static inline bool
_acquire_fork(void)
{
if (fork_state != FS_NONE) {
return false;
}
fork_state = FS_ACQUIRING;
_wait_for(&lock, &all_locks_released, &locked_thread_count, 0, fork_friendly_acquire_timeout);
if (locked_thread_count) {
fork_state = FS_LOCKS_PARTIALLY_DISABLED;
_wait_for(&lock, &all_locks_released, &locked_thread_count, 0, NO_TIMEOUT);
}
fork_state = FS_FORKING;
return true;
}
static inline void
_acquire_lock(void)
{
#if DEBUG_FORK_LOCKS
/*fld_add_acquire_time_point(locked_thread_count);*/
#endif
if (!thread_lock_count) {
if (fork_state != FS_NONE && fork_state != FS_ACQUIRING) {
_wait_for(&lock, &fork_state_changed, &fork_state, FS_NONE, NO_TIMEOUT);
}
}
if (++thread_lock_count == 1) {
++locked_thread_count;
#if DEBUG_FORK_LOCKS
fld_thread_has_acquired_locks();
#endif
}
/*fld_write_int(thread_lock_count);*/
}
bool PubSubClient::_send_reliably(MQTT::Message* msg) {
MQTT::message_type r_type = msg->response_type();
if (msg->need_packet_id())
msg->set_packet_id(_next_packet_id());
uint16_t pid = msg->packet_id();
uint8_t retries = 0;
send:
msg->send(*_client);
lastOutActivity = millis();
if (r_type == MQTT::None)
return true;
if (!_wait_for(r_type, pid)) {
if (retries < _max_retries) {
retries++;
goto send;
}
return false;
}
return true;
}
