tests/kernel/t_posix_fadvise.c

   1 /* $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by YAMAMOTO Takashi.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*-
  33  * Copyright (c)2005 YAMAMOTO Takashi,
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  */
  57
  58 #include <sys/cdefs.h>
  59 __COPYRIGHT("@(#) Copyright (c) 2008\
  60  The NetBSD Foundation, inc. All rights reserved.");
  61 __RCSID("$NetBSD$");
  62
  63 #include <sys/fcntl.h>
  64
  65 #include <errno.h>
  66 #include <string.h>
  67 #include <unistd.h>
  68
  69 #include <atf-c.h>
  70
  71 #include "../h_macros.h"
  72
  73 ATF_TC(posix_fadvise);
  74 ATF_TC_HEAD(posix_fadvise, tc)
  75 {
  76         atf_tc_set_md_var(tc, "descr", "Checks posix_fadvise(2)");
  77 }
  78 ATF_TC_BODY(posix_fadvise, tc)
  79 {
  80         int fd = STDIN_FILENO;
  81         int pipe_fds[2];
  82         int badfd = 10;
  83         int ret;
  84
  85         (void)close(badfd);
  86         RL(pipe(pipe_fds));
  87
  88         /*
  89          * it's hard to check if posix_fadvise is working properly.
  90          * only check return values here.
  91          */
  92
  93         /* posix_fadvise shouldn't affect errno. */
  94
  95 #define CE(x, exp) \
  96         do { \
  97                 int save = errno; \
  98                 errno = 999; \
  99                 ATF_CHECK_EQ_MSG(ret = (x), exp, "got: %d", ret); \
 100                 ATF_CHECK_EQ_MSG(errno, 999, "got: %s", strerror(errno)); \
 101                 errno = save; \
 102         } while (0);
 103
 104         CE(posix_fadvise(fd, 0, 0, -1), EINVAL);
 105         CE(posix_fadvise(pipe_fds[0], 0, 0, POSIX_FADV_NORMAL), ESPIPE);
 106         CE(posix_fadvise(badfd, 0, 0, POSIX_FADV_NORMAL), EBADF);
 107         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_NORMAL), 0);
 108         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL), 0);
 109         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_RANDOM), 0);
 110         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_WILLNEED), 0);
 111         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED), 0);
 112         CE(posix_fadvise(fd, 0, 0, POSIX_FADV_NOREUSE), 0);
 113 #undef CE
 114 }
 115
 116 ATF_TP_ADD_TCS(tp)
 117 {
 118         ATF_TP_ADD_TC(tp, posix_fadvise);
 119
 120         return atf_no_error();
 121 }