Fix to handle properly 'catch signal SIGINT' and SIGTRAP

2 files changed, 15 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/catch-signal.c b/gdb/testsuite/gdb.base/catch-signal.c
index d128958..36d34d2 100644
--- a/gdb/testsuite/gdb.base/catch-signal.c
+++ b/gdb/testsuite/gdb.base/catch-signal.c
@@ -42,5 +42,7 @@ main ()
   raise (SIGHUP);		/* third HUP */
 
   raise (SIGHUP);		/* fourth HUP */
+
+  raise (SIGINT);		/* first INT */
 }
 
diff --git a/gdb/testsuite/gdb.base/catch-signal.exp b/gdb/testsuite/gdb.base/catch-signal.exp
index 2ca4dff..e7179a0 100644
--- a/gdb/testsuite/gdb.base/catch-signal.exp
+++ b/gdb/testsuite/gdb.base/catch-signal.exp
@@ -71,6 +71,19 @@ proc test_catch_signal {signame} {
 	gdb_breakpoint ${srcfile}:[gdb_get_line_number "fourth HUP"]
 	gdb_continue_to_breakpoint "fourth HUP"
 	delete_breakpoints
+
+	# Verify an internal signal used by gdb is properly caught.
+	gdb_breakpoint ${srcfile}:[gdb_get_line_number "first INT"]
+	gdb_continue_to_breakpoint "first INT"
+	set test "override SIGINT to catch"
+	gdb_test "handle SIGINT nostop print nopass" \
+	    "SIGINT.*No.*Yes.*No.*" \
+	    "$test" \
+	    "SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*" \
+	    y
+	gdb_test "catch signal SIGINT" "Catchpoint .*"
+	gdb_test "continue" "Catchpoint .* SIGINT.*"
+        
     }
 }