init.cpp@ 62477

Last change on this file since 62477 was 62477, checked in by vboxsync, 8 years ago
(C) 2016
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1	/* $Id: init.cpp 62477 2016-07-22 18:27:37Z vboxsync $ */
2	/** @file
3	* IPRT - Init Ring-3.
4	*/
5
6	/*
7	* Copyright (C) 2006-2016 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#define LOG_GROUP RTLOGGROUP_DEFAULT
32	#include <iprt/types.h> /* darwin: UINT32_C and others. */
33
34	#ifdef RT_OS_WINDOWS
35	# include <process.h>
36	# include <Windows.h>
37	#else
38	# include <unistd.h>
39	# ifndef RT_OS_OS2
40	# include <pthread.h>
41	# include <signal.h>
42	# include <errno.h>
43	# define IPRT_USE_SIG_CHILD_DUMMY
44	# endif
45	#endif
46	#ifdef RT_OS_OS2
47	# include <InnoTekLIBC/fork.h>
48	# define INCL_DOSMISC
49	# include <os2.h>
50	#endif
51	#include <locale.h>
52
53	#include <iprt/initterm.h>
54	#include <iprt/asm.h>
55	#include <iprt/assert.h>
56	#include <iprt/err.h>
57	#include <iprt/log.h>
58	#include <iprt/mem.h>
59	#include <iprt/path.h>
60	#include <iprt/time.h>
61	#include <iprt/string.h>
62	#include <iprt/param.h>
63	#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
64	# include <iprt/file.h>
65	# include <VBox/sup.h>
66	#endif
67	#include <stdlib.h>
68
69	#include "init.h"
70	#include "internal/alignmentchecks.h"
71	#include "internal/path.h"
72	#include "internal/process.h"
73	#include "internal/thread.h"
74	#include "internal/time.h"
75
76
77	/*********************************************************************************************************************************
78	* Global Variables *
79	*********************************************************************************************************************************/
80	/** The number of calls to RTR3Init. /
81	static int32_t volatile g_cUsers = 0;
82	/** Whether we're currently initializing the IPRT. */
83	static bool volatile g_fInitializing = false;
84
85	/** The process path.
86	* This is used by RTPathExecDir and RTProcGetExecutablePath and set by rtProcInitName. */
87	DECLHIDDEN(char) g_szrtProcExePath[RTPATH_MAX];
88	/** The length of g_szrtProcExePath. */
89	DECLHIDDEN(size_t) g_cchrtProcExePath;
90	/** The length of directory path component of g_szrtProcExePath. */
91	DECLHIDDEN(size_t) g_cchrtProcDir;
92	/** The offset of the process name into g_szrtProcExePath. */
93	DECLHIDDEN(size_t) g_offrtProcName;
94
95	/** The IPRT init flags. */
96	static uint32_t g_fInitFlags;
97
98	/** The argument count of the program. */
99	static int g_crtArgs = -1;
100	/** The arguments of the program (UTF-8). This is "leaked". */
101	static char ** g_papszrtArgs;
102	/** The original argument vector of the program. */
103	static char ** g_papszrtOrgArgs;
104
105	/**
106	* Program start nanosecond TS.
107	*/
108	DECLHIDDEN(uint64_t) g_u64ProgramStartNanoTS;
109
110	/**
111	* Program start microsecond TS.
112	*/
113	DECLHIDDEN(uint64_t) g_u64ProgramStartMicroTS;
114
115	/**
116	* Program start millisecond TS.
117	*/
118	DECLHIDDEN(uint64_t) g_u64ProgramStartMilliTS;
119
120	/**
121	* The process identifier of the running process.
122	*/
123	DECLHIDDEN(RTPROCESS) g_ProcessSelf = NIL_RTPROCESS;
124
125	/**
126	* The current process priority.
127	*/
128	DECLHIDDEN(RTPROCPRIORITY) g_enmProcessPriority = RTPROCPRIORITY_DEFAULT;
129
130	/**
131	* Set if the atexit callback has been called, i.e. indicating
132	* that the process is terminating.
133	*/
134	DECLHIDDEN(bool volatile) g_frtAtExitCalled = false;
135
136	#ifdef IPRT_WITH_ALIGNMENT_CHECKS
137	/**
138	* Whether alignment checks are enabled.
139	* This is set if the environment variable IPRT_ALIGNMENT_CHECKS is 1.
140	*/
141	RTDATADECL(bool) g_fRTAlignmentChecks = false;
142	#endif
143
144
145	#if defined(RT_OS_DARWIN) \|\| defined(RT_OS_FREEBSD) \|\| defined(RT_OS_HAIKU) \
146	\|\| defined(RT_OS_LINUX) \|\| defined(RT_OS_OS2) \|\| defined(RT_OS_SOLARIS) /** @todo add host init hooks everywhere. */
147	/* Stubs */
148	DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags) { return VINF_SUCCESS; }
149	DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags) { return VINF_SUCCESS; }
150	DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags) { }
151	#endif
152
153
154	/**
155	* atexit callback.
156	*
157	* This makes sure any loggers are flushed and will later also work the
158	* termination callback chain.
159	*/
160	static void rtR3ExitCallback(void)
161	{
162	ASMAtomicWriteBool(&g_frtAtExitCalled, true);
163
164	if (g_cUsers > 0)
165	{
166	PRTLOGGER pLogger = RTLogGetDefaultInstance();
167	if (pLogger)
168	RTLogFlush(pLogger);
169
170	pLogger = RTLogRelGetDefaultInstance();
171	if (pLogger)
172	RTLogFlush(pLogger);
173	}
174	}
175
176
177	#ifndef RT_OS_WINDOWS
178	/**
179	* Fork callback, child context.
180	*/
181	static void rtR3ForkChildCallback(void)
182	{
183	g_ProcessSelf = getpid();
184	}
185	#endif /* RT_OS_WINDOWS */
186
187	#ifdef RT_OS_OS2
188	/** Fork completion callback for OS/2. Only called in the child. */
189	static void rtR3ForkOs2ChildCompletionCallback(void *pvArg, int rc, __LIBC_FORKCTX enmCtx)
190	{
191	Assert(enmCtx == __LIBC_FORK_CTX_CHILD); NOREF(enmCtx);
192	NOREF(pvArg);
193
194	if (!rc)
195	rtR3ForkChildCallback();
196	}
197
198	/** Low-level fork callback for OS/2. */
199	int rtR3ForkOs2Child(__LIBC_PFORKHANDLE pForkHandle, __LIBC_FORKOP enmOperation)
200	{
201	if (enmOperation == __LIBC_FORK_OP_EXEC_CHILD)
202	return pForkHandle->pfnCompletionCallback(pForkHandle, rtR3ForkOs2ChildCompletionCallback, NULL, __LIBC_FORK_CTX_CHILD);
203	return 0;
204	}
205
206	# define static static volatile /** @todo _FORK_CHILD1 causes unresolved externals in optimized builds. Fix macro. */
207	_FORK_CHILD1(0, rtR3ForkOs2Child);
208	# undef static
209	#endif /* RT_OS_OS2 */
210
211
212
213	/**
214	* Internal worker which initializes or re-initializes the
215	* program path, name and directory globals.
216	*
217	* @returns IPRT status code.
218	* @param pszProgramPath The program path, NULL if not specified.
219	*/
220	static int rtR3InitProgramPath(const char *pszProgramPath)
221	{
222	/*
223	* We're reserving 32 bytes here for file names as what not.
224	*/
225	if (!pszProgramPath)
226	{
227	int rc = rtProcInitExePath(g_szrtProcExePath, sizeof(g_szrtProcExePath) - 32);
228	if (RT_FAILURE(rc))
229	return rc;
230	}
231	else
232	{
233	size_t cch = strlen(pszProgramPath);
234	Assert(cch > 1);
235	AssertMsgReturn(cch < sizeof(g_szrtProcExePath) - 32, ("%zu\n", cch), VERR_BUFFER_OVERFLOW);
236	memcpy(g_szrtProcExePath, pszProgramPath, cch + 1);
237	}
238
239	/*
240	* Parse the name.
241	*/
242	ssize_t offName;
243	g_cchrtProcExePath = RTPathParseSimple(g_szrtProcExePath, &g_cchrtProcDir, &offName, NULL);
244	g_offrtProcName = offName;
245	return VINF_SUCCESS;
246	}
247
248
249	/**
250	* Internal worker which initializes or re-initializes the
251	* program path, name and directory globals.
252	*
253	* @returns IPRT status code.
254	* @param fFlags Flags, see RTR3INIT_XXX.
255	* @param cArgs Pointer to the argument count.
256	* @param ppapszArgs Pointer to the argument vector pointer. NULL
257	* allowed if @a cArgs is 0.
258	*/
259	static int rtR3InitArgv(uint32_t fFlags, int cArgs, char ***ppapszArgs)
260	{
261	NOREF(fFlags);
262	if (cArgs)
263	{
264	AssertPtr(ppapszArgs);
265	AssertPtr(*ppapszArgs);
266	char *papszOrgArgs = ppapszArgs;
267
268	/*
269	* Normally we should only be asked to convert arguments once. If we
270	* are though, it should be the already convered arguments.
271	*/
272	if (g_crtArgs != -1)
273	{
274	AssertReturn( g_crtArgs == cArgs
275	&& g_papszrtArgs == papszOrgArgs,
276	VERR_WRONG_ORDER); /* only init once! */
277	return VINF_SUCCESS;
278	}
279
280	if (!(fFlags & RTR3INIT_FLAGS_UTF8_ARGV))
281	{
282	/*
283	* Convert the arguments.
284	*/
285	char papszArgs = (char )RTMemAllocZ((cArgs + 1) * sizeof(char *));
286	if (!papszArgs)
287	return VERR_NO_MEMORY;
288
289	#ifdef RT_OS_WINDOWS
290	/* HACK ALERT! Try convert from unicode versions if possible.
291	Unfortunately for us, __wargv is only initialized if we have a
292	unicode main function. So, we have to use CommandLineToArgvW to get
293	something similar. It should do the same conversion... :-) */
294	int cArgsW = -1;
295	PWSTR *papwszArgs = NULL;
296	if ( papszOrgArgs == __argv
297	&& cArgs == __argc
298	&& (papwszArgs = CommandLineToArgvW(GetCommandLineW(), &cArgsW)) != NULL )
299	{
300	AssertMsg(cArgsW == cArgs, ("%d vs %d\n", cArgsW, cArgs));
301	for (int i = 0; i < cArgs; i++)
302	{
303	int rc = RTUtf16ToUtf8(papwszArgs[i], &papszArgs[i]);
304	if (RT_FAILURE(rc))
305	{
306	while (i--)
307	RTStrFree(papszArgs[i]);
308	RTMemFree(papszArgs);
309	LocalFree(papwszArgs);
310	return rc;
311	}
312	}
313	LocalFree(papwszArgs);
314	}
315	else
316	#endif
317	{
318	for (int i = 0; i < cArgs; i++)
319	{
320	int rc = RTStrCurrentCPToUtf8(&papszArgs[i], papszOrgArgs[i]);
321	if (RT_FAILURE(rc))
322	{
323	while (i--)
324	RTStrFree(papszArgs[i]);
325	RTMemFree(papszArgs);
326	return rc;
327	}
328	}
329	}
330
331	papszArgs[cArgs] = NULL;
332
333	g_papszrtOrgArgs = papszOrgArgs;
334	g_papszrtArgs = papszArgs;
335	g_crtArgs = cArgs;
336
337	*ppapszArgs = papszArgs;
338	}
339	else
340	{
341	/*
342	* The arguments are already UTF-8, no conversion needed.
343	*/
344	g_papszrtOrgArgs = papszOrgArgs;
345	g_papszrtArgs = papszOrgArgs;
346	g_crtArgs = cArgs;
347	}
348	}
349
350	return VINF_SUCCESS;
351	}
352
353
354	#ifdef IPRT_USE_SIG_CHILD_DUMMY
355	/**
356	* Dummy SIGCHILD handler.
357	*
358	* Assigned on rtR3Init only when SIGCHILD handler is set SIGIGN or SIGDEF to
359	* ensure waitpid works properly for the terminated processes.
360	*/
361	static void rtR3SigChildHandler(int iSignal)
362	{
363	NOREF(iSignal);
364	}
365	#endif /* IPRT_USE_SIG_CHILD_DUMMY */
366
367
368	/**
369	* rtR3Init worker.
370	*/
371	static int rtR3InitBody(uint32_t fFlags, int cArgs, char **ppapszArgs, const char pszProgramPath)
372	{
373	/*
374	* Early native initialization.
375	*/
376	int rc = rtR3InitNativeFirst(fFlags);
377	AssertMsgRCReturn(rc, ("rtR3InitNativeFirst failed with %Rrc\n", rc), rc);
378
379	/*
380	* Disable error popups.
381	*/
382	#if defined(RT_OS_OS2) /** @todo move to private code. */
383	DosError(FERR_DISABLEHARDERR);
384	#endif
385
386	/*
387	* Init C runtime locale before we do anything that may end up converting
388	* paths or we'll end up using the "C" locale for path conversion.
389	*/
390	setlocale(LC_CTYPE, "");
391
392	/*
393	* The Process ID.
394	*/
395	#ifdef _MSC_VER
396	g_ProcessSelf = _getpid(); /* crappy ansi compiler */
397	#else
398	g_ProcessSelf = getpid();
399	#endif
400
401	/*
402	* Save the init flags.
403	*/
404	g_fInitFlags \|= fFlags;
405
406	#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
407	# ifdef VBOX
408	/*
409	* This MUST be done as the very first thing, before any file is opened.
410	* The log is opened on demand, but the first log entries may be caused
411	* by rtThreadInit() below.
412	*/
413	const char *pszDisableHostCache = getenv("VBOX_DISABLE_HOST_DISK_CACHE");
414	if ( pszDisableHostCache != NULL
415	&& *pszDisableHostCache
416	&& strcmp(pszDisableHostCache, "0") != 0)
417	{
418	RTFileSetForceFlags(RTFILE_O_WRITE, RTFILE_O_WRITE_THROUGH, 0);
419	RTFileSetForceFlags(RTFILE_O_READWRITE, RTFILE_O_WRITE_THROUGH, 0);
420	}
421	# endif /* VBOX */
422	#endif /* !IN_GUEST && !RT_NO_GIP */
423
424	/*
425	* Thread Thread database and adopt the caller thread as 'main'.
426	* This must be done before everything else or else we'll call into threading
427	* without having initialized TLS entries and suchlike.
428	*/
429	rc = rtThreadInit();
430	AssertMsgRCReturn(rc, ("Failed to initialize threads, rc=%Rrc!\n", rc), rc);
431
432	/*
433	* The executable path before SUPLib (windows requirement).
434	*/
435	rc = rtR3InitProgramPath(pszProgramPath);
436	AssertLogRelMsgRCReturn(rc, ("Failed to get executable directory path, rc=%Rrc!\n", rc), rc);
437
438	#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
439	/*
440	* Initialize SUPLib here so the GIP can get going as early as possible
441	* (improves accuracy for the first client).
442	*/
443	if (fFlags & RTR3INIT_FLAGS_SUPLIB)
444	{
445	rc = SUPR3Init(NULL);
446	AssertMsgRCReturn(rc, ("Failed to initializable the support library, rc=%Rrc!\n", rc), rc);
447	}
448	#endif
449
450	/*
451	* Convert arguments.
452	*/
453	rc = rtR3InitArgv(fFlags, cArgs, ppapszArgs);
454	AssertLogRelMsgRCReturn(rc, ("Failed to convert the arguments, rc=%Rrc!\n", rc), rc);
455
456	#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
457	/*
458	* The threading is initialized we can safely sleep a bit if GIP
459	* needs some time to update itself updating.
460	*/
461	if ((fFlags & RTR3INIT_FLAGS_SUPLIB) && g_pSUPGlobalInfoPage)
462	{
463	RTThreadSleep(20);
464	RTTimeNanoTS();
465	}
466	#endif
467
468	/*
469	* Init the program start TSes.
470	* Do that here to be sure that the GIP time was properly updated the 1st time.
471	*/
472	g_u64ProgramStartNanoTS = RTTimeNanoTS();
473	g_u64ProgramStartMicroTS = g_u64ProgramStartNanoTS / 1000;
474	g_u64ProgramStartMilliTS = g_u64ProgramStartNanoTS / 1000000;
475
476	/*
477	* The remainder cannot easily be undone, so it has to go last.
478	*/
479
480	/* Fork and exit callbacks. */
481	#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
482	rc = pthread_atfork(NULL, NULL, rtR3ForkChildCallback);
483	AssertMsg(rc == 0, ("%d\n", rc));
484	#endif
485	atexit(rtR3ExitCallback);
486
487	#ifdef IPRT_USE_SIG_CHILD_DUMMY
488	/*
489	* SIGCHLD must not be ignored (that's default), otherwise posix compliant waitpid
490	* implementations won't work right.
491	*/
492	for (;;)
493	{
494	struct sigaction saOld;
495	rc = sigaction(SIGCHLD, 0, &saOld); AssertMsg(rc == 0, ("%d/%d\n", rc, errno));
496	if ( rc != 0
497	\|\| (saOld.sa_flags & SA_SIGINFO)
498	\|\| ( saOld.sa_handler != SIG_IGN
499	&& saOld.sa_handler != SIG_DFL)
500	)
501	break;
502
503	/* Try install dummy handler. */
504	struct sigaction saNew = saOld;
505	saNew.sa_flags = SA_NOCLDSTOP \| SA_RESTART;
506	saNew.sa_handler = rtR3SigChildHandler;
507	rc = sigemptyset(&saNew.sa_mask); AssertMsg(rc == 0, ("%d/%d\n", rc, errno));
508	struct sigaction saOld2;
509	rc = sigaction(SIGCHLD, &saNew, &saOld2); AssertMsg(rc == 0, ("%d/%d\n", rc, errno));
510	if ( rc != 0
511	\|\| ( saOld2.sa_handler == saOld.sa_handler
512	&& !(saOld2.sa_flags & SA_SIGINFO))
513	)
514	break;
515
516	/* Race during dynamic load, restore and try again... */
517	sigaction(SIGCHLD, &saOld2, NULL);
518	RTThreadYield();
519	}
520	#endif /* IPRT_USE_SIG_CHILD_DUMMY */
521
522	#ifdef IPRT_WITH_ALIGNMENT_CHECKS
523	/*
524	* Enable alignment checks.
525	*/
526	const char *pszAlignmentChecks = getenv("IPRT_ALIGNMENT_CHECKS");
527	g_fRTAlignmentChecks = pszAlignmentChecks != NULL
528	&& pszAlignmentChecks[0] == '1'
529	&& pszAlignmentChecks[1] == '\0';
530	if (g_fRTAlignmentChecks)
531	IPRT_ALIGNMENT_CHECKS_ENABLE();
532	#endif
533
534	/*
535	* Final native initialization.
536	*/
537	rc = rtR3InitNativeFinal(fFlags);
538	AssertMsgRCReturn(rc, ("rtR3InitNativeFinal failed with %Rrc\n", rc), rc);
539
540	return VINF_SUCCESS;
541	}
542
543
544	/**
545	* Internal initialization worker.
546	*
547	* @returns IPRT status code.
548	* @param fFlags Flags, see RTR3INIT_XXX.
549	* @param cArgs Pointer to the argument count.
550	* @param ppapszArgs Pointer to the argument vector pointer. NULL
551	* allowed if @a cArgs is 0.
552	* @param pszProgramPath The program path. Pass NULL if we're to figure it
553	* out ourselves.
554	*/
555	static int rtR3Init(uint32_t fFlags, int cArgs, char **ppapszArgs, const char pszProgramPath)
556	{
557	/* no entry log flow, because prefixes and thread may freak out. */
558	Assert(!(fFlags & ~( RTR3INIT_FLAGS_DLL
559	\| RTR3INIT_FLAGS_SUPLIB
560	\| RTR3INIT_FLAGS_UNOBTRUSIVE
561	\| RTR3INIT_FLAGS_UTF8_ARGV
562	\| RTR3INIT_FLAGS_STANDALONE_APP)));
563	Assert(!(fFlags & RTR3INIT_FLAGS_DLL) \|\| cArgs == 0);
564
565	/*
566	* Do reference counting, only initialize the first time around.
567	*
568	* We are ASSUMING that nobody will be able to race RTR3Init* calls when the
569	* first one, the real init, is running (second assertion).
570	*/
571	int32_t cUsers = ASMAtomicIncS32(&g_cUsers);
572	if (cUsers != 1)
573	{
574	AssertMsg(cUsers > 1, ("%d\n", cUsers));
575	Assert(!g_fInitializing);
576	#if !defined(IN_GUEST) && !defined(RT_NO_GIP)
577	if (fFlags & RTR3INIT_FLAGS_SUPLIB)
578	{
579	SUPR3Init(NULL);
580	g_fInitFlags \|= RTR3INIT_FLAGS_SUPLIB;
581	}
582	#endif
583	g_fInitFlags \|= fFlags & RTR3INIT_FLAGS_UTF8_ARGV;
584
585	if ( !(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE)
586	&& (g_fInitFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
587	{
588	g_fInitFlags &= ~RTR3INIT_FLAGS_UNOBTRUSIVE;
589	g_fInitFlags \|= fFlags & RTR3INIT_FLAGS_STANDALONE_APP;
590	rtR3InitNativeObtrusive(g_fInitFlags \| fFlags);
591	rtThreadReInitObtrusive();
592	}
593	else
594	Assert(!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP) \|\| (g_fInitFlags & RTR3INIT_FLAGS_STANDALONE_APP));
595
596	int rc = VINF_SUCCESS;
597	if (pszProgramPath)
598	rc = rtR3InitProgramPath(pszProgramPath);
599	if (RT_SUCCESS(rc))
600	rc = rtR3InitArgv(fFlags, cArgs, ppapszArgs);
601	return rc;
602	}
603	ASMAtomicWriteBool(&g_fInitializing, true);
604
605	/*
606	* Do the initialization.
607	*/
608	int rc = rtR3InitBody(fFlags, cArgs, ppapszArgs, pszProgramPath);
609	if (RT_FAILURE(rc))
610	{
611	/* failure */
612	ASMAtomicWriteBool(&g_fInitializing, false);
613	ASMAtomicDecS32(&g_cUsers);
614	return rc;
615	}
616
617	/* success */
618	LogFlow(("rtR3Init: returns VINF_SUCCESS\n"));
619	ASMAtomicWriteBool(&g_fInitializing, false);
620	return VINF_SUCCESS;
621	}
622
623
624	RTR3DECL(int) RTR3InitExe(int cArgs, char ***ppapszArgs, uint32_t fFlags)
625	{
626	Assert(!(fFlags & RTR3INIT_FLAGS_DLL));
627	return rtR3Init(fFlags, cArgs, ppapszArgs, NULL);
628	}
629
630
631	RTR3DECL(int) RTR3InitExeNoArguments(uint32_t fFlags)
632	{
633	Assert(!(fFlags & RTR3INIT_FLAGS_DLL));
634	return rtR3Init(fFlags, 0, NULL, NULL);
635	}
636
637
638	RTR3DECL(int) RTR3InitDll(uint32_t fFlags)
639	{
640	Assert(!(fFlags & RTR3INIT_FLAGS_DLL));
641	return rtR3Init(fFlags \| RTR3INIT_FLAGS_DLL, 0, NULL, NULL);
642	}
643
644
645	RTR3DECL(int) RTR3InitEx(uint32_t iVersion, uint32_t fFlags, int cArgs, char **ppapszArgs, const char pszProgramPath)
646	{
647	AssertReturn(iVersion == RTR3INIT_VER_CUR, VERR_NOT_SUPPORTED);
648	return rtR3Init(fFlags, cArgs, ppapszArgs, pszProgramPath);
649	}
650
651
652	RTR3DECL(bool) RTR3InitIsInitialized(void)
653	{
654	return g_cUsers >= 1 && !g_fInitializing;
655	}
656
657
658	RTR3DECL(bool) RTR3InitIsUnobtrusive(void)
659	{
660	return RT_BOOL(g_fInitFlags & RTR3INIT_FLAGS_UNOBTRUSIVE);
661	}
662
663
664	#if 0 /** @todo implement RTR3Term. */
665	RTR3DECL(void) RTR3Term(void)
666	{
667	}
668	#endif
669

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source: vbox/trunk/src/VBox/Runtime/r3/init.cpp@ 62477

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