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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 () | |
13 | #define TIMEOUT 5 | |
14 | #include <test-skeleton.c> | |
15 | ||
16 | ||
17 | static int | |
18 | do_test (void) | |
19 | { | |
20 | char *buf; | |
21 | int fd; | |
22 | FILE *fp; | |
23 | int ch; | |
24 | struct stat st1; | |
25 | struct stat st2; | |
26 | ||
27 | buf = (char *) malloc (strlen (test_dir) + sizeof "/tst-atime.XXXXXX"); | |
28 | if (buf == NULL) | |
29 | { | |
30 | printf ("cannot allocate memory: %m\n"); | |
31 | return 1; | |
32 | } | |
33 | stpcpy (stpcpy (buf, test_dir), "/tst-atime.XXXXXX"); | |
34 | ||
35 | fd = mkstemp (buf); | |
36 | if (fd == -1) | |
37 | { | |
38 | printf ("cannot open temporary file: %m\n"); | |
39 | return 1; | |
40 | } | |
41 | ||
92b27c74 | 42 | #ifdef ST_NOATIME |
06a7803c UD |
43 | /* Make sure the filesystem doesn't have the noatime option set. If |
44 | statvfs is not available just continue. */ | |
b65c0ff9 RM |
45 | struct statvfs sv; |
46 | int e = fstatvfs (fd, &sv); | |
06a7803c UD |
47 | if (e != ENOSYS) |
48 | { | |
49 | if (e != 0) | |
50 | { | |
51 | printf ("cannot statvfs '%s': %m\n", buf); | |
52 | return 1; | |
53 | } | |
54 | ||
55 | if ((sv.f_flag & ST_NOATIME) != 0) | |
56 | { | |
57 | puts ("Bah! The filesystem is mounted with noatime"); | |
58 | return 0; | |
59 | } | |
60 | } | |
92b27c74 | 61 | #endif |
06a7803c | 62 | |
c4292489 UD |
63 | /* Make sure it gets removed. */ |
64 | add_temp_file (buf); | |
65 | ||
66 | if (write (fd, "some string\n", 12) != 12) | |
67 | { | |
68 | printf ("cannot write temporary file: %m\n"); | |
69 | return 1; | |
70 | } | |
71 | ||
72 | if (lseek (fd, 0, SEEK_SET) == (off_t) -1) | |
73 | { | |
74 | printf ("cannot reposition temporary file: %m\n"); | |
75 | return 1; | |
76 | } | |
77 | ||
78 | fp = fdopen (fd, "r"); | |
79 | if (fp == NULL) | |
80 | { | |
81 | printf ("cannot create stream: %m\n"); | |
82 | return 1; | |
83 | } | |
84 | ||
85 | if (fstat (fd, &st1) == -1) | |
86 | { | |
87 | printf ("first stat failed: %m\n"); | |
88 | return 1; | |
89 | } | |
90 | ||
91 | sleep (2); | |
92 | ||
93 | ch = fgetc (fp); | |
94 | if (ch != 's') | |
95 | { | |
96 | printf ("did not read correct character: got '%c', expected 's'\n", ch); | |
97 | return 1; | |
98 | } | |
99 | ||
100 | if (fstat (fd, &st2) == -1) | |
101 | { | |
102 | printf ("second stat failed: %m\n"); | |
103 | return 1; | |
104 | } | |
105 | ||
106 | if (st1.st_atime > st2.st_atime) | |
107 | { | |
108 | puts ("second atime smaller"); | |
109 | return 1; | |
110 | } | |
111 | else if (st1.st_atime == st2.st_atime) | |
112 | { | |
113 | puts ("atime has not changed"); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | fclose (fp); | |
118 | ||
119 | return 0; | |
120 | } |