int main(int argc, char *argv[])
{
int *memory, semaphore_id;
key_t key;
if(argc != 3) {
printf("Invalid number of arguments. Usage: <pathname> <project_id>\n");
exit(EXIT_FAILURE);
}
key = get_key(argv[1], parse_int(argv[2]));
memory = get_shared_memory(key, 0);
if((semaphore_id = semget(key, SEMAPHORE_NUM, 0)) == -1) {
perror("semget");
exit(EXIT_FAILURE);
}
printf("%d\n", memory[END_INDEX]);
produce(memory, semaphore_id);
return EXIT_SUCCESS;
}
IDL_VPTR IDL_CDECL idl_bam_cxc_get_event(int argc, IDL_VPTR argv[]) {
unsigned long int *data = get_shared_memory("event");
int n_dim = 2;
IDL_MEMINT dim[2] = {NPIXELY, NPIXELX};
IDL_VPTR rv = IDL_ImportArray(n_dim, dim, IDL_TYP_ULONG64, (UCHAR *) data, (IDL_ARRAY_FREE_CB) free, 0);
return rv;
}
int main(void)
{
struct circular_buffer *cb;
cb = get_shared_memory();
for (;;) {
int c, nE;
c = getchar();
if (c == EOF)
break;
if (sem_wait(&cb->sem) == -1) {
perror("sem_wait");
exit(EXIT_FAILURE);
}
nE = (cb->E + 1) % cbuf_size;
/* controllare se buffer pieno */
while (nE == cb->S) {
/* buffer pieno */
if (sem_post(&cb->sem) == -1) {
perror("sem_post");
exit(EXIT_FAILURE);
}
usleep(100000);
if (sem_wait(&cb->sem) == -1) {
perror("sem_wait");
exit(EXIT_FAILURE);
}
nE = (cb->E + 1) % cbuf_size;
}
cb->buf[cb->E] = c;
cb->E = nE;
if (sem_post(&cb->sem) == -1) {
perror("sem_post");
exit(EXIT_FAILURE);
}
}
return EXIT_SUCCESS;
}
