+// Copyright (C) 2007-2022 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 <sys/sysinfo.h>
#endif
-#ifdef _DEBUG_
#include <iostream>
-#endif
-int main (int argc, char ** argv) {
-#ifndef WIN32
+int main ()
+{
+ // 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)
+ // total 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 Kbytes to allocate at one step. Small nb leads to hung up
+ const int stepKb = int( 5 * totalramGb );
unsigned long nbSteps = freeRamKb / stepKb * 2;
try {
}
} catch (...) {}
-// #ifdef _DEBUG_
-// std::cout << freeRamKb / 1024 << std::endl;
-// #endif
+// if (SALOME::VerbosityActivated())
+// std::cout << freeRamKb / 1024 << std::endl;
+
return freeRamKb / 1024;
#endif