dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

Is the cast to bool automatic if you add ! in front of the call?

I would otherwise think one needs to do

const bool use_petsc_signal_handler = parameters["use_petsc_signal_handler"];
if (use_petsc_signal_handler)
{


}

--
Anders

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• To: Anders Logg <logg@xxxxxxxxx>
• From: noreply@xxxxxxxxxxxxx
• Date: Thu, 15 Mar 2012 09:16:14 -0000
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------------------------------------------------------------
revno: 6641
committer: Johan Hake <hake.dev@xxxxxxxxx>
branch nick: work-trunk
timestamp: Thu 2012-03-15 10:13:48 +0100
message:
  Add parameter: "use_petsc_signal_handler", which enables/disable PETSc system signals
modified:
  ChangeLog
  dolfin/common/SubSystemsManager.cpp
  dolfin/parameter/GlobalParameters.h


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=== modified file 'ChangeLog'
--- ChangeLog	2012-03-09 12:45:08 +0000
+++ ChangeLog	2012-03-15 09:13:48 +0000
@@ -1,4 +1,5 @@
 1.1.0 [not yet released]
+ - Add parameter: "use_petsc_signal_handler", which enables/disable PETSc system signals
  - Avoid unnessesary resize of result vector for A*b
  - MPI functionality for distributing values between neighbours
  - SystemAssembler now works in parallel with topological/geometric boundary search

=== modified file 'dolfin/common/SubSystemsManager.cpp'
--- dolfin/common/SubSystemsManager.cpp	2011-11-15 14:39:52 +0000
+++ dolfin/common/SubSystemsManager.cpp	2012-03-15 09:13:48 +0000
@@ -35,6 +35,7 @@
 
 #include <libxml/parser.h>
 #include <dolfin/common/constants.h>
+#include <dolfin/parameter/GlobalParameters.h>
 #include <dolfin/log/dolfin_log.h>
 #include "SubSystemsManager.h"
 
@@ -162,6 +163,10 @@
   SlepcInitialize(&argc, &argv, PETSC_NULL, PETSC_NULL);
 #endif
 
+  // Avoid using default PETSc signal handler
+  if (!parameters["use_petsc_signal_handler"])
+    PetscPopSignalHandler();
+    
   singleton().petsc_initialized = true;
 
   // Determine if PETSc initialised MPI (and is therefore responsible for MPI finalization)

=== modified file 'dolfin/parameter/GlobalParameters.h'
--- dolfin/parameter/GlobalParameters.h	2011-11-18 10:45:16 +0000
+++ dolfin/parameter/GlobalParameters.h	2012-03-15 09:13:48 +0000
@@ -16,7 +16,7 @@
 // along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
 //
 // First added:  2009-07-02
-// Last changed: 2011-10-21
+// Last changed: 2012-03-12
 
 #ifndef __GLOBAL_PARAMETERS_H
 #define __GLOBAL_PARAMETERS_H
@@ -96,6 +96,8 @@
       #ifdef HAS_PETSC
       allowed_backends.insert("PETSc");
       default_backend = "PETSc";
+      p.add("use_petsc_signal_handler", false);
+      
       #endif
       #ifdef HAS_TRILINOS
       allowed_backends.insert("Epetra");

--- End Message ---