diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/mmaptest04.c')
-rw-r--r-- | winsup/testsuite/winsup.api/mmaptest04.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/winsup/testsuite/winsup.api/mmaptest04.c b/winsup/testsuite/winsup.api/mmaptest04.c deleted file mode 100644 index 52302bae1..000000000 --- a/winsup/testsuite/winsup.api/mmaptest04.c +++ /dev/null @@ -1,103 +0,0 @@ -#include <sys/types.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <errno.h> -#include <stdlib.h> -#include <unistd.h> -#include <stdio.h> - -#ifndef O_BINARY -#define O_BINARY 0 -#endif - -int -main () -{ - char *data, *data2 = NULL, *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); -} |