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#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <support/xunistd.h>
#ifndef O_NOATIME
# define O_NOATIME 0
#endif
static int
do_test (void)
{
char fname[] = "/tmp/jXXXXXX";
int fd = mkstemp (fname);
if (fd == -1)
{
puts ("mkstemp failed");
return 1;
}
xwrite (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];
xread(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 TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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