| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| /** |
| * @file sys/sendfile.h |
| * @brief The sendfile() function. |
| */ |
| |
| #include <sys/cdefs.h> |
| #include <sys/types.h> |
| |
| __BEGIN_DECLS |
| |
| /* See https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md */ |
| #if defined(__USE_FILE_OFFSET64) |
| ssize_t sendfile(int __out_fd, int __in_fd, off_t* __offset, size_t __count) __RENAME(sendfile64) __INTRODUCED_IN(21); |
| #else |
| /** |
| * [sendfile(2)](http://man7.org/linux/man-pages/man2/sendfile.2.html) copies data directly |
| * between two file descriptors. |
| * |
| * Returns the number of bytes copied on success, and returns -1 and sets `errno` on failure. |
| * |
| * Available since API level 21. |
| */ |
| ssize_t sendfile(int __out_fd, int __in_fd, off_t* __offset, size_t __count); |
| #endif |
| |
| /** |
| * Like sendfile() but allows using a 64-bit offset |
| * even from a 32-bit process without `__FILE_OFFSET_BITS=64`. |
| */ |
| ssize_t sendfile64(int __out_fd, int __in_fd, off64_t* __offset, size_t __count) __INTRODUCED_IN(21); |
| |
| __END_DECLS |
