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annotate dpp3.cbc @ 0:d4bc23cb728b

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Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
author Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
date Wed, 16 Dec 2015 15:16:11 +0900
parents
children a15437a1e94c
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0
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /*
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
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2 ** Program: Dining Philosophors Problem
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3 ** Author : Atsuki Shimoji
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4 */
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5
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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6 #include "dpp3.h"
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7 #include "queue.h"
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8
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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9 __code putdown_fork(PhilsPtr self, TaskPtr current_task)
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10 {
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11 //printf("%d: putdown_lfork:%d\n", self->id, self->left_fork->id);
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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12 self->right_fork->owner = NULL;
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13 self->left_fork->owner = NULL;
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14 self->next = pickup_lfork;
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15 goto scheduler(self, current_task);
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16 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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17
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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18 /*
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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19 __code putdown_lfork(PhilsPtr self, TaskPtr current_task)
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20 {
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21 //printf("%d: putdown_lfork:%d\n", self->id, self->left_fork->id);
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22 self->left_fork->owner = NULL;
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23 self->next = pickup_lfork;
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24 goto scheduler(self, current_task);
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25 }
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26
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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27 __code putdown_rfork(PhilsPtr self, TaskPtr current_task)
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28 {
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29 //printf("%d: putdown_rfork:%d\n", self->id, self->right_fork->id);
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30 self->right_fork->owner = NULL;
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31 self->next = putdown_lfork;
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32 goto scheduler(self, current_task);
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33 }
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34 */
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35
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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36 __code pickup_rfork(PhilsPtr self, TaskPtr current_task)
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37 {
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38 if (self->right_fork->owner == NULL) {
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39 //printf("%d: pickup_rfork:%d\n", self->id, self->right_fork->id);
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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40 self->right_fork->owner = self;
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41 self->next = putdown_fork;
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42 goto scheduler(self, current_task);
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43 } else {
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44 self->next = pickup_rfork;
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45 goto scheduler(self, current_task);
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46 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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47 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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48
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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49 __code pickup_lfork(PhilsPtr self, TaskPtr current_task)
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50 {
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51 if (self->left_fork->owner == NULL) {
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52 //printf("%d: pickup_lfork:%d\n", self->id, self->left_fork->id);
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53 self->left_fork->owner = self;
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54 self->next = pickup_rfork;
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55 goto scheduler(self, current_task);
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56 } else {
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57 self->next = pickup_lfork;
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58 goto scheduler(self, current_task);
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59 }
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60 }
d4bc23cb728b Import from CVS (CVS_DB/member/atsuki/cbc/DPP)
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61 /* end */