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Gestion d'arrêt du consommateur

master
Philippe Pittoli 2011-03-28 09:01:21 +02:00
parent 0b415758e7
commit 31d4672152
1 changed files with 24 additions and 5 deletions
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27
C_Language/TP_SYS/tp_sema/consommateur.c
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@ -11,6 +11,7 @@
#include <sys/sem.h> #include <sys/sem.h>
#include <sys/shm.h> #include <sys/shm.h>
#include <signal.h>
#include <curses.h> #include <curses.h>
#include <ctype.h> #include <ctype.h>
#include "consommateur.h" #include "consommateur.h"
@ -18,6 +19,7 @@
#include "sema.h" #include "sema.h"
#include "constantes.h" #include "constantes.h"
void quitter(int signal);
WINDOW *creation_fenetre(int n,int d,char *t); WINDOW *creation_fenetre(int n,int d,char *t);
typedef struct prod_s typedef struct prod_s
{ {
@ -25,15 +27,15 @@ typedef struct prod_s
WINDOW w; WINDOW w;
} PROD; } PROD;
int main( int argc, char **argv)
{
if(argc < 2) { printf("Usage : %s nSHM \n", argv[0]); exit(EXIT_FAILURE); }
int shmid, shm_key, i = 0; int shmid, shm_key, i = 0;
int mutex_data, mutex_tpa; int mutex_data, mutex_tpa;
key_t sem_key_data = MUTEX_DATA; key_t sem_key_data = MUTEX_DATA;
key_t sem_key_tpa = MUTEX_TPA; key_t sem_key_tpa = MUTEX_TPA;
int main( int argc, char **argv)
{
if(argc < 2) { printf("Usage : %s nSHM \n", argv[0]); exit(EXIT_FAILURE); }
shm_key = (key_t) atoi(argv[1]); shm_key = (key_t) atoi(argv[1]);
MEMP * memoireP; MEMP * memoireP;
MEMP temp; MEMP temp;
@ -43,6 +45,10 @@ int main( int argc, char **argv)
WINDOW *w ; WINDOW *w ;
char c ; char c ;
signal(SIGHUP, quitter);
signal(SIGINT, quitter);
signal(SIGQUIT, quitter);
initscr() ; /* initialisation (obligatoire) de curses */ initscr() ; /* initialisation (obligatoire) de curses */
noecho() ; /* suppression de l'echo des caracteres tapes*/ noecho() ; /* suppression de l'echo des caracteres tapes*/
cbreak() ; /* lecture non bufferisee */ cbreak() ; /* lecture non bufferisee */
@ -164,3 +170,16 @@ WINDOW *creation_fenetre(int n,int d,char *t)
wrefresh(w) ; wrefresh(w) ;
return w ; return w ;
} }
void quitter(int signal)
{
if(shmctl(shmid, IPC_RMID, 0) < 0)
{ perror("shmctl"); exit(EXIT_FAILURE); }
if(mutex_data >= 0) { del_sem(sem_key_data); }
if(mutex_tpa >= 0) { del_sem(sem_key_tpa); }
endwin() ;
printf("FIN.\n");
exit(EXIT_SUCCESS);
}