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annotate example/fileread/ppe/Read.cc @ 1808:c25aa7edd1ba draft

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fix conditional branch in fileread
author Masataka Kohagura <e085726@ie.u-ryukyu.ac.jp>
date Wed, 11 Dec 2013 17:42:09 +0900
parents e08f6133f5d7
children ff4e06001518
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <unistd.h>
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4 #include <sys/stat.h>
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5 #include <iostream>
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6 #include <vector>
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7 #include <cstdlib>
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8
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9 #include "SchedTask.h"
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10 #include "Print.h"
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11 #include "Func.h"
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13 /* これは必須 */
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14 SchedDefineTask(Read);
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16 static int
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17 run(SchedTask *s, void *rbuf, void *wbuf)
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18 {
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19 int *fd = (int *)s->get_input(rbuf,0); ///ファイルディスクリプタの受取
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21 long task_number = (long)s->get_param(0); //何番目のtaskか
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22 long division_size = (long)s->get_param(1);
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23 long read_size = (long)s->get_param(2);
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25 char text[(long)read_size];
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27 lseek(*fd, division_size* task_number,SEEK_SET); //lseekでどこから読み込むのか指定
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28 read(*fd,text,(long)read_size);
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30 s->printf("[start task No. %d]\n",task_number);
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31 s->printf("%s\n",text);
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33 return 0;
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34 }