mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2025-11-04 01:58:54 +01:00
c613d32b92
Add SPDX license (but not copyright) headers to all files which follow a certain pattern in their existing non-machine-readable header comment. This commit was entirely generated using the command: ``` git ls-files gio/tests/*.c | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs' ``` Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1415
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* Unix pipe-to-self. This is a utility module for tests, not a test.
|
|
*
|
|
* Copyright © 2008-2010 Red Hat, Inc.
|
|
* Copyright © 2011 Nokia Corporation
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General
|
|
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Author: Simon McVittie <simon.mcvittie@collabora.co.uk>
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include <gio/gio.h>
|
|
|
|
#include "test-io-stream.h"
|
|
#include "test-pipe-unix.h"
|
|
|
|
#ifdef G_OS_UNIX
|
|
# include <gio/gunixinputstream.h>
|
|
# include <gio/gunixoutputstream.h>
|
|
#else
|
|
# error This module only exists on Unix
|
|
#endif
|
|
|
|
/**
|
|
* test_pipe:
|
|
* @is: (out) (optional): used to return a #GInputStream
|
|
* @os: (out) (optional): used to return a #GOutputStream
|
|
* @error: used to raise an error
|
|
*
|
|
* Return a "pipe to self" connecting @is to @os. This can be used
|
|
* as a unidirectional pipe to or from a child process, for instance.
|
|
*
|
|
* See test_bidi_pipe() if you want to emulate a bidirectional pipe
|
|
* via a pair of unidirectional pipes.
|
|
*
|
|
* Returns: %TRUE on success
|
|
*/
|
|
gboolean
|
|
test_pipe (GInputStream **is,
|
|
GOutputStream **os,
|
|
GError **error)
|
|
{
|
|
int pipefd[2];
|
|
int ret;
|
|
|
|
ret = pipe (pipefd);
|
|
|
|
if (ret != 0)
|
|
{
|
|
int e = errno;
|
|
|
|
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (e),
|
|
"%s", g_strerror (e));
|
|
return FALSE;
|
|
}
|
|
|
|
if (is != NULL)
|
|
*is = g_unix_input_stream_new (pipefd[0], TRUE);
|
|
else
|
|
close (pipefd[0]);
|
|
|
|
if (os != NULL)
|
|
*os = g_unix_output_stream_new (pipefd[1], TRUE);
|
|
else
|
|
close (pipefd[1]);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* test_bidi_pipe:
|
|
* @left: (out) (optional): used to return one #GIOStream
|
|
* @right: (out) (optional): used to return the other #GIOStream
|
|
* @error: used to raise an error
|
|
*
|
|
* Return two #GIOStreams connected to each other with pipes.
|
|
* The "left" input stream is connected by a unidirectional pipe
|
|
* to the "right" output stream, and vice versa. This can be used
|
|
* as a bidirectional pipe to a child process, for instance.
|
|
*
|
|
* See test_pipe() if you only need a one-way pipe.
|
|
*
|
|
* Returns: %TRUE on success
|
|
*/
|
|
gboolean
|
|
test_bidi_pipe (GIOStream **left,
|
|
GIOStream **right,
|
|
GError **error)
|
|
{
|
|
GInputStream *left_in = NULL;
|
|
GOutputStream *left_out = NULL;
|
|
GInputStream *right_in = NULL;
|
|
GOutputStream *right_out = NULL;
|
|
gboolean ret = FALSE;
|
|
|
|
if (!test_pipe (&left_in, &right_out, error))
|
|
goto out;
|
|
|
|
if (!test_pipe (&right_in, &left_out, error))
|
|
goto out;
|
|
|
|
if (left != NULL)
|
|
*left = test_io_stream_new (left_in, left_out);
|
|
|
|
if (right != NULL)
|
|
*right = test_io_stream_new (right_in, right_out);
|
|
|
|
ret = TRUE;
|
|
|
|
out:
|
|
g_clear_object (&left_in);
|
|
g_clear_object (&left_out);
|
|
g_clear_object (&right_in);
|
|
g_clear_object (&right_out);
|
|
return ret;
|
|
}
|