Import Upstream version 2.72.4

glib/glib-unix.h

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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);
+
+GLIB_AVAILABLE_IN_2_64
+struct passwd *g_unix_get_passwd_entry (const gchar  *user_name,
+                                        GError      **error);
+
+G_END_DECLS
+
+#endif  /* __G_UNIX_H__ */