From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id 261C239DC4CB; Thu, 4 Mar 2021 11:29:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 261C239DC4CB Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/y2038] linux: Add pwrite64_nocancel X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/y2038 X-Git-Oldrev: cd92f882dcae98211ceeedbcf85394d40e874e6c X-Git-Newrev: 1c36bc1ca1404231a89c23a8f49a1cc62f8eea41 Message-Id: <20210304112937.261C239DC4CB@sourceware.org> Date: Thu, 4 Mar 2021 11:29:37 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Mar 2021 11:29:37 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1c36bc1ca1404231a89c23a8f49a1cc62f8eea41 commit 1c36bc1ca1404231a89c23a8f49a1cc62f8eea41 Author: Adhemerval Zanella Date: Tue Aug 4 14:29:47 2020 -0300 linux: Add pwrite64_nocancel It is not used internally yet. Diff: --- sysdeps/unix/sysv/linux/Makefile | 2 +- sysdeps/unix/sysv/linux/not-cancel.h | 4 ++++ sysdeps/unix/sysv/linux/pwrite64_nocancel.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 34 insertions(+), 1 deletion(-) diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index b5d785e083..49934b26b4 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -278,7 +278,7 @@ sysdep_routines += xstatconv internal_statvfs \ close_nocancel fcntl_nocancel \ open_nocancel open64_nocancel \ openat_nocancel openat64_nocancel \ - read_nocancel pread64_nocancel \ + read_nocancel pread64_nocancel pwrite64_nocancel \ write_nocancel statx_cp stat_t64_cp sysdep_headers += bits/fcntl-linux.h diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h index f06d57426a..27bb3811af 100644 --- a/sysdeps/unix/sysv/linux/not-cancel.h +++ b/sysdeps/unix/sysv/linux/not-cancel.h @@ -46,6 +46,9 @@ __typeof (__read) __read_nocancel; /* Non cancellable pread syscall (LFS version). */ __typeof (__pread64) __pread64_nocancel; +/* Non cancellable pwrite syscall (LFS version). */ +__typeof (__pwrite64) __pwrite64_nocancel; + /* Uncancelable write. */ __typeof (__write) __write_nocancel; @@ -78,6 +81,7 @@ hidden_proto (__openat_nocancel) hidden_proto (__openat64_nocancel) hidden_proto (__read_nocancel) hidden_proto (__pread64_nocancel) +hidden_proto (__pwrite64_nocancel) hidden_proto (__write_nocancel) hidden_proto (__close_nocancel) hidden_proto (__fcntl64_nocancel) diff --git a/sysdeps/unix/sysv/linux/pwrite64_nocancel.c b/sysdeps/unix/sysv/linux/pwrite64_nocancel.c new file mode 100644 index 0000000000..06d0ae14d0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/pwrite64_nocancel.c @@ -0,0 +1,29 @@ +/* Linux pwrite64() syscall implementation -- non-cancellable. + Copyright (C) 2020 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 + . */ + +#include +#include +#include + +ssize_t +__pwrite64_nocancel (int fd, const void *buf, size_t count, off64_t offset) +{ + return INLINE_SYSCALL_CALL (pwrite64, fd, buf, count, + SYSCALL_LL64_PRW (offset)); +} +hidden_def (__pwrite64_nocancel)