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69 lines
2.3 KiB
69 lines
2.3 KiB
/* |
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* Wrappers for recvmmsg and sendmmsg syscalls. |
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* |
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
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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, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "tests.h" |
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#include <errno.h> |
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#include <asm/unistd.h> |
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#ifndef __NR_recvmmsg |
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# define __NR_recvmmsg -1 |
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#endif |
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#define SC_recvmmsg 19 |
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#ifndef __NR_sendmmsg |
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# define __NR_sendmmsg -1 |
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#endif |
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#define SC_sendmmsg 20 |
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int |
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recv_mmsg(const int fd, struct mmsghdr *const vec, |
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const unsigned int vlen, const unsigned int flags, |
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struct timespec *const timeout) |
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{ |
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int rc = socketcall(__NR_recvmmsg, SC_recvmmsg, |
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fd, (long) vec, vlen, flags, (long) timeout); |
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if (rc < 0 && ENOSYS == errno) |
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perror_msg_and_skip("recvmmsg"); |
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return rc; |
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} |
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int |
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send_mmsg(const int fd, struct mmsghdr *const vec, |
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const unsigned int vlen, const unsigned int flags) |
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{ |
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int rc = socketcall(__NR_sendmmsg, SC_sendmmsg, |
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fd, (long) vec, vlen, flags, 0); |
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if (rc < 0 && ENOSYS == errno) |
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perror_msg_and_skip("sendmmsg"); |
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return rc; |
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}
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