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Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/pwrite.c')
-rw-r--r--sysdeps/unix/sysv/linux/arm/pwrite.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/pwrite.c b/sysdeps/unix/sysv/linux/arm/pwrite.c
new file mode 100644
index 0000000000..dfbabda82c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/pwrite.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ 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>
+
+ssize_t
+__libc_pwrite (fd, buf, count, offset)
+ int fd;
+ const void *buf;
+ size_t count;
+ off_t offset;
+{
+ ssize_t result;
+
+ if (SINGLE_THREAD_P)
+ {
+ /* In the ARM EABI, 64-bit values are aligned to even/odd register
+ pairs for syscalls. */
+ result = INLINE_SYSCALL (pwrite64, 6, fd, buf, count, 0,
+ __LONG_LONG_PAIR (offset >> 31, offset));
+
+ return result;
+ }
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ /* In the ARM EABI, 64-bit values are aligned to even/odd register
+ pairs for syscalls. */
+ result = INLINE_SYSCALL (pwrite64, 6, fd, buf, count, 0,
+ __LONG_LONG_PAIR (offset >> 31, offset));
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+}
+
+strong_alias (__libc_pwrite, __pwrite)
+weak_alias (__libc_pwrite, pwrite)