Consolidate Linux close syscall generation

This patch consolidates the close Linux syscall generation on
sysdeps/unix/sysv/linux/close.c.

Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
arch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.

	* nptl/Makefile (CFLAGS-close.c): New flag.
	* sysdeps/unix/sysv/linux/close.c: New file.

diff --git a/ChangeLog b/ChangeLog
index 3afbbb506c9ec6337b5fd603251f0a37e5162c83..cc843be3010b49b0a6ac154d5803353f365cb5bd 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-10  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+       * nptl/Makefile (CFLAGS-close.c): New flag.
+       * sysdeps/unix/sysv/linux/close.c: New file.
+
 2017-05-11  DJ Delorie  <dj@redhat.com>
 
        * MAINTAINERS: New.  Points to wiki.

diff --git a/nptl/Makefile b/nptl/Makefile
index 6d48c0cfc8e672ca6ef7672f4f460d95fdadaa33..8251ac4d696fd5fa8259f90d7b17b3c72d758319 100644 (file)
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -213,6 +213,7 @@ CFLAGS-connect.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-recvfrom.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-recvmsg.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-sendmsg.c = -fexceptions -fasynchronous-unwind-tables
+CFLAGS-close.c = -fexceptions -fasynchronous-unwind-tables
 
 CFLAGS-pt-system.c = -fexceptions
 

diff --git a/sysdeps/unix/sysv/linux/close.c b/sysdeps/unix/sysv/linux/close.c
new file mode 100644 (file)
index 0000000..1ac71ce
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/close.c
@@ -0,0 +1,30 @@
+/* Linux close 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>
+
+/* Close the file descriptor FD.  */
+int
+__close (int fd)
+{
+  return SYSCALL_CANCEL (close, fd);
+}
+libc_hidden_def (__close)
+strong_alias (__close, __libc_close)
+weak_alias (__close, close)