diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/kqueue/write/t_fifo.c')
-rw-r--r-- | contrib/netbsd-tests/kernel/kqueue/write/t_fifo.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/kernel/kqueue/write/t_fifo.c b/contrib/netbsd-tests/kernel/kqueue/write/t_fifo.c new file mode 100644 index 0000000..82b256c --- /dev/null +++ b/contrib/netbsd-tests/kernel/kqueue/write/t_fifo.c @@ -0,0 +1,102 @@ +/* $NetBSD: t_fifo.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $ */ + +/*- + * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Luke Mewburn and Jaromir Dolecek. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <sys/cdefs.h> +__COPYRIGHT("@(#) Copyright (c) 2008\ + The NetBSD Foundation, inc. All rights reserved."); +__RCSID("$NetBSD: t_fifo.c,v 1.3 2010/11/07 17:51:20 jmmv Exp $"); + +#include <sys/event.h> +#include <sys/stat.h> +#include <sys/wait.h> + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <atf-c.h> + +#include "../../../h_macros.h" + +#define FIFONAME "fifo" + +ATF_TC(fifo); +ATF_TC_HEAD(fifo, tc) +{ + atf_tc_set_md_var(tc, "descr", "Checks EVFILT_WRITE for fifo"); +} +ATF_TC_BODY(fifo, tc) +{ + char buffer[128]; + struct kevent event[1]; + pid_t child; + int kq, n, fd, status; + + RL(mkfifo(FIFONAME, 0644)); + RL(fd = open(FIFONAME, O_RDWR, 0644)); + RL(kq = kqueue()); + + /* spawn child reader */ + RL(child = fork()); + if (child == 0) { + int sz = read(fd, buffer, 128); + if (sz > 0) + (void)printf("fifo: child read '%.*s'\n", sz, buffer); + _exit(sz <= 0); + } + + EV_SET(&event[0], fd, EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0); + RL(kevent(kq, event, 1, NULL, 0, NULL)); + + (void)memset(event, 0, sizeof(event)); + RL(n = kevent(kq, NULL, 0, event, 1, NULL)); + + (void)printf("kevent num %d filt %d flags: %#x, fflags: %#x, " + "data: %" PRId64 "\n", n, event[0].filter, event[0].flags, + event[0].fflags, event[0].data); + + ATF_REQUIRE_EQ(event[0].filter, EVFILT_WRITE); + + RL(write(fd, "foo", 3)); + (void)printf("fifo: wrote 'foo'\n"); + RL(close(fd)); + + (void)waitpid(child, &status, 0); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, fifo); + + return atf_no_error(); +} |