This source file includes following definitions.
- main
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17 #include <config.h>
18
19 #include <unistd.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (fsync, int, (int));
23
24 #include <errno.h>
25 #include <fcntl.h>
26
27 #include "macros.h"
28
29 int
30 main (void)
31 {
32 int fd;
33 const char *file = "test-fsync.txt";
34
35
36
37 for (fd = 0; fd < 2; fd++)
38 if (fsync (fd) != 0)
39 {
40 ASSERT (errno == EINVAL
41 || errno == ENOTSUP
42 || errno == EBADF
43 || errno == EIO
44 );
45 }
46
47
48 {
49 errno = 0;
50 ASSERT (fsync (-1) == -1);
51 ASSERT (errno == EBADF);
52 }
53 {
54 close (99);
55 errno = 0;
56 ASSERT (fsync (99) == -1);
57 ASSERT (errno == EBADF);
58 }
59
60 fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644);
61 ASSERT (0 <= fd);
62 ASSERT (write (fd, "hello", 5) == 5);
63 ASSERT (fsync (fd) == 0);
64 ASSERT (close (fd) == 0);
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67
68
69 #if !(defined _AIX || defined __CYGWIN__)
70 fd = open (file, O_RDONLY);
71 ASSERT (0 <= fd);
72 {
73 char buf[1];
74 ASSERT (read (fd, buf, sizeof buf) == sizeof buf);
75 }
76 ASSERT (fsync (fd) == 0);
77 ASSERT (close (fd) == 0);
78 #endif
79
80 ASSERT (unlink (file) == 0);
81
82 return 0;
83 }