72   return NULL;  in socket_new()
93   CHECK(socket != NULL);  in socket_listen()
115   CHECK(socket != NULL);  in socket_accept()
118   OSI_NO_INTR(fd = accept(socket->fd, NULL, NULL));  in socket_accept()
121     return NULL;  in socket_accept()
131   CHECK(socket != NULL);  in socket_read()
132   CHECK(buf != NULL);  in socket_read()
141   CHECK(socket != NULL);  in socket_write()
142   CHECK(buf != NULL);  in socket_write()
152   CHECK(socket != NULL);  in socket_write_and_transfer_fd()
153   CHECK(buf != NULL);  in socket_write_and_transfer_fd()
168   msg.msg_name = NULL;  in socket_write_and_transfer_fd()
185   CHECK(socket != NULL);  in socket_bytes_available()
194   CHECK(socket != NULL);  in socket_register()
203   void (*read_fn)(void*) = (read_cb != NULL) ? internal_read_ready : NULL;  in socket_register()
204   void (*write_fn)(void*) = (write_cb != NULL) ? internal_write_ready : NULL;  in socket_register()
211   CHECK(socket != NULL);  in socket_unregister()
214   socket->reactor_object = NULL;  in socket_unregister()
218   CHECK(context != NULL);  in internal_read_ready()
225   CHECK(context != NULL);  in internal_write_ready()