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/* glib-unix.h - Unix specific integration
* Copyright (C) 2011 Red Hat, Inc.
*
* 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/>.
*/
#ifndef __G_UNIX_H__
#define __G_UNIX_H__
/* We need to include the UNIX headers needed to use the APIs below,
* but we also take this opportunity to include a wide selection of
* other UNIX headers. If one of the headers below is broken on some
* system, work around it here (or better, fix the system or tell
* people to use a better one).
*/
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <fcntl.h>
#include <glib.h>
#ifndef G_OS_UNIX
#error "This header may only be used on UNIX"
#endif
G_BEGIN_DECLS
/**
* G_UNIX_ERROR:
*
* Error domain for API in the g_unix_ namespace. Note that there is no
* exported enumeration mapping %errno. Instead, all functions ensure that
* %errno is relevant. The code for all #G_UNIX_ERROR is always 0, and the
* error message is always generated via g_strerror().
*
* It is expected that most code will not look at %errno from these APIs.
* Important cases where one would want to differentiate between errors are
* already covered by existing cross-platform GLib API, such as e.g. #GFile
* wrapping `ENOENT`. However, it is provided for completeness, at least.
*/
#define G_UNIX_ERROR (g_unix_error_quark())
GLIB_AVAILABLE_IN_2_30
GQuark g_unix_error_quark (void);
GLIB_AVAILABLE_IN_2_30
gboolean g_unix_open_pipe (gint *fds,
gint flags,
GError **error);
GLIB_AVAILABLE_IN_2_30
gboolean g_unix_set_fd_nonblocking (gint fd,
gboolean nonblock,
GError **error);
GLIB_AVAILABLE_IN_2_30
GSource *g_unix_signal_source_new (gint signum);
GLIB_AVAILABLE_IN_2_30
guint g_unix_signal_add_full (gint priority,
gint signum,
GSourceFunc handler,
gpointer user_data,
GDestroyNotify notify);
GLIB_AVAILABLE_IN_2_30
guint g_unix_signal_add (gint signum,
GSourceFunc handler,
gpointer user_data);
/**
* GUnixFDSourceFunc:
* @fd: the fd that triggered the event
* @condition: the IO conditions reported on @fd
* @user_data: user data passed to g_unix_fd_add()
*
* The type of functions to be called when a UNIX fd watch source
* triggers.
*
* Returns: %FALSE if the source should be removed
**/
typedef gboolean (*GUnixFDSourceFunc) (gint fd,
GIOCondition condition,
gpointer user_data);
GLIB_AVAILABLE_IN_2_36
GSource *g_unix_fd_source_new (gint fd,
GIOCondition condition);
GLIB_AVAILABLE_IN_2_36
guint g_unix_fd_add_full (gint priority,
gint fd,
GIOCondition condition,
GUnixFDSourceFunc function,
gpointer user_data,
GDestroyNotify notify);
GLIB_AVAILABLE_IN_2_36
guint g_unix_fd_add (gint fd,
GIOCondition condition,
GUnixFDSourceFunc function,
gpointer user_data);
G_END_DECLS
#endif /* __G_UNIX_H__ */
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