*/
#include <string.h>
+#include <gio/gunixfdlist.h>
+
#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
#include <errno.h>
-#include <gio/gunixfdlist.h>
#endif
#include "bluetooth-api.h"
#include "bt-dpm.h"
#endif
-#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
+/* Variable for privilege, only for write API,
+ before we should reduce time to bt-service dbus calling
+ -1 : Don't have a permission to access API
+ 0 : Initial value, not yet check
+ 1 : Have a permission to access API
+*/
+static int privilege_token;
+
+#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
#define BT_TIMEOUT_MESSAGE "Did not receive a reply. Possible causes include: " \
"the remote application did not send a reply, " \
"the message bus security policy blocked the reply, " \
static GSList *rfcomm_clients;
-/* Variable for privilege, only for write API,
- before we should reduce time to bt-service dbus calling
- -1 : Don't have a permission to access API
- 0 : Initial value, not yet check
- 1 : Have a permission to access API
-*/
-static int privilege_token;
-
typedef struct {
char bt_addr[BT_ADDRESS_STRING_SIZE];
int fd;
GIOStatus status = G_IO_STATUS_NORMAL;
GError *err = NULL;
int fd;
- BT_DBG("");
+ BT_DBG("+");
retv_if(info == NULL, FALSE);
fd = g_io_channel_unix_get_fd(chan);
result, &data_r,
event_info->cb, event_info->user_data);
+ if (bluetooth_get_battery_monitor_state()) {
+ int ret = _bt_common_send_rfcomm_rx_details(&data_r);
+ if (ret != BLUETOOTH_ERROR_NONE)
+ BT_ERR("RFCOMM received data details not sent to battery monitor frwk");
+ }
+
g_free(buffer);
+ BT_DBG("-");
return TRUE;
}
close(conn_info->fd);
conn_info->disconnected = TRUE;
- _bt_disconnect_profile(conn_info->bt_addr, info->uuid,
- NULL,NULL);
-
+ _bt_disconnect_ext_profile(conn_info->bt_addr,
+ info->obj_path);
}
client = client->next;
return;
}
-#endif
int new_connection(const char *path, int fd, bluetooth_device_address_t *addr)
{
if (err)
g_clear_error(&err);
}
+#else
+GSList *rfcomm_clients;
+
+typedef struct {
+ char *uuid;
+ char *remote_addr;
+ int sock_fd;
+ int watch_id;
+} rfcomm_client_conn_info_t;
+
+static gboolean __is_error_by_disconnect(GError *err)
+{
+ return !g_strcmp0(err->message, "Connection reset by peer") ||
+ !g_strcmp0(err->message, "Connection timed out") ||
+ !g_strcmp0(err->message, "Software caused connection abort");
+}
+
+static rfcomm_client_conn_info_t *__find_rfcomm_conn_info_with_fd(int fd)
+{
+ GSList *l;
+
+ BT_DBG("+");
+
+ for (l = rfcomm_clients; l != NULL; l = l->next) {
+ rfcomm_client_conn_info_t *info = l->data;
+
+ if (info && info->sock_fd == fd) {
+ BT_INFO("Match found");
+ return info;
+ }
+ }
+
+ BT_DBG("-");
+ return NULL;
+}
+
+static void __rfcomm_remove_client_conn_info_t(rfcomm_client_conn_info_t *info)
+{
+ ret_if(info == NULL);
+
+ rfcomm_clients = g_slist_remove(rfcomm_clients, info);
+ g_free(info->uuid);
+ g_free(info->remote_addr);
+}
+
+static void __bt_rfcomm_client_disconnected(rfcomm_client_conn_info_t *conn_info)
+{
+
+ bluetooth_rfcomm_disconnection_t disconn_info;
+ bt_event_info_t *event_info = NULL;
+
+ ret_if(conn_info == NULL);
+
+ event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
+ ret_if(event_info == NULL);
+
+ memset(&disconn_info, 0x00, sizeof(bluetooth_rfcomm_disconnection_t));
+ disconn_info.device_role = RFCOMM_ROLE_CLIENT;
+ disconn_info.socket_fd = conn_info->sock_fd;
+ g_strlcpy(disconn_info.uuid, conn_info->uuid, BLUETOOTH_UUID_STRING_MAX);
+ _bt_convert_addr_string_to_type(disconn_info.device_addr.addr,
+ conn_info->remote_addr);
+
+ BT_DBG("Disconnection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
+ BLUETOOTH_ERROR_NONE, conn_info->remote_addr,
+ conn_info->uuid, conn_info->sock_fd);
+ _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
+ BLUETOOTH_ERROR_NONE, &disconn_info,
+ event_info->cb, event_info->user_data);
+
+ BT_DBG("-");
+}
+
+static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond, gpointer data)
+{
+ bt_event_info_t *event_info;
+ bluetooth_rfcomm_received_data_t data_r;
+ rfcomm_client_conn_info_t *conn_info;
+
+ int fd;
+ gsize len = 0;
+ char *buffer;
+ GError *err = NULL;
+ GIOStatus status = G_IO_STATUS_NORMAL;
+
+ BT_DBG("+");
+
+ fd = g_io_channel_unix_get_fd(chan);
+ if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
+ BT_ERR_C("RFComm Client disconnected: %d", fd);
+ goto fail;
+ }
+
+ buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
+ status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
+ &len, &err);
+ if (status != G_IO_STATUS_NORMAL) {
+ BT_ERR("IO Channel read is failed with %d", status);
+ g_free(buffer);
+ if (err) {
+ BT_ERR("IO Channel read error [%s]", err->message);
+ if (status == G_IO_STATUS_ERROR &&
+ __is_error_by_disconnect(err)) {
+ BT_ERR("cond : %d", cond);
+ g_error_free(err);
+ goto fail;
+ }
+ g_error_free(err);
+ }
+
+ return TRUE;
+ }
+
+ if (len == 0) {
+ BT_ERR("Length is zero, remote end hang up");
+ goto fail;
+ }
+
+ BT_DBG("fd: %d, len: %d, buffer: %s", fd, len, buffer);
+
+ event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
+ if (event_info == NULL) {
+ BT_INFO("event_info == NULL");
+ g_free(buffer);
+ return TRUE;
+ }
+
+ data_r.socket_fd = fd;
+ data_r.buffer_size = len;
+ data_r.buffer = buffer;
+
+ _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
+ BLUETOOTH_ERROR_NONE, &data_r,
+ event_info->cb, event_info->user_data);
+
+ g_free(buffer);
+ return TRUE;
+
+fail:
+ conn_info = __find_rfcomm_conn_info_with_fd(fd);
+ if (conn_info) {
+ __bt_rfcomm_client_disconnected(conn_info);
+ __rfcomm_remove_client_conn_info_t(conn_info);
+ } else {
+ BT_ERR("RFCOMM client conn_info not found");
+ }
+ return FALSE;
+}
+
+static void __rfcomm_client_connection_create_watch(rfcomm_client_conn_info_t *conn_info)
+{
+ GIOChannel *data_io;
+
+ ret_if(NULL == conn_info);
+
+ BT_DBG("+");
+
+ data_io = g_io_channel_unix_new(conn_info->sock_fd);
+ g_io_channel_set_encoding(data_io, NULL, NULL);
+ g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
+ conn_info->watch_id = g_io_add_watch(data_io,
+ G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
+ __client_data_received_cb, NULL);
+ g_io_channel_unref(data_io);
+
+ BT_DBG("-");
+}
+
+static void __bt_rfcomm_handle_new_client_connection(bluetooth_rfcomm_connection_t *info)
+{
+ rfcomm_client_conn_info_t *conn_info;
+
+ ret_if(NULL == info);
+
+ BT_DBG("+");
+
+ conn_info = g_malloc0(sizeof(rfcomm_client_conn_info_t));
+ conn_info->remote_addr = g_malloc0(BT_ADDRESS_STRING_SIZE);
+ _bt_convert_addr_type_to_string(
+ conn_info->remote_addr, info->device_addr.addr);
+ conn_info->uuid = g_strdup(info->uuid);
+ conn_info->sock_fd = info->socket_fd;
+
+ BT_DBG("Address:%s, UUID:%s Socket: %d",
+ conn_info->remote_addr, conn_info->uuid, conn_info->sock_fd);
+
+ rfcomm_clients = g_slist_append(rfcomm_clients, conn_info);
+ __rfcomm_client_connection_create_watch(conn_info);
+
+ BT_DBG("-");
+}
+
+static void __bt_fill_garray_from_variant(GVariant *var, GArray *param)
+{
+ char *data;
+ int size;
+
+ size = g_variant_get_size(var);
+ if (size > 0) {
+ data = (char *)g_variant_get_data(var);
+ if (data)
+ param = g_array_append_vals(param, data, size);
+
+ }
+}
+
+
+/* TODO_40 : 4.0 merge */
+/* Don't use this function directly. Instead of it, get the out parameter only */
+static void __bt_get_event_info(int service_function, GArray *output,
+ int *event, int *event_type, void **param_data)
+{
+ ret_if(event == NULL);
+
+ BT_DBG("service_function : %s (0x%x)",
+ _bt_convert_service_function_to_string(service_function),
+ service_function);
+ switch (service_function) {
+ case BT_RFCOMM_CLIENT_CONNECT:
+ *event_type = BT_RFCOMM_CLIENT_EVENT;
+ *event = BLUETOOTH_EVENT_RFCOMM_CONNECTED;
+ ret_if(output == NULL);
+ *param_data = &g_array_index(output,
+ bluetooth_rfcomm_connection_t, 0);
+ break;
+ default:
+ BT_ERR("Unknown function");
+ return;
+ }
+}
+
+
+static void __async_req_cb_with_unix_fd_list(GDBusProxy *proxy, GAsyncResult *res, gpointer user_data)
+{
+ int result = BLUETOOTH_ERROR_NONE;
+ int event_type = BT_ADAPTER_EVENT;
+ bt_req_info_t *cb_data = user_data;
+ bluetooth_event_param_t bt_event;
+
+ GError *error = NULL;
+ GVariant *value;
+ GVariant *param1;
+ GArray *out_param1 = NULL;
+ GUnixFDList *out_fd_list = NULL;
+
+ BT_DBG("+");
+
+ memset(&bt_event, 0x00, sizeof(bluetooth_event_param_t));
+
+ value = g_dbus_proxy_call_with_unix_fd_list_finish(proxy, &out_fd_list, res, &error);
+ if (value == NULL) {
+ if (error) {
+ /* dBUS gives error cause */
+ BT_ERR("D-Bus API failure: message[%s]",
+ error->message);
+ g_clear_error(&error);
+ }
+ result = BLUETOOTH_ERROR_TIMEOUT;
+
+ ret_if(cb_data == NULL);
+
+ __bt_get_event_info(cb_data->service_function, NULL,
+ &bt_event.event, &event_type,
+ &bt_event.param_data);
+ goto failed;
+ }
+
+ g_variant_get(value, "(iv)", &result, ¶m1);
+ g_variant_unref(value);
+
+ if (param1) {
+ out_param1 = g_array_new(TRUE, TRUE, sizeof(gchar));
+ __bt_fill_garray_from_variant(param1, out_param1);
+ g_variant_unref(param1);
+ }
+
+ if (!cb_data)
+ goto done;
+
+ __bt_get_event_info(cb_data->service_function, out_param1,
+ &bt_event.event, &event_type,
+ &bt_event.param_data);
+
+ if (result == BLUETOOTH_ERROR_NONE && out_param1) {
+ if (BT_RFCOMM_CLIENT_CONNECT == cb_data->service_function) {
+ int *fd_list_array;
+ int len = 0;
+ bluetooth_rfcomm_connection_t *conn_info;
+
+ conn_info = (bluetooth_rfcomm_connection_t *)bt_event.param_data;
+ if (!out_fd_list) {
+ BT_ERR("out_fd_list is NULL");
+ goto failed;
+ }
+
+ fd_list_array = g_unix_fd_list_steal_fds(out_fd_list, &len);
+ BT_INFO("Num fds in fd_list is : %d, fd_list[0]: %d", len, fd_list_array[0]);
+ conn_info->socket_fd = fd_list_array[0];
+
+ BT_DBG("conn_info->socket_fd: %d", conn_info->socket_fd);
+ __bt_rfcomm_handle_new_client_connection(conn_info);
+
+ if (cb_data->cb != NULL) {
+ /* Send client connected event */
+ bt_event.result = result;
+ BT_INFO("event_type[%d], result=[%d]", event_type, result);
+ ((bluetooth_cb_func_ptr)cb_data->cb)(
+ bt_event.event, &bt_event, cb_data->user_data);
+ }
+
+ g_free(fd_list_array);
+ g_object_unref(out_fd_list);
+ }
+ goto done;
+ }
+
+failed:
+ if (cb_data->cb == NULL)
+ goto done;
+
+ /* Only if fail case, call the callback function*/
+ bt_event.result = result;
+
+ BT_INFO("event_type[%d], result=[%d]", event_type, result);
+ if (event_type == BT_RFCOMM_CLIENT_EVENT) {
+ ((bluetooth_cb_func_ptr)cb_data->cb)(bt_event.event,
+ &bt_event, cb_data->user_data);
+ } else {
+ BT_INFO("Not handled event type : %d", event_type);
+ }
+done:
+ if (out_param1)
+ g_array_free(out_param1, TRUE);
+
+ g_free(cb_data);
+ BT_DBG("-");
+}
+#endif
BT_EXPORT_API int bluetooth_rfcomm_connect(
const bluetooth_device_address_t *remote_bt_address,
int id, object_id;
char *path;
- if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
+ if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
== BLUETOOTH_ERROR_PERMISSION_DEINED) {
BT_ERR("Don't have a privilege to use this API");
return BLUETOOTH_ERROR_PERMISSION_DEINED;
object_id = _bt_register_new_conn(path, new_connection);
if (object_id < 0) {
__rfcomm_delete_id(id);
+ g_free(path);
return BLUETOOTH_ERROR_INTERNAL;
}
/* In now, we only support to connecty using UUID */
connect_type = BT_RFCOMM_UUID;
- if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
+ if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_CLIENT_CONNECT)
== BLUETOOTH_ERROR_PERMISSION_DEINED) {
BT_ERR("Don't have a privilege to use this API");
return BLUETOOTH_ERROR_PERMISSION_DEINED;
g_array_append_vals(in_param3, &connect_type, sizeof(int));
- result = _bt_send_request_async(BT_BLUEZ_SERVICE,
+ result = _bt_send_request_async_with_unix_fd_list(BT_BLUEZ_SERVICE,
BT_RFCOMM_CLIENT_CONNECT,
in_param1, in_param2,
in_param3, in_param4,
- user_info->cb, user_info->user_data);
+ user_info->cb, user_info->user_data,
+ NULL, (GAsyncReadyCallback)__async_req_cb_with_unix_fd_list);
BT_DBG("result: %x", result);
BT_EXPORT_API int bluetooth_rfcomm_client_is_connected(const bluetooth_device_address_t *device_address, gboolean *connected)
{
+#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
GSList *l;
GSList *conn_list = NULL;
rfcomm_cb_data_t *client_info;
}
return BLUETOOTH_ERROR_NONE;
+#else
+ GSList *l;
+ char address[BT_ADDRESS_STRING_SIZE] = { 0 };
+
+ BT_CHECK_PARAMETER(device_address, return);
+ BT_CHECK_PARAMETER(connected, return);
+
+ BT_DBG("+");
+
+ *connected = FALSE;
+ _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
+ BT_INFO("Client address: [%s]", address);
+
+ for (l = rfcomm_clients; l != NULL; l = l->next) {
+ rfcomm_client_conn_info_t *info = l->data;
+
+ if (info && !strncasecmp(info->remote_addr, address, BT_ADDRESS_STRING_SIZE)) {
+ BT_INFO("Match found");
+ *connected = TRUE;
+ return BLUETOOTH_ERROR_NONE;
+ }
+ }
+
+ BT_DBG("-");
+ return BLUETOOTH_ERROR_NONE;
+#endif
}
BT_EXPORT_API gboolean bluetooth_rfcomm_is_client_connected(void)
BT_CHECK_ENABLED(return);
- if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_DISCONNECT)
+ if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
== BLUETOOTH_ERROR_PERMISSION_DEINED) {
BT_ERR("Don't have a privilege to use this API");
return BLUETOOTH_ERROR_PERMISSION_DEINED;
conn_info->disconnected = TRUE;
BT_INFO("conn_info %s", conn_info->bt_addr);
- _bt_disconnect_profile(conn_info->bt_addr, info->uuid, NULL, NULL);
+ _bt_disconnect_ext_profile(conn_info->bt_addr, info->obj_path);
if (info->idle_id == 0)
info->idle_id = g_idle_add(__rfcomm_client_disconnect, info);
return BLUETOOTH_ERROR_NONE;
#else
- int result;
- int service_function;
+ rfcomm_client_conn_info_t *conn_info;
- BT_CHECK_ENABLED(return);
+ BT_INFO_C("<<<<<<<<< RFCOMM Disconnect request from app >>>>>>>>");
- BT_INIT_PARAMS();
- BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+ BT_CHECK_ENABLED(return);
+ retv_if(socket_fd < 0, BLUETOOTH_ERROR_INVALID_PARAM);
- /* Support the OSP */
- if (socket_fd == -1) {
- /* Cancel connect */
- service_function = BT_RFCOMM_CLIENT_CANCEL_CONNECT;
- } else {
- g_array_append_vals(in_param1, &socket_fd, sizeof(int));
- service_function = BT_RFCOMM_SOCKET_DISCONNECT;
+ if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_DISCONNECT)
+ == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+ BT_ERR("Don't have a privilege to use this API");
+ return BLUETOOTH_ERROR_PERMISSION_DEINED;
}
- result = _bt_send_request(BT_BLUEZ_SERVICE, service_function,
- in_param1, in_param2, in_param3, in_param4, &out_param);
+ BT_DBG("FD %d", socket_fd);
- BT_DBG("result: %x", result);
+ conn_info = __find_rfcomm_conn_info_with_fd(socket_fd);
+ if (conn_info == NULL) {
+ BT_DBG("Could not find in client, so check in server");
+ /* Check for fd in server list and perform the disconnection if present */
+ return bluetooth_rfcomm_server_disconnect(socket_fd);
+ }
- BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+ if (conn_info->watch_id <= 0) {
+ BT_ERR("Invalid state");
+ return BLUETOOTH_ERROR_NOT_CONNECTED;
+ }
- return result;
+ /*
+ * Just close socket here and return. Socket close will be detected via I/O watch
+ * and disconnection event as well as info cleanup will be performed there.
+ */
+ close(conn_info->sock_fd);
+
+ return BLUETOOTH_ERROR_NONE;
#endif
}
+#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
+#else
+static int __write_all(int fd, const char *buf, int len)
+{
+ int sent = 0, try = 0;
+
+ BT_DBG("+");
+ while (len > 0) {
+ int written;
+
+ written = write(fd, buf, len);
+ BT_DBG("written: %d", written);
+ if (written < 0) {
+ if (errno == EINTR || errno == EAGAIN) {
+ try++;
+ if (try <= 49)
+ continue;
+ }
+ return -1;
+ }
+
+ if (!written)
+ return 0;
+
+ len -= written;
+ buf += written;
+ sent += written;
+ try = 0;
+ }
+
+ BT_DBG("-");
+ return sent;
+}
+#endif
+
BT_EXPORT_API int bluetooth_rfcomm_write(int fd, const char *buf, int length)
{
#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
int written;
-#else
- char *buffer;
#endif
int result;
+#ifndef TIZEN_FEATURE_BT_RFCOMM_DIRECT
+ BT_CHECK_ENABLED(return);
+#endif
BT_CHECK_PARAMETER(buf, return);
if (fd < 0) {
BT_ERR("Invalid FD");
return BLUETOOTH_ERROR_INVALID_PARAM;
}
-#ifndef TIZEN_FEATURE_BT_RFCOMM_DIRECT
- BT_CHECK_ENABLED(return);
-#endif
- retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
+ BT_DBG("FD : %d", fd);
-#ifdef TIZEN_FEATURE_BT_DPM
- if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
- _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
- BT_ERR("Not allow to write RFCOMM data");
- return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
- }
-#endif
+ retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
-#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
switch (privilege_token) {
case 0:
- result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE);
+ result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_RFCOMM_SOCKET_WRITE);
if (result == BLUETOOTH_ERROR_NONE) {
privilege_token = 1; /* Have a permission */
return BLUETOOTH_ERROR_INTERNAL;
}
+ if (bluetooth_get_battery_monitor_state()) {
+ int ret = _bt_common_send_rfcomm_tx_details(length);
+ if (ret != BLUETOOTH_ERROR_NONE)
+ BT_ERR("RFCOMM tx data could not be sent");
+ }
+
+#ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
written = write(fd, buf, length);
/*BT_DBG("Length %d, written = %d, balance(%d)",
- length, written, length - written); */
+ length, written, length - written); */
return written;
#else
- BT_INIT_PARAMS();
- BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
-
- buffer = g_malloc0(length + 1);
-
- memcpy(buffer, buf, length);
-
- g_array_append_vals(in_param1, &fd, sizeof(int));
- g_array_append_vals(in_param2, &length, sizeof(int));
- g_array_append_vals(in_param3, buffer, length);
-
- result = _bt_send_request(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE,
- in_param1, in_param2, in_param3, in_param4, &out_param);
-
- BT_DBG("result: %x", result);
-
- BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
-
- g_free(buffer);
-
+ result = __write_all(fd, buf, length);
return result;
#endif
}
-