tstRTPoll.cpp@ 75734

Last change on this file since 75734 was 70483, checked in by vboxsync, 7 years ago
IPRT/socket,poll: Try fix windows polling bug (not fallback) concerning sockets entered more than once into a poll set. The second handle wouldn't get events.
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File size: 25.0 KB

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1	/* $Id: tstRTPoll.cpp 70483 2018-01-07 21:43:45Z vboxsync $ */
2	/** @file
3	* IPRT Testcase - RTPoll.
4	*/
5
6	/*
7	* Copyright (C) 2010-2017 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	#include <iprt/poll.h>
32
33	#include <iprt/err.h>
34	#include <iprt/file.h>
35	#include <iprt/log.h>
36	#include <iprt/mem.h>
37	#include <iprt/pipe.h>
38	#include <iprt/socket.h>
39	#include <iprt/string.h>
40	#include <iprt/tcp.h>
41	#include <iprt/test.h>
42
43
44	/*********************************************************************************************************************************
45	* Global Variables *
46	*********************************************************************************************************************************/
47	/** What we write from the threads in test 3. */
48	static char g_szHello[] = "hello!";
49
50
51	static DECLCALLBACK(int) tstRTPoll3PipeWriteThread(RTTHREAD hSelf, void *pvUser)
52	{
53	RT_NOREF_PV(hSelf);
54	RTPIPE hPipe = (RTPIPE)pvUser;
55	RTThreadSleep(RT_MS_1SEC);
56	return RTPipeWriteBlocking(hPipe, g_szHello, sizeof(g_szHello) - 1, NULL);
57	}
58
59
60	static DECLCALLBACK(int) tstRTPoll3SockWriteThread(RTTHREAD hSelf, void *pvUser)
61	{
62	RT_NOREF_PV(hSelf);
63	RTSOCKET hSocket = (RTSOCKET)pvUser;
64	RTThreadSleep(RT_MS_1SEC);
65	return RTTcpWrite(hSocket, g_szHello, sizeof(g_szHello) - 1);
66	}
67
68
69	static void tstRTPoll3(void)
70	{
71	RTTestISub("Pipe & Sockets");
72
73	/*
74	* Create a set and a pair of pipes and a pair of sockets.
75	*/
76	RTPOLLSET hSet = NIL_RTPOLLSET;
77	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
78	RTTESTI_CHECK_RETV(hSet != NIL_RTPOLLSET);
79
80	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 0);
81	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 0, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
82
83	RTPIPE hPipeR;
84	RTPIPE hPipeW;
85	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0/fFlags/), VINF_SUCCESS);
86
87	RTSOCKET hSocketR;
88	RTSOCKET hSocketW;
89	RTTESTI_CHECK_RC_RETV(RTTcpCreatePair(&hSocketR, &hSocketW, 0/fFlags/), VINF_SUCCESS);
90
91	/*
92	* Add them for error checking. These must be added first if want we their IDs
93	* to show up when disconnecting.
94	*/
95	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_ERROR, 1 /id/), VINF_SUCCESS);
96	RTTESTI_CHECK_RC_RETV(RTPollSetAddSocket(hSet, hSocketR, RTPOLL_EVT_ERROR, 2 /id/), VINF_SUCCESS);
97	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 2);
98
99	/*
100	* Add the read ends. Polling should time out.
101	*/
102	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_READ, 11 /id/), VINF_SUCCESS);
103	RTTESTI_CHECK_RC_RETV(RTPollSetAddSocket(hSet, hSocketR, RTPOLL_EVT_READ, 12 /id/), VINF_SUCCESS);
104
105	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 4);
106
107	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 11 /id/, NULL), VINF_SUCCESS);
108	RTHANDLE Handle;
109	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 11 /id/, &Handle), VINF_SUCCESS);
110	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
111	RTTESTI_CHECK(Handle.u.hPipe == hPipeR);
112
113	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 12 /id/, NULL), VINF_SUCCESS);
114	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 12 /id/, &Handle), VINF_SUCCESS);
115	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_SOCKET);
116	RTTESTI_CHECK(Handle.u.hSocket == hSocketR);
117
118	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
119	RTTESTI_CHECK_RC(RTPoll(hSet, 1, NULL, NULL), VERR_TIMEOUT);
120
121	/*
122	* Add the write ends. Should indicate that the first one is ready for writing.
123	*/
124	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeW, RTPOLL_EVT_WRITE, 21 /id/), VINF_SUCCESS);
125	RTTESTI_CHECK_RC_RETV(RTPollSetAddSocket(hSet, hSocketW, RTPOLL_EVT_WRITE, 22 /id/), VINF_SUCCESS);
126
127	uint32_t idReady = UINT32_MAX;
128	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, &idReady), VINF_SUCCESS);
129	RTTESTI_CHECK(idReady == 21 \|\| idReady == 22);
130
131	/*
132	* Remove the write ends again.
133	*/
134	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 21), VINF_SUCCESS);
135	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 22), VINF_SUCCESS);
136	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
137
138	/*
139	* Kick off a thread that writes to the socket after 1 second.
140	* This will check that we can wait and wake up.
141	*/
142	for (uint32_t i = 0; i < 2; i++)
143	{
144	RTTHREAD hThread;
145	RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstRTPoll3SockWriteThread, hSocketW, 0,
146	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "test3sock"), VINF_SUCCESS);
147
148	uint32_t fEvents = 0;
149	idReady = 0;
150	uint64_t msStart = RTTimeSystemMilliTS();
151	RTTESTI_CHECK_RC(RTPoll(hSet, 5 * RT_MS_1SEC, &fEvents, &idReady), VINF_SUCCESS);
152	uint32_t msElapsed = RTTimeSystemMilliTS() - msStart;
153	RTTESTI_CHECK_MSG(msElapsed >= 250 && msElapsed < 4500, ("msElapsed=%RU64\n", msElapsed));
154	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
155	RTTESTI_CHECK(idReady == 12);
156
157	RTThreadWait(hThread, 5 * RT_MS_1SEC, NULL);
158
159	/* Drain the socket. */
160	char achBuf[128];
161	size_t cbRead = 0;
162	RTTESTI_CHECK_RC(RTTcpReadNB(hSocketR, achBuf, sizeof(achBuf), &cbRead), VINF_SUCCESS);
163	RTTESTI_CHECK(cbRead == sizeof(g_szHello) - 1 && memcmp(achBuf, g_szHello, sizeof(g_szHello) - 1) == 0);
164
165	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
166	RTTESTI_CHECK_RC(RTPoll(hSet, 1, NULL, NULL), VERR_TIMEOUT);
167	}
168
169	/*
170	* Kick off a thread that writes to the pipe after 1 second.
171	* This will check that we can wait and wake up.
172	*/
173	for (uint32_t i = 0; i < 2; i++)
174	{
175	RTTHREAD hThread;
176	RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstRTPoll3PipeWriteThread, hPipeW, 0,
177	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "test3pipe"), VINF_SUCCESS);
178
179	uint32_t fEvents = 0;
180	idReady = 0;
181	uint64_t msStart = RTTimeSystemMilliTS();
182	RTTESTI_CHECK_RC(RTPoll(hSet, 5 * RT_MS_1SEC, &fEvents, &idReady), VINF_SUCCESS);
183	uint32_t msElapsed = RTTimeSystemMilliTS() - msStart;
184	RTTESTI_CHECK_MSG(msElapsed >= 250 && msElapsed < 4500, ("msElapsed=%RU64\n", msElapsed));
185	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
186	RTTESTI_CHECK(idReady == 11);
187
188	RTThreadWait(hThread, 5 * RT_MS_1SEC, NULL);
189
190	/* Drain the socket. */
191	char achBuf[128];
192	size_t cbRead = 0;
193	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, achBuf, sizeof(achBuf), &cbRead), VINF_SUCCESS);
194	RTTESTI_CHECK(cbRead == sizeof(g_szHello) - 1 && memcmp(achBuf, g_szHello, sizeof(g_szHello) - 1) == 0);
195
196	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
197	RTTESTI_CHECK_RC(RTPoll(hSet, 1, NULL, NULL), VERR_TIMEOUT);
198	}
199
200
201	/*
202	* Close the write socket, checking that we get error returns.
203	*/
204	RTSocketShutdown(hSocketW, true, true);
205	RTSocketClose(hSocketW);
206
207	uint32_t fEvents = 0;
208	idReady = 0;
209	RTTESTI_CHECK_RC(RTPoll(hSet, 0, &fEvents, &idReady), VINF_SUCCESS);
210	RTTESTI_CHECK_MSG(idReady == 2 \|\| idReady == 12, ("idReady=%u\n", idReady));
211	RTTESTI_CHECK_MSG(fEvents & RTPOLL_EVT_ERROR, ("fEvents=%#x\n", fEvents));
212
213	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 2), VINF_SUCCESS);
214	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 12), VINF_SUCCESS);
215
216	RTSocketClose(hSocketR);
217
218	/*
219	* Ditto for the pipe end.
220	*/
221	RTPipeClose(hPipeW);
222
223	idReady = fEvents = 0;
224	RTTESTI_CHECK_RC(RTPoll(hSet, 0, &fEvents, &idReady), VINF_SUCCESS);
225	RTTESTI_CHECK_MSG(idReady == 1 \|\| idReady == 11, ("idReady=%u\n", idReady));
226	RTTESTI_CHECK_MSG(fEvents & RTPOLL_EVT_ERROR, ("fEvents=%#x\n", fEvents));
227
228	RTPipeClose(hPipeR);
229
230	RTTESTI_CHECK_RC(RTPollSetDestroy(hSet), VINF_SUCCESS);
231	}
232
233
234	static void tstRTPoll2(void)
235	{
236	RTTestISub("Negative");
237
238	/*
239	* Bad set pointer and handle values.
240	*/
241	RTTESTI_CHECK_RC(RTPollSetCreate(NULL), VERR_INVALID_POINTER);
242	RTPOLLSET hSetInvl = (RTPOLLSET)(intptr_t)-3;
243	RTTESTI_CHECK_RC(RTPollSetDestroy(hSetInvl), VERR_INVALID_HANDLE);
244	RTHANDLE Handle;
245	Handle.enmType = RTHANDLETYPE_PIPE;
246	Handle.u.hPipe = NIL_RTPIPE;
247	RTTESTI_CHECK_RC(RTPollSetAdd(hSetInvl, &Handle, RTPOLL_EVT_ERROR, 1), VERR_INVALID_HANDLE);
248	RTTESTI_CHECK_RC(RTPollSetRemove(hSetInvl, 1), VERR_INVALID_HANDLE);
249	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSetInvl, 1, NULL), VERR_INVALID_HANDLE);
250	RTTESTI_CHECK(RTPollSetGetCount(hSetInvl) == UINT32_MAX);
251	RTTESTI_CHECK_RC(RTPoll(hSetInvl, 0, NULL, NULL), VERR_INVALID_HANDLE);
252	RTTESTI_CHECK_RC(RTPollNoResume(hSetInvl, 0, NULL, NULL), VERR_INVALID_HANDLE);
253
254	/*
255	* Invalid arguments and other stuff.
256	*/
257	RTPOLLSET hSet = NIL_RTPOLLSET;
258	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
259
260	RTTESTI_CHECK_RC(RTPoll(hSet, RT_INDEFINITE_WAIT, NULL, NULL), VERR_DEADLOCK);
261	RTTESTI_CHECK_RC(RTPollNoResume(hSet, RT_INDEFINITE_WAIT, NULL, NULL), VERR_DEADLOCK);
262
263	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, UINT32_MAX), VERR_INVALID_PARAMETER);
264	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
265
266	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 1), VERR_POLL_HANDLE_ID_NOT_FOUND);
267
268	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, NULL, RTPOLL_EVT_ERROR, 1), VINF_SUCCESS);
269	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, &Handle, RTPOLL_EVT_ERROR, UINT32_MAX), VERR_INVALID_PARAMETER);
270	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, &Handle, UINT32_MAX, 3), VERR_INVALID_PARAMETER);
271	Handle.enmType = RTHANDLETYPE_INVALID;
272	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, &Handle, RTPOLL_EVT_ERROR, 3), VERR_INVALID_PARAMETER);
273	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, NULL, RTPOLL_EVT_ERROR, UINT32_MAX), VERR_INVALID_PARAMETER);
274
275	/* duplicate id */
276	RTPIPE hPipeR;
277	RTPIPE hPipeW;
278	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0/fFlags/), VINF_SUCCESS);
279	RTTESTI_CHECK_RC(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_ERROR, 0), VINF_SUCCESS);
280	RTTESTI_CHECK_RC(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_ERROR, 0), VERR_POLL_HANDLE_ID_EXISTS);
281	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 0), VINF_SUCCESS);
282	RTPipeClose(hPipeR);
283	RTPipeClose(hPipeW);
284
285	/* non-pollable handle */
286	RTFILE hBitBucket;
287	RTTESTI_CHECK_RC_RETV(RTFileOpenBitBucket(&hBitBucket, RTFILE_O_WRITE), VINF_SUCCESS);
288	Handle.enmType = RTHANDLETYPE_FILE;
289	Handle.u.hFile = hBitBucket;
290	RTTESTI_CHECK_RC(RTPollSetAdd(hSet, &Handle, RTPOLL_EVT_WRITE, 10), VERR_POLL_HANDLE_NOT_POLLABLE);
291	RTFileClose(hBitBucket);
292
293	RTTESTI_CHECK_RC_RETV(RTPollSetDestroy(hSet), VINF_SUCCESS);
294	}
295
296
297	static void tstRTPoll1(void)
298	{
299	RTTestISub("Basics");
300
301	/* create and destroy. */
302	RTPOLLSET hSet = NIL_RTPOLLSET;
303	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
304	RTTESTI_CHECK_RETV(hSet != NIL_RTPOLLSET);
305	RTTESTI_CHECK_RC(RTPollSetDestroy(hSet), VINF_SUCCESS);
306	RTTESTI_CHECK_RC(RTPollSetDestroy(NIL_RTPOLLSET), VINF_SUCCESS);
307
308	/* empty set, adding a NIL handle. */
309	hSet = NIL_RTPOLLSET;
310	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
311	RTTESTI_CHECK_RETV(hSet != NIL_RTPOLLSET);
312
313	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 0);
314	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 0, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
315
316	RTTESTI_CHECK_RC(RTPollSetAddPipe(hSet, NIL_RTPIPE, RTPOLL_EVT_READ, 1 /id/), VINF_SUCCESS);
317	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 0);
318	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1 /id/, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
319	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 0), VERR_POLL_HANDLE_ID_NOT_FOUND);
320	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 0);
321
322	RTTESTI_CHECK_RC(RTPollSetDestroy(hSet), VINF_SUCCESS);
323
324	/*
325	* Set with pipes
326	*/
327	RTPIPE hPipeR;
328	RTPIPE hPipeW;
329	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0/fFlags/), VINF_SUCCESS);
330
331	hSet = NIL_RTPOLLSET;
332	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
333	RTTESTI_CHECK_RETV(hSet != NIL_RTPOLLSET);
334
335	/* add the read pipe */
336	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_READ, 1 /id/), VINF_SUCCESS);
337	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 1);
338	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1 /id/, NULL), VINF_SUCCESS);
339	RTHANDLE Handle;
340	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 1 /id/, &Handle), VINF_SUCCESS);
341	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
342	RTTESTI_CHECK(Handle.u.hPipe == hPipeR);
343
344	/* poll on the set, should time out. */
345	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
346	RTTESTI_CHECK_RC(RTPoll(hSet, 1, NULL, NULL), VERR_TIMEOUT);
347
348	/* add the write pipe with error detection only, check that poll still times out. remove it again. */
349	RTTESTI_CHECK_RC(RTPollSetAddPipe(hSet, hPipeW, RTPOLL_EVT_ERROR, 11 /id/), VINF_SUCCESS);
350	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 2);
351	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 11 /id/, NULL), VINF_SUCCESS);
352
353	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VERR_TIMEOUT);
354	RTTESTI_CHECK_RC(RTPoll(hSet, 1, NULL, NULL), VERR_TIMEOUT);
355
356	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 11), VINF_SUCCESS);
357	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 1);
358
359	/* add the write pipe */
360	RTTESTI_CHECK_RC(RTPollSetAddPipe(hSet, hPipeW, RTPOLL_EVT_WRITE, 10 /id/), VINF_SUCCESS);
361	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 2);
362	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 10 /id/, NULL), VINF_SUCCESS);
363
364	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 10 /id/, &Handle), VINF_SUCCESS);
365	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
366	RTTESTI_CHECK(Handle.u.hPipe == hPipeW);
367
368	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 1 /id/, &Handle), VINF_SUCCESS);
369	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
370	RTTESTI_CHECK(Handle.u.hPipe == hPipeR);
371
372	/* poll on the set again, now it should indicate hPipeW is ready. */
373	int rc;
374	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VINF_SUCCESS);
375	RTTESTI_CHECK_RC(rc = RTPoll(hSet, 100, NULL, NULL), VINF_SUCCESS);
376	if (RT_SUCCESS(rc))
377	RTTESTI_CHECK_RC(RTPoll(hSet, RT_INDEFINITE_WAIT, NULL, NULL), VINF_SUCCESS);
378
379	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, 0, NULL, NULL), VINF_SUCCESS);
380	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, 100, NULL, NULL), VINF_SUCCESS);
381	if (RT_SUCCESS(rc))
382	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, RT_INDEFINITE_WAIT, NULL, NULL), VINF_SUCCESS);
383
384	uint32_t fEvents = UINT32_MAX;
385	uint32_t id = UINT32_MAX;
386	RTTESTI_CHECK_RC(RTPoll(hSet, 0, &fEvents, &id), VINF_SUCCESS);
387	RTTESTI_CHECK(id == 10);
388	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
389
390	fEvents = UINT32_MAX;
391	id = UINT32_MAX;
392	RTTESTI_CHECK_RC(rc = RTPoll(hSet, 250, &fEvents, &id), VINF_SUCCESS);
393	RTTESTI_CHECK(id == 10);
394	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
395
396	if (RT_SUCCESS(rc))
397	{
398	fEvents = UINT32_MAX;
399	id = UINT32_MAX;
400	RTTESTI_CHECK_RC(RTPoll(hSet, RT_INDEFINITE_WAIT, &fEvents, &id), VINF_SUCCESS);
401	RTTESTI_CHECK(id == 10);
402	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
403	}
404
405	fEvents = UINT32_MAX;
406	id = UINT32_MAX;
407	RTTESTI_CHECK_RC(RTPollNoResume(hSet, 0, &fEvents, &id), VINF_SUCCESS);
408	RTTESTI_CHECK(id == 10);
409	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
410
411	fEvents = UINT32_MAX;
412	id = UINT32_MAX;
413	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, 100, &fEvents, &id), VINF_SUCCESS);
414	RTTESTI_CHECK(id == 10);
415	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
416
417	if (RT_SUCCESS(rc))
418	{
419	fEvents = UINT32_MAX;
420	id = UINT32_MAX;
421	RTTESTI_CHECK_RC(RTPollNoResume(hSet, RT_INDEFINITE_WAIT, &fEvents, &id), VINF_SUCCESS);
422	RTTESTI_CHECK(id == 10);
423	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
424	}
425
426	/* Write to the pipe. Currently ASSUMING we'll get the read ready now... Good idea? */
427	RTTESTI_CHECK_RC(rc = RTPipeWriteBlocking(hPipeW, "hello", 5, NULL), VINF_SUCCESS);
428	if (RT_SUCCESS(rc))
429	{
430	fEvents = UINT32_MAX;
431	id = UINT32_MAX;
432	RTTESTI_CHECK_RC(RTPoll(hSet, 0, &fEvents, &id), VINF_SUCCESS);
433	RTTESTI_CHECK(id == 1);
434	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
435
436	fEvents = UINT32_MAX;
437	id = UINT32_MAX;
438	RTTESTI_CHECK_RC(rc = RTPoll(hSet, 256, &fEvents, &id), VINF_SUCCESS);
439	RTTESTI_CHECK(id == 1);
440	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
441
442	if (RT_SUCCESS(rc))
443	{
444	fEvents = UINT32_MAX;
445	id = UINT32_MAX;
446	RTTESTI_CHECK_RC(RTPoll(hSet, RT_INDEFINITE_WAIT, &fEvents, &id), VINF_SUCCESS);
447	RTTESTI_CHECK(id == 1);
448	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
449	}
450
451	fEvents = UINT32_MAX;
452	id = UINT32_MAX;
453	RTTESTI_CHECK_RC(RTPollNoResume(hSet, 0, &fEvents, &id), VINF_SUCCESS);
454	RTTESTI_CHECK(id == 1);
455	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
456
457	fEvents = UINT32_MAX;
458	id = UINT32_MAX;
459	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, 383, &fEvents, &id), VINF_SUCCESS);
460	RTTESTI_CHECK(id == 1);
461	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
462
463	if (RT_SUCCESS(rc))
464	{
465	fEvents = UINT32_MAX;
466	id = UINT32_MAX;
467	RTTESTI_CHECK_RC(RTPollNoResume(hSet, RT_INDEFINITE_WAIT, &fEvents, &id), VINF_SUCCESS);
468	RTTESTI_CHECK(id == 1);
469	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
470	}
471	}
472
473	/* Remove the read pipe, do a quick poll check. */
474	RTTESTI_CHECK_RC_RETV(RTPollSetRemove(hSet, 1), VINF_SUCCESS);
475	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 1);
476	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1 /id/, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
477	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 10 /id/, &Handle), VINF_SUCCESS);
478	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
479	RTTESTI_CHECK(Handle.u.hPipe == hPipeW);
480
481	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VINF_SUCCESS);
482
483	/* Add it back and check that we now get the write handle when polling.
484	(Is this FIFOing a good idea?) */
485	RTTESTI_CHECK_RC_RETV(RTPoll(hSet, 0, NULL, NULL), VINF_SUCCESS);
486
487	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_READ, 1 /id/), VINF_SUCCESS);
488	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 2);
489	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1 /id/, NULL), VINF_SUCCESS);
490
491	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 1 /id/, &Handle), VINF_SUCCESS);
492	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
493	RTTESTI_CHECK(Handle.u.hPipe == hPipeR);
494
495	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 10 /id/, &Handle), VINF_SUCCESS);
496	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
497	RTTESTI_CHECK(Handle.u.hPipe == hPipeW);
498
499	fEvents = UINT32_MAX;
500	id = UINT32_MAX;
501	RTTESTI_CHECK_RC(rc = RTPollNoResume(hSet, 555, &fEvents, &id), VINF_SUCCESS);
502	RTTESTI_CHECK(id == 10);
503	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
504
505	/* Remove it again and break the pipe by closing the read end. */
506	RTTESTI_CHECK_RC_RETV(RTPollSetRemove(hSet, 1), VINF_SUCCESS);
507	RTTESTI_CHECK_RETV(RTPollSetGetCount(hSet) == 1);
508	RTTESTI_CHECK_RC(RTPollSetQueryHandle(hSet, 1 /id/, NULL), VERR_POLL_HANDLE_ID_NOT_FOUND);
509	RTTESTI_CHECK_RC_RETV(RTPollSetQueryHandle(hSet, 10 /id/, &Handle), VINF_SUCCESS);
510	RTTESTI_CHECK(Handle.enmType == RTHANDLETYPE_PIPE);
511	RTTESTI_CHECK(Handle.u.hPipe == hPipeW);
512
513	RTTESTI_CHECK_RC(RTPoll(hSet, 0, NULL, NULL), VINF_SUCCESS);
514
515	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
516
517	fEvents = UINT32_MAX;
518	id = UINT32_MAX;
519	RTTESTI_CHECK_RC(RTPollNoResume(hSet, 0, &fEvents, &id), VINF_SUCCESS);
520	RTTESTI_CHECK(id == 10);
521	RTTESTI_CHECK_MSG( fEvents == RTPOLL_EVT_ERROR \
522	\|\| fEvents == (RTPOLL_EVT_ERROR \| RTPOLL_EVT_WRITE), ("%#x\n", fEvents));
523
524	RTTESTI_CHECK_RC(RTPollSetDestroy(hSet), VINF_SUCCESS);
525	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
526
527	/*
528	* Check FIFO order when removing and adding.
529	*
530	* Note! FIFO order is not guaranteed when a handle has more than one entry
531	* in the set.
532	*/
533	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0/fFlags/), VINF_SUCCESS);
534	RTPIPE hPipeR2, hPipeW2;
535	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR2, &hPipeW2, 0/fFlags/), VINF_SUCCESS);
536	RTPIPE hPipeR3, hPipeW3;
537	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR3, &hPipeW3, 0/fFlags/), VINF_SUCCESS);
538	RTTESTI_CHECK_RC_RETV(RTPollSetCreate(&hSet), VINF_SUCCESS);
539	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR, RTPOLL_EVT_READ, 1 /id/), VINF_SUCCESS);
540	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeW, RTPOLL_EVT_WRITE, 2 /id/), VINF_SUCCESS);
541	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR2, RTPOLL_EVT_READ, 3 /id/), VINF_SUCCESS);
542	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeW2, RTPOLL_EVT_WRITE, 4 /id/), VINF_SUCCESS);
543	RTTESTI_CHECK_RC_RETV(RTPollSetAddPipe(hSet, hPipeR3, RTPOLL_EVT_READ, 5 /id/), VINF_SUCCESS);
544
545	id = UINT32_MAX; fEvents = UINT32_MAX;
546	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
547	RTTESTI_CHECK(id == 2);
548	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
549
550	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeW, "hello", 5, NULL), VINF_SUCCESS);
551	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeW2, "hello", 5, NULL), VINF_SUCCESS);
552	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeW3, "hello", 5, NULL), VINF_SUCCESS);
553	id = UINT32_MAX; fEvents = UINT32_MAX;
554	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
555	RTTESTI_CHECK(id == 1);
556	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
557
558	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 1), VINF_SUCCESS);
559	id = UINT32_MAX; fEvents = UINT32_MAX;
560	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
561	RTTESTI_CHECK(id == 2);
562	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
563
564	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 2), VINF_SUCCESS);
565	id = UINT32_MAX; fEvents = UINT32_MAX;
566	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
567	RTTESTI_CHECK(id == 3);
568	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
569
570	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 3), VINF_SUCCESS);
571	id = UINT32_MAX; fEvents = UINT32_MAX;
572	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
573	RTTESTI_CHECK(id == 4);
574	RTTESTI_CHECK(fEvents == RTPOLL_EVT_WRITE);
575
576	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 4), VINF_SUCCESS);
577	id = UINT32_MAX; fEvents = UINT32_MAX;
578	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VINF_SUCCESS);
579	RTTESTI_CHECK(id == 5);
580	RTTESTI_CHECK(fEvents == RTPOLL_EVT_READ);
581
582	RTTESTI_CHECK_RC(RTPollSetRemove(hSet, 5), VINF_SUCCESS);
583	id = UINT32_MAX; fEvents = UINT32_MAX;
584	RTTESTI_CHECK_RC(RTPoll(hSet, 5, &fEvents, &id), VERR_TIMEOUT);
585
586	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
587	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
588	RTTESTI_CHECK_RC(RTPipeClose(hPipeW2), VINF_SUCCESS);
589	RTTESTI_CHECK_RC(RTPipeClose(hPipeR2), VINF_SUCCESS);
590	RTTESTI_CHECK_RC(RTPipeClose(hPipeW3), VINF_SUCCESS);
591	RTTESTI_CHECK_RC(RTPipeClose(hPipeR3), VINF_SUCCESS);
592	RTTESTI_CHECK_RC(RTPollSetDestroy(hSet), VINF_SUCCESS);
593
594	}
595
596	int main()
597	{
598	RTTEST hTest;
599	int rc = RTTestInitAndCreate("tstRTPoll", &hTest);
600	if (rc)
601	return rc;
602	RTTestBanner(hTest);
603
604	/*
605	* The tests.
606	*/
607	tstRTPoll1();
608	if (RTTestErrorCount(hTest) == 0)
609	{
610	bool fMayPanic = RTAssertMayPanic();
611	bool fQuiet = RTAssertAreQuiet();
612	RTAssertSetMayPanic(false);
613	RTAssertSetQuiet(true);
614	tstRTPoll2();
615	RTAssertSetQuiet(fQuiet);
616	RTAssertSetMayPanic(fMayPanic);
617
618	tstRTPoll3();
619	}
620
621	/*
622	* Summary.
623	*/
624	return RTTestSummaryAndDestroy(hTest);
625	}
626

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTPoll.cpp@ 75734

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