aboutsummaryrefslogtreecommitdiff
path: root/dirent/tst-fdopendir.c
diff options
context:
space:
mode:
Diffstat (limited to 'dirent/tst-fdopendir.c')
-rw-r--r--dirent/tst-fdopendir.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/dirent/tst-fdopendir.c b/dirent/tst-fdopendir.c
new file mode 100644
index 0000000..3cf315d
--- /dev/null
+++ b/dirent/tst-fdopendir.c
@@ -0,0 +1,124 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <stdbool.h>
+#include <string.h>
+
+
+static int
+do_test (void)
+{
+ char fname[] = "/tmp/jXXXXXX";
+ int fd = mkstemp (fname);
+ if (fd == -1)
+ {
+ puts ("mkstemp failed");
+ return 1;
+ }
+
+ write (fd, "hello", 5);
+ close (fd);
+
+ struct stat64 st;
+ if (stat64 (fname, &st) == -1)
+ {
+ puts ("first stat failed");
+ return 0;
+ }
+
+ /* Make sure there is enough time between the creation and the access. */
+ sleep (2);
+
+ fd = open (fname, O_RDONLY | O_NOATIME);
+ if (fd == -1)
+ {
+ puts ("first open failed");
+ return 1;
+ }
+
+ char buf[5];
+ read(fd, buf, sizeof (buf));
+ close(fd);
+
+ struct stat64 st2;
+ if (stat64 (fname, &st2) == -1)
+ {
+ puts ("second stat failed");
+ return 0;
+ }
+
+ bool no_noatime = false;
+#ifdef _STATBUF_ST_NSEC
+ if (st.st_atim.tv_sec != st2.st_atim.tv_sec
+ || st.st_atim.tv_nsec != st2.st_atim.tv_nsec)
+#else
+ if (st.st_atime != st2.st_atime)
+#endif
+ {
+ puts ("file atime changed");
+ no_noatime = true;
+ }
+
+ unlink(fname);
+
+ strcpy(fname, "/tmp/dXXXXXX");
+ char *d = mkdtemp (fname);
+ if (d == NULL)
+ {
+ puts ("mkdtemp failed");
+ return 1;
+ }
+
+ if (stat64 (d, &st) == -1)
+ {
+ puts ("third stat failed");
+ return 0;
+ }
+ sleep (2);
+
+ fd = open64 (d, O_RDONLY|O_NDELAY|O_DIRECTORY|O_NOATIME);
+ if (fd == -1)
+ {
+ puts ("second open failed");
+ return 1;
+ }
+ DIR *dir = fdopendir (fd);
+ if (dir == NULL)
+ {
+ puts ("fdopendir failed");
+ return 1;
+ }
+
+ struct dirent *de;
+ while ((de = readdir (dir)) != NULL)
+ ;
+
+ closedir (dir);
+
+ if (stat64 (d, &st2) == -1)
+ {
+ puts ("fourth stat failed");
+ return 0;
+ }
+#ifdef _STATBUF_ST_NSEC
+ if (!no_noatime
+ && (st.st_atim.tv_sec != st2.st_atim.tv_sec
+ || st.st_atim.tv_nsec != st2.st_atim.tv_nsec))
+#else
+ if (!no_noatime && st.st_atime != st2.st_atime)
+#endif
+ {
+ puts ("directory atime changed");
+ return 1;
+ }
+
+ rmdir(fname);
+
+ return 0;
+}
+
+#define TIMEOUT 6
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"