[1/8] Consolidate Linux close syscall generation

Message ID 1494257212-524-1-git-send-email-adhemerval.zanella@linaro.org
State New
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  • [1/8] Consolidate Linux close syscall generation
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Adhemerval Zanella May 8, 2017, 3:26 p.m.
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.
---
 ChangeLog                       |  5 +++++
 nptl/Makefile                   |  1 +
 sysdeps/unix/sysv/linux/close.c | 30 ++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 sysdeps/unix/sysv/linux/close.c

-- 
2.7.4

Comments

Andreas Schwab May 11, 2017, 2:48 p.m. | #1
On Mai 08 2017, Adhemerval Zanella <adhemerval.zanella@linaro.org> wrote:

> 	* nptl/Makefile (CFLAGS-close.c): New flag.

> 	* sysdeps/unix/sysv/linux/close.c: New file.


Ok.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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diff --git a/nptl/Makefile b/nptl/Makefile
index 6d48c0c..8251ac4 100644
--- 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
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)