them?
* Speed up disk routines: filling an 8 MB disk takes a long time.
+
+* Not sure that raw arc4 should really be used so much in the tests.
+ Any reason not to use random_bytes()?
+
+* Grading script patches needed anymore?
--- /dev/null
+*.d
+*.dsk
+*.o
+bochsout.txt
+bochsrc.txt
+sm-create
+sm-full
+sm-seq-block
+sm-seq-random
+sm-random
+grow-create
+grow-seq-sm
+grow-seq-lg
+grow-file-size
+grow-tell
+grow-sparse
+grow-root-sm
+grow-root-lg
+grow-dir-lg
+grow-two-files
--- /dev/null
+PROGS = sm-create sm-full sm-seq-block sm-seq-random sm-random \
+ grow-create grow-seq-sm grow-seq-lg grow-file-size grow-tell \
+ grow-sparse grow-root-sm grow-root-lg grow-dir-lg grow-two-files
+
+sm_create_SRC = sm-create.c fslib.c ../lib/arc4.c
+sm_full_SRC = sm-full.c fslib.c ../lib/arc4.c
+sm_seq_block_SRC = sm-seq-block.c fslib.c ../lib/arc4.c
+sm_seq_random_SRC = sm-seq-random.c fslib.c ../lib/arc4.c
+sm_random_SRC = sm-random.c fslib.c ../lib/arc4.c
+
+grow_create_SRC = grow-create.c fslib.c ../lib/arc4.c
+grow_seq_sm_SRC = grow-seq-sm.c fslib.c ../lib/arc4.c
+grow_seq_lg_SRC = grow-seq-lg.c fslib.c ../lib/arc4.c
+grow_file_size_SRC = grow-file-size.c fslib.c ../lib/arc4.c
+grow_tell_SRC = grow-tell.c fslib.c ../lib/arc4.c
+grow_sparse_SRC = grow-sparse.c fslib.c ../lib/arc4.c
+grow_root_sm_SRC = grow-root-sm.c fslib.c ../lib/arc4.c
+grow_root_lg_SRC = grow-root-lg.c fslib.c ../lib/arc4.c
+grow_dir_lg_SRC = grow-dir-lg.c fslib.c ../lib/arc4.c
+grow_two_files_SRC = grow-two-files.c fslib.c ../lib/arc4.c
--- /dev/null
+include Make.progs
+
+SRCDIR = ../../src
+
+all: $(PROGS)
+
+include $(SRCDIR)/Makefile.userprog
+
+CFLAGS += -Werror
--- /dev/null
+/* -*- c -*- */
+
+#include <stdio.h>
+#include <syscall.h>
+#include "fslib.h"
+
+static char buf[TEST_SIZE];
+
+int
+main (void)
+{
+ msg ("begin");
+ check (create ("testfile", TEST_SIZE), "create testfile");
+ check_file ("testfile", buf, TEST_SIZE);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+#include "fslib.h"
+#include <random.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <syscall.h>
+#include "../lib/arc4.h"
+
+bool quiet = false;
+
+static void
+vmsg (const char *format, va_list args, bool failure)
+{
+ if (quiet && !failure)
+ return;
+
+ printf ("(%s) ", test_name);
+ vprintf (format, args);
+ if (failure)
+ printf (": FAILED");
+ printf ("\n");
+}
+
+void
+msg (const char *format, ...)
+{
+ va_list args;
+
+ va_start (args, format);
+ vmsg (format, args, false);
+ va_end (args);
+}
+
+void
+fail (const char *format, ...)
+{
+ va_list args;
+
+ quiet = false;
+
+ va_start (args, format);
+ vmsg (format, args, true);
+ va_end (args);
+
+ exit (1);
+}
+
+void
+check (bool success, const char *format, ...)
+{
+ va_list args;
+
+ va_start (args, format);
+ if (success)
+ {
+ if (!quiet)
+ vmsg (format, args, false);
+ }
+ else
+ {
+ vmsg (format, args, true);
+ exit (1);
+ }
+ va_end (args);
+}
+
+void
+seq_test (const char *filename, void *buf, size_t size,
+ size_t initial_size, int seed,
+ size_t (*block_size_func) (void),
+ void (*check_func) (int fd, long ofs))
+{
+ static struct arc4 arc4;
+ size_t ofs;
+ int fd;
+
+ arc4_init (&arc4, &seed, sizeof seed);
+ arc4_crypt (&arc4, buf, size);
+
+ check (create (filename, initial_size), "create \"%s\"", filename);
+ check ((fd = open (filename)) > 1, "open \"%s\"", filename);
+
+ ofs = 0;
+ msg ("writing \"%s\"", filename);
+ while (ofs < size)
+ {
+ size_t block_size = block_size_func ();
+ if (block_size > size - ofs)
+ block_size = size - ofs;
+
+ if (write (fd, buf + ofs, block_size) <= 0)
+ fail ("write %zu bytes at offset %zu in \"%s\" failed",
+ block_size, ofs, filename);
+
+ ofs += block_size;
+ if (check_func != NULL)
+ check_func (fd, ofs);
+ }
+ msg ("close \"%s\"", filename);
+ close (fd);
+ check_file (filename, buf, size);
+}
+
+static void
+swap (void *a_, void *b_, size_t size)
+{
+ uint8_t *a = a_;
+ uint8_t *b = b_;
+ size_t i;
+
+ for (i = 0; i < size; i++)
+ {
+ uint8_t t = a[i];
+ a[i] = b[i];
+ b[i] = t;
+ }
+}
+
+void
+shuffle (void *buf_, size_t cnt, size_t size)
+{
+ char *buf = buf_;
+ size_t i;
+
+ for (i = 0; i < cnt; i++)
+ {
+ size_t j = i + random_ulong () % (cnt - i);
+ swap (buf + i * size, buf + j * size, size);
+ }
+}
+
+void
+check_file (const char *filename, const void *buf_, size_t size)
+{
+ const char *buf = buf_;
+ size_t ofs;
+ char block[512];
+ int fd;
+
+ check ((fd = open (filename)) > 1, "open \"%s\" for verification", filename);
+
+ ofs = 0;
+ while (ofs < size)
+ {
+ size_t block_size = size - ofs;
+ if (block_size > sizeof block)
+ block_size = sizeof block;
+
+ if (read (fd, block, block_size) <= 0)
+ fail ("read %zu bytes at offset %zu in \"%s\" failed",
+ block_size, ofs, filename);
+
+ if (memcmp (buf + ofs, block, block_size))
+ {
+ if (block_size <= 512)
+ {
+ printf ("Expected data:\n");
+ hex_dump (ofs, buf + ofs, block_size, false);
+ printf ("Actually read data:\n");
+ hex_dump (ofs, block, block_size, false);
+ }
+ fail ("%zu bytes at offset %zu differed from expected",
+ block_size, ofs);
+ }
+
+ ofs += block_size;
+ }
+
+ msg ("close \"%s\"", filename);
+ close (fd);
+}
--- /dev/null
+#ifndef FSLIB_H
+#define FSLIB_H
+
+#include <debug.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+extern const char test_name[];
+extern bool quiet;
+
+void msg (const char *, ...) PRINTF_FORMAT (1, 2);
+void fail (const char *, ...) PRINTF_FORMAT (1, 2) NO_RETURN;
+void check (bool, const char *, ...) PRINTF_FORMAT (2, 3);
+
+void shuffle (void *, size_t cnt, size_t size);
+void seq_test (const char *filename,
+ void *buffer, size_t size,
+ size_t initial_size, int seed,
+ size_t (*block_size) (void), void (*check) (int fd, long ofs));
+void check_file (const char *filename, const void *buf, size_t filesize);
+
+#endif /* fslib.h */
--- /dev/null
+/* -*- c -*- */
+
+#include "fslib.h"
+
+static char buf[TEST_SIZE];
+
+static size_t
+return_test_size (void)
+{
+ return TEST_SIZE;
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ seq_test ("quux", buf, sizeof buf, sizeof buf, 2, return_test_size, NULL);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+const char test_name[] = "grow-create";
+#define TEST_SIZE 0
+#include "create.inc"
--- /dev/null
+(grow-create) begin
+(grow-create) create testfile
+(grow-create) open "testfile" for verification
+(grow-create) close "testfile"
+(grow-create) end
--- /dev/null
+const char test_name[] = "grow-dir-lg";
+#define FILE_CNT 50
+#define DIRECTORY "/x"
+#include "grow-dir.inc"
--- /dev/null
+(grow-dir-lg) begin
+(grow-dir-lg) mkdir /x
+(grow-dir-lg) creating and checking "/x/file0"
+(grow-dir-lg) creating and checking "/x/file1"
+(grow-dir-lg) creating and checking "/x/file2"
+(grow-dir-lg) creating and checking "/x/file3"
+(grow-dir-lg) creating and checking "/x/file4"
+(grow-dir-lg) creating and checking "/x/file5"
+(grow-dir-lg) creating and checking "/x/file6"
+(grow-dir-lg) creating and checking "/x/file7"
+(grow-dir-lg) creating and checking "/x/file8"
+(grow-dir-lg) creating and checking "/x/file9"
+(grow-dir-lg) creating and checking "/x/file10"
+(grow-dir-lg) creating and checking "/x/file11"
+(grow-dir-lg) creating and checking "/x/file12"
+(grow-dir-lg) creating and checking "/x/file13"
+(grow-dir-lg) creating and checking "/x/file14"
+(grow-dir-lg) creating and checking "/x/file15"
+(grow-dir-lg) creating and checking "/x/file16"
+(grow-dir-lg) creating and checking "/x/file17"
+(grow-dir-lg) creating and checking "/x/file18"
+(grow-dir-lg) creating and checking "/x/file19"
+(grow-dir-lg) creating and checking "/x/file20"
+(grow-dir-lg) creating and checking "/x/file21"
+(grow-dir-lg) creating and checking "/x/file22"
+(grow-dir-lg) creating and checking "/x/file23"
+(grow-dir-lg) creating and checking "/x/file24"
+(grow-dir-lg) creating and checking "/x/file25"
+(grow-dir-lg) creating and checking "/x/file26"
+(grow-dir-lg) creating and checking "/x/file27"
+(grow-dir-lg) creating and checking "/x/file28"
+(grow-dir-lg) creating and checking "/x/file29"
+(grow-dir-lg) creating and checking "/x/file30"
+(grow-dir-lg) creating and checking "/x/file31"
+(grow-dir-lg) creating and checking "/x/file32"
+(grow-dir-lg) creating and checking "/x/file33"
+(grow-dir-lg) creating and checking "/x/file34"
+(grow-dir-lg) creating and checking "/x/file35"
+(grow-dir-lg) creating and checking "/x/file36"
+(grow-dir-lg) creating and checking "/x/file37"
+(grow-dir-lg) creating and checking "/x/file38"
+(grow-dir-lg) creating and checking "/x/file39"
+(grow-dir-lg) creating and checking "/x/file40"
+(grow-dir-lg) creating and checking "/x/file41"
+(grow-dir-lg) creating and checking "/x/file42"
+(grow-dir-lg) creating and checking "/x/file43"
+(grow-dir-lg) creating and checking "/x/file44"
+(grow-dir-lg) creating and checking "/x/file45"
+(grow-dir-lg) creating and checking "/x/file46"
+(grow-dir-lg) creating and checking "/x/file47"
+(grow-dir-lg) creating and checking "/x/file48"
+(grow-dir-lg) creating and checking "/x/file49"
+(grow-dir-lg) end
--- /dev/null
+/* -*- c -*- */
+
+#include <syscall.h>
+#include <stdio.h>
+#include "fslib.h"
+
+static char buf[512];
+
+static size_t
+return_block_size (void)
+{
+ return sizeof buf;
+}
+
+int
+main (void)
+{
+ size_t i;
+
+ msg ("begin");
+#ifdef DIRECTORY
+ check (mkdir (DIRECTORY), "mkdir %s", DIRECTORY);
+#define DIR_PREFIX DIRECTORY "/"
+#else
+#define DIR_PREFIX ""
+#endif
+ for (i = 0; i < FILE_CNT; i++)
+ {
+ char filename[128];
+ snprintf (filename, sizeof filename, "%sfile%zu", DIR_PREFIX, i);
+
+ msg ("creating and checking \"%s\"", filename);
+
+ quiet = true;
+ seq_test (filename, buf, sizeof buf, sizeof buf, 0,
+ return_block_size, NULL);
+ quiet = false;
+ }
+ msg ("end");
+ return 0;
+}
--- /dev/null
+/* -*- c -*- */
+
+#include <syscall.h>
+#include "fslib.h"
+
+const char test_name[] = "grow-file-size";
+static char buf[2134];
+
+static size_t
+return_block_size (void)
+{
+ return 37;
+}
+
+static void
+check_file_size (int fd, long ofs)
+{
+ long size = filesize (fd);
+ if (size != ofs)
+ fail ("filesize not updated properly: should be %ld, actually %ld",
+ ofs, size);
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ seq_test ("testfile", buf, sizeof buf, 0, 0,
+ return_block_size, check_file_size);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+(grow-file-size) begin
+(grow-file-size) create "testfile"
+(grow-file-size) open "testfile"
+(grow-file-size) writing "testfile"
+(grow-file-size) close "testfile"
+(grow-file-size) open "testfile" for verification
+(grow-file-size) close "testfile"
+(grow-file-size) end
+
--- /dev/null
+const char test_name[] = "grow-root-lg";
+#define FILE_CNT 50
+#include "grow-dir.inc"
--- /dev/null
+(grow-root-lg) begin
+(grow-root-lg) creating and checking "file0"
+(grow-root-lg) creating and checking "file1"
+(grow-root-lg) creating and checking "file2"
+(grow-root-lg) creating and checking "file3"
+(grow-root-lg) creating and checking "file4"
+(grow-root-lg) creating and checking "file5"
+(grow-root-lg) creating and checking "file6"
+(grow-root-lg) creating and checking "file7"
+(grow-root-lg) creating and checking "file8"
+(grow-root-lg) creating and checking "file9"
+(grow-root-lg) creating and checking "file10"
+(grow-root-lg) creating and checking "file11"
+(grow-root-lg) creating and checking "file12"
+(grow-root-lg) creating and checking "file13"
+(grow-root-lg) creating and checking "file14"
+(grow-root-lg) creating and checking "file15"
+(grow-root-lg) creating and checking "file16"
+(grow-root-lg) creating and checking "file17"
+(grow-root-lg) creating and checking "file18"
+(grow-root-lg) creating and checking "file19"
+(grow-root-lg) creating and checking "file20"
+(grow-root-lg) creating and checking "file21"
+(grow-root-lg) creating and checking "file22"
+(grow-root-lg) creating and checking "file23"
+(grow-root-lg) creating and checking "file24"
+(grow-root-lg) creating and checking "file25"
+(grow-root-lg) creating and checking "file26"
+(grow-root-lg) creating and checking "file27"
+(grow-root-lg) creating and checking "file28"
+(grow-root-lg) creating and checking "file29"
+(grow-root-lg) creating and checking "file30"
+(grow-root-lg) creating and checking "file31"
+(grow-root-lg) creating and checking "file32"
+(grow-root-lg) creating and checking "file33"
+(grow-root-lg) creating and checking "file34"
+(grow-root-lg) creating and checking "file35"
+(grow-root-lg) creating and checking "file36"
+(grow-root-lg) creating and checking "file37"
+(grow-root-lg) creating and checking "file38"
+(grow-root-lg) creating and checking "file39"
+(grow-root-lg) creating and checking "file40"
+(grow-root-lg) creating and checking "file41"
+(grow-root-lg) creating and checking "file42"
+(grow-root-lg) creating and checking "file43"
+(grow-root-lg) creating and checking "file44"
+(grow-root-lg) creating and checking "file45"
+(grow-root-lg) creating and checking "file46"
+(grow-root-lg) creating and checking "file47"
+(grow-root-lg) creating and checking "file48"
+(grow-root-lg) creating and checking "file49"
+(grow-root-lg) end
--- /dev/null
+const char test_name[] = "grow-root-sm";
+#define FILE_CNT 20
+#include "grow-dir.inc"
--- /dev/null
+(grow-root-sm) begin
+(grow-root-sm) creating and checking "file0"
+(grow-root-sm) creating and checking "file1"
+(grow-root-sm) creating and checking "file2"
+(grow-root-sm) creating and checking "file3"
+(grow-root-sm) creating and checking "file4"
+(grow-root-sm) creating and checking "file5"
+(grow-root-sm) creating and checking "file6"
+(grow-root-sm) creating and checking "file7"
+(grow-root-sm) creating and checking "file8"
+(grow-root-sm) creating and checking "file9"
+(grow-root-sm) creating and checking "file10"
+(grow-root-sm) creating and checking "file11"
+(grow-root-sm) creating and checking "file12"
+(grow-root-sm) creating and checking "file13"
+(grow-root-sm) creating and checking "file14"
+(grow-root-sm) creating and checking "file15"
+(grow-root-sm) creating and checking "file16"
+(grow-root-sm) creating and checking "file17"
+(grow-root-sm) creating and checking "file18"
+(grow-root-sm) creating and checking "file19"
+(grow-root-sm) end
--- /dev/null
+const char test_name[] = "grow-seq-lg";
+#define TEST_SIZE 72943
+#include "grow-seq.inc"
--- /dev/null
+(grow-seq-lg) begin
+(grow-seq-lg) create "testme"
+(grow-seq-lg) open "testme"
+(grow-seq-lg) writing "testme"
+(grow-seq-lg) close "testme"
+(grow-seq-lg) open "testme" for verification
+(grow-seq-lg) close "testme"
+(grow-seq-lg) end
--- /dev/null
+const char test_name[] = "grow-seq-sm";
+#define TEST_SIZE 5678
+#include "grow-seq.inc"
--- /dev/null
+(grow-seq-sm) begin
+(grow-seq-sm) create "testme"
+(grow-seq-sm) open "testme"
+(grow-seq-sm) writing "testme"
+(grow-seq-sm) close "testme"
+(grow-seq-sm) open "testme" for verification
+(grow-seq-sm) close "testme"
+(grow-seq-sm) end
--- /dev/null
+/* -*- c -*- */
+
+#include "fslib.h"
+
+static char buf[TEST_SIZE];
+
+static size_t
+return_block_size (void)
+{
+ return 1234;
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ seq_test ("testme", buf, sizeof buf, 0, 3, return_block_size, NULL);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+/* -*- c -*- */
+
+#include <syscall.h>
+#include "fslib.h"
+
+const char test_name[] = "grow-sparse";
+static char buf[76543];
+
+int
+main (void)
+{
+ char zero = 0;
+ int fd;
+
+ msg ("begin");
+ check (create ("testfile", 0), "create \"testfile\"");
+ check ((fd = open ("testfile")) > 1, "open \"testfile\"");
+ msg ("seek \"testfile\"");
+ seek (fd, sizeof buf - 1);
+ check (write (fd, &zero, 1) > 0, "write \"testfile\"");
+ msg ("close \"testfile\"");
+ close (fd);
+ check_file ("testfile", buf, sizeof buf);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+(grow-sparse) begin
+(grow-sparse) create "testfile"
+(grow-sparse) open "testfile"
+(grow-sparse) seek "testfile"
+(grow-sparse) write "testfile"
+(grow-sparse) close "testfile"
+(grow-sparse) open "testfile" for verification
+(grow-sparse) close "testfile"
+(grow-sparse) end
--- /dev/null
+/* -*- c -*- */
+
+#include <syscall.h>
+#include "fslib.h"
+
+const char test_name[] = "grow-tell";
+static char buf[2134];
+
+static size_t
+return_block_size (void)
+{
+ return 37;
+}
+
+static void
+check_tell (int fd, long ofs)
+{
+ long pos = tell (fd);
+ if (pos != ofs)
+ fail ("file position not updated properly: should be %ld, actually %ld",
+ ofs, pos);
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ seq_test ("foobar", buf, sizeof buf, 0, 1, return_block_size, check_tell);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+(grow-tell) begin
+(grow-tell) create "foobar"
+(grow-tell) open "foobar"
+(grow-tell) writing "foobar"
+(grow-tell) close "foobar"
+(grow-tell) open "foobar" for verification
+(grow-tell) close "foobar"
+(grow-tell) end
--- /dev/null
+#include <random.h>
+#include <syscall.h>
+#include "fslib.h"
+
+const char test_name[] = "grow-two-files";
+
+#define FILE_SIZE 8143
+static char buf_a[FILE_SIZE];
+static char buf_b[FILE_SIZE];
+
+static void
+write_some_bytes (const char *filename, int fd, const char *buf, size_t *ofs)
+{
+ if (*ofs < FILE_SIZE)
+ {
+ size_t block_size = random_ulong () % (FILE_SIZE / 8) + 1;
+ if (block_size > FILE_SIZE - *ofs)
+ block_size = FILE_SIZE - *ofs;
+
+ if (write (fd, buf + *ofs, block_size) <= 0)
+ fail ("write %zu bytes at offset %zu in \"%s\"",
+ block_size, *ofs, filename);
+ *ofs += block_size;
+ }
+}
+
+int
+main (void)
+{
+ int fd_a, fd_b;
+ size_t ofs_a, ofs_b;
+
+ random_init (0);
+ random_bytes (buf_a, sizeof buf_a);
+ random_bytes (buf_b, sizeof buf_b);
+
+ check (create ("a", 0), "create \"a\"");
+ check (create ("b", 0), "create \"b\"");
+
+ check ((fd_a = open ("a")) > 1, "open \"a\"");
+ check ((fd_b = open ("b")) > 1, "open \"b\"");
+
+ msg ("write \"a\" and \"b\" alternately");
+ while (ofs_a < FILE_SIZE || ofs_b < FILE_SIZE)
+ {
+ write_some_bytes ("a", fd_a, buf_a, &ofs_a);
+ write_some_bytes ("b", fd_b, buf_b, &ofs_b);
+ }
+
+ msg ("close \"a\"");
+ close (fd_a);
+
+ msg ("close \"b\"");
+ close (fd_b);
+
+ check_file ("a", buf_a, FILE_SIZE);
+ check_file ("b", buf_b, FILE_SIZE);
+
+ return 0;
+}
--- /dev/null
+(grow-two-files) create "a"
+(grow-two-files) create "b"
+(grow-two-files) open "a"
+(grow-two-files) open "b"
+(grow-two-files) write "a" and "b" alternately
+(grow-two-files) close "a"
+(grow-two-files) close "b"
+(grow-two-files) open "a" for verification
+(grow-two-files) close "a"
+(grow-two-files) open "b" for verification
+(grow-two-files) close "b"
--- /dev/null
+diff -up /home/blp/cs140/pintos/src/lib/debug.c.\~1.8.\~ /home/blp/cs140/pintos/src/lib/debug.c
+--- /home/blp/cs140/pintos/src/lib/debug.c.~1.8.~ 2004-09-12 13:14:11.000000000 -0700
++++ /home/blp/cs140/pintos/src/lib/debug.c 2004-10-17 00:02:32.000000000 -0700
+@@ -5,6 +5,7 @@
+ #include <stdio.h>
+ #include <string.h>
+ #ifdef KERNEL
++#include "threads/init.h"
+ #include "threads/interrupt.h"
+ #include "devices/serial.h"
+ #else
+@@ -83,7 +84,7 @@ debug_panic (const char *file, int line,
+
+ #ifdef KERNEL
+ serial_flush ();
+- for (;;);
++ power_off ();
+ #else
+ exit (1);
+ #endif
--- /dev/null
+/* -*- c -*- */
+
+#include <random.h>
+#include <stdio.h>
+#include <string.h>
+#include <syscall.h>
+#include "fslib.h"
+
+#if TEST_SIZE % BLOCK_SIZE != 0
+#error TEST_SIZE must be a multiple of BLOCK_SIZE
+#endif
+
+#define BLOCK_CNT (TEST_SIZE / BLOCK_SIZE)
+
+char buf[TEST_SIZE];
+int order[BLOCK_CNT];
+
+int
+main (void)
+{
+ int fd;
+ size_t i;
+
+ msg ("begin");
+
+ random_init (57);
+ random_bytes (buf, sizeof buf);
+
+ for (i = 0; i < BLOCK_CNT; i++)
+ order[i] = i;
+
+ check (create ("bazzle", TEST_SIZE), "create \"bazzle\"");
+ check ((fd = open ("bazzle")) > 1, "open \"bazzle\"");
+
+ msg ("write \"bazzle\" in random order");
+ shuffle (order, BLOCK_CNT, sizeof *order);
+ for (i = 0; i < BLOCK_CNT; i++)
+ {
+ size_t ofs = BLOCK_SIZE * order[i];
+ seek (fd, ofs);
+ if (write (fd, buf + ofs, BLOCK_SIZE) <= 0)
+ fail ("write %d bytes at offset %zu failed", (int) BLOCK_SIZE, ofs);
+ }
+
+ msg ("read \"bazzle\" in random order");
+ shuffle (order, BLOCK_CNT, sizeof *order);
+ for (i = 0; i < BLOCK_CNT; i++)
+ {
+ char block[BLOCK_SIZE];
+ size_t ofs = BLOCK_SIZE * order[i];
+ seek (fd, ofs);
+ if (read (fd, block, BLOCK_SIZE) <= 0)
+ fail ("read %d bytes at offset %zu failed", (int) BLOCK_SIZE, ofs);
+ if (memcmp (block, buf + ofs, BLOCK_SIZE))
+ {
+ printf ("Expected data:\n");
+ hex_dump (ofs, buf + ofs, BLOCK_SIZE, false);
+ printf ("Actually read data:\n");
+ hex_dump (ofs, block, BLOCK_SIZE, false);
+ fail ("%d bytes at offset %zu differed from expected",
+ (int) BLOCK_SIZE, ofs);
+ }
+ }
+
+ fail ("close \"bazzle\"");
+ close (fd);
+
+ msg ("end");
+ return 0;
+}
--- /dev/null
+#! /usr/bin/perl
+
+# Find the directory that contains the grading files.
+our ($GRADES_DIR);
+
+# Add our Perl library directory to the include path.
+BEGIN {
+ ($GRADES_DIR = $0) =~ s#/[^/]+$##;
+ -d $GRADES_DIR or die "$GRADES_DIR: stat: $!\n";
+ unshift @INC, "$GRADES_DIR/../lib";
+}
+
+use warnings;
+use strict;
+use POSIX;
+use Algorithm::Diff;
+use Getopt::Long;
+
+our ($verbose) = 0; # Verbosity of output
+our (@TESTS); # Tests to run.
+my ($clean) = 0;
+my ($grade) = 0;
+
+GetOptions ("v|verbose+" => \$verbose,
+ "h|help" => sub { usage (0) },
+ "t|test=s" => \@TESTS,
+ "c|clean" => \$clean,
+ "g|grade" => \$grade)
+ or die "Malformed command line; use --help for help.\n";
+die "Non-option argument not supported; use --help for help.\n"
+ if @ARGV > 0;
+
+sub usage {
+ my ($exitcode) = @_;
+ print "run-tests, for grading Pintos multiprogramming projects.\n\n";
+ print "Invoke from a directory containing a student tarball named by\n";
+ print "the submit script, e.g. username.Oct.12.04.20.04.09.tar.gz.\n";
+ print "In normal usage, no options are needed.\n\n";
+ print "Output is produced in tests.out and details.out.\n\n";
+ print "Options:\n";
+ print " -c, --clean Remove old output files before starting\n";
+ print " -t, --test=TEST Execute TEST only (allowed multiple times)\n";
+ print " -g, --grade Instead of running tests, compose grade.out\n";
+ print " -v, --verbose Print commands before executing them\n";
+ print " -h, --help Print this help message\n";
+ exit $exitcode;
+}
+
+# Default set of tests.
+@TESTS = qw (sm-create sm-full sm-seq-block sm-seq-random sm-random
+ grow-create grow-seq-sm grow-seq-lg grow-file-size grow-tell
+ grow-sparse grow-root-sm grow-root-lg grow-dir-lg grow-two-files
+ ) unless @TESTS > 0;
+
+our (%args);
+
+# Handle final grade mode.
+if ($grade) {
+ open (OUT, ">grade.out") or die "grade.out: create: $!\n";
+
+ open (GRADE, "<grade.txt") or die "grade.txt: open: $!\n";
+ while (<GRADE>) {
+ last if /^\s*$/;
+ print OUT;
+ }
+ close (GRADE);
+
+ my (@tests) = snarf ("tests.out");
+ my ($p_got, $p_pos) = $tests[0] =~ m%\((\d+)/(\d+)\)% or die;
+
+ my (@review) = snarf ("review.txt");
+ my ($part_lost) = (0, 0);
+ for (my ($i) = $#review; $i >= 0; $i--) {
+ local ($_) = $review[$i];
+ if (my ($loss) = /^\s*([-+]\d+)/) {
+ $part_lost += $loss;
+ } elsif (my ($out_of) = m%\[\[/(\d+)\]\]%) {
+ my ($got) = $out_of + $part_lost;
+ $got = 0 if $got < 0;
+ $review[$i] =~ s%\[\[/\d+\]\]%($got/$out_of)% or die;
+ $part_lost = 0;
+
+ $p_got += $got;
+ $p_pos += $out_of;
+ }
+ }
+ die "Lost points outside a section\n" if $part_lost;
+
+ for (my ($i) = 1; $i <= $#review; $i++) {
+ if ($review[$i] =~ /^-{3,}\s*$/ && $review[$i - 1] !~ /^\s*$/) {
+ $review[$i] = '-' x (length ($review[$i - 1]));
+ }
+ }
+
+ print OUT "\nOVERALL SCORE\n";
+ print OUT "-------------\n";
+ print OUT "$p_got points out of $p_pos total\n\n";
+
+ print OUT map ("$_\n", @tests), "\n";
+ print OUT map ("$_\n", @review), "\n";
+
+ print OUT "DETAILS\n";
+ print OUT "-------\n\n";
+ print OUT map ("$_\n", snarf ("details.out"));
+
+ exit 0;
+}
+
+if ($clean) {
+ # Verify that we're roughly in the correct directory
+ # before we go blasting away files.
+ choose_tarball ();
+
+ xsystem ("rm -rf output pintos", VERBOSE => 1);
+ xsystem ("rm -f details.out tests.out", VERBOSE => 1);
+}
+
+# Create output directory, if it doesn't already exist.
+-d ("output") || mkdir ("output") or die "output: mkdir: $!\n";
+
+# Extract submission.
+extract_tarball () if ! -d "pintos";
+
+# Compile submission.
+compile ();
+
+# Verify that the proper directory was submitted.
+-d "pintos/src/threads" or die "pintos/src/threads: stat: $!\n";
+
+# Run and grade the tests.
+our $test;
+our %result;
+our %details;
+our %extra;
+for $test (@TESTS) {
+ print "$test: ";
+ my ($result) = run_test ($test);
+ if ($result eq 'ok') {
+ $result = grade_test ($test);
+ $result =~ s/\n$//;
+ }
+ print "$result";
+ print " - with warnings" if $result eq 'ok' && defined $details{$test};
+ print "\n";
+
+ $result{$test} = $result;
+}
+
+# Write output.
+write_grades ();
+write_details ();
+\f
+sub choose_tarball {
+ my (@tarballs)
+ = grep (/^[a-z0-9]+\.[A-Za-z]+\.\d+\.\d+\.\d+\.\d+.\d+\.tar\.gz$/,
+ glob ("*.tar.gz"));
+ die "no pintos dir and no source tarball\n" if scalar (@tarballs) == 0;
+
+ # Sort tarballs in reverse order by time.
+ @tarballs = sort { ext_mdyHMS ($b) cmp ext_mdyHMS ($a) } @tarballs;
+
+ print "Multiple tarballs: choosing $tarballs[0]\n"
+ if scalar (@tarballs) > 1;
+ return $tarballs[0];
+}
+
+sub extract_tarball {
+ my ($tarball) = choose_tarball ();
+
+ mkdir "pintos" or die "pintos: mkdir: $!\n";
+ mkdir "pintos/src" or die "pintos: mkdir: $!\n";
+
+ print "Extracting $tarball...\n";
+ xsystem ("cd pintos/src && tar xzf ../../$tarball",
+ DIE => "extraction failed\n");
+
+ if (-e "fixme.sh") {
+ print "Running fixme.sh...\n";
+ xsystem ("sh -e fixme.sh", DIE => "fix script failed\n");
+ }
+
+ print "Patching...\n";
+ xsystem ("patch -fs pintos/src/lib/debug.c < $GRADES_DIR/panic.diff",
+ LOG => "patch",
+ DIE => "patch failed\n");
+
+ open (CONSTANTS, ">pintos/src/constants.h")
+ or die "constants.h: create: $!\n";
+ print CONSTANTS "#define THREAD_JOIN_IMPLEMENTED 1\n";
+ close CONSTANTS;
+}
+
+sub ext_mdyHMS {
+ my ($s) = @_;
+ my ($ms, $d, $y, $H, $M, $S) =
+ $s =~ /.([A-Za-z]+)\.(\d+)\.(\d+)\.(\d+)\.(\d+).(\d+)\.tar\.gz$/
+ or die;
+ my ($m) = index ("janfebmaraprmayjunjulaugsepoctnovdec", lc $ms) / 3
+ or die;
+ return sprintf "%02d-%02d-%02d %02d:%02d:%02d", $y, $m, $d, $H, $M, $S;
+}
+\f
+sub test_source {
+ my ($test) = @_;
+ my ($src) = "$GRADES_DIR/$test.c";
+ -e $src or die "$src: stat: $!\n";
+ return $src;
+}
+
+sub test_constants {
+ my ($defines) = "";
+ return $defines;
+ }
+
+sub run_test {
+ my ($test) = @_;
+
+ # Reuse older results if any
+ if (open (DONE, "<output/$test/done")) {
+ my ($status);
+ $status = <DONE>;
+ chomp $status;
+ close (DONE);
+ return $status;
+ }
+
+ # Really run the test.
+ my ($status) = really_run_test ($test);
+
+ # Save the results for later.
+ open (DONE, ">output/$test/done") or die "output/$test/done: create: $!\n";
+ print DONE "$status\n";
+ close (DONE);
+
+ return $status;
+}
+
+sub compile {
+ print "Compiling...\n";
+ xsystem ("cd pintos/src/vm && make", LOG => "make")
+ or return "compile error";
+}
+
+sub really_run_test {
+ # Need to run it.
+ # If there's residue from an earlier test, move it to .old.
+ # If there's already a .old, delete it.
+ xsystem ("rm -rf output/$test.old", VERBOSE => 1) if -d "output/$test.old";
+ rename "output/$test", "output/$test.old" or die "rename: $!\n"
+ if -d "output/$test";
+
+ # Make output directory.
+ mkdir "output/$test";
+ xsystem ("pintos make-disk output/$test/fs.dsk 2 >/dev/null 2>&1",
+ DIE => "failed to create file system disk");
+ xsystem ("pintos make-disk output/$test/swap.dsk 2 >/dev/null 2>&1",
+ DIE => "failed to create swap disk");
+
+ # Format disk, install test.
+ my ($pintos_base_cmd) =
+ "pintos "
+ . "--os-disk=pintos/src/vm/build/os.dsk "
+ . "--fs-disk=output/$test/fs.dsk "
+ . "--swap-disk=output/$test/swap.dsk "
+ . "-v";
+ unlink ("output/$test/fs.dsk", "output/$test/swap.dsk"),
+ return "format/put error"
+ if !xsystem ("$pintos_base_cmd put -f $GRADES_DIR/$test $test",
+ LOG => "$test/put", TIMEOUT => 60, EXPECT => 1);
+
+ # Run.
+ my ($timeout) = 60;
+ my ($testargs) = defined ($args{$test}) ? " $args{$test}" : "";
+ my ($result) =
+ xsystem ("$pintos_base_cmd run -q -ex \"$test$testargs\"",
+ LOG => "$test/run", TIMEOUT => $timeout, EXPECT => 1)
+ ? "ok" : "Bochs error";
+ unlink ("output/$test/fs.dsk", "output/$test/swap.dsk");
+ return $result;
+}
+
+sub grade_test {
+ my ($test) = @_;
+
+ my (@output) = snarf ("output/$test/run.out");
+
+ my ($grade_func) = "grade_$test";
+ $grade_func =~ s/-/_/g;
+ if (-e "$GRADES_DIR/$test.exp" && !defined (&$grade_func)) {
+ eval {
+ verify_common (@output);
+ compare_output ("$GRADES_DIR/$test.exp", @output);
+ }
+ } else {
+ eval "$grade_func (\@output)";
+ }
+ if ($@) {
+ die $@ if $@ =~ /at \S+ line \d+$/;
+ return $@;
+ }
+ return "ok";
+}
+\f
+sub grade_process_death {
+ my ($proc_name, @output) = @_;
+
+ verify_common (@output);
+ @output = get_core_output (@output);
+ die "First line of output is not `($proc_name) begin' message.\n"
+ if $output[0] ne "($proc_name) begin";
+ die "Output contains `FAIL' message.\n"
+ if grep (/FAIL/, @output);
+ die "Output contains spurious ($proc_name) message.\n"
+ if grep (/\($proc_name\)/, @output) > 1;
+}
+
+sub grade_pt_bad_addr {
+ grade_process_death ('pt-bad-addr', @_);
+}
+
+sub grade_pt_write_code {
+ grade_process_death ('pt-write-code', @_);
+}
+
+sub grade_mmap_unmap {
+ grade_process_death ('mmap-unmap', @_);
+}
+\f
+sub verify_common {
+ my (@output) = @_;
+
+ my (@assertion) = grep (/PANIC/, @output);
+ if (@assertion != 0) {
+ my ($details) = "Kernel panic:\n $assertion[0]\n";
+
+ my (@stack_line) = grep (/Call stack:/, @output);
+ if (@stack_line != 0) {
+ $details .= " $stack_line[0]\n\n";
+ $details .= "Translation of backtrace:\n";
+ my (@addrs) = $stack_line[0] =~ /Call stack:((?: 0x[0-9a-f]+)+)/;
+
+ my ($A2L);
+ if (`uname -m`
+ =~ /i.86|pentium.*|[pk][56]|nexgen|viac3|6x86|athlon.*/) {
+ $A2L = "addr2line";
+ } else {
+ $A2L = "i386-elf-addr2line";
+ }
+ open (A2L, "$A2L -fe pintos/src/vm/build/kernel.o @addrs|");
+ for (;;) {
+ my ($function, $line);
+ last unless defined ($function = <A2L>);
+ $line = <A2L>;
+ chomp $function;
+ chomp $line;
+ $details .= " $function ($line)\n";
+ }
+ }
+
+ if ($assertion[0] =~ /sec_no < d->capacity/) {
+ $details .= <<EOF;
+\nThis assertion commonly fails when accessing a file via
+an inode that has been closed and freed. Freeing an inode
+clears all its sector indexes to 0xcccccccc, which is not
+a valid sector number for disks smaller than about 1.6 TB.
+EOF
+ }
+
+ $extra{$test} = $details;
+ die "Kernel panic. Details at end of file.\n"
+ }
+
+ if (grep (/Pintos booting/, @output) > 1) {
+ my ($details);
+
+ $details = "Pintos spontaneously rebooted during this test.\n";
+ $details .= "This is most often due to unhandled page faults.\n";
+ $details .= "Here's the output from the initial boot through the\n";
+ $details .= "first reboot:\n\n";
+
+ my ($i) = 0;
+ local ($_);
+ for (@output) {
+ $details .= " $_\n";
+ last if /Pintos booting/ && ++$i > 1;
+ }
+ $details{$test} = $details;
+ die "Triple-fault caused spontaneous reboot(s). "
+ . "Details at end of file.\n";
+ }
+
+ die "No output at all\n" if @output == 0;
+ die "Didn't start up properly: no \"Pintos booting\" startup message\n"
+ if !grep (/Pintos booting with.*kB RAM\.\.\./, @output);
+ die "Didn't start up properly: no \"Boot complete\" startup message\n"
+ if !grep (/Boot complete/, @output);
+ die "Didn't shut down properly: no \"Timer: # ticks\" shutdown message\n"
+ if !grep (/Timer: \d+ ticks/, @output);
+ die "Didn't shut down properly: no \"Powering off\" shutdown message\n"
+ if !grep (/Powering off/, @output);
+}
+
+# Get @output without header or trailer.
+sub get_core_output {
+ my (@output) = @_;
+
+ our ($test);
+ my ($first);
+ for ($first = 0; $first <= $#output; $first++) {
+ $first++, last if $output[$first] =~ /^Executing '$test.*':$/;
+ }
+
+ my ($last);
+ for ($last = $#output; $last >= 0; $last--) {
+ $last--, last if $output[$last] =~ /^Timer: \d+ ticks$/;
+ }
+
+ if ($last < $first) {
+ my ($no_first) = $first > $#output;
+ my ($no_last) = $last < $#output;
+ die "Couldn't locate output.\n";
+ }
+
+ return @output[$first ... $last];
+}
+
+sub fix_exit_codes {
+ my (@output) = @_;
+
+ # Remove lines that look like exit codes.
+ # Exit codes are supposed to be printed in the form "process: exit(code)"
+ # but people get unfortunately creative with it.
+ for (my ($i) = 0; $i <= $#output; $i++) {
+ local ($_) = $output[$i];
+
+ my ($process, $code);
+ if ((($process, $code) = /^([-a-z0-9 ]+):.*[ \(](-?\d+)\b\)?$/)
+ || (($process, $code) = /^([-a-z0-9 ]+) exit\((-?\d+)\)$/)
+ || (($process, $code)
+ = /^([-a-z0-9 ]+) \(.*\): exit\((-?\d+)\)$/)
+ || (($process, $code) = /^([-a-z0-9 ]+):\( (-?\d+) \) $/)
+ || (($code, $process) = /^shell: exit\((-?\d+)\) \| ([-a-z0-9]+)/)
+ ) {
+ splice (@output, $i, 1);
+ $i--;
+ }
+ }
+
+ return @output;
+}
+
+sub compare_output {
+ my ($exp, @actual) = @_;
+ @actual = fix_exit_codes (get_core_output (map ("$_\n", @actual)));
+ die "Program produced no output.\n" if !@actual;
+
+ my ($details) = "";
+ $details .= "$test actual output:\n";
+ $details .= join ('', map (" $_", @actual));
+
+ my (@exp) = map ("$_\n", snarf ($exp));
+
+ my ($fuzzy_match) = 0;
+ while (@exp != 0) {
+ my (@expected);
+ while (@exp != 0) {
+ my ($s) = shift (@exp);
+ last if $s eq "--OR--\n";
+ push (@expected, $s);
+ }
+
+ $details .= "\n$test acceptable output:\n";
+ $details .= join ('', map (" $_", @expected));
+
+ # Check whether they're the same.
+ if ($#actual == $#expected) {
+ my ($eq) = 1;
+ for (my ($i) = 0; $i <= $#expected; $i++) {
+ $eq = 0 if $actual[$i] ne $expected[$i];
+ }
+ return if $eq;
+ }
+
+ # They differ. Output a diff.
+ my (@diff) = "";
+ my ($d) = Algorithm::Diff->new (\@expected, \@actual);
+ my ($not_fuzzy_match) = 0;
+ while ($d->Next ()) {
+ my ($ef, $el, $af, $al) = $d->Get (qw (min1 max1 min2 max2));
+ if ($d->Same ()) {
+ push (@diff, map (" $_", $d->Items (1)));
+ } else {
+ push (@diff, map ("- $_", $d->Items (1))) if $d->Items (1);
+ push (@diff, map ("+ $_", $d->Items (2))) if $d->Items (2);
+ if ($d->Items (1)
+ || grep (/\($test\)|exit\(-?\d+\)|dying due to|Page fault/,
+ $d->Items (2))) {
+ $not_fuzzy_match = 1;
+ }
+ }
+ }
+ $fuzzy_match = 1 if !$not_fuzzy_match;
+
+ $details .= "Differences in `diff -u' format:\n";
+ $details .= join ('', @diff);
+ $details .= "(This is considered a `fuzzy match'.)\n"
+ if !$not_fuzzy_match;
+ }
+
+ if ($fuzzy_match) {
+ $details =
+ "This test passed, but with extra, unexpected output.\n"
+ . "Please inspect your code to make sure that it does not\n"
+ . "produce output other than as specified in the project\n"
+ . "description.\n\n"
+ . "$details";
+ } else {
+ $details =
+ "This test failed because its output did not match any\n"
+ . "of the acceptable form(s).\n\n"
+ . "$details";
+ }
+
+ $details{$test} = $details;
+ die "Output differs from expected. Details at end of file.\n"
+ unless $fuzzy_match;
+}
+\f
+sub write_grades {
+ my (@summary) = snarf ("$GRADES_DIR/tests.txt");
+
+ my ($ploss) = 0;
+ my ($tloss) = 0;
+ my ($total) = 0;
+ my ($warnings) = 0;
+ for (my ($i) = 0; $i <= $#summary; $i++) {
+ local ($_) = $summary[$i];
+ if (my ($loss, $test) = /^ -(\d+) ([-a-zA-Z0-9]+):/) {
+ my ($result) = $result{$test} || "Not tested.";
+
+ if ($result eq 'ok') {
+ if (!defined $details{$test}) {
+ # Test successful and no warnings.
+ splice (@summary, $i, 1);
+ $i--;
+ } else {
+ # Test successful with warnings.
+ s/-(\d+) //;
+ $summary[$i] = $_;
+ splice (@summary, $i + 1, 0,
+ " Test passed with warnings. "
+ . "Details at end of file.");
+ $warnings++;
+ }
+ } else {
+ $ploss += $loss;
+ $tloss += $loss;
+ splice (@summary, $i + 1, 0,
+ map (" $_", split ("\n", $result)));
+ }
+ } elsif (my ($ptotal) = /^Score: \/(\d+)$/) {
+ $total += $ptotal;
+ $summary[$i] = "Score: " . ($ptotal - $ploss) . "/$ptotal";
+ splice (@summary, $i, 0, " All tests passed.")
+ if $ploss == 0 && !$warnings;
+ $ploss = 0;
+ $warnings = 0;
+ $i++;
+ }
+ }
+ my ($ts) = "(" . ($total - $tloss) . "/" . $total . ")";
+ $summary[0] =~ s/\[\[total\]\]/$ts/;
+
+ open (SUMMARY, ">tests.out");
+ print SUMMARY map ("$_\n", @summary);
+ close (SUMMARY);
+}
+
+sub write_details {
+ open (DETAILS, ">details.out");
+ my ($n) = 0;
+ for my $test (@TESTS) {
+ next if $result{$test} eq 'ok' && !defined $details{$test};
+
+ my ($details) = $details{$test};
+ next if !defined ($details) && ! -e "output/$test/run.out";
+
+ my ($banner);
+ if ($result{$test} ne 'ok') {
+ $banner = "$test failure details";
+ } else {
+ $banner = "$test warnings";
+ }
+
+ print DETAILS "\n" if $n++;
+ print DETAILS "--- $banner ", '-' x (50 - length ($banner));
+ print DETAILS "\n\n";
+
+ if (!defined $details) {
+ my (@output) = snarf ("output/$test/run.out");
+
+ # Print only the first in a series of recursing panics.
+ my ($panic) = 0;
+ for my $i (0...$#output) {
+ local ($_) = $output[$i];
+ if (/PANIC/ && $panic++ > 0) {
+ @output = @output[0...$i];
+ push (@output,
+ "[...details of recursive panic omitted...]");
+ last;
+ }
+ }
+ $details = "Output:\n\n" . join ('', map ("$_\n", @output));
+ }
+ print DETAILS $details;
+
+ print DETAILS "\n", "-" x 10, "\n\n$extra{$test}"
+ if defined $extra{$test};
+ }
+ close (DETAILS);
+
+}
+\f
+sub xsystem {
+ my ($command, %options) = @_;
+ print "$command\n" if $verbose || $options{VERBOSE};
+
+ my ($log) = $options{LOG};
+
+ my ($pid, $status);
+ eval {
+ local $SIG{ALRM} = sub { die "alarm\n" };
+ alarm $options{TIMEOUT} if defined $options{TIMEOUT};
+ $pid = fork;
+ die "fork: $!\n" if !defined $pid;
+ if (!$pid) {
+ if (defined $log) {
+ open (STDOUT, ">output/$log.out");
+ open (STDERR, ">output/$log.err");
+ }
+ exec ($command);
+ exit (-1);
+ }
+ waitpid ($pid, 0);
+ $status = $?;
+ alarm 0;
+ };
+
+ my ($ok);
+ if ($@) {
+ die unless $@ eq "alarm\n"; # propagate unexpected errors
+ print "Timed out: ";
+ for (my ($i) = 0; $i < 10; $i++) {
+ kill ('SIGTERM', $pid);
+ sleep (1);
+ my ($retval) = waitpid ($pid, WNOHANG);
+ last if $retval == $pid || $retval == -1;
+ print "Waiting for $pid to die" if $i == 0;
+ print ".";
+ }
+ $ok = 1;
+ } else {
+ if (WIFSIGNALED ($status)) {
+ my ($signal) = WTERMSIG ($status);
+ die "Interrupted\n" if $signal == SIGINT;
+ print "Child terminated with signal $signal\n";
+ }
+
+ my ($exp_status) = !defined ($options{EXPECT}) ? 0 : $options{EXPECT};
+ $ok = WIFEXITED ($status) && WEXITSTATUS ($status) == $exp_status;
+ }
+
+
+ if (!$ok && defined $options{DIE}) {
+ my ($msg) = $options{DIE};
+ if (defined ($log)) {
+ chomp ($msg);
+ $msg .= "; see output/$log.err and output/$log.out for details\n";
+ }
+ die $msg;
+ } elsif (defined ($log) && $ok) {
+ unlink ("output/$log.err");
+ }
+
+ return $ok;
+}
+
+sub snarf {
+ my ($file) = @_;
+ open (OUTPUT, $file) or die "$file: open: $!\n";
+ my (@lines) = <OUTPUT>;
+ chomp (@lines);
+ close (OUTPUT);
+ return wantarray ? @lines : join ('', map ("$_\n", @lines));
+}
+
+sub files_equal {
+ my ($a, $b) = @_;
+ my ($equal);
+ open (A, "<$a") or die "$a: open: $!\n";
+ open (B, "<$b") or die "$b: open: $!\n";
+ if (-s A != -s B) {
+ $equal = 0;
+ } else {
+ my ($sa, $sb);
+ for (;;) {
+ sysread (A, $sa, 1024);
+ sysread (B, $sb, 1024);
+ $equal = 0, last if $sa ne $sb;
+ $equal = 1, last if $sa eq '';
+ }
+ }
+ close (A);
+ close (B);
+ return $equal;
+}
+
+sub file_contains {
+ my ($file, $expected) = @_;
+ open (FILE, "<$file") or die "$file: open: $!\n";
+ my ($actual);
+ sysread (FILE, $actual, -s FILE);
+ my ($equal) = $actual eq $expected;
+ close (FILE);
+ return $equal;
+}
+
+sub number_lines {
+ my ($ln, $lines) = @_;
+ my ($out);
+ for my $line (@$lines) {
+ chomp $line;
+ $out .= sprintf "%4d %s\n", $ln++, $line;
+ }
+ return $out;
+}
--- /dev/null
+/* -*- c -*- */
+
+#include "fslib.h"
+
+static char buf[TEST_SIZE];
+
+static size_t
+return_block_size (void)
+{
+ return BLOCK_SIZE;
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ seq_test ("noodle", buf, sizeof buf, sizeof buf, 4,
+ return_block_size, NULL);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+/* -*- c -*- */
+
+#include <random.h>
+#include "fslib.h"
+
+static char buf[TEST_SIZE];
+
+static size_t
+return_random (void)
+{
+ return random_ulong () % 1031 + 1;
+}
+
+int
+main (void)
+{
+ msg ("begin");
+ random_init (-1);
+ seq_test ("nibble", buf, sizeof buf, sizeof buf, 5, return_random, NULL);
+ msg ("end");
+ return 0;
+}
--- /dev/null
+const char test_name[] = "sm-create";
+#define TEST_SIZE 5678
+#include "create.inc"
--- /dev/null
+(sm-create) begin
+(sm-create) create testfile
+(sm-create) open "testfile" for verification
+(sm-create) close "testfile"
+(sm-create) end
--- /dev/null
+const char test_name[] = "sm-full";
+#define TEST_SIZE 5678
+#include "full.inc"
--- /dev/null
+(sm-full) begin
+(sm-full) create "quux"
+(sm-full) open "quux"
+(sm-full) writing "quux"
+(sm-full) close "quux"
+(sm-full) open "quux" for verification
+(sm-full) close "quux"
+(sm-full) end
--- /dev/null
+const char test_name[] = "sm-random";
+#define BLOCK_SIZE 13
+#define TEST_SIZE (13 * 123)
+#include "random.inc"
--- /dev/null
+(sm-random) begin
+(sm-random) create "bazzle"
+(sm-random) open "bazzle"
+(sm-random) write "bazzle" in random order
+(sm-random) read "bazzle" in random order
+(sm-random) close "bazzle"
--- /dev/null
+const char test_name[] = "sm-seq-block";
+#define TEST_SIZE 5678
+#define BLOCK_SIZE 513
+#include "seq-block.inc"
--- /dev/null
+(sm-seq-block) begin
+(sm-seq-block) create "noodle"
+(sm-seq-block) open "noodle"
+(sm-seq-block) writing "noodle"
+(sm-seq-block) close "noodle"
+(sm-seq-block) open "noodle" for verification
+(sm-seq-block) close "noodle"
+(sm-seq-block) end
--- /dev/null
+const char test_name[] = "sm-seq-random";
+#define TEST_SIZE 5678
+#include "seq-random.inc"
--- /dev/null
+(sm-seq-random) begin
+(sm-seq-random) create "nibble"
+(sm-seq-random) open "nibble"
+(sm-seq-random) writing "nibble"
+(sm-seq-random) close "nibble"
+(sm-seq-random) open "nibble" for verification
+(sm-seq-random) close "nibble"
+(sm-seq-random) end
grow-seq-lg: extend empty file sequentially to large size, verify
grow-file-size: filesize must return proper value as file grows
grow-tell: tell must return proper value as file grows
- grow-sparse: create empty file, seek to 128 kB, write byte, verify zeroing
+ grow-sparse: create empty file, seek past 64 kB, write byte, verify zeroing
grow-root-sm: create 20 small files in root directory
grow-root-lg: create 50 small files in root directory
grow-dir-lg: create subdirectory, create 50 small files in it
page-linear page-parallel page-merge-seq page-merge-par \
page-shuffle mmap-read mmap-close mmap-unmap mmap-overlap \
mmap-twice mmap-write mmap-exit mmap-shuffle
-pt_grow_stack_SRC = pt-grow-stack.c arc4.c cksum.c
-pt_big_stk_obj_SRC = pt-big-stk-obj.c arc4.c cksum.c
+pt_grow_stack_SRC = pt-grow-stack.c ../lib/arc4.c ../lib/cksum.c
+pt_big_stk_obj_SRC = pt-big-stk-obj.c ../lib/arc4.c ../lib/cksum.c
pt_bad_addr_SRC = pt-bad-addr.c
pt_write_code_SRC = pt-write-code.c
-page_linear_SRC = page-linear.c arc4.c
+page_linear_SRC = page-linear.c ../lib/arc4.c
page_parallel_SRC = page-parallel.c
-page_merge_seq_SRC = page-merge-seq.c arc4.c
-page_merge_par_SRC = page-merge-par.c arc4.c
-page_shuffle_SRC = page-shuffle.c arc4.c cksum.c
+page_merge_seq_SRC = page-merge-seq.c ../lib/arc4.c
+page_merge_par_SRC = page-merge-par.c ../lib/arc4.c
+page_shuffle_SRC = page-shuffle.c ../lib/arc4.c ../lib/cksum.c
mmap_read_SRC = mmap-read.c
mmap_close_SRC = mmap-close.c
mmap_unmap_SRC = mmap-unmap.c
mmap_twice_SRC = mmap-twice.c
mmap_write_SRC = mmap-write.c
mmap_exit_SRC = mmap-exit.c
-mmap_shuffle_SRC = mmap-shuffle.c arc4.c cksum.c
+mmap_shuffle_SRC = mmap-shuffle.c ../lib/arc4.c ../lib/cksum.c
PROGS = $(TESTS) child-linear child-sort child-mm-wrt
-child_linear_SRC = child-linear.c arc4.c
+child_linear_SRC = child-linear.c ../lib/arc4.c
child_sort_SRC = child-sort.c
child_mm_wrt_SRC = child-mm-wrt.c
+++ /dev/null
-#include <stdint.h>
-#include "arc4.h"
-
-/* Swap bytes. */
-static inline void
-swap_byte (uint8_t *a, uint8_t *b)
-{
- uint8_t t = *a;
- *a = *b;
- *b = t;
-}
-
-void
-arc4_init (struct arc4 *arc4, const void *key_, size_t size)
-{
- const uint8_t *key = key_;
- size_t key_idx;
- uint8_t *s;
- int i, j;
-
- s = arc4->s;
- arc4->i = arc4->j = 0;
- for (i = 0; i < 256; i++)
- s[i] = i;
- for (key_idx = 0, i = j = 0; i < 256; i++)
- {
- j = (j + s[i] + key[key_idx]) & 255;
- swap_byte (s + i, s + j);
- if (++key_idx >= size)
- key_idx = 0;
- }
-}
-
-void
-arc4_crypt (struct arc4 *arc4, void *buf_, size_t size)
-{
- uint8_t *buf = buf_;
- uint8_t *s;
- uint8_t i, j;
-
- s = arc4->s;
- i = arc4->i;
- j = arc4->j;
- while (size-- > 0)
- {
- i += 1;
- j += s[i];
- swap_byte (s + i, s + j);
- *buf++ ^= s[(s[i] + s[j]) & 255];
- }
- arc4->i = i;
- arc4->j = j;
-}
+++ /dev/null
-#ifndef ARC4_H
-#define ARC4_H
-
-#include <stddef.h>
-#include <stdint.h>
-
-/* Alleged RC4 algorithm encryption state. */
-struct arc4
- {
- uint8_t s[256];
- uint8_t i, j;
- };
-
-void arc4_init (struct arc4 *, const void *, size_t);
-void arc4_crypt (struct arc4 *, void *, size_t);
-
-
-#endif /* arc4.h */
#include <stdio.h>
#include <string.h>
-#include "arc4.h"
+#include "../lib/arc4.h"
#define SIZE (128 * 1024)
+++ /dev/null
-/* crctab[] and cksum() are from the `cksum' entry in SUSv3. */
-
-#include "cksum.h"
-
-static unsigned long crctab[] = {
- 0x00000000,
- 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
- 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6,
- 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
- 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac,
- 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f,
- 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a,
- 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
- 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58,
- 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033,
- 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe,
- 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
- 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4,
- 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
- 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5,
- 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
- 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07,
- 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c,
- 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1,
- 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
- 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b,
- 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698,
- 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d,
- 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
- 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f,
- 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
- 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80,
- 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
- 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a,
- 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629,
- 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c,
- 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
- 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e,
- 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65,
- 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8,
- 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
- 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2,
- 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
- 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74,
- 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
- 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21,
- 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a,
- 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087,
- 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
- 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d,
- 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce,
- 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb,
- 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
- 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09,
- 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
- 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf,
- 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
-};
-
-/* This is the algorithm used by the Posix `cksum' utility. */
-unsigned long cksum(const unsigned char *b, size_t n)
-{
- register unsigned i, c, s = 0;
- for (i = n; i > 0; --i) {
- c = (unsigned)(*b++);
- s = (s << 8) ^ crctab[(s >> 24) ^ c];
- }
- while (n != 0) {
- c = n & 0377;
- n >>= 8;
- s = (s << 8) ^ crctab[(s >> 24) ^ c];
- }
- return ~s;
-}
-
-#ifdef STANDALONE_TEST
-#include <stdio.h>
-int
-main (void)
-{
- char buf[65536];
- int n = fread (buf, 1, sizeof buf, stdin);
- printf ("%lu\n", cksum (buf, n));
- return 0;
-}
-#endif
+++ /dev/null
-#ifndef CKSUM_H
-#define CKSUM_H
-
-#include <stddef.h>
-
-unsigned long cksum(const unsigned char *b, size_t n);
-
-#endif /* cksum.h */
#include <stdio.h>
#include <string.h>
-#include "arc4.h"
+#include "../lib/arc4.h"
#include "sample.inc"
#ifdef PINTOS
#include <syscall.h>
#else
#include "posix-compat.h"
#endif
-#include "arc4.h"
-#include "cksum.h"
+#include "../lib/arc4.h"
+#include "../lib/cksum.h"
#define SIZE (63 * 1024) /* Max file size. */
static char *buf = (char *) 0x10000000;
#include <stdio.h>
-#include "arc4.h"
+#include "../lib/arc4.h"
#define SIZE (128 * 1024)
#else
#include "posix-compat.h"
#endif
-#include "arc4.h"
+#include "../lib/arc4.h"
#define CHUNK_SIZE (63 * 1024) /* Max file size. */
#define CHUNK_CNT 8 /* Number of chunks. */
#else
#include "posix-compat.h"
#endif
-#include "arc4.h"
+#include "../lib/arc4.h"
#define CHUNK_SIZE (63 * 1024) /* Max file size. */
#define CHUNK_CNT 16 /* Number of chunks. */
#include <stdbool.h>
#include <stdio.h>
-#include "arc4.h"
-#include "cksum.h"
+#include "../lib/arc4.h"
+#include "../lib/cksum.h"
#define SIZE (128 * 1024)
#include <stdio.h>
#include <string.h>
-#include "arc4.h"
-#include "cksum.h"
+#include "../lib/arc4.h"
+#include "../lib/cksum.h"
int
main (void)
#include <stdio.h>
#include <string.h>
-#include "arc4.h"
-#include "cksum.h"
+#include "../lib/arc4.h"
+#include "../lib/cksum.h"
int
main (void)