Add libmesh_abort(), separate exception content

include/Makefile.in

@@ -632,6 +632,7 @@ include_HEADERS = \
         base/getpot.h \
         base/id_types.h \
         base/libmesh.h \
+        base/libmesh_abort.h \
         base/libmesh_base.h \
         base/libmesh_common.h \
         base/libmesh_documentation.h \

include/base/libmesh.h

@@ -65,6 +65,7 @@ namespace Parallel {
   class Communicator;
 }
 
+class PerfLog;
 enum SolverPackage : int;
 
 /**
@@ -147,6 +148,15 @@ class LibMeshInit
   // protected and forces us to use a named destructor manually
   vtkMPIController * _vtk_mpi_controller;
 #endif
+
+#ifdef LIBMESH_ENABLE_EXCEPTIONS
+  static std::terminate_handler _old_terminate_handler;
+#endif
+
+  static PerfLog & perf_log();
+
+  friend void libmesh_abort();
+  friend void libmesh_terminate_handler();
 };
 
 /**
@@ -165,23 +175,6 @@ bool initialized ();
  */
 bool closed ();
 
-/**
- * A terminate handler.  libMesh sets this to handle uncaught
- * exceptions; it can also be called manually to print stack traces
- * and perf logs and call MPI
- */
-void libmesh_terminate_handler();
-
-/**
- * Toggle hardware trap floating point exceptions
- */
-void enableFPE(bool on);
-
-/**
- * Toggle libMesh reporting of segmentation faults
- */
-void enableSEGV(bool on);
-
 /**
  * \returns \p true if the argument \p arg was specified on the command line,
  * \p false otherwise.

include/base/libmesh_abort.h

@@ -0,0 +1,37 @@
+// The libMesh Finite Element Library.
+// Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
+
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+
+// This library 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
+// Lesser General Public License for more details.
+
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+
+#ifndef LIBMESH_LIBMESH_ABORT_H
+#define LIBMESH_LIBMESH_ABORT_H
+
+#include "libmesh/libmesh_config.h"
+
+namespace libMesh {
+
+/**
+ * Abort as soon as possible.
+ *
+ * This cleans up stream buffers, aborts with MPI_Abort (if MPI
+ * is initialized), and falls back on std::abort afterward.
+ */
+[[noreturn]] void libmesh_abort();
+
+}
+
+#endif // LIBMESH_LIBMESH_ABORT_H

include/base/libmesh_exceptions.h

@@ -22,12 +22,37 @@
 
 #include "libmesh/libmesh_config.h"
 
+#include "libmesh/libmesh_abort.h"
+
 #include <stdexcept>
 #include <string>
 #include <sstream>
 
 namespace libMesh {
 
+/**
+ * A terminate handler.  libMesh sets this to handle uncaught
+ * exceptions; it can also be called manually to cleanup, print
+ * any diagnostics, do cleanup, and abort.
+ *
+ * If an uncaught exception is a TerminationException, as thrown by
+ * libmesh_terminate(), the handler avoids any diagnostic output.
+ *
+ * If an uncaught exception is a std::exception, its message is
+ * printed, followed by stack trace and performance log output.
+ */
+void libmesh_terminate_handler();
+
+/**
+ * Toggle hardware trap floating point exceptions
+ */
+void enableFPE(bool on);
+
+/**
+ * Toggle libMesh reporting of segmentation faults
+ */
+void enableSEGV(bool on);
+
 /**
  * A class to represent the internal "this should never happen"
  * errors, to be thrown by "libmesh_error();"
@@ -192,7 +217,7 @@ class TerminationException
 
 #else
 
-#define LIBMESH_THROW(e) do { libMesh::err << e.what(); std::abort(); } while (0)
+#define LIBMESH_THROW(e) do { libMesh::err << e.what(); libmesh_abort(); } while (0)
 #define libmesh_rethrow
 #define libmesh_try
 #define libmesh_catch(e) if (0)

include/include_HEADERS

@@ -26,6 +26,7 @@ include_HEADERS =  \
         base/getpot.h \
         base/id_types.h \
         base/libmesh.h \
+        base/libmesh_abort.h \
         base/libmesh_base.h \
         base/libmesh_common.h \
         base/libmesh_documentation.h \

include/libmesh/Makefile.am

@@ -15,6 +15,7 @@ BUILT_SOURCES = \
         getpot.h \
         id_types.h \
         libmesh.h \
+        libmesh_abort.h \
         libmesh_augment_std_namespace.h \
         libmesh_base.h \
         libmesh_common.h \
@@ -643,6 +644,9 @@ id_types.h: $(top_srcdir)/include/base/id_types.h
 libmesh.h: $(top_srcdir)/include/base/libmesh.h
 	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@
 
+libmesh_abort.h: $(top_srcdir)/include/base/libmesh_abort.h
+	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@
+
 libmesh_augment_std_namespace.h: $(top_srcdir)/include/base/libmesh_augment_std_namespace.h
 	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@
 

include/libmesh/Makefile.in

@@ -528,11 +528,11 @@ vtkversion = @vtkversion@
 EXTRA_DIST = rebuild_makefile.sh
 BUILT_SOURCES = dirichlet_boundaries.h dof_map.h dof_map_base.h \
 	dof_object.h factory.h float128_shims.h getpot.h id_types.h \
-	libmesh.h libmesh_augment_std_namespace.h libmesh_base.h \
-	libmesh_common.h libmesh_documentation.h libmesh_exceptions.h \
-	libmesh_logging.h libmesh_singleton.h libmesh_version.h \
-	multi_predicates.h periodic_boundaries.h periodic_boundary.h \
-	periodic_boundary_base.h print_trace.h \
+	libmesh.h libmesh_abort.h libmesh_augment_std_namespace.h \
+	libmesh_base.h libmesh_common.h libmesh_documentation.h \
+	libmesh_exceptions.h libmesh_logging.h libmesh_singleton.h \
+	libmesh_version.h multi_predicates.h periodic_boundaries.h \
+	periodic_boundary.h periodic_boundary_base.h print_trace.h \
 	reference_counted_object.h reference_counter.h \
 	single_predicates.h sparsity_pattern.h variable.h \
 	variant_filter_iterator.h enum_convergence_flags.h \
@@ -979,6 +979,9 @@ id_types.h: $(top_srcdir)/include/base/id_types.h
 libmesh.h: $(top_srcdir)/include/base/libmesh.h
 	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@
 
+libmesh_abort.h: $(top_srcdir)/include/base/libmesh_abort.h
+	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@
+
 libmesh_augment_std_namespace.h: $(top_srcdir)/include/base/libmesh_augment_std_namespace.h
 	$(AM_V_GEN)rm -f $@ && $(LN_S) -f $< $@