* fcntl.cc (_fcntl): Rearrange as wrapper function. Move all

        functionality except F_DUPFD to fhandler classes.
        * fhandler.cc (fhandler_base::fcntl): New method.
        * net.cc (fhandler_socket::fcntl): Ditto.
        * fhandler.h (class fhandler_base): Add method prototype for fcntl().
        (class fhandler_socket): Ditto.

1 files changed, 11 insertions, 72 deletions

diff --git a/winsup/cygwin/fcntl.cc b/winsup/cygwin/fcntl.cc
index f4d1b44..408cbc2 100644
--- a/winsup/cygwin/fcntl.cc
+++ b/winsup/cygwin/fcntl.cc
@@ -22,10 +22,9 @@ extern "C"
 int
 _fcntl (int fd, int cmd,...)
 {
+  void *arg = NULL;
   va_list args;
-  int arg = 0;
   int res;
-  SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK, "_fcntl");
 
   if (fdtab.not_open (fd))
     {
@@ -34,77 +33,17 @@ _fcntl (int fd, int cmd,...)
       goto done;
     }
 
-  switch (cmd)
-    {
-    case F_DUPFD:
-      va_start (args, cmd);
-      arg = va_arg (args,int);
-      va_end (args);
-      res = dup2 (fd, fdtab.find_unused_handle (arg));
-      goto done;
-
-    case F_GETFD:
-      res = fdtab[fd]->get_close_on_exec () ? FD_CLOEXEC : 0;
-      goto done;
-
-    case F_SETFD:
-      va_start (args, cmd);
-      arg = va_arg (args, int);
-      va_end (args);
-      fdtab[fd]->set_close_on_exec (arg);
-      res = 0;
-      goto done;
-
-    case F_GETFL:
-      {
-	res = fdtab[fd]->get_flags ();
-	goto done;
-      }
-    case F_SETFL:
-      {
-	int temp = 0;
-
-	va_start (args, cmd);
-	arg = va_arg (args, int);
-	va_end (args);
-
-	if (arg & O_RDONLY)
-	  temp |= GENERIC_READ;
-	if (arg & O_WRONLY)
-	  temp |= GENERIC_WRITE;
-
-	syscall_printf ("fcntl (%d, F_SETFL, %d)", arg);
-
-	fdtab[fd]->set_access (temp);
-	fdtab[fd]->set_flags (arg);
-
-	res = 0;
-	goto done;
-      }
-
-    case F_GETLK:
-    case F_SETLK:
-    case F_SETLKW:
-      {
-	struct flock *fl;
-	va_start (args, cmd);
-	fl = va_arg (args,struct flock *);
-	va_end (args);
-	res = fdtab[fd]->lock (cmd, fl);
-	goto done;
-      }
-    default:
-      set_errno (EINVAL);
-      res = -1;
-      goto done;
-    }
-
-  set_errno (ENOSYS);
-  res = -1;
-
- done:
+  SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK, "_fcntl");
+  va_start (args, cmd);
+  arg = va_arg (args, void *);
+  if (cmd == F_DUPFD)
+    res = dup2 (fd, fdtab.find_unused_handle ((int) arg));
+  else
+    res = fdtab[fd]->fcntl(cmd, arg);
+  va_end (args);
   ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"_fcntl");
 
-  syscall_printf ("%d = fcntl (%d, %d, %d)", res, fd, cmd, arg);
+done:
+  syscall_printf ("%d = fcntl (%d, %d, %p)", res, fd, cmd, arg);
   return res;
 }