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ea18312ed0
This is essentially the same as glnx_steal_fd, so make glnx_steal_fd an alias for it. The unit test is taken from GLib, slightly modified to avoid g_close() and also test the old name glnx_steal_fd(). Signed-off-by: Simon McVittie <smcv@collabora.com>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2012,2015 Colin Walters <walters@verbum.org>.
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* SPDX-License-Identifier: LGPL-2.0-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#include <gio/gio.h>
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#include <errno.h>
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#include "glnx-backports.h"
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G_BEGIN_DECLS
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/**
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* glnx_unref_object:
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*
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* Call g_object_unref() on a variable location when it goes out of
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* scope. Note that unlike g_object_unref(), the variable may be
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* %NULL.
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*/
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#define glnx_unref_object __attribute__ ((cleanup(glnx_local_obj_unref)))
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static inline void
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glnx_local_obj_unref (void *v)
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{
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GObject *o = *(GObject **)v;
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if (o)
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g_object_unref (o);
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}
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#define glnx_unref_object __attribute__ ((cleanup(glnx_local_obj_unref)))
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/* Backwards-compat with older libglnx */
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#define glnx_steal_fd g_steal_fd
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/**
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* glnx_close_fd:
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* @fdp: Pointer to fd
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*
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* Effectively `close (g_steal_fd (&fd))`. Also
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* asserts that `close()` did not raise `EBADF` - encountering
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* that error is usually a critical bug in the program.
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*/
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static inline void
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glnx_close_fd (int *fdp)
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{
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int errsv;
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g_assert (fdp);
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int fd = g_steal_fd (fdp);
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if (fd >= 0)
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{
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errsv = errno;
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if (close (fd) < 0)
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g_assert (errno != EBADF);
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errno = errsv;
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}
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}
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/**
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* glnx_fd_close:
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*
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* Deprecated in favor of `glnx_autofd`.
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*/
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#define glnx_fd_close __attribute__((cleanup(glnx_close_fd)))
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/**
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* glnx_autofd:
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*
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* Call close() on a variable location when it goes out of scope.
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*/
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#define glnx_autofd __attribute__((cleanup(glnx_close_fd)))
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G_END_DECLS
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