurrentProcess(),NULL);
 529     ok(!bret , "expected CheckRemoteDebuggerPresent to fail\n");
 530     ok(ERROR_INVALID_PARAMETER == GetLastError(),
 531        "expected error ERROR_INVALID_PARAMETER, got %d/%x\n",GetLastError(), GetLastError());
 532 }
 533
 534 struct child_blackbox
 535 {
 536     LONG failures;
 537 };
 538
 539 static void doChild(int argc, char **argv)
 540 {
 541     struct child_blackbox blackbox;
 542     const char *blackbox_file;
 543     HANDLE parent;
 544     DWORD ppid;
 545     BOOL debug;
 546     BOOL ret;
 547
 548     blackbox_file = argv[4];
 549     sscanf(argv[3], "%08x", &ppid);
 550
 551     parent = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, ppid);
 552     child_ok(!!parent, "OpenProcess failed, last error %#x.\n", GetLastError());
 553
 554     ret = pCheckRemoteDebuggerPresent(parent, &debug);
 555     child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 556     child_ok(!debug, "Expected debug == 0, got %#x.\n", debug);
 557
 558     ret = DebugActiveProcess(ppid);
 559     child_ok(ret, "DebugActiveProcess failed, last error %#x.\n", GetLastError());
 560
 561     ret = pCheckRemoteDebuggerPresent(parent, &debug);
 562     child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 563     child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
 564
 565     ret = pDebugActiveProcessStop(ppid);
 566     child_ok(ret, "DebugActiveProcessStop failed, last error %#x.\n", GetLastError());
 567
 568     ret = pCheckRemoteDebuggerPresent(parent, &debug);
 569     child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 570     child_ok(!debug, "Expected debug == 0, got %#x.\n", debug);
 571
 572     ret = CloseHandle(parent);
 573     child_ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
 574
 575     ret = pIsDebuggerPresent();
 576     child_ok(ret, "Expected ret != 0, got %#x.\n", ret);
 577     ret = pCheckRemoteDebuggerPresent(GetCurrentProcess(), &debug);
 578     child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 579     child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
 580
 581     if (pNtCurrentTeb)
 582     {
 583         pNtCurrentTeb()->Peb->BeingDebugged = FALSE;
 584
 585         ret = pIsDebuggerPresent();
 586         child_ok(!ret, "Expected ret != 0, got %#x.\n", ret);
 587         ret = pCheckRemoteDebuggerPresent(GetCurrentProcess(), &debug);
 588         child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 589         child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
 590
 591         pNtCurrentTeb()->Peb->BeingDebugged = TRUE;
 592     }
 593
 594     blackbox.failures = child_failures;
 595     save_blackbox(blackbox_file, &blackbox, sizeof(blackbox));
 596 }
 597
 598 static void test_debug_loop(int argc, char **argv)
 599 {
 600     const char *arguments = " debugger child ";
 601     struct child_blackbox blackbox;
 602     char blackbox_file[MAX_PATH];
 603     PROCESS_INFORMATION pi;
 604     STARTUPINFOA si;
 605     BOOL debug;
 606     DWORD pid;
 607     char *cmd;
 608     BOOL ret;
 609
 610     if (!pDebugActiveProcessStop || !pCheckRemoteDebuggerPresent)
 611     {
 612         win_skip("DebugActiveProcessStop or CheckRemoteDebuggerPresent not available, skipping test.\n");
 613         return;
 614     }
 615
 616     pid = GetCurrentProcessId();
 617     ret = DebugActiveProcess(pid);
 618     ok(!ret, "DebugActiveProcess() succeeded on own process.\n");
 619
 620     get_file_name(blackbox_file);
 621     cmd = HeapAlloc(GetProcessHeap(), 0, strlen(argv[0]) + strlen(arguments) + strlen(blackbox_file) + 2 + 10);
 622     sprintf(cmd, "%s%s%08x \"%s\"", argv[0], arguments, pid, blackbox_file);
 623
 624     memset(&si, 0, sizeof(si));
 625     si.cb = sizeof(si);
 626     ret = CreateProcessA(NULL, cmd, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
 627     ok(ret, "CreateProcess failed, last error %#x.\n", GetLastError());
 628
 629     HeapFree(GetProcessHeap(), 0, cmd);
 630
 631     ret = pCheckRemoteDebuggerPresent(pi.hProcess, &debug);
 632     ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
 633     ok(debug, "Expected debug != 0, got %#x.\n", debug);
 634
 635     for (;;)
 636     {
 637         DEBUG_EVENT ev;
 638
 639         ret = WaitForDebugEvent(&ev, INFINITE);
 640         ok(ret, "WaitForDebugEvent failed, last error %#x.\n", GetLastError());
 641         if (!ret) break;
 642
 643         if (ev.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT) break;
 644
 645         ret = ContinueDebugEvent(ev.dwProcessId, ev.dwThreadId, DBG_CONTINUE);
 646         ok(ret, "ContinueDebugEvent failed, last error %#x.\n", GetLastError());
 647         if (!ret) break;
 648     }
 649
 650     ret = CloseHandle(pi.hThread);
 651     ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
 652     ret = CloseHandle(pi.hProcess);
 653     ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
 654
 655     load_blackbox(blackbox_file, &blackbox, sizeof(blackbox));
 656     ok(!blackbox.failures, "Got %d failures from child process.\n", blackbox.failures);
 657
 658     ret = DeleteFileA(blackbox_file);
 659     ok(ret, "DeleteFileA failed, last error %#x.\n", GetLastError());
 660 }
 661
 662 START_TEST(debugger)
 663 {
 664     HMODULE hdll;
 665
 666     hdll=GetModuleHandle("kernel32.dll");
 667     pCheckRemoteDebuggerPresent=(void*)GetProcAddress(hdll, "CheckRemoteDebuggerPresent");
 668     pDebugActiveProcessStop=(void*)GetProcAddress(hdll, "DebugActiveProcessStop");
 669     pDebugSetProcessKillOnExit=(void*)GetProcAddress(hdll, "DebugSetProcessKillOnExit");
 670     pIsDebuggerPresent=(void*)GetProcAddress(hdll, "IsDebuggerPresent");
 671     hdll=GetModuleHandle("ntdll.dll");
 672     if (hdll) pNtCurrentTeb = (void*)GetProcAddress(hdll, "NtCurrentTeb");
 673
 674     myARGC=winetest_get_mainargs(&myARGV);
 675     if (myARGC >= 3 && strcmp(myARGV[2], "crash") == 0)
 676     {
 677         doCrash(myARGC, myARGV);
 678     }
 679     else if (myARGC >= 3 && strncmp(myARGV[2], "dbg,", 4) == 0)
 680     {
 681         doDebugger(myARGC, myARGV);
 682     }
 683     else if (myARGC >= 5 && !strcmp(myARGV[2], "child"))
 684     {
 685         doChild(myARGC, myARGV);
 686     }
 687     else
 688     {
 689         test_ExitCode();
 690         test_RemoteDebugger();
 691         test_debug_loop(myARGC, myARGV);
 692     }
 693 }