diff options
Diffstat (limited to 'pintos-progos/tests/vm/mmap-lazy-seq.c')
| -rw-r--r-- | pintos-progos/tests/vm/mmap-lazy-seq.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/pintos-progos/tests/vm/mmap-lazy-seq.c b/pintos-progos/tests/vm/mmap-lazy-seq.c deleted file mode 100644 index b8f07bd..0000000 --- a/pintos-progos/tests/vm/mmap-lazy-seq.c +++ /dev/null | |||
| @@ -1,52 +0,0 @@ | |||
| 1 | /* Create a large file, and mmap it several times, writing to | ||
| 2 | different pages. Then unmaps the file, and reads the data back | ||
| 3 | to verify */ | ||
| 4 | |||
| 5 | #include <string.h> | ||
| 6 | #include <syscall.h> | ||
| 7 | #include "tests/vm/sample.inc" | ||
| 8 | #include "tests/lib.h" | ||
| 9 | #include "tests/main.h" | ||
| 10 | |||
| 11 | /* Offset needs to be larger or equal to page size */ | ||
| 12 | #define OFFSET(i) (8192*(i)) | ||
| 13 | /* Number of times file is mmapped */ | ||
| 14 | #define N (8) | ||
| 15 | /* Size of file */ | ||
| 16 | #define FILE_SIZE (1024*1024) | ||
| 17 | /* Address for mmap */ | ||
| 18 | #define ACTUAL(i) ((void *) (0x10000000 + (i)*FILE_SIZE)) | ||
| 19 | |||
| 20 | |||
| 21 | void | ||
| 22 | test_main (void) | ||
| 23 | { | ||
| 24 | int i; | ||
| 25 | int handle; | ||
| 26 | mapid_t map[N]; | ||
| 27 | char buf[1024]; | ||
| 28 | /* create file */ | ||
| 29 | CHECK (create ("sample.txt", FILE_SIZE), "create \"sample.txt\""); | ||
| 30 | CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\""); | ||
| 31 | /* mmap */ | ||
| 32 | for (i = 0; i < N; i++) { | ||
| 33 | CHECK ((map[i] = mmap (handle, ACTUAL(i))) != MAP_FAILED, "mmap \"sample.txt\""); | ||
| 34 | } | ||
| 35 | /* write */ | ||
| 36 | for (i = 0; i < N; i++) { | ||
| 37 | memcpy (buf, ACTUAL(i)+OFFSET(i+N), 1024); /* not checked */ | ||
| 38 | memcpy (ACTUAL(i)+OFFSET(i), sample, strlen (sample)); | ||
| 39 | } | ||
| 40 | /* munmap */ | ||
| 41 | for (i = 0; i < N; i++) { | ||
| 42 | munmap (map[i]); | ||
| 43 | } | ||
| 44 | /* Read back via read(). */ | ||
| 45 | for (i = 0; i < N; i++) { | ||
| 46 | seek (handle, OFFSET(i)); | ||
| 47 | read (handle, buf, strlen (sample)); | ||
| 48 | CHECK (!memcmp (buf, sample, strlen (sample)), | ||
| 49 | "compare read data against written data"); | ||
| 50 | } | ||
| 51 | close (handle); | ||
| 52 | } | ||
