stacksize_c.c

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//Copyright>    OpenRadioss
//Copyright>    Copyright (C) 1986-2025 Altair Engineering Inc.
//Copyright>
//Copyright>    This program is free software: you can redistribute it and/or modify
//Copyright>    it under the terms of the GNU Affero General Public License as published by
//Copyright>    the Free Software Foundation, either version 3 of the License, or
//Copyright>    (at your option) any later version.
//Copyright>
//Copyright>    This program is distributed in the hope that it will be useful,
//Copyright>    but WITHOUT ANY WARRANTY; without even the implied warranty of
//Copyright>    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//Copyright>    GNU Affero General Public License for more details.
//Copyright>
//Copyright>    You should have received a copy of the GNU Affero General Public License
//Copyright>    along with this program.  If not, see <https://www.gnu.org/licenses/>.
//Copyright>
//Copyright>
//Copyright>    Commercial Alternative: Altair Radioss Software
//Copyright>
//Copyright>    As an alternative to this open-source version, Altair also offers Altair Radioss
//Copyright>    software under a commercial license.  Contact Altair to discuss further if the
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#include "hardware.inc"
 
#if CPP_mach == CPP_w95 || CPP_mach == CPP_win64_spmd || CPP_mach == CPP_p4win64_spmd || CPP_mach == CPP_wnt || CPP_mach == CPP_wmr || CPP_mach == CPP_p4win64  || CPP_mach == CPP_p4win32
 
#define _FCALL 
 
#elif 1
#define _FCALL
#endif
 
 
 
#if CPP_mach==CPP_linux || CPP_mach == CPP_linux64_spmd || CPP_mach == CPP_p4linux964_spmd || CPP_mach == CPP_il_spmd  || CPP_mach == CPP_il || CPP_mach == CPP_linux_spmd || CPP_mach == CPP_linux  || CPP_mach == CPP_linux964 || CPP_mach == CPP_p4linux964
 
#include <stdio.h>
#include <sys/resource.h>
 
void set_stack_c_(int * stack){
 
  const rlim_t kStackSize = -1L;   // -1L = Unlimited
    struct rlimit rl;
    long int StMB;
    int result;
 
    result = getrlimit(RLIMIT_STACK, &rl);
 
    if (rl.rlim_cur != -1){
    /* Current Stacksize not unlimited */
 
      /* Set the Stacksize to the Max possible value (best is unlimited : -1) */
      if (rl.rlim_max != -1L){
    rl.rlim_cur = rl.rlim_max;
       }else{ 
    rl.rlim_cur = kStackSize;
            }
  
        result = setrlimit(RLIMIT_STACK, &rl);
 
    }
    StMB = rl.rlim_cur / (1024*1024);
    *stack = StMB;
}
 
#elif 1
void set_stack_c_(int * stack){
  *stack = 0;
  }
#endif
 
 
void set_stack_c__(int * stack){
  set_stack_c_(stack);
 
  }
 
void _FCALL SET_STACK_C (int * stack){
  set_stack_c_(stack);
 
  }