| /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ |
| /* dbus-pipe-unix.c unix related pipe implementation |
| * |
| * Copyright (C) 2002, 2003, 2006 Red Hat, Inc. |
| * Copyright (C) 2003 CodeFactory AB |
| * |
| * Licensed under the Academic Free License version 2.1 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #include <config.h> |
| #include "dbus-protocol.h" |
| #include "dbus-string.h" |
| #include "dbus-internals.h" |
| #include "dbus-pipe.h" |
| #include "dbus-sysdeps-unix.h" |
| |
| #include <errno.h> |
| |
| /** |
| * write data to a pipe. |
| * |
| * @param pipe the pipe instance |
| * @param buffer the buffer to write data from |
| * @param start the first byte in the buffer to write |
| * @param len the number of bytes to try to write |
| * @param error error return |
| * @returns the number of bytes written or -1 on error |
| */ |
| int |
| _dbus_pipe_write (DBusPipe *pipe, |
| const DBusString *buffer, |
| int start, |
| int len, |
| DBusError *error) |
| { |
| int written; |
| |
| written = _dbus_write (pipe->fd_or_handle, buffer, start, len); |
| if (written < 0) |
| { |
| dbus_set_error (error, DBUS_ERROR_FAILED, |
| "Writing to pipe: %s\n", |
| _dbus_strerror (errno)); |
| } |
| return written; |
| } |
| |
| /** |
| * close a pipe. |
| * |
| * @param pipe the pipe instance |
| * @param error return location for an error |
| * @returns -1 if error is set |
| */ |
| int |
| _dbus_pipe_close (DBusPipe *pipe, |
| DBusError *error) |
| { |
| if (!_dbus_close (pipe->fd_or_handle, error)) |
| { |
| return -1; |
| } |
| else |
| { |
| _dbus_pipe_invalidate (pipe); |
| return 0; |
| } |
| } |