From patchwork Thu Jun 3 23:16:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 1487514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=XKjHrEgL; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Fx2H14shmz9sRK for ; Fri, 4 Jun 2021 09:31:57 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 3E63639960C5 for ; Thu, 3 Jun 2021 23:31:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3E63639960C5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1622763115; bh=KCIa8/4pODTyz8TUrIKpyIO2vOqt84tKtM34fiwBDGM=; h=To:Subject:In-Reply-To:References:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=XKjHrEgL1FBBjXudo4TY7kb0FosHC3QXWZ/2NK8VN/RwpzRARQ967cP22QUICNdb9 i1kPZA1R51c0X9qkinHH0xd9B+qiqX2nr0+92IGjlhq9aGof1xzhzjaXBt7JRt5/49 9edzdCYevmIGJlY5C2XxZGjUz5nY9wKyG2NZ6L5A= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 84FD53990420 for ; Thu, 3 Jun 2021 23:16:30 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 84FD53990420 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-171-fKSH87dNPpubFYgWft7SIA-1; Thu, 03 Jun 2021 19:16:28 -0400 X-MC-Unique: fKSH87dNPpubFYgWft7SIA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id ADA498049C5 for ; Thu, 3 Jun 2021 23:16:27 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-113-228.ams2.redhat.com [10.36.113.228]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9FC2F5C232 for ; Thu, 3 Jun 2021 23:16:26 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH 19/35] rt: Rework lio_listio implementation In-Reply-To: References: X-From-Line: 2c539ea80218c166aa60cf117b72b7191fdf53c3 Mon Sep 17 00:00:00 2001 Message-Id: <2c539ea80218c166aa60cf117b72b7191fdf53c3.1622761828.git.fweimer@redhat.com> Date: Fri, 04 Jun 2021 01:16:24 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Florian Weimer via Libc-alpha From: Florian Weimer Reply-To: Florian Weimer Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" Move the common code into rt/lio_listio-common.c and include the file in both rt/lio_listio.c and rt/lio_listio64.c. The common code automatically defines both public symbols for __WORDSIZE == 64. --- rt/lio_listio-common.c | 275 ++++++++++++++++++ rt/lio_listio.c | 235 +-------------- rt/lio_listio64.c | 27 +- .../unix/sysv/linux/wordsize-64/lio_listio.c | 13 - .../sysv/linux/wordsize-64/lio_listio64.c | 1 - 5 files changed, 292 insertions(+), 259 deletions(-) create mode 100644 rt/lio_listio-common.c delete mode 100644 sysdeps/unix/sysv/linux/wordsize-64/lio_listio.c delete mode 100644 sysdeps/unix/sysv/linux/wordsize-64/lio_listio64.c diff --git a/rt/lio_listio-common.c b/rt/lio_listio-common.c new file mode 100644 index 0000000000..a85753823f --- /dev/null +++ b/rt/lio_listio-common.c @@ -0,0 +1,275 @@ +/* Enqueue and list of read or write requests. Common code template. + Copyright (C) 1997-2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + 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 + . */ + +/* The following macros must be defined before including this file: + + LIO_LISTIO The public symbol (lio_listio or lio_listio64). + AIOCB Struct tag used by LIO_LISTIO (aiocb or aiocb64). + LIO_LISTIO_OLD The internal symbol for the compat implementation. + LIO_LISTIO_NEW The internal symbol for the current implementation. + LIO_OPCODE_BASE Opcode shift for 64-bit version with 32-bit word size. + + For __WORDSIZE == 64, LIO_LISTIO must always be lio_listio, and + lio_listio64 is automatically defined as well. */ + +#include +#if __WORDSIZE == 64 +/* We use an UGLY hack to prevent gcc from finding us cheating. The + implementation of lio_listio and lio_listio64 are identical and so + we want to avoid code duplication by using aliases. But gcc sees + the different parameter lists and prints a warning. We define here + a function so that lio_listio64 has no prototype. */ +# define lio_listio64 XXX +# include +/* And undo the hack. */ +# undef lio_listio64 +#else +# include +#endif + +#include +#include +#include +#include + +#include + +#include + + +/* We need this special structure to handle asynchronous I/O. */ +struct async_waitlist + { + unsigned int counter; + struct sigevent sigev; + struct waitlist list[0]; + }; + + +/* The code in glibc 2.1 to glibc 2.4 issued only one event when all + requests submitted with lio_listio finished. The existing practice + is to issue events for the individual requests as well. This is + what the new code does. */ +#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4) +# define LIO_MODE(mode) ((mode) & 127) +# define NO_INDIVIDUAL_EVENT_P(mode) ((mode) & 128) +#else +# define LIO_MODE(mode) mode +# define NO_INDIVIDUAL_EVENT_P(mode) 0 +#endif + + +static int +lio_listio_internal (int mode, struct AIOCB *const list[], int nent, + struct sigevent *sig) +{ + struct sigevent defsigev; + struct requestlist *requests[nent]; + int cnt; + volatile unsigned int total = 0; + int result = 0; + + if (sig == NULL) + { + defsigev.sigev_notify = SIGEV_NONE; + sig = &defsigev; + } + + /* Request the mutex. */ + pthread_mutex_lock (&__aio_requests_mutex); + + /* Now we can enqueue all requests. Since we already acquired the + mutex the enqueue function need not do this. */ + for (cnt = 0; cnt < nent; ++cnt) + if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) + { + if (NO_INDIVIDUAL_EVENT_P (mode)) + list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE; + + requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt], + (list[cnt]->aio_lio_opcode + | LIO_OPCODE_BASE)); + + if (requests[cnt] != NULL) + /* Successfully enqueued. */ + ++total; + else + /* Signal that we've seen an error. `errno' and the error code + of the aiocb will tell more. */ + result = -1; + } + else + requests[cnt] = NULL; + + if (total == 0) + { + /* We don't have anything to do except signalling if we work + asynchronously. */ + + /* Release the mutex. We do this before raising a signal since the + signal handler might do a `siglongjmp' and then the mutex is + locked forever. */ + pthread_mutex_unlock (&__aio_requests_mutex); + + if (LIO_MODE (mode) == LIO_NOWAIT) + __aio_notify_only (sig); + + return result; + } + else if (LIO_MODE (mode) == LIO_WAIT) + { +#ifndef DONT_NEED_AIO_MISC_COND + pthread_cond_t cond = PTHREAD_COND_INITIALIZER; + int oldstate; +#endif + struct waitlist waitlist[nent]; + + total = 0; + for (cnt = 0; cnt < nent; ++cnt) + { + assert (requests[cnt] == NULL || list[cnt] != NULL); + + if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) + { +#ifndef DONT_NEED_AIO_MISC_COND + waitlist[cnt].cond = &cond; +#endif + waitlist[cnt].result = &result; + waitlist[cnt].next = requests[cnt]->waiting; + waitlist[cnt].counterp = &total; + waitlist[cnt].sigevp = NULL; + requests[cnt]->waiting = &waitlist[cnt]; + ++total; + } + } + +#ifdef DONT_NEED_AIO_MISC_COND + AIO_MISC_WAIT (result, total, NULL, 0); +#else + /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancellation + points we must be careful. We added entries to the waiting lists + which we must remove. So defer cancellation for now. */ + pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate); + + while (total > 0) + pthread_cond_wait (&cond, &__aio_requests_mutex); + + /* Now it's time to restore the cancellation state. */ + pthread_setcancelstate (oldstate, NULL); + + /* Release the conditional variable. */ + if (pthread_cond_destroy (&cond) != 0) + /* This must never happen. */ + abort (); +#endif + + /* If any of the I/O requests failed, return -1 and set errno. */ + if (result != 0) + { + __set_errno (result == EINTR ? EINTR : EIO); + result = -1; + } + } + else + { + struct async_waitlist *waitlist; + + waitlist = (struct async_waitlist *) + malloc (sizeof (struct async_waitlist) + + (nent * sizeof (struct waitlist))); + + if (waitlist == NULL) + { + __set_errno (EAGAIN); + result = -1; + } + else + { + total = 0; + + for (cnt = 0; cnt < nent; ++cnt) + { + assert (requests[cnt] == NULL || list[cnt] != NULL); + + if (requests[cnt] != NULL + && list[cnt]->aio_lio_opcode != LIO_NOP) + { +#ifndef DONT_NEED_AIO_MISC_COND + waitlist->list[cnt].cond = NULL; +#endif + waitlist->list[cnt].result = NULL; + waitlist->list[cnt].next = requests[cnt]->waiting; + waitlist->list[cnt].counterp = &waitlist->counter; + waitlist->list[cnt].sigevp = &waitlist->sigev; + requests[cnt]->waiting = &waitlist->list[cnt]; + ++total; + } + } + + waitlist->counter = total; + waitlist->sigev = *sig; + } + } + + /* Release the mutex. */ + pthread_mutex_unlock (&__aio_requests_mutex); + + return result; +} + + +#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4) +int +attribute_compat_text_section +LIO_LISTIO_OLD (int mode, struct AIOCB *const list[], int nent, + struct sigevent *sig) +{ + /* Check arguments. */ + if (mode != LIO_WAIT && mode != LIO_NOWAIT) + { + __set_errno (EINVAL); + return -1; + } + + return lio_listio_internal (mode | LIO_NO_INDIVIDUAL_EVENT, list, nent, sig); +} +compat_symbol (librt, LIO_LISTIO_OLD, LIO_LISTIO, GLIBC_2_1); +# if __WORDSIZE == 64 +compat_symbol (librt, LIO_LISTIO_OLD, lio_listio64, GLIBC_2_1); +# endif +#endif /* SHLIB_COMPAT */ + + +int +LIO_LISTIO_NEW (int mode, struct AIOCB *const list[], int nent, + struct sigevent *sig) +{ + /* Check arguments. */ + if (mode != LIO_WAIT && mode != LIO_NOWAIT) + { + __set_errno (EINVAL); + return -1; + } + + return lio_listio_internal (mode, list, nent, sig); +} +versioned_symbol (librt, LIO_LISTIO_NEW, LIO_LISTIO, GLIBC_2_4); +#if __WORDSIZE == 64 +versioned_symbol (librt, LIO_LISTIO_NEW, lio_listio64, GLIBC_2_4); +#endif diff --git a/rt/lio_listio.c b/rt/lio_listio.c index 2cab3c2254..bcc3bb1393 100644 --- a/rt/lio_listio.c +++ b/rt/lio_listio.c @@ -1,7 +1,6 @@ /* Enqueue and list of read or write requests. - Copyright (C) 1997-2021 Free Software Foundation, Inc. + Copyright (C) 2021 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Ulrich Drepper , 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,232 +16,10 @@ License along with the GNU C Library; if not, see . */ -#ifndef lio_listio -#include -#include -#include -#include -#include - -#include - +#define LIO_LISTIO lio_listio +#define AIOCB aiocb +#define LIO_LISTIO_OLD __lio_listio_21 +#define LIO_LISTIO_NEW __lio_listio_24 #define LIO_OPCODE_BASE 0 -#endif - -#include - - -/* We need this special structure to handle asynchronous I/O. */ -struct async_waitlist - { - unsigned int counter; - struct sigevent sigev; - struct waitlist list[0]; - }; - - -/* The code in glibc 2.1 to glibc 2.4 issued only one event when all - requests submitted with lio_listio finished. The existing practice - is to issue events for the individual requests as well. This is - what the new code does. */ -#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4) -# define LIO_MODE(mode) ((mode) & 127) -# define NO_INDIVIDUAL_EVENT_P(mode) ((mode) & 128) -#else -# define LIO_MODE(mode) mode -# define NO_INDIVIDUAL_EVENT_P(mode) 0 -#endif - - -static int -lio_listio_internal (int mode, struct aiocb *const list[], int nent, - struct sigevent *sig) -{ - struct sigevent defsigev; - struct requestlist *requests[nent]; - int cnt; - volatile unsigned int total = 0; - int result = 0; - - if (sig == NULL) - { - defsigev.sigev_notify = SIGEV_NONE; - sig = &defsigev; - } - - /* Request the mutex. */ - pthread_mutex_lock (&__aio_requests_mutex); - - /* Now we can enqueue all requests. Since we already acquired the - mutex the enqueue function need not do this. */ - for (cnt = 0; cnt < nent; ++cnt) - if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) - { - if (NO_INDIVIDUAL_EVENT_P (mode)) - list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE; - - requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt], - (list[cnt]->aio_lio_opcode - | LIO_OPCODE_BASE)); - - if (requests[cnt] != NULL) - /* Successfully enqueued. */ - ++total; - else - /* Signal that we've seen an error. `errno' and the error code - of the aiocb will tell more. */ - result = -1; - } - else - requests[cnt] = NULL; - - if (total == 0) - { - /* We don't have anything to do except signalling if we work - asynchronously. */ - - /* Release the mutex. We do this before raising a signal since the - signal handler might do a `siglongjmp' and then the mutex is - locked forever. */ - pthread_mutex_unlock (&__aio_requests_mutex); - - if (LIO_MODE (mode) == LIO_NOWAIT) - __aio_notify_only (sig); - - return result; - } - else if (LIO_MODE (mode) == LIO_WAIT) - { -#ifndef DONT_NEED_AIO_MISC_COND - pthread_cond_t cond = PTHREAD_COND_INITIALIZER; - int oldstate; -#endif - struct waitlist waitlist[nent]; - - total = 0; - for (cnt = 0; cnt < nent; ++cnt) - { - assert (requests[cnt] == NULL || list[cnt] != NULL); - - if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP) - { -#ifndef DONT_NEED_AIO_MISC_COND - waitlist[cnt].cond = &cond; -#endif - waitlist[cnt].result = &result; - waitlist[cnt].next = requests[cnt]->waiting; - waitlist[cnt].counterp = &total; - waitlist[cnt].sigevp = NULL; - requests[cnt]->waiting = &waitlist[cnt]; - ++total; - } - } - -#ifdef DONT_NEED_AIO_MISC_COND - AIO_MISC_WAIT (result, total, NULL, 0); -#else - /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancellation - points we must be careful. We added entries to the waiting lists - which we must remove. So defer cancellation for now. */ - pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate); - - while (total > 0) - pthread_cond_wait (&cond, &__aio_requests_mutex); - - /* Now it's time to restore the cancellation state. */ - pthread_setcancelstate (oldstate, NULL); - - /* Release the conditional variable. */ - if (pthread_cond_destroy (&cond) != 0) - /* This must never happen. */ - abort (); -#endif - - /* If any of the I/O requests failed, return -1 and set errno. */ - if (result != 0) - { - __set_errno (result == EINTR ? EINTR : EIO); - result = -1; - } - } - else - { - struct async_waitlist *waitlist; - - waitlist = (struct async_waitlist *) - malloc (sizeof (struct async_waitlist) - + (nent * sizeof (struct waitlist))); - - if (waitlist == NULL) - { - __set_errno (EAGAIN); - result = -1; - } - else - { - total = 0; - - for (cnt = 0; cnt < nent; ++cnt) - { - assert (requests[cnt] == NULL || list[cnt] != NULL); - - if (requests[cnt] != NULL - && list[cnt]->aio_lio_opcode != LIO_NOP) - { -#ifndef DONT_NEED_AIO_MISC_COND - waitlist->list[cnt].cond = NULL; -#endif - waitlist->list[cnt].result = NULL; - waitlist->list[cnt].next = requests[cnt]->waiting; - waitlist->list[cnt].counterp = &waitlist->counter; - waitlist->list[cnt].sigevp = &waitlist->sigev; - requests[cnt]->waiting = &waitlist->list[cnt]; - ++total; - } - } - - waitlist->counter = total; - waitlist->sigev = *sig; - } - } - - /* Release the mutex. */ - pthread_mutex_unlock (&__aio_requests_mutex); - - return result; -} - - -#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4) -int -attribute_compat_text_section -__lio_listio_21 (int mode, struct aiocb *const list[], int nent, - struct sigevent *sig) -{ - /* Check arguments. */ - if (mode != LIO_WAIT && mode != LIO_NOWAIT) - { - __set_errno (EINVAL); - return -1; - } - - return lio_listio_internal (mode | LIO_NO_INDIVIDUAL_EVENT, list, nent, sig); -} -compat_symbol (librt, __lio_listio_21, lio_listio, GLIBC_2_1); -#endif - - -int -__lio_listio_item_notify (int mode, struct aiocb *const list[], int nent, - struct sigevent *sig) -{ - /* Check arguments. */ - if (mode != LIO_WAIT && mode != LIO_NOWAIT) - { - __set_errno (EINVAL); - return -1; - } - return lio_listio_internal (mode, list, nent, sig); -} -versioned_symbol (librt, __lio_listio_item_notify, lio_listio, GLIBC_2_4); +#include "lio_listio-common.c" diff --git a/rt/lio_listio64.c b/rt/lio_listio64.c index 111c883a2f..597bf733a2 100644 --- a/rt/lio_listio64.c +++ b/rt/lio_listio64.c @@ -1,7 +1,6 @@ -/* Enqueue and list of read or write requests, 64bit offset version. - Copyright (C) 1997-2021 Free Software Foundation, Inc. +/* Enqueue and list of read or write requests. + Copyright (C) 2021 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Ulrich Drepper , 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,17 +16,13 @@ License along with the GNU C Library; if not, see . */ -#include -#include -#include -#include -#include +#include +#if __WORDSIZE != 64 +# define AIOCB aiocb64 +# define LIO_LISTIO lio_listio64 +# define LIO_LISTIO_OLD __lio_listio64_21 +# define LIO_LISTIO_NEW __lio_listio64_24 +# define LIO_OPCODE_BASE 128 -#include - -#define lio_listio lio_listio64 -#define __lio_listio_21 __lio_listio64_21 -#define __lio_listio_item_notify __lio_listio64_item_notify -#define aiocb aiocb64 -#define LIO_OPCODE_BASE 128 -#include +# include "lio_listio-common.c" +#endif diff --git a/sysdeps/unix/sysv/linux/wordsize-64/lio_listio.c b/sysdeps/unix/sysv/linux/wordsize-64/lio_listio.c deleted file mode 100644 index be9fe7a9c7..0000000000 --- a/sysdeps/unix/sysv/linux/wordsize-64/lio_listio.c +++ /dev/null @@ -1,13 +0,0 @@ -#define lio_listio64 __renamed_lio_listio64 - -#include - -#undef lio_listio64 - -#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4) -strong_alias (__lio_listio_21, __lio_listio64_21) -compat_symbol (librt, __lio_listio64_21, lio_listio64, GLIBC_2_1); -#endif - -strong_alias (__lio_listio_item_notify, __lio_listio64_item_notify) -versioned_symbol (librt, __lio_listio64_item_notify, lio_listio64, GLIBC_2_4); diff --git a/sysdeps/unix/sysv/linux/wordsize-64/lio_listio64.c b/sysdeps/unix/sysv/linux/wordsize-64/lio_listio64.c deleted file mode 100644 index 1dabae3692..0000000000 --- a/sysdeps/unix/sysv/linux/wordsize-64/lio_listio64.c +++ /dev/null @@ -1 +0,0 @@ -/* Defined in lio_listio.c. */