Use unique_xmalloc_ptr in fixup_go_packaging

[deliverable/binutils-gdb.git] / gdb / continuations.h

diff --git a/gdb/continuations.h b/gdb/continuations.h
index aaba362f0b9bee4865a2faf483941c2bb3c3faf3..7a3a24ac63e37612fa1826172ce83b6bd39694f3 100644 (file)
--- a/gdb/continuations.h
+++ b/gdb/continuations.h
@@ -1,7 +1,6 @@
 /* Continuations for GDB, the GNU debugger.
 
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
-   2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,7 +20,6 @@
 #ifndef CONTINUATIONS_H
 #define CONTINUATIONS_H
 
-struct thread_info;
 struct inferior;
 
 /* To continue the execution commands when running gdb asynchronously.
@@ -30,38 +28,28 @@ struct inferior;
    used by the finish and until commands, and in the remote protocol
    when opening an extended-remote connection.  */
 
-/* Prototype of the continuation callback functions.  */
-typedef void (continuation_ftype) (void *);
+/* Prototype of the continuation callback functions.  ARG is the
+   continuation argument registered in the corresponding
+   add_*_continuation call.  ERR is true when the command should be
+   cancelled instead of finished normally.  In that case, the
+   continuation should clean up whatever state had been set up for the
+   command in question (e.g., remove momentary breakpoints).  This
+   happens e.g., when an error was thrown while handling a target
+   event, or when the inferior thread the command was being executed
+   on exits.  */
+typedef void (continuation_ftype) (void *arg, int err);
 
 /* Prototype of the function responsible for releasing the argument
    passed to the continuation callback functions, either when the
    continuation is called, or discarded.  */
 typedef void (continuation_free_arg_ftype) (void *);
 
-/* Thread specific continuations.  */
-
-extern void add_continuation (struct thread_info *,
-                             continuation_ftype *, void *,
-                             continuation_free_arg_ftype *);
-extern void do_all_continuations (void);
-extern void do_all_continuations_thread (struct thread_info *);
-extern void discard_all_continuations (void);
-extern void discard_all_continuations_thread (struct thread_info *);
-
-extern void add_intermediate_continuation (struct thread_info *,
-                                          continuation_ftype *, void *,
-                                          continuation_free_arg_ftype *);
-extern void do_all_intermediate_continuations (void);
-extern void do_all_intermediate_continuations_thread (struct thread_info *);
-extern void discard_all_intermediate_continuations (void);
-extern void discard_all_intermediate_continuations_thread (struct thread_info *);
-
 /* Inferior specific (any thread) continuations.  */
 
 extern void add_inferior_continuation (continuation_ftype *,
                                       void *,
                                       continuation_free_arg_ftype *);
-extern void do_all_inferior_continuations (void);
+extern void do_all_inferior_continuations (int err);
 extern void discard_all_inferior_continuations (struct inferior *inf);
 
 #endif