VBoxSharedClipboardSvc-x11.cpp@ 78396

Last change on this file since 78396 was 78317, checked in by vboxsync, 6 years ago
Shared Clipboard/URI: Renaming (VBOX_SHARED_CLIPBOARD_HOST_MSG_FORMATS -> VBOX_SHARED_CLIPBOARD_HOST_MSG_REPORT_FORMATS).
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1	/* $Id: VBoxSharedClipboardSvc-x11.cpp 78317 2019-04-26 09:44:48Z vboxsync $ */
2	/** @file
3	* Shared Clipboard Service - Linux host.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_SHARED_CLIPBOARD
23	#include <iprt/assert.h>
24	#include <iprt/critsect.h>
25	#include <iprt/env.h>
26	#include <iprt/mem.h>
27	#include <iprt/semaphore.h>
28	#include <iprt/string.h>
29
30	#include <VBox/GuestHost/SharedClipboard.h>
31	#include <VBox/HostServices/VBoxClipboardSvc.h>
32	#include <VBox/err.h>
33
34	#include "VBoxClipboard.h"
35
36
37	/*********************************************************************************************************************************
38	* Structures and Typedefs *
39	*********************************************************************************************************************************/
40	struct _VBOXCLIPBOARDREQFROMVBOX;
41	typedef struct _VBOXCLIPBOARDREQFROMVBOX VBOXCLIPBOARDREQFROMVBOX;
42
43	/** Global context information used by the host glue for the X11 clipboard
44	* backend */
45	struct _VBOXCLIPBOARDCONTEXT
46	{
47	/** This mutex is grabbed during any critical operations on the clipboard
48	* which might clash with others. */
49	RTCRITSECT clipboardMutex;
50	/** The currently pending request for data from VBox. NULL if there is
51	* no request pending. The protocol for completing a request is to grab
52	* the critical section, check that @a pReq is not NULL, fill in the data
53	* fields and set @a pReq to NULL. The protocol for cancelling a pending
54	* request is to grab the critical section and set pReq to NULL.
55	* It is an error if a request arrives while another one is pending, and
56	* the backend is responsible for ensuring that this does not happen. */
57	VBOXCLIPBOARDREQFROMVBOX *pReq;
58	/** Pointer to the opaque X11 backend structure */
59	CLIPBACKEND *pBackend;
60	/** Pointer to the VBox host client data structure. */
61	VBOXCLIPBOARDCLIENTDATA *pClient;
62	/** We set this when we start shutting down as a hint not to post any new
63	* requests. */
64	bool fShuttingDown;
65	};
66
67
68
69	/**
70	* Report formats available in the X11 clipboard to VBox.
71	* @param pCtx Opaque context pointer for the glue code
72	* @param u32Formats The formats available
73	* @note Host glue code
74	*/
75	void ClipReportX11Formats(VBOXCLIPBOARDCONTEXT *pCtx, uint32_t u32Formats)
76	{
77	LogRelFlowFunc(("called. pCtx=%p, u32Formats=%02X\n", pCtx, u32Formats));
78	vboxSvcClipboardReportMsg(pCtx->pClient,
79	VBOX_SHARED_CLIPBOARD_HOST_MSG_REPORT_FORMATS,
80	u32Formats);
81	}
82
83	/**
84	* Initialise the host side of the shared clipboard.
85	* @note Host glue code
86	*/
87	int vboxClipboardInit(void)
88	{
89	return VINF_SUCCESS;
90	}
91
92	/**
93	* Terminate the host side of the shared clipboard.
94	* @note host glue code
95	*/
96	void vboxClipboardDestroy(void)
97	{
98
99	}
100
101	/**
102	* Connect a guest to the shared clipboard.
103	* @note host glue code
104	* @note on the host, we assume that some other application already owns
105	* the clipboard and leave ownership to X11.
106	*/
107	int vboxClipboardConnect(VBOXCLIPBOARDCLIENTDATA *pClient, bool fHeadless)
108	{
109	int rc = VINF_SUCCESS;
110	CLIPBACKEND *pBackend = NULL;
111
112	LogRel(("Starting host clipboard service\n"));
113	VBOXCLIPBOARDCONTEXT pCtx = (VBOXCLIPBOARDCONTEXT )RTMemAllocZ(sizeof(VBOXCLIPBOARDCONTEXT));
114	if (!pCtx)
115	rc = VERR_NO_MEMORY;
116	else
117	{
118	RTCritSectInit(&pCtx->clipboardMutex);
119	pBackend = ClipConstructX11(pCtx, fHeadless);
120	if (pBackend == NULL)
121	rc = VERR_NO_MEMORY;
122	else
123	{
124	pCtx->pBackend = pBackend;
125	pClient->pCtx = pCtx;
126	pCtx->pClient = pClient;
127	rc = ClipStartX11(pBackend, true /* grab shared clipboard */);
128	}
129	if (RT_FAILURE(rc))
130	RTCritSectDelete(&pCtx->clipboardMutex);
131	}
132	if (RT_FAILURE(rc))
133	{
134	RTMemFree(pCtx);
135	LogRel(("Failed to initialise the shared clipboard\n"));
136	}
137	LogRelFlowFunc(("returning %Rrc\n", rc));
138	return rc;
139	}
140
141	/**
142	* Synchronise the contents of the host clipboard with the guest, called
143	* after a save and restore of the guest.
144	* @note Host glue code
145	*/
146	int vboxClipboardSync(VBOXCLIPBOARDCLIENTDATA *pClient)
147	{
148	/* Tell the guest we have no data in case X11 is not available. If
149	* there is data in the host clipboard it will automatically be sent to
150	* the guest when the clipboard starts up. */
151	vboxSvcClipboardReportMsg(pClient, VBOX_SHARED_CLIPBOARD_HOST_MSG_REPORT_FORMATS, 0);
152	/** @todo r=andy Check rc code. */
153	return VINF_SUCCESS;
154	}
155
156	/**
157	* Shut down the shared clipboard service and "disconnect" the guest.
158	* @note Host glue code
159	*/
160	void vboxClipboardDisconnect(VBOXCLIPBOARDCLIENTDATA *pClient)
161	{
162	LogRelFlow(("vboxClipboardDisconnect\n"));
163
164	LogRel(("Stopping the host clipboard service\n"));
165	VBOXCLIPBOARDCONTEXT *pCtx = pClient->pCtx;
166	/* Drop the reference to the client, in case it is still there. This
167	* will cause any outstanding clipboard data requests from X11 to fail
168	* immediately. */
169	pCtx->fShuttingDown = true;
170	/* If there is a currently pending request, release it immediately. */
171	vboxClipboardWriteData(pClient, NULL, 0, 0);
172	int rc = ClipStopX11(pCtx->pBackend);
173	/** @todo handle this slightly more reasonably, or be really sure
174	* it won't go wrong. */
175	AssertRC(rc);
176	if (RT_SUCCESS(rc)) /* And if not? */
177	{
178	ClipDestructX11(pCtx->pBackend);
179	RTCritSectDelete(&pCtx->clipboardMutex);
180	RTMemFree(pCtx);
181	}
182	}
183
184	/**
185	* VBox is taking possession of the shared clipboard.
186	*
187	* @param pClient Context data for the guest system
188	* @param u32Formats Clipboard formats the guest is offering
189	* @note Host glue code
190	*/
191	void vboxClipboardFormatAnnounce(VBOXCLIPBOARDCLIENTDATA *pClient, uint32_t u32Formats)
192	{
193	LogRelFlowFunc(("called. pClient=%p, u32Formats=%02X\n", pClient, u32Formats));
194
195	ClipAnnounceFormatToX11(pClient->pCtx->pBackend, u32Formats);
196	}
197
198	/** Structure describing a request for clipoard data from the guest. */
199	struct _CLIPREADCBREQ
200	{
201	/** Where to write the returned data to. */
202	void *pv;
203	/** The size of the buffer in pv */
204	uint32_t cb;
205	/** The actual size of the data written */
206	uint32_t *pcbActual;
207	};
208
209	/**
210	* Called when VBox wants to read the X11 clipboard.
211	*
212	* @returns VINF_SUCCESS on successful completion
213	* @returns VINF_HGCM_ASYNC_EXECUTE if the operation will complete
214	* asynchronously
215	* @returns iprt status code on failure
216	* @param pClient Context information about the guest VM
217	* @param u32Format The format that the guest would like to receive the data in
218	* @param pv Where to write the data to
219	* @param cb The size of the buffer to write the data to
220	* @param pcbActual Where to write the actual size of the written data
221	* @note We always fail or complete asynchronously
222	* @note On success allocates a CLIPREADCBREQ structure which must be
223	* freed in ClipCompleteDataRequestFromX11 when it is called back from
224	* the backend code.
225	*
226	*/
227	int vboxClipboardReadData(VBOXCLIPBOARDCLIENTDATA *pClient,
228	uint32_t u32Format, void *pv, uint32_t cb,
229	uint32_t *pcbActual)
230	{
231	LogRelFlowFunc(("pClient=%p, u32Format=%02X, pv=%p, cb=%u, pcbActual=%p",
232	pClient, u32Format, pv, cb, pcbActual));
233
234	int rc = VINF_SUCCESS;
235	CLIPREADCBREQ pReq = (CLIPREADCBREQ )RTMemAlloc(sizeof(CLIPREADCBREQ));
236	if (!pReq)
237	rc = VERR_NO_MEMORY;
238	else
239	{
240	pReq->pv = pv;
241	pReq->cb = cb;
242	pReq->pcbActual = pcbActual;
243	rc = ClipRequestDataFromX11(pClient->pCtx->pBackend, u32Format, pReq);
244	if (RT_SUCCESS(rc))
245	rc = VINF_HGCM_ASYNC_EXECUTE;
246	}
247	LogRelFlowFunc(("returning %Rrc\n", rc));
248	return rc;
249	}
250
251	/**
252	* Complete a request from VBox for the X11 clipboard data. The data should
253	* be written to the buffer provided in the initial request.
254	* @param pCtx request context information
255	* @param rc the completion status of the request
256	* @param pReq request
257	* @param pv address
258	* @param cb size
259	*
260	* @todo change this to deal with the buffer issues rather than offloading
261	* them onto the caller
262	*/
263	void ClipCompleteDataRequestFromX11(VBOXCLIPBOARDCONTEXT *pCtx, int rc,
264	CLIPREADCBREQ pReq, void pv, uint32_t cb)
265	{
266	if (cb <= pReq->cb && cb != 0)
267	memcpy(pReq->pv, pv, cb);
268
269	RTMemFree(pReq);
270
271	vboxSvcClipboardCompleteReadData(pCtx->pClient, rc, cb);
272	}
273
274	/** A request for clipboard data from VBox */
275	struct _VBOXCLIPBOARDREQFROMVBOX
276	{
277	/** Data received */
278	void *pv;
279	/** The size of the data */
280	uint32_t cb;
281	/** Format of the data */
282	uint32_t format;
283	/** A semaphore for waiting for the data */
284	RTSEMEVENT finished;
285	};
286
287	/** Wait for clipboard data requested from VBox to arrive. */
288	static int clipWaitForDataFromVBox(VBOXCLIPBOARDCONTEXT *pCtx,
289	VBOXCLIPBOARDREQFROMVBOX *pReq,
290	uint32_t u32Format)
291	{
292	int rc = VINF_SUCCESS;
293
294	LogRelFlowFunc(("pCtx=%p, pReq=%p, u32Format=%02X\n", pCtx, pReq, u32Format));
295
296	/* Request data from VBox */
297	vboxSvcClipboardReportMsg(pCtx->pClient,
298	VBOX_SHARED_CLIPBOARD_HOST_MSG_READ_DATA,
299	u32Format);
300	/* Which will signal us when it is ready. We use a timeout here
301	* because we can't be sure that the guest will behave correctly.
302	*/
303	rc = RTSemEventWait(pReq->finished, CLIPBOARD_TIMEOUT);
304	/* If the request hasn't yet completed then we cancel it. We use
305	* the critical section to prevent these operations colliding. */
306	RTCritSectEnter(&pCtx->clipboardMutex);
307	/* The data may have arrived between the semaphore timing out and
308	* our grabbing the mutex. */
309	if (rc == VERR_TIMEOUT && pReq->pv != NULL)
310	rc = VINF_SUCCESS;
311	if (pCtx->pReq == pReq)
312	pCtx->pReq = NULL;
313	Assert(pCtx->pReq == NULL);
314	RTCritSectLeave(&pCtx->clipboardMutex);
315	if (RT_SUCCESS(rc) && (pReq->pv == NULL))
316	rc = VERR_NO_DATA;
317	LogRelFlowFunc(("returning %Rrc\n", rc));
318	return rc;
319	}
320
321	/** Post a request for clipboard data to VBox/the guest and wait for it to be
322	* completed. */
323	static int clipRequestDataFromVBox(VBOXCLIPBOARDCONTEXT pCtx, VBOXCLIPBOARDREQFROMVBOX pReq, uint32_t u32Format)
324	{
325	int rc = VINF_SUCCESS;
326
327	LogRelFlowFunc(("pCtx=%p, pReq=%p, u32Format=%02X\n", pCtx, pReq, u32Format));
328
329	/* Start by "posting" the request for the next invocation of
330	* vboxClipboardWriteData. */
331	RTCritSectEnter(&pCtx->clipboardMutex);
332	if (pCtx->pReq != NULL)
333	{
334	/* This would be a violation of the protocol, see the comments in the
335	* context structure definition. */
336	Assert(false);
337	rc = VERR_WRONG_ORDER;
338	}
339	else
340	pCtx->pReq = pReq;
341	RTCritSectLeave(&pCtx->clipboardMutex);
342	if (RT_SUCCESS(rc))
343	rc = clipWaitForDataFromVBox(pCtx, pReq, u32Format);
344	LogRelFlowFunc(("returning %Rrc\n", rc));
345	return rc;
346	}
347
348	/**
349	* Send a request to VBox to transfer the contents of its clipboard to X11.
350	*
351	* @param pCtx Pointer to the host clipboard structure
352	* @param u32Format The format in which the data should be transferred
353	* @param ppv On success and if pcb > 0, this will point to a buffer
354	* to be freed with RTMemFree containing the data read.
355	* @param pcb On success, this contains the number of bytes of data
356	* returned
357	* @note Host glue code.
358	*/
359	int ClipRequestDataForX11(VBOXCLIPBOARDCONTEXT pCtx, uint32_t u32Format, void ppv, uint32_t pcb)
360	{
361	VBOXCLIPBOARDREQFROMVBOX request = { NULL, 0, 0, NIL_RTSEMEVENT };
362
363	LogRelFlowFunc(("pCtx=%p, u32Format=%02X, ppv=%p, pcb=%p\n", pCtx, u32Format, ppv, pcb));
364
365	if (pCtx->fShuttingDown)
366	{
367	/* The shared clipboard is disconnecting. */
368	LogRelFunc(("host requested guest clipboard data after guest had disconnected.\n"));
369	return VERR_WRONG_ORDER;
370	}
371	int rc = RTSemEventCreate(&request.finished);
372	if (RT_SUCCESS(rc))
373	{
374	rc = clipRequestDataFromVBox(pCtx, &request, u32Format);
375	RTSemEventDestroy(request.finished);
376	}
377
378	if (RT_SUCCESS(rc))
379	{
380	*ppv = request.pv;
381	*pcb = request.cb;
382	}
383
384	LogRelFlowFunc(("returning %Rrc\n", rc));
385
386	if (RT_SUCCESS(rc))
387	LogRelFlowFunc(("ppv=%.ls, pcb=%u\n",pcb / 2,ppv,pcb));
388
389	return rc;
390	}
391
392	/**
393	* Called when we have requested data from VBox and that data has arrived.
394	*
395	* @param pClient Context information about the guest VM
396	* @param pv Buffer to which the data was written
397	* @param cb The size of the data written
398	* @param u32Format The format of the data written
399	* @note Host glue code
400	*/
401	void vboxClipboardWriteData(VBOXCLIPBOARDCLIENTDATA *pClient,
402	void *pv, uint32_t cb, uint32_t u32Format)
403	{
404	LogRelFlowFunc(("called. pClient=%p, pv=%p (%.*ls), cb=%u, u32Format=%02X\n",
405	pClient, pv, cb / 2, pv, cb, u32Format));
406
407	VBOXCLIPBOARDCONTEXT *pCtx = pClient->pCtx;
408
409	/* Grab the mutex and check whether there is a pending request for data. */
410	RTCritSectEnter(&pCtx->clipboardMutex);
411
412	VBOXCLIPBOARDREQFROMVBOX *pReq = pCtx->pReq;
413	if (pReq != NULL)
414	{
415	if (cb > 0)
416	{
417	pReq->pv = RTMemDup(pv, cb);
418	if (pReq->pv != NULL) /* NULL may also mean no memory... */
419	{
420	pReq->cb = cb;
421	pReq->format = u32Format;
422	}
423	}
424	/* Signal that the request has been completed. */
425	RTSemEventSignal(pReq->finished);
426	pCtx->pReq = NULL;
427	}
428
429	RTCritSectLeave(&pCtx->clipboardMutex);
430	}
431
432	#ifdef TESTCASE
433	# include <iprt/initterm.h>
434	# include <iprt/stream.h>
435
436	# define TEST_NAME "tstClipboardX11-2"
437
438	struct _CLIPBACKEND
439	{
440	uint32_t formats;
441	struct _READDATA
442	{
443	uint32_t format;
444	int rc;
445	CLIPREADCBREQ *pReq;
446	} readData;
447	struct _COMPLETEREAD
448	{
449	int rc;
450	uint32_t cbActual;
451	} completeRead;
452	struct _WRITEDATA
453	{
454	void *pv;
455	uint32_t cb;
456	uint32_t format;
457	bool timeout;
458	} writeData;
459	struct _REPORTDATA
460	{
461	uint32_t format;
462	} reportData;
463	};
464
465	void vboxSvcClipboardReportMsg(VBOXCLIPBOARDCLIENTDATA *pClient, uint32_t u32Msg, uint32_t u32Formats)
466	{
467	RT_NOREF(u32Formats);
468	CLIPBACKEND *pBackend = pClient->pCtx->pBackend;
469
470	if ((u32Msg == VBOX_SHARED_CLIPBOARD_HOST_MSG_READ_DATA)
471	&& !pBackend->writeData.timeout)
472	vboxClipboardWriteData(pClient, pBackend->writeData.pv,
473	pBackend->writeData.cb,
474	pBackend->writeData.format);
475	else
476	return;
477	}
478
479	void vboxSvcClipboardCompleteReadData(VBOXCLIPBOARDCLIENTDATA *pClient, int rc, uint32_t cbActual)
480	{
481	CLIPBACKEND *pBackend = pClient->pCtx->pBackend;
482	pBackend->completeRead.rc = rc;
483	pBackend->completeRead.cbActual = cbActual;
484	}
485
486	CLIPBACKEND* ClipConstructX11(VBOXCLIPBOARDCONTEXT *pFrontend, bool)
487	{
488	RT_NOREF(pFrontend);
489	return (CLIPBACKEND *)RTMemAllocZ(sizeof(CLIPBACKEND));
490	}
491
492	void ClipDestructX11(CLIPBACKEND *pBackend)
493	{
494	RTMemFree(pBackend);
495	}
496
497	int ClipStartX11(CLIPBACKEND *pBackend, bool)
498	{
499	RT_NOREF(pBackend);
500	return VINF_SUCCESS;
501	}
502
503	int ClipStopX11(CLIPBACKEND *pBackend)
504	{
505	RT_NOREF1(pBackend);
506	return VINF_SUCCESS;
507	}
508
509	void ClipAnnounceFormatToX11(CLIPBACKEND *pBackend, uint32_t u32Formats)
510	{
511	pBackend->formats = u32Formats;
512	}
513
514	extern int ClipRequestDataFromX11(CLIPBACKEND *pBackend, uint32_t u32Format,
515	CLIPREADCBREQ *pReq)
516	{
517	pBackend->readData.format = u32Format;
518	pBackend->readData.pReq = pReq;
519	return pBackend->readData.rc;
520	}
521
522	int main()
523	{
524	VBOXCLIPBOARDCLIENTDATA client;
525	unsigned cErrors = 0;
526	int rc = RTR3InitExeNoArguments(0);
527	RTPrintf(TEST_NAME ": TESTING\n");
528	AssertRCReturn(rc, 1);
529	rc = vboxClipboardConnect(&client, false);
530	CLIPBACKEND *pBackend = client.pCtx->pBackend;
531	AssertRCReturn(rc, 1);
532	vboxClipboardFormatAnnounce(&client,
533	VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT);
534	if (pBackend->formats != VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
535	{
536	RTPrintf(TEST_NAME ": vboxClipboardFormatAnnounce failed with VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT\n");
537	++cErrors;
538	}
539	pBackend->readData.rc = VINF_SUCCESS;
540	client.asyncRead.callHandle = (VBOXHGCMCALLHANDLE)pBackend;
541	client.asyncRead.paParms = (VBOXHGCMSVCPARM *)&client;
542	uint32_t u32Dummy;
543	rc = vboxClipboardReadData(&client, VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT,
544	&u32Dummy, 42, &u32Dummy);
545	if (rc != VINF_HGCM_ASYNC_EXECUTE)
546	{
547	RTPrintf(TEST_NAME ": vboxClipboardReadData returned %Rrc\n", rc);
548	++cErrors;
549	}
550	else
551	{
552	if ( pBackend->readData.format != VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT
553	\|\| pBackend->readData.pReq->pv != &u32Dummy
554	\|\| pBackend->readData.pReq->cb != 42
555	\|\| pBackend->readData.pReq->pcbActual != &u32Dummy)
556	{
557	RTPrintf(TEST_NAME ": format=%u, pReq->pv=%p, pReq->cb=%u, pReq->pcbActual=%p\n",
558	pBackend->readData.format, pBackend->readData.pReq->pv,
559	pBackend->readData.pReq->cb,
560	pBackend->readData.pReq->pcbActual);
561	++cErrors;
562	}
563	else
564	{
565	ClipCompleteDataRequestFromX11(client.pCtx, VERR_NO_DATA,
566	pBackend->readData.pReq, NULL, 43);
567	if ( pBackend->completeRead.rc != VERR_NO_DATA
568	\|\| pBackend->completeRead.cbActual != 43)
569	{
570	RTPrintf(TEST_NAME ": rc=%Rrc, cbActual=%u\n",
571	pBackend->completeRead.rc,
572	pBackend->completeRead.cbActual);
573	++cErrors;
574	}
575	}
576	}
577	void *pv;
578	uint32_t cb;
579	pBackend->writeData.pv = (void *)"testing";
580	pBackend->writeData.cb = sizeof("testing");
581	pBackend->writeData.format = 1234;
582	pBackend->reportData.format = 4321; /* XX this should be handled! */
583	rc = ClipRequestDataForX11(client.pCtx, 23, &pv, &cb);
584	if ( rc != VINF_SUCCESS
585	\|\| strcmp((const char *)pv, "testing") != 0
586	\|\| cb != sizeof("testing"))
587	{
588	RTPrintf("rc=%Rrc, pv=%p, cb=%u\n", rc, pv, cb);
589	++cErrors;
590	}
591	else
592	RTMemFree(pv);
593	pBackend->writeData.timeout = true;
594	rc = ClipRequestDataForX11(client.pCtx, 23, &pv, &cb);
595	if (rc != VERR_TIMEOUT)
596	{
597	RTPrintf("rc=%Rrc, expected VERR_TIMEOUT\n", rc);
598	++cErrors;
599	}
600	pBackend->writeData.pv = NULL;
601	pBackend->writeData.cb = 0;
602	pBackend->writeData.timeout = false;
603	rc = ClipRequestDataForX11(client.pCtx, 23, &pv, &cb);
604	if (rc != VERR_NO_DATA)
605	{
606	RTPrintf("rc=%Rrc, expected VERR_NO_DATA\n", rc);
607	++cErrors;
608	}
609	/* Data arriving after a timeout should not cause any segfaults or
610	* memory leaks. Check with Valgrind! */
611	vboxClipboardWriteData(&client, (void *)"tested", sizeof("tested"), 999);
612	vboxClipboardDisconnect(&client);
613	if (cErrors > 0)
614	RTPrintf(TEST_NAME ": errors: %u\n", cErrors);
615	return cErrors > 0 ? 1 : 0;
616	}
617	#endif /* TESTCASE */
618

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source: vbox/trunk/src/VBox/HostServices/SharedClipboard/VBoxSharedClipboardSvc-x11.cpp@ 78396

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