70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <assert.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include "consommateur.h"
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#include "types.h"
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#include "sema.h"
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#include "constantes.h"
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int main( int argc, char **argv)
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{
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int shmid, shm_key;
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int mutex_data, mutex_tpa;
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key_t sem_key_data;
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key_t sem_key_tpa;
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const char CTRL_D = 4;
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if(argc < 2) { printf("Usage : %s nSHM \n", argv[0]); exit(EXIT_FAILURE); }
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shm_key = (key_t) atoi(argv[1]);
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sem_key_tpa = MUTEX_1;
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sem_key_data = MUTEX_2;
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MEMP * memoireP;
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if((shmid = shmget(shm_key, sizeof(MEMP), IPC_CREAT|IPC_EXCL|0766)) == -1)
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{ perror("shmget"); exit(EXIT_FAILURE);}
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if((memoireP = (MEMP *) shmat(shmid, 0 , 0766)) == (void *) -1)
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{ perror("shmat"); exit(EXIT_FAILURE); }
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// MUTEX_2 => DATA
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if((mutex_data = creat_sem( sem_key_data, MAX_PROD)) == -1)
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{ perror("creat_sem"); exit(EXIT_FAILURE); }
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if((mutex_tpa = creat_sem( sem_key_tpa, MAX_PROD)) == -1)
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{ perror("creat_sem"); exit(EXIT_FAILURE); }
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P(mutex_data);
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memoireP->tete = 0;
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memoireP->queue = 0;
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V(mutex_data);
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for(int i = 0; i < MAX_PROD ; i++)
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memoireP->tpa[i] = -1;
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sleep(10);
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if(shmctl(shmid, IPC_RMID, 0) < 0)
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{ perror("shmctl"); exit(EXIT_FAILURE); }
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if(mutex_data >= 0) { del_sem(sem_key_data); }
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if(mutex_tpa >= 0) { del_sem(sem_key_tpa); }
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exit(EXIT_SUCCESS);
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}
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