gdb/testsuite/dap: prefix some procs with _

[binutils-gdb.git] / gdb / posix-hdep.c

diff --git a/gdb/posix-hdep.c b/gdb/posix-hdep.c
index 26211978d06fa2fdcb10a307015a0cac8d620e01..e1cd8358457c107c73ea2bb31d37b496bbf9b903 100644 (file)
--- a/gdb/posix-hdep.c
+++ b/gdb/posix-hdep.c
@@ -1,6 +1,6 @@
 /* Host support routines for MinGW, for GDB, the GNU debugger.
 
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,6 +21,7 @@
 #include "gdbsupport/event-loop.h"
 #include "gdbsupport/gdb_select.h"
 #include "inferior.h"
+#include <signal.h>
 
 /* Wrapper for select.  Nothing special needed on POSIX platforms.  */
 
@@ -56,3 +57,26 @@ sharing_input_terminal (int pid)
   return TRIBOOL_UNKNOWN;
 #endif
 }
+
+/* Current C-c handler.  */
+static c_c_handler_ftype *current_handler;
+
+/* A wrapper that reinstalls the current signal handler.  */
+static void
+handler_wrapper (int num)
+{
+  signal (num, handler_wrapper);
+  if (current_handler != SIG_IGN)
+    current_handler (num);
+}
+
+/* See inferior.h.  */
+
+c_c_handler_ftype *
+install_sigint_handler (c_c_handler_ftype *fn)
+{
+  signal (SIGINT, handler_wrapper);
+  c_c_handler_ftype *result = current_handler;
+  current_handler = fn;
+  return result;
+}