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1812d50b UD |
1 | #include <stdio.h> |
2 | #include <fcntl.h> | |
3 | #include <stdlib.h> | |
4 | #include <unistd.h> | |
5 | #include <dirent.h> | |
6 | #include <stdbool.h> | |
7 | #include <string.h> | |
ceaa9889 | 8 | #include <sys/stat.h> |
1812d50b | 9 | |
026a84a5 FB |
10 | #include <support/xunistd.h> |
11 | ||
56606ab3 RM |
12 | #ifndef O_NOATIME |
13 | # define O_NOATIME 0 | |
14 | #endif | |
1812d50b UD |
15 | |
16 | static int | |
17 | do_test (void) | |
18 | { | |
19 | char fname[] = "/tmp/jXXXXXX"; | |
20 | int fd = mkstemp (fname); | |
21 | if (fd == -1) | |
22 | { | |
23 | puts ("mkstemp failed"); | |
24 | return 1; | |
25 | } | |
26 | ||
026a84a5 | 27 | xwrite (fd, "hello", 5); |
1812d50b UD |
28 | close (fd); |
29 | ||
30 | struct stat64 st; | |
31 | if (stat64 (fname, &st) == -1) | |
32 | { | |
33 | puts ("first stat failed"); | |
34 | return 0; | |
35 | } | |
36 | ||
37 | /* Make sure there is enough time between the creation and the access. */ | |
38 | sleep (2); | |
39 | ||
40 | fd = open (fname, O_RDONLY | O_NOATIME); | |
41 | if (fd == -1) | |
42 | { | |
43 | puts ("first open failed"); | |
44 | return 1; | |
45 | } | |
46 | ||
47 | char buf[5]; | |
48 | read(fd, buf, sizeof (buf)); | |
49 | close(fd); | |
50 | ||
51 | struct stat64 st2; | |
52 | if (stat64 (fname, &st2) == -1) | |
53 | { | |
54 | puts ("second stat failed"); | |
55 | return 0; | |
56 | } | |
57 | ||
58 | bool no_noatime = false; | |
59 | #ifdef _STATBUF_ST_NSEC | |
60 | if (st.st_atim.tv_sec != st2.st_atim.tv_sec | |
61 | || st.st_atim.tv_nsec != st2.st_atim.tv_nsec) | |
62 | #else | |
63 | if (st.st_atime != st2.st_atime) | |
64 | #endif | |
65 | { | |
66 | puts ("file atime changed"); | |
67 | no_noatime = true; | |
68 | } | |
69 | ||
70 | unlink(fname); | |
71 | ||
72 | strcpy(fname, "/tmp/dXXXXXX"); | |
73 | char *d = mkdtemp (fname); | |
74 | if (d == NULL) | |
75 | { | |
76 | puts ("mkdtemp failed"); | |
77 | return 1; | |
78 | } | |
79 | ||
80 | if (stat64 (d, &st) == -1) | |
81 | { | |
82 | puts ("third stat failed"); | |
83 | return 0; | |
84 | } | |
85 | sleep (2); | |
86 | ||
87 | fd = open64 (d, O_RDONLY|O_NDELAY|O_DIRECTORY|O_NOATIME); | |
88 | if (fd == -1) | |
89 | { | |
90 | puts ("second open failed"); | |
91 | return 1; | |
92 | } | |
93 | DIR *dir = fdopendir (fd); | |
94 | if (dir == NULL) | |
95 | { | |
96 | puts ("fdopendir failed"); | |
97 | return 1; | |
98 | } | |
99 | ||
100 | struct dirent *de; | |
101 | while ((de = readdir (dir)) != NULL) | |
102 | ; | |
103 | ||
104 | closedir (dir); | |
105 | ||
106 | if (stat64 (d, &st2) == -1) | |
107 | { | |
108 | puts ("fourth stat failed"); | |
109 | return 0; | |
110 | } | |
111 | #ifdef _STATBUF_ST_NSEC | |
112 | if (!no_noatime | |
113 | && (st.st_atim.tv_sec != st2.st_atim.tv_sec | |
114 | || st.st_atim.tv_nsec != st2.st_atim.tv_nsec)) | |
115 | #else | |
116 | if (!no_noatime && st.st_atime != st2.st_atime) | |
117 | #endif | |
118 | { | |
119 | puts ("directory atime changed"); | |
120 | return 1; | |
121 | } | |
122 | ||
123 | rmdir(fname); | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
1812d50b UD |
128 | #define TEST_FUNCTION do_test () |
129 | #include "../test-skeleton.c" |