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Diffstat (limited to 'winsup/testsuite/winsup.api/mmaptest04.c')
-rw-r--r--winsup/testsuite/winsup.api/mmaptest04.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/winsup/testsuite/winsup.api/mmaptest04.c b/winsup/testsuite/winsup.api/mmaptest04.c
deleted file mode 100644
index 56c4a88b7..000000000
--- a/winsup/testsuite/winsup.api/mmaptest04.c
+++ /dev/null
@@ -1,100 +0,0 @@
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <errno.h>
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-int
-main ()
-{
- char *data, *data2, *data3;
- int i, pagesize;
- int fd;
-
- pagesize = 65536; //getpagesize();
-
- /*
- * First, make a file with some known garbage in it.
- */
- data = (char *) malloc (pagesize);
- if (!data)
- exit (1);
- for (i = 0; i < pagesize; ++i)
- *(data + i) = rand ();
- umask (0);
- fd = open ("conftestmmap", O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0600);
- if (fd < 0)
- {
- printf ("creat: %d\n", errno);
- exit (1);
- }
- if (write (fd, data, pagesize) != pagesize)
- {
- printf ("write: %d\n", errno);
- exit (1);
- }
- close (fd);
-
- /*
- * Next, try to mmap the file.
- */
- fd = open ("conftestmmap", O_RDWR | O_BINARY);
- if (fd < 0)
- {
- printf ("write: %d\n", errno);
- exit (1);
- }
- if ((data2 = mmap (data2, pagesize, PROT_READ | PROT_WRITE,
- MAP_PRIVATE, fd, 0L)) == MAP_FAILED)
- {
- printf ("mmap: %d\n", errno);
- exit (1);
- }
- for (i = 0; i < pagesize; ++i)
- if (*(data + i) != *(data2 + i))
- {
- printf ("check-if: %d\n", errno);
- exit (1);
- }
-
- /*
- * Finally, make sure that changes to the mapped area
- * do not percolate back to the file as seen by read().
- * (This is a bug on some variants of i386 svr4.0.)
- */
- for (i = 0; i < pagesize; ++i)
- *(data2 + i) = *(data2 + i) + 1;
- data3 = (char *) malloc (pagesize);
- if (!data3)
- {
- printf ("malloc2: %d\n", errno);
- exit (1);
- }
- if (read (fd, data3, pagesize) != pagesize)
- {
- printf ("read: %d\n", errno);
- exit (1);
- }
- for (i = 0; i < pagesize; ++i)
- if (*(data + i) != *(data3 + i))
- {
- printf ("check-if2: %d\n", errno);
- exit (1);
- }
- if (msync (data2, pagesize, MS_SYNC))
- {
- printf ("msync: %d\n", errno);
- exit (1);
- }
- if (munmap (data2, pagesize))
- {
- printf ("munmap: %d\n", errno);
- exit (1);
- }
- close (fd);
- unlink ("conftestmmap");
- exit (0);
-}