X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMDS%2FSMDS_MemoryLimit.cxx;h=3086a8f7b887cd3966e3702cfc2168dce071da57;hp=e31a9a4987602922b7811877a1a3111d7cce0841;hb=19fe2e412fa1cb1fd33d7a2580b2483280db811e;hpb=79b1ac2b6df9117f16f11d444b1f165d477a1813 diff --git a/src/SMDS/SMDS_MemoryLimit.cxx b/src/SMDS/SMDS_MemoryLimit.cxx index e31a9a498..3086a8f7b 100644 --- a/src/SMDS/SMDS_MemoryLimit.cxx +++ b/src/SMDS/SMDS_MemoryLimit.cxx @@ -1,13 +1,31 @@ +// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE +// +// 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 +// +// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com +// + // File : SMDS_MemoryLimit.cxx // Created : Fri Sep 21 17:16:42 2007 // Author : Edward AGAPOV (eap) - // Executable to find out a lower RAM limit (MB), i.e. at what size of freeRAM // reported by sysinfo, no more memory can be allocated. -// This is not done inside a function of SALOME because allocated memory is not returned -// to the system - -#ifndef WIN32 +// This is not done inside a function of SALOME because allocated memory is not always +// returned to the system. (PAL16631) +// +#if !defined WIN32 && !defined __APPLE__ #include #endif @@ -15,16 +33,21 @@ #include #endif -int main (int argc, char ** argv) { -#ifndef WIN32 +int main (int argc, char ** argv) +{ + // To better understand what is going on here, consult bug [SALOME platform 0019911] +#if !defined WIN32 && !defined __APPLE__ struct sysinfo si; int err = sysinfo( &si ); if ( err ) return -1; unsigned long freeRamKb = ( si.freeram * si.mem_unit ) / 1024; - const unsigned long stepKb = 8; // less nb leads to hung up on Mandriva2006 without swap - // (other platforms not tested w/o swap) + // totat RAM size in Gb, float is in order not to have 1 instead of 1.9 + float totalramGb = float( si.totalram * si.mem_unit ) / 1024 / 1024 / 1024; + + // nb Kbites to allocate at one step. Small nb leads to hung up + const int stepKb = int( 5 * totalramGb ); unsigned long nbSteps = freeRamKb / stepKb * 2; try {