[src/trunk]: src/tests/lib/libc/sys add munmap

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/faa9faf4e558
branches:  trunk
changeset: 825333:faa9faf4e558
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Jul 09 22:13:48 2017 +0000

description:
add munmap
#define for const.

diffstat:

 tests/lib/libc/sys/t_write.c |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (57 lines):

diff -r 043624257100 -r faa9faf4e558 tests/lib/libc/sys/t_write.c
--- a/tests/lib/libc/sys/t_write.c      Sun Jul 09 22:04:04 2017 +0000
+++ b/tests/lib/libc/sys/t_write.c      Sun Jul 09 22:13:48 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_write.c,v 1.4 2017/07/09 22:04:04 christos Exp $ */
+/* $NetBSD: t_write.c,v 1.5 2017/07/09 22:13:48 christos Exp $ */
 
 /*-
  * Copyright (c) 2001, 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
 #include <sys/cdefs.h>
 __COPYRIGHT("@(#) Copyright (c) 2008\
  The NetBSD Foundation, inc. All rights reserved.");
-__RCSID("$NetBSD: t_write.c,v 1.4 2017/07/09 22:04:04 christos Exp $");
+__RCSID("$NetBSD: t_write.c,v 1.5 2017/07/09 22:13:48 christos Exp $");
 
 #include <sys/uio.h>
 #include <sys/mman.h>
@@ -223,20 +223,23 @@
            "Check that writing to non-permitted space returns EFAULT");
 }
 
+#define SIZE 8192
+
 ATF_TC_BODY(write_fault, tc)
 {
        int fd[2];
        ATF_REQUIRE(pipe(fd) != -1);
        // Can't use /dev/null cause it doesn't access the buffer.
 
-       void *map = mmap(NULL, 8192, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);  
+       void *map = mmap(NULL, SIZE, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);  
        ATF_REQUIRE(map != MAP_FAILED);
 
-       ssize_t retval = write(fd[1], map, 8192); 
+       ssize_t retval = write(fd[1], map, SIZE); 
 
        ATF_REQUIRE_EQ_MSG(retval, -1, "got: %zd", retval);
        ATF_REQUIRE_EQ_MSG(errno, EFAULT, "got: %s", strerror(errno));
 
+       munmap(map, SIZE);
        close(fd[0]);         
        close(fd[1]);         
 }
@@ -254,10 +257,10 @@
        int fd = open(_PATH_DEVZERO, O_RDONLY);
        ATF_REQUIRE(fd != -1);
 
-       void *map = mmap(NULL, 8192, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);  
+       void *map = mmap(NULL, SIZE, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);  
        ATF_REQUIRE(map != MAP_FAILED);
 
-       ssize_t retval = read(fd, map, 8192); 
+       ssize_t retval = read(fd, map, SIZE); 
 
        ATF_REQUIRE_EQ_MSG(retval, -1, "got: %zd", retval);
        ATF_REQUIRE_EQ_MSG(errno, EFAULT, "got: %s", strerror(errno));