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/* go-defer.h -- the defer stack.

   Copyright 2010 The Go Authors. All rights reserved.

   Use of this source code is governed by a BSD-style

   license that can be found in the LICENSE file.  */

struct __go_panic_stack;

/* The defer stack is a list of these structures.  */

struct __go_defer_stack

{

  /* The next entry in the stack.  */

  struct __go_defer_stack *__next;

  /* The stack variable for the function which called this defer

     statement.  This is set to 1 if we are returning from that

     function, 0 if we are panicing through it.  */

  _Bool *__frame;

  /* The value of the panic stack when this function is deferred.

     This function can not recover this value from the panic stack.

     This can happen if a deferred function uses its own defer

     statement.  */

  struct __go_panic_stack *__panic;

  /* The function to call.  */

  void (*__pfn) (void *);

  /* The argument to pass to the function.  */

  void *__arg;

  /* The return address that a recover thunk matches against.  This is

     set by __go_set_defer_retaddr which is called by the thunks

     created by defer statements.  */

  const void *__retaddr;

};