static inline void
rwlock_wlock(struct rwlock *lock) {
atom_spinlock(&lock->write);
while(lock->read) {
atom_sync();
}
}
static inline void
rwlock_rlock(struct rwlock *lock) {
for (;;) {
while(lock->write) {
atom_sync();
}
atom_inc(&lock->read);
if (lock->write) {
atom_dec(&lock->read);
} else {
break;
}
}
}
void
skynet_service_delete(struct skynet_service *self, address_t id) {
assert_launcher(self);
struct skynet_service *svc = skynet_service_grab(id);
if (svc == NULL)
return;
struct service_node *sn = &G->s[id % MAX_SERVICE];
assert(sn->id == id);
assert(skynet_service_id(sn->svc) == id);
sn->exit = 1;
atom_sync();
if (sn->ref == 0) {
sn->id = 0;
atom_sync();
sn->svc = NULL;
skynet_service_destory(svc);
} else {
// Only close service, the slot will reuse after .ref == 0 when call skynet_service_new
skynet_service_close(svc);
}
}
static address_t
alloc_id() {
int i;
for (i=0;i<MAX_SERVICE;i++) {
address_t id = ++G->last_id;
if (id == 0) {
id = ++G->last_id;
}
struct service_node *sn = &G->s[id % MAX_SERVICE];
if (sn->id == 0)
return id;
if (sn->exit && sn->ref == 0) {
sn->id = 0;
atom_sync();
sn->svc = NULL;
skynet_service_destory(sn->svc);
return id;
}
}
return 0;
}