test posix_fadvise.

regress/sys/fs/posix_fadvise/Makefile

@@ -0,0 +1,20 @@
+#	$NetBSD: Makefile,v 1.1 2005/11/22 12:18:43 yamt Exp $
+
+NOMAN=	# defined
+WARNS=	3
+
+PROG=	posix_fadvise
+
+TESTFILE=	TESTFILE
+CLEANFILES=	${TESTFILE}
+
+regress: ${PROG}
+	@set -e;					\
+	touch ${TESTFILE};				\
+	if ./${PROG} < ${TESTFILE}; then		\
+		echo PASSED; exit 0;			\
+	else						\
+		echo FAILED; exit 1;			\
+	fi
+
+.include <bsd.prog.mk>

regress/sys/fs/posix_fadvise/posix_fadvise.c

@@ -0,0 +1,90 @@
+/*	$NetBSD: posix_fadvise.c,v 1.1 2005/11/22 12:18:43 yamt Exp $	*/
+
+/*-
+ * Copyright (c)2005 YAMAMOTO Takashi,
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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 <fcntl.h>
+
+#if POSIX_FADV_NORMAL == -1 || \
+    POSIX_FADV_SEQUENTIAL == -1 || \
+    POSIX_FADV_RANDOM == -1 || \
+    POSIX_FADV_WILLNEED == -1 || \
+    POSIX_FADV_DONTNEED == -1 || \
+    POSIX_FADV_NOREUSE == -1
+#error XXX
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main(int argc, char *argv[])
+{
+	int fd = STDIN_FILENO;
+	int error;
+	int pipe_fds[2];
+	int badfd = 10;
+
+	close(badfd);
+	if (pipe(pipe_fds)) {
+		perror("pipe");
+		exit(EXIT_FAILURE);
+	}
+	errno = 999;
+
+	/*
+	 * it's hard to check if posix_fadvise is working properly.
+	 * only check return values here.
+	 */
+
+#define	TEST(f, adv, expected) \
+	error = posix_fadvise(f, 0, 0, adv); \
+	if (error != expected) { \
+		printf(#f "-" #adv "-" #expected ": error=%d\n", error); \
+		exit(EXIT_FAILURE); \
+	}
+
+	TEST(fd, -1, EINVAL)
+	TEST(pipe_fds[0], POSIX_FADV_NORMAL, ESPIPE)
+	TEST(badfd, POSIX_FADV_NORMAL, EBADF)
+	TEST(fd, POSIX_FADV_NORMAL, 0)
+	TEST(fd, POSIX_FADV_SEQUENTIAL, 0)
+	TEST(fd, POSIX_FADV_RANDOM, 0)
+	TEST(fd, POSIX_FADV_WILLNEED, 0)
+	TEST(fd, POSIX_FADV_DONTNEED, 0)
+	TEST(fd, POSIX_FADV_NOREUSE, 0)
+
+	/* posix_fadvise doesn't affect errno. */
+	if (errno != 999) {
+		printf("errno changed %d\n", errno);
+		exit(EXIT_FAILURE);
+	}
+
+	exit(EXIT_SUCCESS);
+}