2016-05-10 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ * include/unistd.h (write): Add hidden proto.
+ * io/Makefile (CFLAGS-write.c): New define.
+ * nptl/Makefile (CFLAGS-write.c): Likewise.
+ * sysdeps/unix/sysv/linux/write.c: New file.
+
[BZ #21428]
* include/unistd.h (read): Add hidden proto.
* io/Makefile (CFLAGS-read.c): New define.
libc_hidden_proto (read)
extern ssize_t __libc_write (int __fd, const void *__buf, size_t __n);
libc_hidden_proto (__libc_write)
+libc_hidden_proto (write)
extern int __pipe (int __pipedes[2]);
libc_hidden_proto (__pipe)
extern int __pipe2 (int __pipedes[2], int __flags);
CFLAGS-fallocate64.c = -fexceptions
CFLAGS-sync_file_range.c = -fexceptions
CFLAGS-read.c = -fexceptions
+CFLAGS-write.c = -fexceptions
CFLAGS-test-stat.c = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
CFLAGS-test-lfs.c = -D_LARGEFILE64_SOURCE
CFLAGS-sendmsg.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-close.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-read.c = -fexceptions -fasynchronous-unwind-tables
+CFLAGS-write.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-pt-system.c = -fexceptions
--- /dev/null
+/* Linux write syscall implementation.
+ Copyright (C) 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 <unistd.h>
+#include <sysdep-cancel.h>
+
+/* Write NBYTES of BUF to FD. Return the number written, or -1. */
+ssize_t
+__libc_write (int fd, const void *buf, size_t nbytes)
+{
+ return SYSCALL_CANCEL (write, fd, buf, nbytes);
+}
+libc_hidden_def (__libc_write)
+
+weak_alias (__libc_write, __write)
+libc_hidden_weak (__write)
+weak_alias (__libc_write, write)
+libc_hidden_weak (write)