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DEFINITIONS
This source file includes following definitions.
- male
- female
- matchmaker
- whalemating
1 /*
2 * Copyright (c) 2001, 2002, 2009
3 * The President and Fellows of Harvard College.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 /*
31 * Driver code for whale mating problem
32 */
33 #include <types.h>
34 #include <lib.h>
35 #include <thread.h>
36 #include <test.h>
37
38 #define NMATING 10
39
40 static
41 void
42 male(void *p, unsigned long which)
43 {
44 (void)p;
45 kprintf("male whale #%ld starting\n", which);
46
47 // Implement this function
48 }
49
50 static
51 void
52 female(void *p, unsigned long which)
53 {
54 (void)p;
55 kprintf("female whale #%ld starting\n", which);
56
57 // Implement this function
58 }
59
60 static
61 void
62 matchmaker(void *p, unsigned long which)
63 {
64 (void)p;
65 kprintf("matchmaker whale #%ld starting\n", which);
66
67 // Implement this function
68 }
69
70
71 // Change this function as necessary
72 int
73 whalemating(int nargs, char **args)
74 {
75
76 int i, j, err=0;
77
78 (void)nargs;
79 (void)args;
80
81 for (i = 0; i < 3; i++) {
82 for (j = 0; j < NMATING; j++) {
83 #ifdef UW
84 switch(i) {
85 case 0:
86 err = thread_fork("Male Whale Thread", NULL,
87 male, NULL, j);
88 break;
89 case 1:
90 err = thread_fork("Female Whale Thread", NULL,
91 female, NULL, j);
92 break;
93 case 2:
94 err = thread_fork("Matchmaker Whale Thread", NULL,
95 matchmaker, NULL, j);
96 break;
97 }
98 #else
99 switch(i) {
100 case 0:
101 err = thread_fork("Male Whale Thread",
102 male, NULL, j, NULL);
103 break;
104 case 1:
105 err = thread_fork("Female Whale Thread",
106 female, NULL, j, NULL);
107 break;
108 case 2:
109 err = thread_fork("Matchmaker Whale Thread",
110 matchmaker, NULL, j, NULL);
111 break;
112 }
113 #endif /* UW */
114 if (err) {
115 panic("whalemating: thread_fork failed: %s)\n",
116 strerror(err));
117 }
118 }
119 }
120
121 return 0;
122 }