import gdb-1999-05-10

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

diff --git a/gdb/top.h b/gdb/top.h
index fe7002b6091a569e7ffd88f6eb904ad5123c7da0..188d184f91f006f3cc67087e0fd7920a6df51589 100644 (file)
--- a/gdb/top.h
+++ b/gdb/top.h
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#include <setjmp.h>
+
 /* From top.c.  */
 extern char *line;
 extern int linesize;
@@ -39,6 +41,19 @@ extern char gdbinit[];
 #define SIGLONGJMP(buf,val)    longjmp(buf,val)
 #endif
 
+/* Temporary variable for SET_TOP_LEVEL.  */
+
+int top_level_val;
+
+/* Do a setjmp on error_return and quit_return.  catch_errors is
+   generally a cleaner way to do this, but main() would look pretty
+   ugly if it had to use catch_errors each time.  */
+
+#define SET_TOP_LEVEL() \
+  (((top_level_val = SIGSETJMP (error_return)) \
+    ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
+   , top_level_val)
+
 extern SIGJMP_BUF error_return;
 extern SIGJMP_BUF quit_return;
 
@@ -53,6 +68,9 @@ extern int quit_confirm PARAMS ((void));
 extern void quit_force PARAMS ((char *, int));
 extern void quit_command PARAMS ((char *, int));
 
+extern void setup_event_loop PARAMS ((void));
+extern void async_init_signals PARAMS ((void));
+
 /* This function returns a pointer to the string that is used
    by gdb for its command prompt. */
 extern char *get_prompt PARAMS((void));