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Diffstat (limited to 'sysdeps/mach/hurd/sendfile64.c')
-rw-r--r--sysdeps/mach/hurd/sendfile64.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/mach/hurd/sendfile64.c b/sysdeps/mach/hurd/sendfile64.c
deleted file mode 100644
index 0b3d156c28..0000000000
--- a/sysdeps/mach/hurd/sendfile64.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* sendfile -- copy data directly from one file descriptor to another
- Copyright (C) 2002-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C 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.
-
- The GNU C 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 the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sys/sendfile.h>
-#include <hurd.h>
-#include <hurd/fd.h>
-#include <sys/mman.h>
-
-/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to
- descriptor OUT_FD. */
-ssize_t
-sendfile64 (int out_fd, int in_fd, off64_t *offset, size_t count)
-{
- /* We just do a vanilla io_read followed by a vanilla io_write here.
- In theory the IN_FD filesystem can return us out-of-line data that
- we then send out-of-line to the OUT_FD filesystem and no copying
- takes place until those pages need to be flushed or packaged by
- that filesystem (e.g. packetized by a network socket). However,
- we momentarily consume COUNT bytes of our local address space,
- which might blow if it's huge or address space is real tight. */
-
- char *data = 0;
- size_t datalen = 0;
- error_t err = HURD_DPORT_USE (in_fd,
- __io_read (port, &data, &datalen,
- offset ? *offset : (off_t) -1,
- count));
- if (err == 0)
- {
- size_t nwrote;
- if (datalen == 0)
- return 0;
- err = HURD_DPORT_USE (out_fd, __io_write (port, data, datalen,
- (off_t) -1, &nwrote));
- munmap (data, datalen);
- if (err == 0)
- {
- if (offset)
- *offset += datalen;
- return nwrote;
- }
- }
- return __hurd_fail (err);
-}