int main(int argc, char* argv[]){
int msg_id = shmget(MSG_NAME(0), 0, 0);
volatile int* msg0 = shmat(msg_id, 0, 0);
msg_id = shmget(MSG_NAME(1), 0, 0);
volatile int* msg1 = shmat(msg_id, 0, 0);
read_request(msg0, 6, 1);
read_request(msg1, 3, 1);
read_request(msg0, 8, 1);
read_request(msg1, 9, 1);
write_request(msg0, 1, 1, 1);
write_request(msg0, 4, 3, 1);
write_request(msg0, 2, 4, 1);
write_request(msg1, 8, 3, 1);
write_request(msg1, 7, 0, 1);
int ans = read_request(msg0, 8, 1);
printf("%d\n", ans);
return 0;
}
static enum { PROTO_TCP, PROTO_SCTP } dlm_protocol;
static int kernel_monitor_fd = -1;
static int control_fd = -1;
static struct lockspace *lockspaces;
static int joined_lockspaces;
static struct node *nodes, *local_node;
static node_mask_t all_nodes;
static node_mask_t connected_nodes;
static int shut_down;
struct poll_callbacks cbs;
static LIST_HEAD(aio_pending);
LIST_HEAD(aio_completed);
#define MSG_NAME(x) [MSG_ ## x] = #x
static const char *msg_names[] = {
MSG_NAME(CLOSE),
MSG_NAME(STOP_LOCKSPACE),
MSG_NAME(LOCKSPACE_STOPPED),
MSG_NAME(JOIN_LOCKSPACE),
MSG_NAME(LEAVE_LOCKSPACE),
};
static const char *msg_name(enum msg_type type)
{
if (type >= ARRAY_SIZE(msg_names))
return NULL;
return msg_names[type];
}
static node_mask_t
nodeid_mask(int nodeid)
