Fix PR rust/20110

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

diff --git a/gdb/defs.h b/gdb/defs.h
index 83e4e11c02ace04a0e646b918cdbcfc05e07112b..ed513968523a16634dc9a9fdd325886ce6a5b49c 100644 (file)
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -125,11 +125,10 @@ extern char *python_libdir;
 /* * Search path for separate debug files.  */
 extern char *debug_file_directory;
 
-/* GDB has two methods for handling SIGINT.  When immediate_quit is
-   nonzero, a SIGINT results in an immediate longjmp out of the signal
-   handler.  Otherwise, SIGINT simply sets a flag; code that might
-   take a long time, and which ought to be interruptible, checks this
-   flag using the QUIT macro.
+/* GDB's SIGINT handler basically sets a flag; code that might take a
+   long time before it gets back to the event loop, and which ought to
+   be interruptible, checks this flag using the QUIT macro, which, if
+   GDB has the terminal, throws a quit exception.
 
    In addition to setting a flag, the SIGINT handler also marks a
    select/poll-able file descriptor as read-ready.  That is used by
@@ -176,8 +175,6 @@ extern void default_quit_handler (void);
 /* Flag that function quit should call quit_force.  */
 extern volatile int sync_quit_force_run;
 
-extern int immediate_quit;
-
 extern void quit (void);
 
 /* Helper for the QUIT macro.  */
@@ -215,6 +212,7 @@ enum language
     language_pascal,           /* Pascal */
     language_ada,              /* Ada */
     language_opencl,           /* OpenCL */
+    language_rust,             /* Rust */
     language_minimal,          /* All other languages, minimal support only */
     nr_languages
   };