Dishes.c

#include<sys/stat.h>
#include<sys/msg.h>
#include<stdio.h>
#include<stdlib.h>
#include<sys/sem.h>
#include<sys/types.h>
#include<sys/ipc.h>
#include"split.h"
#include<string.h>
#include<errno.h>
#include<unistd.h>
#include<fcntl.h>
#include<signal.h>
#define NAMEFILE "washer.txt"
#define MAX_SIZE 100
#define TABLE_LIMIT 2


void File_Read(FILE *mf, char *string){
	mf = fopen(NAMEFILE, "r");
	char *estr;
	char str[MAX_SIZE] = {};
	do{
		estr = fgets(str, MAX_SIZE, mf);
		if(estr == NULL){
			break;
		}
		strcat(string, str);
	}while(estr);
	fclose(mf);
}

int main(){
	int semid1;
	int msgid;
	int len, maxlen;
	struct mymsgbuf{
		long mtype;
		char mtext[MAX_SIZE];
	} mybuf;
	char pathname[] = "a.c";
	key_t key;
	struct sembuf buf;
	if((key = ftok(pathname, 0)) < 0){
		exit(-1);
	}
	if((semid1 = semget(key, 1, 0666 | IPC_CREAT)) < 0){
		exit(-1);
	}
	msgid = msgget(key, 0666 | IPC_CREAT);
	int i;
	char string[MAX_SIZE] = {};
	int tokensCount = 0;
	char delimiters[2] = {':','\n'};
	FILE *mf;
	File_Read(mf, string);
	char **tokens;
	tokens = (char**)calloc(MAX_SIZE, sizeof(char*));
	for(i = 0; i < MAX_SIZE; i++){
		tokens[i] = (char*)calloc(MAX_SIZE, sizeof(char));
	}
	Split(string, delimiters, &tokens, &tokensCount);
	buf.sem_op = TABLE_LIMIT - 1;
	buf.sem_flg = 0;
	buf.sem_num = 0;
	semop(semid1, &buf, 1);
	for(i = 0; i < tokensCount; i += 2){
		sleep(atoi(tokens[i+1]));
		printf("I washed %s \n", tokens[i]);
	 	mybuf.mtype = 1;
		strcpy(mybuf.mtext, tokens[i]);
		msgsnd(msgid, &mybuf, sizeof(struct mymsgbuf) - sizeof(long), 0);
		printf("I send %s\n", mybuf.mtext);
		buf.sem_op = -1;
		buf.sem_flg = 0;
		buf.sem_num = 0;
		semop(semid1, &buf, 1);
	}
	mybuf.mtype = 228;
	len = 0;
	msgsnd(msgid, &mybuf, len, 0);
	free(tokens);
	return 0;
}