-# fcntl-o.m4 serial 2
-dnl Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
+# fcntl-o.m4 serial 3
+dnl Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
};
]],
[[
- int status = !constants;
+ int result = !constants;
{
static char const sym[] = "conftest.sym";
- if (symlink (".", sym) != 0
- || close (open (sym, O_RDONLY | O_NOFOLLOW)) == 0)
- status |= 32;
+ if (symlink (".", sym) != 0)
+ result |= 2;
+ else
+ {
+ int fd = open (sym, O_RDONLY | O_NOFOLLOW);
+ if (fd >= 0)
+ {
+ close (fd);
+ result |= 4;
+ }
+ }
unlink (sym);
}
{
static char const file[] = "confdefs.h";
int fd = open (file, O_RDONLY | O_NOATIME);
- char c;
- struct stat st0, st1;
- if (fd < 0
- || fstat (fd, &st0) != 0
- || sleep (1) != 0
- || read (fd, &c, 1) != 1
- || close (fd) != 0
- || stat (file, &st1) != 0
- || st0.st_atime != st1.st_atime)
- status |= 64;
+ if (fd < 0)
+ result |= 8;
+ else
+ {
+ struct stat st0;
+ if (fstat (fd, &st0) != 0)
+ result |= 16;
+ else
+ {
+ char c;
+ sleep (1);
+ if (read (fd, &c, 1) != 1)
+ result |= 24;
+ else
+ {
+ if (close (fd) != 0)
+ result |= 32;
+ else
+ {
+ struct stat st1;
+ if (stat (file, &st1) != 0)
+ result |= 40;
+ else
+ if (st0.st_atime != st1.st_atime)
+ result |= 64;
+ }
+ }
+ }
+ }
}
- return status;]])],
+ return result;]])],
[gl_cv_header_working_fcntl_h=yes],
[case $? in #(
- 32) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
+ 4) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #(
- 96) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
+ 68) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
*) gl_cv_header_working_fcntl_h='no';;
esac],
[gl_cv_header_working_fcntl_h=cross-compiling])])