Import Upstream version 2.72.4

gio/gioprivate.h

@@ -0,0 +1,62 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2013 Collabora Ltd.
+ *
+ * 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_IO_PRIVATE_H__
+#define __G_IO_PRIVATE_H__
+
+#include "ginputstream.h"
+#include "goutputstream.h"
+#include "gsocketconnection.h"
+#include "gsocketaddress.h"
+
+G_BEGIN_DECLS
+
+gboolean g_input_stream_async_read_is_via_threads (GInputStream *stream);
+gboolean g_input_stream_async_close_is_via_threads (GInputStream *stream);
+gboolean g_output_stream_async_write_is_via_threads (GOutputStream *stream);
+gboolean g_output_stream_async_writev_is_via_threads (GOutputStream *stream);
+gboolean g_output_stream_async_close_is_via_threads (GOutputStream *stream);
+
+void g_socket_connection_set_cached_remote_address (GSocketConnection *connection,
+                                                    GSocketAddress    *address);
+
+/* POSIX defines IOV_MAX/UIO_MAXIOV as the maximum number of iovecs that can
+ * be sent in one go. We define our own version of it here as there are two
+ * possible names, and also define a fall-back value if none of the constants
+ * are defined */
+#if defined(IOV_MAX)
+#define G_IOV_MAX IOV_MAX
+#elif defined(UIO_MAXIOV)
+#define G_IOV_MAX UIO_MAXIOV
+#elif defined(__APPLE__)
+/* For macOS/iOS, UIO_MAXIOV is documented in writev(2), but <sys/uio.h>
+ * only declares it if defined(KERNEL) */
+#define G_IOV_MAX 512
+#else
+/* 16 is the minimum value required by POSIX */
+#define G_IOV_MAX 16
+#endif
+
+/* The various functions taking iovecs as parameter use a plain int
+ * for the number of vectors. Limit it to G_MAXINT for this reason.
+ */
+G_STATIC_ASSERT (G_IOV_MAX <= G_MAXINT);
+
+G_END_DECLS
+
+#endif /* __G_IO_PRIVATE__ */