85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/* $NetBSD: t_pipe.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $ */
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/*-
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* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn and Jaromir Dolecek.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE 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 BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_pipe.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $");
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#include <sys/event.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <atf-c.h>
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#include "../../../h_macros.h"
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ATF_TC(pipe);
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ATF_TC_HEAD(pipe, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks EVFILT_READ for pipes");
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}
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ATF_TC_BODY(pipe, tc)
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{
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struct kevent event[1];
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char buffer[128];
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int fds[2];
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int kq, n;
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RL(pipe(fds));
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RL(kq = kqueue());
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EV_SET(&event[0], fds[0], EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0);
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RL(kevent(kq, event, 1, NULL, 0, NULL));
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/* make sure there is something in the pipe */
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RL(write(fds[1], "foo", 3));
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(void)printf("pipe: wrote 'foo' to pipe\n");
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RL(n = kevent(kq, NULL, 0, event, 1, NULL));
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(void)printf("kevent num %d flags: %#x, fflags: %#x, data: "
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"%" PRId64 "\n", n, event[0].flags, event[0].fflags, event[0].data);
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RL(n = read(fds[0], buffer, event[0].data));
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buffer[n] = '\0';
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(void)printf("pipe: read '%s'\n", buffer);
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(void)printf("pipe: successful end\n");
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, pipe);
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return atf_no_error();
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}
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