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29d079c964
These system call wrappers call interposed system calls in fairly trivial ways. Move them over to libsys so all __libsys_interposer consumers end up in libsys. Also move recvmmsg and sendmmsg as they are documented with recv and send. Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Copyright (c) 2016 Boris Astardzhiev, Smartcom-Bulgaria AD
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice(s), this list of conditions and the following disclaimer as
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* the first lines of this file unmodified other than the possible
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* addition of one or more copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include "libc_private.h"
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ssize_t
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sendmmsg(int s, struct mmsghdr *__restrict msgvec, size_t vlen, int flags)
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{
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size_t i, sent;
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ssize_t ret;
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sent = 0;
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for (i = 0; i < vlen; i++, sent++) {
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ret = __sys_sendmsg(s, &msgvec[i].msg_hdr, flags);
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if (ret == -1) {
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if (sent != 0) {
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/*
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* We have sent messages. Let caller
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* know about the data sent, socket
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* error is returned on next
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* invocation.
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*/
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return (sent);
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}
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return (ret);
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}
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/* Save sent bytes. */
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msgvec[i].msg_len = ret;
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}
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return (sent);
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}
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