| /* GIO - GLib Input, Output and Streaming Library |
| * |
| * Copyright (C) 2013 Collabora Ltd. |
| * |
| * 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/>. |
| */ |
| |
| #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__ */ |