예제 #1
0
/** Add new Wake-On-LAN virtue.
 *
 * @param[in]  dev_sess
 * @param[in]  type     Type of the virtue
 * @param[in]  data     Data required for this virtue
 *                      (depends on type)
 * @param[in]  length   Length of the data
 * @param[out] id       Identifier of the new virtue
 *
 * @return EOK If the operation was successfully completed
 *
 */
int nic_wol_virtue_add(async_sess_t *dev_sess, nic_wv_type_t type,
    const void *data, size_t length, nic_wv_id_t *id)
{
	assert(id);
	
	bool send_data = ((data != NULL) && (length != 0));
	async_exch_t *exch = async_exchange_begin(dev_sess);
	
	ipc_call_t result;
	aid_t message_id = async_send_3(exch, DEV_IFACE_ID(NIC_DEV_IFACE),
	    NIC_WOL_VIRTUE_ADD, (sysarg_t) type, send_data, &result);
	
	sysarg_t res;
	if (send_data) {
		int rc = async_data_write_start(exch, data, length);
		if (rc != EOK) {
			async_exchange_end(exch);
			async_wait_for(message_id, &res);
			return rc;
		}
	}
	
	async_exchange_end(exch);
	async_wait_for(message_id, &res);
	
	*id = IPC_GET_ARG1(result);
	return (int) res;
}
예제 #2
0
파일: clipboard.c 프로젝트: jvesely/helenos
/** Copy string to clipboard.
 *
 * Sets the clipboard contents to @a str. Passing an empty string or NULL
 * makes the clipboard empty.
 *
 * @param str String to put to clipboard or NULL.
 *
 * @return Zero on success or negative error code.
 *
 */
int clipboard_put_str(const char *str)
{
	size_t size = str_size(str);
	
	if (size == 0) {
		async_exch_t *exch = clip_exchange_begin();
		sysarg_t rc = async_req_1_0(exch, CLIPBOARD_PUT_DATA,
		    CLIPBOARD_TAG_NONE);
		clip_exchange_end(exch);
		
		return (int) rc;
	} else {
		async_exch_t *exch = clip_exchange_begin();
		aid_t req = async_send_1(exch, CLIPBOARD_PUT_DATA, CLIPBOARD_TAG_DATA,
		    NULL);
		sysarg_t rc = async_data_write_start(exch, (void *) str, size);
		clip_exchange_end(exch);
		
		if (rc != EOK) {
			sysarg_t rc_orig;
			async_wait_for(req, &rc_orig);
			if (rc_orig == EOK)
				return (int) rc;
			else
				return (int) rc_orig;
		}
		
		async_wait_for(req, &rc);
		
		return (int) rc;
	}
}
예제 #3
0
/** Connect to specified network.
 *
 * @param[in] dev_sess   Device session.
 * @param[in] ssid_start Network SSID prefix.
 * @param[in] password   Network password (pass empty string if not needed).
 *
 * @return EOK If the operation was successfully completed,
 *         negative error code otherwise.
 *
 */
int ieee80211_connect(async_sess_t *dev_sess, char *ssid_start, char *password)
{
	assert(ssid_start);
	
	sysarg_t rc_orig;
	
	async_exch_t *exch = async_exchange_begin(dev_sess);
	
	aid_t aid = async_send_1(exch, DEV_IFACE_ID(IEEE80211_DEV_IFACE),
	    IEEE80211_CONNECT, NULL);
	
	sysarg_t rc = async_data_write_start(exch, ssid_start,
	    str_size(ssid_start) + 1);
	if (rc != EOK) {
		async_exchange_end(exch);
		async_wait_for(aid, &rc_orig);
		
		if (rc_orig == EOK)
			return (int) rc;
		
		return (int) rc_orig;
	}
	
	// FIXME: Typecasting string literal
	if (password == NULL)
		password = (char *) "";
	
	rc = async_data_write_start(exch, password, str_size(password) + 1);
	if (rc != EOK) {
		async_exchange_end(exch);
		async_wait_for(aid, &rc_orig);
		
		if (rc_orig == EOK)
			return (int) rc;
		
		return (int) rc_orig;
	}
	
	async_exchange_end(exch);
	
	async_wait_for(aid, &rc);
	if (rc != EOK)
		return rc;
	
	/* Send DHCP discover. */
	nic_address_t wifi_mac;
	rc = nic_get_address(dev_sess, &wifi_mac);
	if (rc != EOK)
		return rc;
	
	sysarg_t link_id = get_link_id(wifi_mac.address);
	if (link_id == ((sysarg_t) -1))
		return EINVAL;
	
	rc = dhcp_discover(link_id);
	
	return (int) rc;
}
예제 #4
0
/** Register new service.
 *
 * The @p interface is used when forwarding connection to the server.
 * If not 0, the first argument is the interface and the second argument
 * is the service ID.
 *
 * When the interface is zero (default), the first argument is directly
 * the handle (to ensure backward compatibility).
 *
 * @param      fqsn      Fully qualified service name
 * @param[out] sid       Service ID of new service
 * @param      interface Interface when forwarding
 *
 */
int loc_service_register_with_iface(const char *fqsn,
    service_id_t *sid, sysarg_t interface)
{
	async_exch_t *exch = loc_exchange_begin_blocking(LOC_PORT_SUPPLIER);
	
	ipc_call_t answer;
	aid_t req = async_send_2(exch, LOC_SERVICE_REGISTER, interface, 0,
	    &answer);
	sysarg_t retval = async_data_write_start(exch, fqsn, str_size(fqsn));
	
	loc_exchange_end(exch);
	
	if (retval != EOK) {
		async_forget(req);
		return retval;
	}
	
	async_wait_for(req, &retval);
	
	if (retval != EOK) {
		if (sid != NULL)
			*sid = -1;
		
		return retval;
	}
	
	if (sid != NULL)
		*sid = (service_id_t) IPC_GET_ARG1(answer);
	
	return retval;
}
예제 #5
0
int iplink_ev_recv(iplink_srv_t *srv, iplink_srv_sdu_t *sdu)
{
	if (srv->client_sess == NULL)
		return EIO;

	async_exch_t *exch = async_exchange_begin(srv->client_sess);

	ipc_call_t answer;
	aid_t req = async_send_2(exch, IPLINK_EV_RECV, sdu->lsrc.ipv4,
	    sdu->ldest.ipv4, &answer);
	int rc = async_data_write_start(exch, sdu->data, sdu->size);
	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return rc;
	}

	sysarg_t retval;
	async_wait_for(req, &retval);
	if (retval != EOK)
		return retval;

	return EOK;
}
예제 #6
0
static int loc_category_get_ids_once(sysarg_t method, sysarg_t arg1,
    sysarg_t *id_buf, size_t buf_size, size_t *act_size)
{
	async_exch_t *exch = loc_exchange_begin_blocking(LOC_PORT_CONSUMER);

	ipc_call_t answer;
	aid_t req = async_send_1(exch, method, arg1, &answer);
	int rc = async_data_read_start(exch, id_buf, buf_size);
	
	loc_exchange_end(exch);
	
	if (rc != EOK) {
		async_forget(req);
		return rc;
	}
	
	sysarg_t retval;
	async_wait_for(req, &retval);
	
	if (retval != EOK) {
		return retval;
	}
	
	*act_size = IPC_GET_ARG1(answer);
	return EOK;
}
예제 #7
0
파일: log.c 프로젝트: jvesely/helenos
/** Send formatted message to the logger service.
 *
 * @param session Initialized IPC session with the logger.
 * @param log Log to use.
 * @param level Verbosity level of the message.
 * @param message The actual message.
 * @return Error code of the conversion or EOK on success.
 */
static int logger_message(async_sess_t *session, log_t log, log_level_t level, char *message)
{
	async_exch_t *exchange = async_exchange_begin(session);
	if (exchange == NULL) {
		return ENOMEM;
	}
	if (log == LOG_DEFAULT)
		log = default_log_id;

	// FIXME: remove when all USB drivers use libc logging explicitly
	str_rtrim(message, '\n');

	aid_t reg_msg = async_send_2(exchange, LOGGER_WRITER_MESSAGE,
	    log, level, NULL);
	int rc = async_data_write_start(exchange, message, str_size(message));
	sysarg_t reg_msg_rc;
	async_wait_for(reg_msg, &reg_msg_rc);

	async_exchange_end(exchange);

	/*
	 * Getting ENAK means no-one wants our message. That is not an
	 * error at all.
	 */
	if (rc == ENAK)
		rc = EOK;

	if (rc != EOK) {
		return rc;
	}

	return reg_msg_rc;
}
예제 #8
0
파일: udp.c 프로젝트: jvesely/helenos
/** Send message via UDP association.
 *
 * @param assoc Association
 * @param dest	Destination endpoint or @c NULL to use association's remote ep.
 * @param data	Message data
 * @param bytes Message size in bytes
 *
 * @return EOK on success or negative error code
 */
int udp_assoc_send_msg(udp_assoc_t *assoc, inet_ep_t *dest, void *data,
    size_t bytes)
{
	async_exch_t *exch;

	exch = async_exchange_begin(assoc->udp->sess);
	aid_t req = async_send_1(exch, UDP_ASSOC_SEND_MSG, assoc->id, NULL);

	sysarg_t rc = async_data_write_start(exch, (void *)dest,
	    sizeof(inet_ep_t));
	if (rc != EOK) {
		async_exchange_end(exch);
		async_forget(req);
		return rc;
	}

	rc = async_data_write_start(exch, data, bytes);
	if (rc != EOK) {
		async_forget(req);
		return rc;
	}

	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return rc;
	}

	async_wait_for(req, &rc);
	return rc;
}
예제 #9
0
파일: vbd.c 프로젝트: jvesely/helenos
/** Get list of IDs into a buffer of fixed size.
 *
 * @param vbd      Virtual Block Device
 * @param method   IPC method
 * @param arg1     First argument
 * @param id_buf   Buffer to store IDs
 * @param buf_size Buffer size
 * @param act_size Place to store actual size of complete data.
 *
 * @return EOK on success or negative error code.
 */
static int vbd_get_ids_once(vbd_t *vbd, sysarg_t method, sysarg_t arg1,
    sysarg_t *id_buf, size_t buf_size, size_t *act_size)
{
	async_exch_t *exch = async_exchange_begin(vbd->sess);

	ipc_call_t answer;
	aid_t req = async_send_1(exch, method, arg1, &answer);
	int rc = async_data_read_start(exch, id_buf, buf_size);

	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return rc;
	}

	sysarg_t retval;
	async_wait_for(req, &retval);

	if (retval != EOK) {
		return retval;
	}

	*act_size = IPC_GET_ARG1(answer);
	return EOK;
}
예제 #10
0
파일: vbd.c 프로젝트: jvesely/helenos
int vbd_part_create(vbd_t *vbd, service_id_t disk, vbd_part_spec_t *pspec,
    vbd_part_id_t *rpart)
{
	async_exch_t *exch;
	sysarg_t retval;
	ipc_call_t answer;

	exch = async_exchange_begin(vbd->sess);
	aid_t req = async_send_1(exch, VBD_PART_CREATE, disk, &answer);
	int rc = async_data_write_start(exch, pspec, sizeof(vbd_part_spec_t));
	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return EIO;
	}

	async_wait_for(req, &retval);
	if (retval != EOK)
		return EIO;

	*rpart = (vbd_part_id_t)IPC_GET_ARG1(answer);
	return EOK;

}
예제 #11
0
/** Set preset files for the program.
 *
 * Sets the vector of preset files to be passed to the loaded
 * program. By convention, the first three files represent stdin,
 * stdout and stderr respectively.
 *
 * @param ldr   Loader connection structure.
 * @param files NULL-terminated array of pointers to files.
 *
 * @return Zero on success or negative error code.
 *
 */
int loader_set_files(loader_t *ldr, int * const files[])
{
	/* Send serialized files to the loader */
	async_exch_t *exch = async_exchange_begin(ldr->sess);
	async_exch_t *vfs_exch = vfs_exchange_begin();
	
	int i;
	for (i = 0; files[i]; i++);

	ipc_call_t answer;
	aid_t req = async_send_1(exch, LOADER_SET_FILES, i, &answer);

	sysarg_t rc = EOK;
	
	for (i = 0; files[i]; i++) {
		rc = async_state_change_start(exch, VFS_PASS_HANDLE, *files[i],
		    0, vfs_exch); 
		if (rc != EOK)
			break;
	}
	
	vfs_exchange_end(vfs_exch);
	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return (int) rc;
	}
	
	async_wait_for(req, &rc);
	return (int) rc;
}
예제 #12
0
/** Set pathname of the program to load.
 *
 * Sets the name of the program file to load. The name can be relative
 * to the current working directory (it will be absolutized before
 * sending to the loader).
 *
 * @param ldr  Loader connection structure.
 * @param path Pathname of the program file.
 *
 * @return Zero on success or negative error code.
 *
 */
int loader_set_pathname(loader_t *ldr, const char *path)
{
	size_t pa_len;
	char *pa = absolutize(path, &pa_len);
	if (!pa)
		return ENOMEM;
	
	/* Send program pathname */
	async_exch_t *exch = async_exchange_begin(ldr->sess);
	
	ipc_call_t answer;
	aid_t req = async_send_0(exch, LOADER_SET_PATHNAME, &answer);
	sysarg_t rc = async_data_write_start(exch, (void *) pa, pa_len);
	
	async_exchange_end(exch);
	free(pa);
	
	if (rc != EOK) {
		async_forget(req);
		return (int) rc;
	}
	
	async_wait_for(req, &rc);
	return (int) rc;
}
예제 #13
0
/** Set which multicast frames are received.
 *
 * @param[in] dev_sess
 * @param[in] mode          Current operation mode
 * @param[in] address_list  The list of addresses. Can be NULL.
 * @param[in] address_count Number of addresses in the list.
 *
 * @return EOK If the operation was successfully completed
 *
 */
int nic_multicast_set_mode(async_sess_t *dev_sess, nic_multicast_mode_t mode,
    const nic_address_t *address_list, size_t address_count)
{
	if (address_list == NULL)
		address_count = 0;
	
	async_exch_t *exch = async_exchange_begin(dev_sess);
	
	aid_t message_id = async_send_3(exch, DEV_IFACE_ID(NIC_DEV_IFACE),
	    NIC_MULTICAST_SET_MODE, (sysarg_t) mode, address_count, NULL);
	
	int rc;
	if (address_count)
		rc = async_data_write_start(exch, address_list,
		    address_count * sizeof(nic_address_t));
	else
		rc = EOK;
	
	async_exchange_end(exch);
	
	sysarg_t res;
	async_wait_for(message_id, &res);
	
	if (rc != EOK)
		return rc;
	
	return (int) res;
}
예제 #14
0
/** Set current working directory for the loaded task.
 *
 * Sets the current working directory for the loaded task.
 *
 * @param ldr  Loader connection structure.
 *
 * @return Zero on success or negative error code.
 *
 */
int loader_set_cwd(loader_t *ldr)
{
	char *cwd = (char *) malloc(MAX_PATH_LEN + 1);
	if (!cwd)
		return ENOMEM;
	
	if (!getcwd(cwd, MAX_PATH_LEN + 1))
		str_cpy(cwd, MAX_PATH_LEN + 1, "/");
	
	size_t len = str_length(cwd);
	
	async_exch_t *exch = async_exchange_begin(ldr->sess);
	
	ipc_call_t answer;
	aid_t req = async_send_0(exch, LOADER_SET_CWD, &answer);
	sysarg_t rc = async_data_write_start(exch, cwd, len);
	
	async_exchange_end(exch);
	free(cwd);
	
	if (rc != EOK) {
		async_forget(req);
		return (int) rc;
	}
	
	async_wait_for(req, &rc);
	return (int) rc;
}
예제 #15
0
/** Set which source MACs are blocked
 *
 * @param[in] dev_sess
 * @param[in] address_list  The list of addresses. Can be NULL.
 * @param[in] address_count Number of addresses in the list.
 *
 * @return EOK If the operation was successfully completed
 *
 */
int nic_blocked_sources_set(async_sess_t *dev_sess,
    const nic_address_t *address_list, size_t address_count)
{
	if (address_list == NULL)
		address_count = 0;
	
	async_exch_t *exch = async_exchange_begin(dev_sess);
	
	aid_t message_id = async_send_2(exch, DEV_IFACE_ID(NIC_DEV_IFACE),
	    NIC_BLOCKED_SOURCES_SET, address_count, NULL);
	
	int rc;
	if (address_count)
		rc = async_data_write_start(exch, address_list,
			address_count * sizeof(nic_address_t));
	else
		rc = EOK;
	
	async_exchange_end(exch);
	
	sysarg_t res;
	async_wait_for(message_id, &res);
	
	if (rc != EOK)
		return rc;
	
	return (int) res;
}
예제 #16
0
파일: udp.c 프로젝트: jvesely/helenos
/** Get information about the next received message from UDP service.
 *
 * @param udp  UDP client
 * @param rmsg Place to store message information
 *
 * @return EOK on success or negative error code
 */
static int udp_rmsg_info(udp_t *udp, udp_rmsg_t *rmsg)
{
	async_exch_t *exch;
	inet_ep_t ep;
	ipc_call_t answer;

	exch = async_exchange_begin(udp->sess);
	aid_t req = async_send_0(exch, UDP_RMSG_INFO, &answer);
	int rc = async_data_read_start(exch, &ep, sizeof(inet_ep_t));
	async_exchange_end(exch);

	if (rc != EOK) {
		async_forget(req);
		return rc;
	}

	sysarg_t retval;
	async_wait_for(req, &retval);
	if (retval != EOK)
		return retval;

	rmsg->udp = udp;
	rmsg->assoc_id = IPC_GET_ARG1(answer);
	rmsg->size = IPC_GET_ARG2(answer);
	rmsg->remote_ep = ep;
	return EOK;
}
예제 #17
0
파일: udp.c 프로젝트: jvesely/helenos
/** Create new UDP association.
 *
 * Create a UDP association that allows sending and receiving messages.
 *
 * @a epp may specify remote address and port, in which case only messages
 * from that remote endpoint will be received. Also, that remote endpoint
 * is used as default when @c NULL is passed as destination to
 * udp_assoc_send_msg.
 *
 * @a epp may specify a local link or address. If it does not, the association
 * will listen on all local links/addresses. If @a epp does not specify
 * a local port number, a free dynamic port number will be allocated.
 *
 * The caller is informed about incoming data by invoking @a cb->recv_msg
 *
 * @param udp    UDP client
 * @param epp    Internet endpoint pair
 * @param cb     Callbacks
 * @param arg    Argument to callbacks
 * @param rassoc Place to store pointer to new association
 *
 * @return EOK on success or negative error code.
 */
int udp_assoc_create(udp_t *udp, inet_ep2_t *epp, udp_cb_t *cb, void *arg,
    udp_assoc_t **rassoc)
{
	async_exch_t *exch;
	udp_assoc_t *assoc;
	ipc_call_t answer;

	assoc = calloc(1, sizeof(udp_assoc_t));
	if (assoc == NULL)
		return ENOMEM;

	exch = async_exchange_begin(udp->sess);
	aid_t req = async_send_0(exch, UDP_ASSOC_CREATE, &answer);
	sysarg_t rc = async_data_write_start(exch, (void *)epp,
	    sizeof(inet_ep2_t));
	async_exchange_end(exch);

	if (rc != EOK) {
		sysarg_t rc_orig;
		async_wait_for(req, &rc_orig);
		if (rc_orig != EOK)
			rc = rc_orig;
		goto error;
	}

	async_wait_for(req, &rc);
	if (rc != EOK)
		goto error;

	assoc->udp = udp;
	assoc->id = IPC_GET_ARG1(answer);
	assoc->cb = cb;
	assoc->cb_arg = arg;

	list_append(&assoc->ludp, &udp->assoc);
	*rassoc = assoc;

	return EOK;
error:
	free(assoc);
	return (int) rc;
}
예제 #18
0
/** Get object name.
 *
 * Provided ID of an object, return its name.
 *
 * @param method	IPC method
 * @param id		Object ID
 * @param name		Place to store pointer to new string. Caller should
 *			free it using free().
 * @return		EOK on success or negative error code
 */
static int loc_get_name_internal(sysarg_t method, sysarg_t id, char **name)
{
	async_exch_t *exch;
	char name_buf[LOC_NAME_MAXLEN + 1];
	ipc_call_t dreply;
	size_t act_size;
	sysarg_t dretval;
	
	*name = NULL;
	exch = loc_exchange_begin_blocking(LOC_PORT_CONSUMER);
	
	ipc_call_t answer;
	aid_t req = async_send_1(exch, method, id, &answer);
	aid_t dreq = async_data_read(exch, name_buf, LOC_NAME_MAXLEN,
	    &dreply);
	async_wait_for(dreq, &dretval);
	
	loc_exchange_end(exch);
	
	if (dretval != EOK) {
		async_forget(req);
		return dretval;
	}
	
	sysarg_t retval;
	async_wait_for(req, &retval);
	
	if (retval != EOK)
		return retval;
	
	act_size = IPC_GET_ARG2(dreply);
	assert(act_size <= LOC_NAME_MAXLEN);
	name_buf[act_size] = '\0';

	*name = str_dup(name_buf);
	if (*name == NULL)
		return ENOMEM;
	
	return EOK;
}
예제 #19
0
파일: led_dev.c 프로젝트: jvesely/helenos
int led_dev_color_set(async_sess_t *sess, pixel_t pixel)
{
	async_exch_t *exch = async_exchange_begin(sess);
	
	aid_t req = async_send_2(exch, DEV_IFACE_ID(LED_DEV_IFACE),
	    LED_DEV_COLOR_SET, (sysarg_t) pixel, NULL);
	
	async_exchange_end(exch);
	
	sysarg_t rc;
	async_wait_for(req, &rc);
	
	return (int) rc;
}
예제 #20
0
/** Read to or write from device.
 *
 * Helper function to read to or write from a device
 * using its character interface.
 *
 * @param sess Session to the device.
 * @param buf  Buffer for the data read from or written to the device.
 * @param size Maximum size of data (in bytes) to be read or written.
 * @param read Read from the device if true, write to it otherwise.
 *
 * @return Non-negative number of bytes actually read from or
 *         written to the device on success, negative error number
 *         otherwise.
 *
 */
static ssize_t char_dev_rw(async_sess_t *sess, void *buf, size_t size, bool read)
{
	ipc_call_t answer;
	aid_t req;
	int ret;
	
	async_exch_t *exch = async_exchange_begin(sess);
	
	if (read) {
		req = async_send_1(exch, DEV_IFACE_ID(CHAR_DEV_IFACE),
		    CHAR_DEV_READ, &answer);
		ret = async_data_read_start(exch, buf, size);
	} else {
		req = async_send_1(exch, DEV_IFACE_ID(CHAR_DEV_IFACE),
		    CHAR_DEV_WRITE, &answer);
		ret = async_data_write_start(exch, buf, size);
	}
	
	async_exchange_end(exch);
	
	sysarg_t rc;
	if (ret != EOK) {
		async_wait_for(req, &rc);
		if (rc == EOK)
			return (ssize_t) ret;
		
		return (ssize_t) rc;
	}
	
	async_wait_for(req, &rc);
	
	ret = (int) rc;
	if (ret != EOK)
		return (ssize_t) ret;
	
	return (ssize_t) IPC_GET_ARG1(answer);
}
예제 #21
0
size_t loc_get_services(service_id_t ns_handle, loc_sdesc_t **data)
{
	/* Loop until read is succesful */
	while (true) {
		async_exch_t *exch = loc_exchange_begin_blocking(LOC_PORT_CONSUMER);
		size_t count = loc_count_services_internal(exch, ns_handle);
		loc_exchange_end(exch);
		
		if (count == 0)
			return 0;
		
		loc_sdesc_t *devs = (loc_sdesc_t *) calloc(count, sizeof(loc_sdesc_t));
		if (devs == NULL)
			return 0;
		
		exch = loc_exchange_begin(LOC_PORT_CONSUMER);
		
		ipc_call_t answer;
		aid_t req = async_send_1(exch, LOC_GET_SERVICES, ns_handle, &answer);
		int rc = async_data_read_start(exch, devs, count * sizeof(loc_sdesc_t));
		
		loc_exchange_end(exch);
		
		if (rc == EOVERFLOW) {
			/*
			 * Number of services has changed since
			 * the last call of LOC_GET_SERVICE_COUNT
			 */
			free(devs);
			continue;
		}
		
		if (rc != EOK) {
			async_forget(req);
			free(devs);
			return 0;
		}
		
		sysarg_t retval;
		async_wait_for(req, &retval);
		
		if (retval != EOK)
			return 0;
		
		*data = devs;
		return count;
	}
}
예제 #22
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int ahci_get_sata_device_name(async_sess_t *sess, size_t sata_dev_name_length,
    char *sata_dev_name)
{
	async_exch_t *exch = async_exchange_begin(sess);
	if (!exch)
		return EINVAL;
	
	aid_t req = async_send_2(exch, DEV_IFACE_ID(AHCI_DEV_IFACE),
	    IPC_M_AHCI_GET_SATA_DEVICE_NAME, sata_dev_name_length, NULL);
	
	async_data_read_start(exch, sata_dev_name, sata_dev_name_length);
	
	sysarg_t rc;
	async_wait_for(req, &rc);
	
	return rc;
}
예제 #23
0
파일: vfs_file.c 프로젝트: jvesely/helenos
/** Close the file in the endpoint FS server. */
static int vfs_file_close_remote(vfs_file_t *file)
{
	assert(!file->refcnt);
	
	async_exch_t *exch = vfs_exchange_grab(file->node->fs_handle);
	
	ipc_call_t answer;
	aid_t msg = async_send_2(exch, VFS_OUT_CLOSE, file->node->service_id,
	    file->node->index, &answer);
	
	vfs_exchange_release(exch);
	
	sysarg_t rc;
	async_wait_for(msg, &rc);
	
	return IPC_GET_ARG1(answer);
}
예제 #24
0
/** Set command-line arguments for the program.
 *
 * Sets the vector of command-line arguments to be passed to the loaded
 * program. By convention, the very first argument is typically the same as
 * the command used to execute the program.
 *
 * @param ldr  Loader connection structure.
 * @param argv NULL-terminated array of pointers to arguments.
 *
 * @return Zero on success or negative error code.
 *
 */
int loader_set_args(loader_t *ldr, const char *const argv[])
{
	/*
	 * Serialize the arguments into a single array. First
	 * compute size of the buffer needed.
	 */
	const char *const *ap = argv;
	size_t buffer_size = 0;
	while (*ap != NULL) {
		buffer_size += str_size(*ap) + 1;
		ap++;
	}
	
	char *arg_buf = malloc(buffer_size);
	if (arg_buf == NULL)
		return ENOMEM;
	
	/* Now fill the buffer with null-terminated argument strings */
	ap = argv;
	char *dp = arg_buf;
	
	while (*ap != NULL) {
		str_cpy(dp, buffer_size - (dp - arg_buf), *ap);
		dp += str_size(*ap) + 1;
		ap++;
	}
	
	/* Send serialized arguments to the loader */
	async_exch_t *exch = async_exchange_begin(ldr->sess);
	
	ipc_call_t answer;
	aid_t req = async_send_0(exch, LOADER_SET_ARGS, &answer);
	sysarg_t rc = async_data_write_start(exch, (void *) arg_buf,
	    buffer_size);
	
	async_exchange_end(exch);
	free(arg_buf);
	
	if (rc != EOK) {
		async_forget(req);
		return (int) rc;
	}
	
	async_wait_for(req, &rc);
	return (int) rc;
}
예제 #25
0
static int inet_callback_create(void)
{
	async_exch_t *exch = async_exchange_begin(inet_sess);
	
	ipc_call_t answer;
	aid_t req = async_send_0(exch, INET_CALLBACK_CREATE, &answer);
	int rc = async_connect_to_me(exch, 0, 0, 0, inet_cb_conn, NULL);
	async_exchange_end(exch);
	
	if (rc != EOK)
		return rc;
	
	sysarg_t retval;
	async_wait_for(req, &retval);
	
	return retval;
}
예제 #26
0
/** Set the address of the device (e.g. MAC on Ethernet)
 *
 * @param[in] dev_sess
 * @param[in] address  Pointer to the address
 *
 * @return EOK If the operation was successfully completed
 *
 */
int nic_set_address(async_sess_t *dev_sess, const nic_address_t *address)
{
	assert(address);
	
	async_exch_t *exch = async_exchange_begin(dev_sess);
	aid_t aid = async_send_1(exch, DEV_IFACE_ID(NIC_DEV_IFACE),
	    NIC_SET_ADDRESS, NULL);
	int rc = async_data_write_start(exch, address, sizeof(nic_address_t));
	async_exchange_end(exch);
	
	sysarg_t res;
	async_wait_for(aid, &res);
	
	if (rc != EOK)
		return rc;
	
	return (int) res;
}
예제 #27
0
파일: protocol.c 프로젝트: jvesely/helenos
/**
 * Destroy an existing connection between a source and a sink.
 * @param sess Valid audio session.
 * @param source Source name, valid string.
 * @param sink Sink name, valid string.
 * @return Error code.
 */
int hound_service_disconnect_source_sink(hound_sess_t *sess, const char *source,
    const char *sink)
{
	assert(sess);
	async_exch_t *exch = async_exchange_begin(sess);
	if (!exch)
		return ENOMEM;
	ipc_call_t call;
	aid_t id = async_send_0(exch, IPC_M_HOUND_DISCONNECT, &call);
	int ret = id ? EOK : EPARTY;
	if (ret == EOK)
		ret = async_data_write_start(exch, source, str_size(source));
	if (ret == EOK)
		ret = async_data_write_start(exch, sink, str_size(sink));
	async_wait_for(id, (sysarg_t*)&ret);
	async_exchange_end(exch);
	return ENOTSUP;
}
예제 #28
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/** Get ID of the new task.
 *
 * Retrieves the ID of the new task from the loader.
 *
 * @param ldr     Loader connection structure.
 * @param task_id Points to a variable where the ID should be stored.
 *
 * @return Zero on success or negative error code.
 *
 */
int loader_get_task_id(loader_t *ldr, task_id_t *task_id)
{
	/* Get task ID. */
	async_exch_t *exch = async_exchange_begin(ldr->sess);
	
	ipc_call_t answer;
	aid_t req = async_send_0(exch, LOADER_GET_TASKID, &answer);
	sysarg_t rc = async_data_read_start(exch, task_id, sizeof(task_id_t));
	
	async_exchange_end(exch);
	
	if (rc != EOK) {
		async_forget(req);
		return (int) rc;
	}
	
	async_wait_for(req, &rc);
	return (int) rc;
}
예제 #29
0
imagemap_handle_t fb_imagemap_create(async_sess_t *sess, imgmap_t *imgmap)
{
    async_exch_t *exch = async_exchange_begin(sess);

    ipc_call_t answer;
    aid_t req = async_send_0(exch, FB_IMAGEMAP_CREATE, &answer);
    int rc = async_share_out_start(exch, imgmap, AS_AREA_READ
                                   | AS_AREA_WRITE | AS_AREA_CACHEABLE);

    async_exchange_end(exch);

    sysarg_t ret;
    async_wait_for(req, &ret);

    if ((rc != EOK) || (ret != EOK))
        return 0;

    return (imagemap_handle_t) IPC_GET_ARG1(answer);
}
예제 #30
0
/** Send frame from NIC
 *
 * @param[in] dev_sess
 * @param[in] data     Frame data
 * @param[in] size     Frame size in bytes
 *
 * @return EOK If the operation was successfully completed
 *
 */
int nic_send_frame(async_sess_t *dev_sess, void *data, size_t size)
{
	async_exch_t *exch = async_exchange_begin(dev_sess);
	
	ipc_call_t answer;
	aid_t req = async_send_1(exch, DEV_IFACE_ID(NIC_DEV_IFACE),
	    NIC_SEND_MESSAGE, &answer);
	sysarg_t retval = async_data_write_start(exch, data, size);
	
	async_exchange_end(exch);
	
	if (retval != EOK) {
		async_forget(req);
		return retval;
	}

	async_wait_for(req, &retval);
	return retval;
}