diff options
Diffstat (limited to 'contrib/netbsd-tests/kernel/kqueue/write/t_pipe.c')
| -rw-r--r-- | contrib/netbsd-tests/kernel/kqueue/write/t_pipe.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/kernel/kqueue/write/t_pipe.c b/contrib/netbsd-tests/kernel/kqueue/write/t_pipe.c new file mode 100644 index 0000000..459a1f7 --- /dev/null +++ b/contrib/netbsd-tests/kernel/kqueue/write/t_pipe.c @@ -0,0 +1,147 @@ +/* $NetBSD: t_pipe.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $ */ + +/*- + * Copyright (c) 2002 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_pipe.c,v 1.1 2009/02/20 21:39:57 jmmv Exp $"); + +#include <sys/event.h> +#include <sys/wait.h> + +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <atf-c.h> + +#include "../../../h_macros.h" + +ATF_TC(pipe1); +ATF_TC_HEAD(pipe1, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks EVFILT_WRITE for pipes. This test used to trigger " + "problem fixed in rev. 1.5.2.7 of sys/kern/sys_pipe.c"); +} +ATF_TC_BODY(pipe1, tc) +{ + struct kevent event[1]; + int fds[2]; + int kq, n; + + RL(pipe(fds)); + RL(kq = kqueue()); + RL(close(fds[0])); + + EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0); + ATF_REQUIRE_EQ_MSG((n = kevent(kq, event, 1, NULL, 0, NULL)), + -1, "got: %d", n); + ATF_REQUIRE_EQ_MSG(errno, EBADF, "got: %s", strerror(errno)); +} + +ATF_TC(pipe2); +ATF_TC_HEAD(pipe2, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks EVFILT_WRITE for pipes. This test used to trigger problem " + "fixed in rev. 1.5.2.9 of sys/kern/sys_pipe.c"); +} +ATF_TC_BODY(pipe2, tc) +{ + struct kevent event[1]; + char buffer[128]; + int fds[2]; + int kq, n; + int status; + pid_t child; + + RL(pipe(fds)); + RL(kq = kqueue()); + + EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0); + RL(kevent(kq, event, 1, NULL, 0, NULL)); + + /* spawn child reader */ + RL(child = fork()); + if (child == 0) { + int sz = read(fds[0], buffer, 128); + if (sz > 0) + (void)printf("pipe: child read '%.*s'\n", sz, buffer); + exit(sz <= 0); + } + + RL(n = kevent(kq, NULL, 0, event, 1, NULL)); + + (void)printf("kevent num %d flags: %#x, fflags: %#x, data: " + "%" PRId64 "\n", n, event[0].flags, event[0].fflags, event[0].data); + + RL(n = write(fds[1], "foo", 3)); + RL(close(fds[1])); + + (void)waitpid(child, &status, 0); +} + +ATF_TC(pipe3); +ATF_TC_HEAD(pipe3, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks EVFILT_WRITE for pipes. This test used to trigger problem " + "fixed in rev. 1.5.2.10 of sys/kern/sys_pipe.c"); +} +ATF_TC_BODY(pipe3, tc) +{ + struct kevent event[1]; + int fds[2]; + int kq; + + RL(pipe(fds)); + RL(kq = kqueue()); + + EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0); + RL(kevent(kq, event, 1, NULL, 0, NULL)); + + /* close 'read' end first, then 'write' */ + + RL(close(fds[0])); + RL(close(fds[1])); +} + + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, pipe1); + ATF_TP_ADD_TC(tp, pipe2); + ATF_TP_ADD_TC(tp, pipe3); + + return atf_no_error(); +} |
