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t_pipe2.c revision 1.2.2.1 
      1 /* $NetBSD: t_pipe2.c,v 1.2.2.1 2012/04/17 00:09:12 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 #include <sys/cdefs.h>
     39 __RCSID("$NetBSD: t_pipe2.c,v 1.2.2.1 2012/04/17 00:09:12 yamt Exp $");
     40 
     41 #include <atf-c.h>
     42 #include <fcntl.h>
     43 #include <unistd.h>
     44 #include <stdlib.h>
     45 #include <errno.h>
     46 
     47 static void
     48 run(int flags)
     49 {
     50 	int fd[2], i;
     51 
     52 	while ((i = open("/", O_RDONLY)) < 3)
     53 		ATF_REQUIRE(i != -1);
     54 
     55 	ATF_REQUIRE(fcntl(3, F_CLOSEM) != -1);
     56 
     57 	ATF_REQUIRE(pipe2(fd, flags) == 0);
     58 
     59 	ATF_REQUIRE(fd[0] == 3);
     60 	ATF_REQUIRE(fd[1] == 4);
     61 
     62 	if (flags & O_CLOEXEC) {
     63 		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) != 0);
     64 		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) != 0);
     65 	} else {
     66 		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) == 0);
     67 		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) == 0);
     68 	}
     69 
     70 	if (flags & O_NONBLOCK) {
     71 		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) != 0);
     72 		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) != 0);
     73 	} else {
     74 		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) == 0);
     75 		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0);
     76 	}
     77 
     78 	if (flags & O_NOSIGPIPE) {
     79 		ATF_REQUIRE(fcntl(fd[0], F_GETNOSIGPIPE) != 0);
     80 		ATF_REQUIRE(fcntl(fd[1], F_GETNOSIGPIPE) != 0);
     81 	} else {
     82 		ATF_REQUIRE(fcntl(fd[0], F_GETNOSIGPIPE) == 0);
     83 		ATF_REQUIRE(fcntl(fd[1], F_GETNOSIGPIPE) == 0);
     84 	}
     85 
     86 	ATF_REQUIRE(close(fd[0]) != -1);
     87 	ATF_REQUIRE(close(fd[1]) != -1);
     88 }
     89 
     90 ATF_TC(pipe2_basic);
     91 ATF_TC_HEAD(pipe2_basic, tc)
     92 {
     93 	atf_tc_set_md_var(tc, "descr", "A basic test of pipe2(2)");
     94 }
     95 
     96 ATF_TC_BODY(pipe2_basic, tc)
     97 {
     98 	run(0);
     99 }
    100 
    101 ATF_TC(pipe2_nonblock);
    102 ATF_TC_HEAD(pipe2_nonblock, tc)
    103 {
    104 	atf_tc_set_md_var(tc, "descr", "A non-blocking test of pipe2(2)");
    105 }
    106 
    107 ATF_TC_BODY(pipe2_nonblock, tc)
    108 {
    109 	run(O_NONBLOCK);
    110 }
    111 
    112 ATF_TC(pipe2_cloexec);
    113 ATF_TC_HEAD(pipe2_cloexec, tc)
    114 {
    115 	atf_tc_set_md_var(tc, "descr", "A close-on-exec test of pipe2(2)");
    116 }
    117 
    118 ATF_TC_BODY(pipe2_cloexec, tc)
    119 {
    120 	run(O_CLOEXEC);
    121 }
    122 
    123 ATF_TC(pipe2_nosigpipe);
    124 ATF_TC_HEAD(pipe2_nosigpipe, tc)
    125 {
    126 	atf_tc_set_md_var(tc, "descr", "A no sigpipe test of pipe2(2)");
    127 }
    128 
    129 ATF_TC_BODY(pipe2_nosigpipe, tc)
    130 {
    131 	run(O_NOSIGPIPE);
    132 }
    133 
    134 ATF_TC(pipe2_einval);
    135 ATF_TC_HEAD(pipe2_einval, tc)
    136 {
    137 	atf_tc_set_md_var(tc, "descr", "A error check of pipe2(2)");
    138 }
    139 
    140 ATF_TC_BODY(pipe2_einval, tc)
    141 {
    142 	int fd[2];
    143 	ATF_REQUIRE_ERRNO(EINVAL, pipe2(fd, O_ASYNC) == -1);
    144 }
    145 
    146 ATF_TP_ADD_TCS(tp)
    147 {
    148 
    149 	ATF_TP_ADD_TC(tp, pipe2_basic);
    150 	ATF_TP_ADD_TC(tp, pipe2_nonblock);
    151 	ATF_TP_ADD_TC(tp, pipe2_cloexec);
    152 	ATF_TP_ADD_TC(tp, pipe2_nosigpipe);
    153 	ATF_TP_ADD_TC(tp, pipe2_einval);
    154 
    155 	return atf_no_error();
    156 }
    157