remove signal generator

.ccls-cache/@@mnt@raid@projects@dsp@harmonica@harmonica/@usr@include@c++@15.2.1@bits@exception.h

@@ -0,0 +1,85 @@
+// Exception Handling support header for -*- C++ -*-
+
+// Copyright (C) 2016-2025 Free Software Foundation, Inc.
+//
+// This file is part of GCC.
+//
+// GCC is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// GCC is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/exception.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly.
+ */
+
+#ifndef __EXCEPTION_H
+#define __EXCEPTION_H 1
+
+#ifdef _GLIBCXX_SYSHDR
+#pragma GCC system_header
+#endif
+
+#include <bits/c++config.h>
+
+extern "C++" {
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+  /**
+   * @defgroup exceptions Exceptions
+   * @ingroup diagnostics
+   * @since C++98
+   *
+   * Classes and functions for reporting errors via exceptions.
+   * @{
+   */
+
+  /**
+   *  @brief Base class for all library exceptions.
+   *
+   *  This is the base class for all exceptions thrown by the standard
+   *  library, and by certain language expressions.  You are free to derive
+   *  your own %exception classes, or use a different hierarchy, or to
+   *  throw non-class data (e.g., fundamental types).
+   */
+  class exception
+  {
+  public:
+    exception() _GLIBCXX_NOTHROW { }
+    virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
+#if __cplusplus >= 201103L
+    exception(const exception&) = default;
+    exception& operator=(const exception&) = default;
+    exception(exception&&) = default;
+    exception& operator=(exception&&) = default;
+#endif
+
+    /** Returns a C-style character string describing the general cause
+     *  of the current error.  */
+    virtual const char*
+    what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
+  };
+
+  /// @}
+
+} // namespace std
+
+}
+
+#endif