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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c')
-rw-r--r--ports/sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c
new file mode 100644
index 0000000000..1afc13d245
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/pwrite64.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+ Based on work contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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 <errno.h>
+#include <endian.h>
+#include <unistd.h>
+
+#include <sysdep-cancel.h>
+#include <sys/syscall.h>
+
+#include <kernel-features.h>
+
+static ssize_t
+do_pwrite64 (int fd, const void *buf, size_t count, off64_t offset)
+{
+ return INLINE_SYSCALL (pwrite64, __ALIGNMENT_COUNT (5, 6), fd,
+ buf, count, __ALIGNMENT_ARG
+ __LONG_LONG_PAIR ((off_t) (offset >> 32),
+ (off_t) (offset & 0xffffffff)));
+}
+
+
+ssize_t
+__libc_pwrite64 (fd, buf, count, offset)
+ int fd;
+ const void *buf;
+ size_t count;
+ off64_t offset;
+{
+ if (SINGLE_THREAD_P)
+ return do_pwrite64 (fd, buf, count, offset);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ ssize_t result = do_pwrite64 (fd, buf, count, offset);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+}
+
+weak_alias (__libc_pwrite64, __pwrite64)
+libc_hidden_weak (__pwrite64) weak_alias (__libc_pwrite64, pwrite64)