WebSVN – HelenOS-historic – Diff – /kernel/trunk/test/synch/rwlock1/test.c


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <test.h>
#include <arch.h>
#include <atomic.h>
#include <print.h>
#include <proc/thread.h>
 
#include <synch/waitq.h>
#include <synch/rwlock.h>
 
#define READERS     50
#define WRITERS     50
 
static rwlock_t rwlock;
 
void test(void)
{
    printf("Read/write locks test #1\n");
 
    rwlock_initialize(&rwlock);
 
    rwlock_write_lock(&rwlock);
    rwlock_write_unlock(&rwlock);  
 
    rwlock_read_lock(&rwlock);
    rwlock_read_lock(&rwlock); 
    rwlock_read_lock(&rwlock);
    rwlock_read_lock(&rwlock);
    rwlock_read_lock(&rwlock);
 
    rwlock_read_unlock(&rwlock);
    rwlock_read_unlock(&rwlock);   
    rwlock_read_unlock(&rwlock);
    rwlock_read_unlock(&rwlock);
    rwlock_read_unlock(&rwlock);
   
   
    rwlock_write_lock(&rwlock);
    rwlock_write_unlock(&rwlock);  
 
    rwlock_read_lock(&rwlock);
    rwlock_read_unlock(&rwlock);
 
    rwlock_write_lock(&rwlock);
    rwlock_write_unlock(&rwlock);  
 
    rwlock_read_lock(&rwlock);
    rwlock_read_unlock(&rwlock);
 
    printf("Test passed.\n");
}
 

Rev 534	Rev 1104
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#include <test.h>	29	#include <test.h>
30	#include <arch.h>	30	#include <arch.h>
31	#include <arch/atomic.h>	31	#include <atomic.h>
32	#include <print.h>	32	#include <print.h>
33	#include <proc/thread.h>	33	#include <proc/thread.h>
34		34
35	#include <synch/waitq.h>	35	#include <synch/waitq.h>
36	#include <synch/rwlock.h>	36	#include <synch/rwlock.h>
37		37
38	#define READERS 50	38	#define READERS 50
39	#define WRITERS 50	39	#define WRITERS 50
40		40
41	static rwlock_t rwlock;	41	static rwlock_t rwlock;
42		42
43	void test(void)	43	void test(void)
44	{	44	{
45	printf("Read/write locks test #1\n");	45	printf("Read/write locks test #1\n");
46		46
47	rwlock_initialize(&rwlock);	47	rwlock_initialize(&rwlock);
48		48
49	rwlock_write_lock(&rwlock);	49	rwlock_write_lock(&rwlock);
50	rwlock_write_unlock(&rwlock);	50	rwlock_write_unlock(&rwlock);
51		51
52	rwlock_read_lock(&rwlock);	52	rwlock_read_lock(&rwlock);
53	rwlock_read_lock(&rwlock);	53	rwlock_read_lock(&rwlock);
54	rwlock_read_lock(&rwlock);	54	rwlock_read_lock(&rwlock);
55	rwlock_read_lock(&rwlock);	55	rwlock_read_lock(&rwlock);
56	rwlock_read_lock(&rwlock);	56	rwlock_read_lock(&rwlock);
57		57
58	rwlock_read_unlock(&rwlock);	58	rwlock_read_unlock(&rwlock);
59	rwlock_read_unlock(&rwlock);	59	rwlock_read_unlock(&rwlock);
60	rwlock_read_unlock(&rwlock);	60	rwlock_read_unlock(&rwlock);
61	rwlock_read_unlock(&rwlock);	61	rwlock_read_unlock(&rwlock);
62	rwlock_read_unlock(&rwlock);	62	rwlock_read_unlock(&rwlock);
63		63
64		64
65	rwlock_write_lock(&rwlock);	65	rwlock_write_lock(&rwlock);
66	rwlock_write_unlock(&rwlock);	66	rwlock_write_unlock(&rwlock);
67		67
68	rwlock_read_lock(&rwlock);	68	rwlock_read_lock(&rwlock);
69	rwlock_read_unlock(&rwlock);	69	rwlock_read_unlock(&rwlock);
70		70
71	rwlock_write_lock(&rwlock);	71	rwlock_write_lock(&rwlock);
72	rwlock_write_unlock(&rwlock);	72	rwlock_write_unlock(&rwlock);
73		73
74	rwlock_read_lock(&rwlock);	74	rwlock_read_lock(&rwlock);
75	rwlock_read_unlock(&rwlock);	75	rwlock_read_unlock(&rwlock);
76		76
77	printf("Test passed.\n");	77	printf("Test passed.\n");
78	}	78	}
79		79

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/test/synch/rwlock1/test.c @ 1164 – Rev 534 → 1104