* winsup.api/mmaptest01.c: Add several tests on mmaps. Use libltp.

* winsup.api/winsup.exp: Link all tests agains libltp.
This commit is contained in:
Corinna Vinschen 2001-10-08 12:18:38 +00:00
parent 97405ef5b0
commit d7f6398556
3 changed files with 87 additions and 19 deletions

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@ -1,3 +1,8 @@
Mon Oct 8 14:15:00 2001 Corinna Vinschen <corinna@vinschen.de>
* winsup.api/mmaptest01.c: Add several tests on mmaps. Use libltp.
* winsup.api/winsup.exp: Link all tests agains libltp.
Fri Oct 5 11:15:55 2001 Christopher Faylor <cgf@cygnus.com>
* winsup.api/nullgetcwd.c: New file. Check that NULL first argument to

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@ -1,6 +1,9 @@
/*
Copyright 2001 Free Software Foundation, Inc.
Written by Michael Chastain, <chastain@redhat.com>
Changes by Corinna Vinschen, <corinna@vinschen.de>:
- Using mkstemp to generate filenames.
- Adding tests
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -50,6 +53,13 @@
#include <stdio.h>
#include <stdlib.h>
#include "test.h"
#include "usctest.h"
char *TCID = "mmaptest01"; /* Test program identifier. */
int TST_TOTAL = 7; /* Total number of test cases. */
extern int Tst_count; /* Test Case counter for tst_* routines */
/* some systems have O_BINARY and some do not */
#ifndef O_BINARY
#define O_BINARY 0
@ -67,43 +77,100 @@ char const line2 [] = "y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2 y2\n";
int main ()
{
int ret = 0;
char fnam1[32];
char fnam2[32];
int fd1;
char * buf1;
int fd2;
char * buf2;
char buf3[20];
int i;
strcpy (fnam1, "mmaptest01.1.XXXXXX");
strcpy (fnam2, "mmaptest01.2.XXXXXX");
/* create file 1 */
fd1 = open ("y1.txt", O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
//fd1 = open (fnam1, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
fd1 = mkstemp (fnam1);
for (i = 0; i < count1; i++)
write (fd1, line1, size1);
close (fd1);
/* create file 2 */
fd2 = open ("y2.txt", O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
//fd2 = open (fnam2, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
fd2 = mkstemp (fnam2);
for (i = 0; i < count2; i++)
write (fd2, line2, size2);
close (fd2);
/* mmap file 1 */
fd1 = open ("y1.txt", O_RDONLY | O_BINARY, 0644);
buf1 = mmap (0, 4096, PROT_READ, MAP_PRIVATE, fd1, 0);
fd1 = open (fnam1, O_RDONLY | O_BINARY, 0644);
buf1 = mmap (0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd1, 0);
close (fd1);
/* mmap file 2 */
fd2 = open ("y2.txt", O_RDONLY | O_BINARY, 0644);
buf2 = mmap (0, 4096, PROT_READ, MAP_PRIVATE, fd2, 0);
fd2 = open (fnam2, O_RDONLY | O_BINARY, 0644);
buf2 = mmap (0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd2, 0);
close (fd2);
/* the buffers have to be different */
if (buf1 == buf2 || !memcmp (buf1, buf2, 20))
{
printf ("buffers are not different!\n");
return 1;
}
Tst_count = 0;
tst_resm (buf1 == buf2 || !memcmp (buf1, buf2, 20) ? TFAIL : TPASS,
"mmap uses unique buffers when mapping different already closed files");
munmap (buf2, 4096);
return 0;
/* mmap file 1 twice with MAP_PRIVATE */
fd2 = open (fnam1, O_RDONLY | O_BINARY, 0644);
buf2 = mmap (0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd2, 0);
close (fd2);
tst_resm (buf1 == buf2 ? TFAIL : TPASS,
"mmap uses different buffers on MAP_PRIVATE mapping");
tst_resm (memcmp (buf1, buf2, 20) ? TFAIL : TPASS,
"two private buffers of the same file are identical");
buf1[0] = 0x7f;
tst_resm (!memcmp (buf1, buf2, 20) ? TFAIL : TPASS,
"changes are private in MAP_PRIVATE mappings");
munmap (buf1, 4096);
munmap (buf2, 4096);
/* mmap file 1 twice with MAP_SHARED */
fd1 = open (fnam1, O_RDWR | O_BINARY, 0644);
buf1 = mmap (0, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd1, 0);
close (fd1);
fd2 = open (fnam1, O_RDWR | O_BINARY, 0644);
buf2 = mmap (0, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd2, 0);
close (fd2);
tst_resm (memcmp (buf1, buf2, 20) ? TFAIL : TPASS,
"two shared buffers of the same file are identical");
buf1[0] = 0x7f;
tst_resm (memcmp (buf1, buf2, 20) ? TFAIL : TPASS,
"changes are shared between MAP_SHARED mappings of the same file");
munmap (buf2, 4096);
fd2 = open (fnam1, O_RDWR | O_BINARY, 0644);
memset (buf3, 0, 20);
read (fd2, buf3, 20);
close (fd2);
tst_resm (memcmp (buf1, buf3, 20) ? TFAIL : TPASS,
"changes are propagated to the mapped file on MAP_SHARED mapping");
munmap (buf1, 4096);
unlink (fnam1);
unlink (fnam2);
tst_exit ();
}

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@ -7,12 +7,13 @@ if { ! [isnative] } {
}
set rv ""
set add_includes ""
set add_libs ""
set ltp_includes "-I$ltp_includes"
set ltp_libs "$rootme/libltp.a"
set add_includes $ltp_includes
set add_libs $ltp_libs
set test_filter ""
if { [info exists env(CYGWIN_TESTSUITE_TESTS)] } {
@ -47,11 +48,6 @@ foreach src [glob -nocomplain $srcdir/$subdir/*.c $srcdir/$subdir/*/*.c] {
clear_xfail
}
if { [regexp "^ltp/" $testcase ] } {
set add_includes $ltp_includes
set add_libs $ltp_libs
}
ws_spawn "$CC -g3 $CFLAGS $src $add_includes $add_libs $runtime_root/binmode.o $runtime_root/new-libcygwin.a -o $base.exe"
if { $rv != "" } {
verbose -log "$rv"