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Sun, 18 Feb 2024 10:02:23 GMT (envelope-from git) Date: Sun, 18 Feb 2024 10:02:23 GMT Message-Id: <202402181002.41IA2NVV084504@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: e9014ead574f - stable/14 - libc: add aio_read2() and aio_write2() functions List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: e9014ead574fe17b094110b78c2af40c61f9eee4 Auto-Submitted: auto-generated The branch stable/14 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=e9014ead574fe17b094110b78c2af40c61f9eee4 commit e9014ead574fe17b094110b78c2af40c61f9eee4 Author: Konstantin Belousov AuthorDate: 2024-02-01 02:39:00 +0000 Commit: Konstantin Belousov CommitDate: 2024-02-18 10:01:46 +0000 libc: add aio_read2() and aio_write2() functions (cherry picked from commit 06cb1c3f9528f088bdaf10d28dcfe7eeaad726d3) --- lib/libc/gen/Makefile.inc | 2 ++ lib/libc/gen/Symbol.map | 2 ++ lib/libc/gen/aio_read2.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++ lib/libc/gen/aio_write2.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++ sys/sys/aio.h | 7 ++++++ 5 files changed, 123 insertions(+) diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 3a3aa41c7d59..408eb2ff1e28 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -15,6 +15,8 @@ SRCS+= __getosreldate.c \ _rand48.c \ _spinlock_stub.c \ _thread_init.c \ + aio_read2.c \ + aio_write2.c \ alarm.c \ arc4random.c \ arc4random-compat.c \ diff --git a/lib/libc/gen/Symbol.map b/lib/libc/gen/Symbol.map index 51c7348c5cc4..1f8d77e7cd0a 100644 --- a/lib/libc/gen/Symbol.map +++ b/lib/libc/gen/Symbol.map @@ -458,6 +458,8 @@ FBSD_1.7 { }; FBSD_1.8 { + aio_read2; + aio_write2; execvpe; }; diff --git a/lib/libc/gen/aio_read2.c b/lib/libc/gen/aio_read2.c new file mode 100644 index 000000000000..3a783e1b1b15 --- /dev/null +++ b/lib/libc/gen/aio_read2.c @@ -0,0 +1,56 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2024 The FreeBSD Foundation + * + * This software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include + +int +aio_read2(struct aiocb *iocb, int flags) +{ + int error; + + if ((flags & ~(AIO_OP2_FOFFSET)) != 0) { + errno = EINVAL; + return (-1); + } + iocb->aio_lio_opcode = LIO_READ; + if ((flags & AIO_OP2_FOFFSET) != 0) + iocb->aio_lio_opcode |= LIO_FOFFSET; + + error = lio_listio(LIO_NOWAIT, &iocb, 1, NULL); + if (error == -1 && errno == EIO) { + error = aio_error(iocb); + if (error != -1 && error != 0) + errno = error; + error = -1; + } + return (error); +} diff --git a/lib/libc/gen/aio_write2.c b/lib/libc/gen/aio_write2.c new file mode 100644 index 000000000000..8b5d4a38a6c5 --- /dev/null +++ b/lib/libc/gen/aio_write2.c @@ -0,0 +1,56 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2024 The FreeBSD Foundation + * + * This software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include + +int +aio_write2(struct aiocb *iocb, int flags) +{ + int error; + + if ((flags & ~(AIO_OP2_FOFFSET)) != 0) { + errno = EINVAL; + return (-1); + } + iocb->aio_lio_opcode = LIO_WRITE; + if ((flags & AIO_OP2_FOFFSET) != 0) + iocb->aio_lio_opcode |= LIO_FOFFSET; + + error = lio_listio(LIO_NOWAIT, &iocb, 1, NULL); + if (error == -1 && errno == EIO) { + error = aio_error(iocb); + if (error != -1 && error != 0) + errno = error; + error = -1; + } + return (error); +} diff --git a/sys/sys/aio.h b/sys/sys/aio.h index f987f1e1dbd4..6680f9fed3fa 100644 --- a/sys/sys/aio.h +++ b/sys/sys/aio.h @@ -55,6 +55,11 @@ #define LIO_FOFFSET 0x40 #endif +/* aio_read2/aio_write2 flags */ +#if __BSD_VISIBLE +#define AIO_OP2_FOFFSET 0x00000001 +#endif + /* * LIO modes */ @@ -275,6 +280,8 @@ int aio_mlock(struct aiocb *); #if __BSD_VISIBLE ssize_t aio_waitcomplete(struct aiocb **, struct timespec *); +int aio_read2(struct aiocb *, int); +int aio_write2(struct aiocb *, int); #endif int aio_fsync(int op, struct aiocb *aiocbp);