Notes

#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include <sys/mman.h>
#define SUCCESS 0

//sem_t *sem_open(const char *name, int ofLag);
//sem_t *sem_open(const char *name, int ofLag, mode_t mode, unsigned int value);

//int(shm_open(const char *name, intoflag, mode t_mode));
//void *mmap(void *addr, size_tlength, int prot, int flags, int fd, off_t offset);

int *tab;
sem_t *mysem;
sem_t *acksem;

void *pong(void *arg){
int cnt = 0;
while(1){
sem_wait(mysem);
printf("Pong %d n", ++ cnt);
sem_post(acksem);
}
return 0;
}

void *ping(void *arg){
while(1){
printf("Tapez ENTER n");
getchar();
printf("Ping n");
sem_post(mysem);
sem_wait(mysem);
}

}


//MySem = sem_open("/sync1", O_CREAT, 0644, 0); //Création
//MySem = sem_open("/sync1", 0, 0644, 0); //Ouverture

int main(int argc, char** argv){
pthread_t MonThread;
if((mysem = sem_open("/sem007", O_CREAT, 0644, 0)) == SEM_FAILED)
goto errsem;
if((mysem = sem_open("/semACK", O_CREAT, 0644, 0)) == SEM_FAILED)
goto errsem;
if(pthread_create(&MonThread, 0, pong, (void*)0) != SUCCESS)
goto errthr;
ping(0);

errsem:
printf("Erreur semaphore n");
//goto final;
return 0;

errthr:
printf("Erreur thread n");
return 0;
}