--- libeio/eio.c	2016/02/23 19:42:44	1.140
+++ libeio/eio.c	2016/12/03 16:33:46	1.143
@@ -44,11 +44,6 @@
 #include "eio.h"
 #include "ecb.h"
 
-#ifdef EIO_STACKSIZE
-# define X_STACKSIZE EIO_STACKSIZE
-#endif
-#include "xthread.h"
-
 #include <errno.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -124,6 +119,8 @@
   #define dup2(fd1,fd2)        _dup2 (fd1, fd2)
   #define pipe(fds)            _pipe (fds, 4096, O_BINARY)
 
+  #define fcntl(fd,cmd,arg)    EIO_ENOSYS ()
+  #define ioctl(fd,cmd,arg)    EIO_ENOSYS ()
   #define fchmod(fd,mode)      EIO_ENOSYS ()
   #define chown(path,uid,gid)  EIO_ENOSYS ()
   #define fchown(fd,uid,gid)   EIO_ENOSYS ()
@@ -206,11 +203,15 @@
   symlink (const char *old, const char *neu)
   {
     #if WINVER >= 0x0600
-      if (CreateSymbolicLink (neu, old, 1))
-        return 0;
+      int flags;
 
-      if (CreateSymbolicLink (neu, old, 0))
-        return 0;
+      /* This tries out all combinations of SYMBOLIC_LINK_FLAG_DIRECTORY
+       * and SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE,
+       * with directory first.
+       */
+      for (flags = 3; flags >= 0; --flags)
+        if (CreateSymbolicLink (neu, old, flags))
+          return 0;
     #endif
 
     return EIO_ERRNO (ENOENT, -1);
@@ -285,10 +286,6 @@
 # include <sys/syscall.h>
 #endif
 
-#if HAVE_SYS_PRCTL_H
-# include <sys/prctl.h>
-#endif
-
 #if HAVE_SENDFILE
 # if __linux
 #  include <sys/sendfile.h>