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Commit | Line | Data |
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92b27c74 | 1 | #include <errno.h> |
c4292489 UD |
2 | #include <fcntl.h> |
3 | #include <stdio.h> | |
4 | #include <stdlib.h> | |
5 | #include <string.h> | |
6 | #include <unistd.h> | |
7 | #include <sys/stat.h> | |
06a7803c | 8 | #include <sys/statvfs.h> |
c4292489 UD |
9 | |
10 | ||
11 | static int do_test (void); | |
12 | #define TEST_FUNCTION do_test () | |
c4292489 UD |
13 | #include <test-skeleton.c> |
14 | ||
15 | ||
16 | static int | |
17 | do_test (void) | |
18 | { | |
19 | char *buf; | |
20 | int fd; | |
21 | FILE *fp; | |
22 | int ch; | |
23 | struct stat st1; | |
24 | struct stat st2; | |
25 | ||
26 | buf = (char *) malloc (strlen (test_dir) + sizeof "/tst-atime.XXXXXX"); | |
27 | if (buf == NULL) | |
28 | { | |
29 | printf ("cannot allocate memory: %m\n"); | |
30 | return 1; | |
31 | } | |
32 | stpcpy (stpcpy (buf, test_dir), "/tst-atime.XXXXXX"); | |
33 | ||
34 | fd = mkstemp (buf); | |
35 | if (fd == -1) | |
36 | { | |
37 | printf ("cannot open temporary file: %m\n"); | |
38 | return 1; | |
39 | } | |
40 | ||
92b27c74 | 41 | #ifdef ST_NOATIME |
06a7803c UD |
42 | /* Make sure the filesystem doesn't have the noatime option set. If |
43 | statvfs is not available just continue. */ | |
b65c0ff9 RM |
44 | struct statvfs sv; |
45 | int e = fstatvfs (fd, &sv); | |
06a7803c UD |
46 | if (e != ENOSYS) |
47 | { | |
48 | if (e != 0) | |
49 | { | |
50 | printf ("cannot statvfs '%s': %m\n", buf); | |
51 | return 1; | |
52 | } | |
53 | ||
54 | if ((sv.f_flag & ST_NOATIME) != 0) | |
55 | { | |
56 | puts ("Bah! The filesystem is mounted with noatime"); | |
57 | return 0; | |
58 | } | |
59 | } | |
92b27c74 | 60 | #endif |
06a7803c | 61 | |
c4292489 UD |
62 | /* Make sure it gets removed. */ |
63 | add_temp_file (buf); | |
64 | ||
65 | if (write (fd, "some string\n", 12) != 12) | |
66 | { | |
67 | printf ("cannot write temporary file: %m\n"); | |
68 | return 1; | |
69 | } | |
70 | ||
71 | if (lseek (fd, 0, SEEK_SET) == (off_t) -1) | |
72 | { | |
73 | printf ("cannot reposition temporary file: %m\n"); | |
74 | return 1; | |
75 | } | |
76 | ||
77 | fp = fdopen (fd, "r"); | |
78 | if (fp == NULL) | |
79 | { | |
80 | printf ("cannot create stream: %m\n"); | |
81 | return 1; | |
82 | } | |
83 | ||
84 | if (fstat (fd, &st1) == -1) | |
85 | { | |
86 | printf ("first stat failed: %m\n"); | |
87 | return 1; | |
88 | } | |
89 | ||
90 | sleep (2); | |
91 | ||
92 | ch = fgetc (fp); | |
93 | if (ch != 's') | |
94 | { | |
95 | printf ("did not read correct character: got '%c', expected 's'\n", ch); | |
96 | return 1; | |
97 | } | |
98 | ||
99 | if (fstat (fd, &st2) == -1) | |
100 | { | |
101 | printf ("second stat failed: %m\n"); | |
102 | return 1; | |
103 | } | |
104 | ||
105 | if (st1.st_atime > st2.st_atime) | |
106 | { | |
107 | puts ("second atime smaller"); | |
108 | return 1; | |
109 | } | |
110 | else if (st1.st_atime == st2.st_atime) | |
111 | { | |
112 | puts ("atime has not changed"); | |
113 | return 1; | |
114 | } | |
115 | ||
116 | fclose (fp); | |
117 | ||
118 | return 0; | |
119 | } |