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posix: Consolidate Linux msync syscall

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This patch consolidates the msync Linux syscall generation on
sysdeps/unix/sysv/linux/msync.c.  It basically removes it from
architectures auto-generation list.

Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
arch64-linux-gnu, arm-linux-gnueabihf, powerpc64le-linux-gnu,
sparc64-linux-gnu, and sparcv9-linux-gnu.

	* misc/Makefile (CFLAGS-msync.c): New rule.
	* nptl/Makefile (CFLAGS-msync.c): Likewise.
	* sysdeps/unix/syscalls.list: Remove msync from auto-generation list.
	* sysdeps/unix/sysv/linux/msync.c: New file.
This commit is contained in:
Adhemerval Zanella 2015-11-02 10:53:29 -02:00
parent b3b00aa8b0
commit 3c9399f507
5 changed files with 33 additions and 1 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2017-05-18 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* misc/Makefile (CFLAGS-msync.c): New rule.
* nptl/Makefile (CFLAGS-msync.c): Likewise.
* sysdeps/unix/syscalls.list: Remove msync from auto-generation list.
* sysdeps/unix/sysv/linux/msync.c: New file.
* sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Remove file.
* sysdeps/unix/sysv/linux/sigsuspend.c: Simplify include list.
* nptl/Makefile (CFLAGS-sigsuspend.c): New rule.

1
misc/Makefile
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@ -108,6 +108,7 @@ CFLAGS-getsysstats.c = -fexceptions
CFLAGS-getusershell.c = -fexceptions
CFLAGS-err.c = -fexceptions
CFLAGS-tst-tsearch.c = $(stack-align-test-flags)
CFLAGS-msync.c = -fexceptions -fasynchronous-unwind-tables
# Called during static library initialization, so turn stack-protection
# off for non-shared builds.

1
nptl/Makefile
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@ -218,6 +218,7 @@ CFLAGS-read.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-write.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-nanosleep.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigsuspend.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-msync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-pt-system.c = -fexceptions

1
sysdeps/unix/syscalls.list
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@ -45,7 +45,6 @@ madvise - madvise i:pii __madvise madvise
mkdir - mkdir i:si __mkdir mkdir
mmap - mmap b:aniiii __mmap mmap
mprotect - mprotect i:aii __mprotect mprotect
msync - msync Ci:aii __libc_msync msync
munmap - munmap i:ai __munmap munmap
open - open Ci:siv __libc_open __open open
profil - profil i:piii __profil profil

26
sysdeps/unix/sysv/linux/msync.c Normal file
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@ -0,0 +1,26 @@
/* Linux synchronize a file with a memory map 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 <sys/mman.h>
#include <sysdep-cancel.h>
int
msync (void *addr, size_t length, int flags)
{
return SYSCALL_CANCEL (msync, addr, length, flags);
}