From 93fc3be3dfd87245e4d30acd68e143e284f9bfd2 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Wed, 10 Sep 2025 15:44:29 +0200
Subject: [BOX32] More work on box32 memory management and threads

---
 src/os/os_linux.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/os/os_linux.c')

diff --git a/src/os/os_linux.c b/src/os/os_linux.c
index d1a940b5..5c1ccac4 100644
--- a/src/os/os_linux.c
+++ b/src/os/os_linux.c
@@ -10,6 +10,8 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <sys/resource.h>
+#include <malloc.h>
 
 #include "os.h"
 #include "signals.h"
@@ -133,6 +135,16 @@ const char* GetNativeName(void* p)
 void PersonalityAddrLimit32Bit(void)
 {
     personality(ADDR_LIMIT_32BIT);
+    /*struct rlimit l;
+    if(getrlimit(RLIMIT_DATA, &l)<0) return;  // failed
+    if(l.rlim_max>3*1024*1024*1024LL) {
+        l.rlim_cur = 3*1024*1024*1024LL;
+        setrlimit(RLIMIT_DATA, &l);
+    }*/
+    // setting 32bits malloc options
+    mallopt(M_ARENA_TEST, 2);
+    mallopt(M_ARENA_MAX, 2);
+    mallopt(M_MMAP_THRESHOLD, 128*1024);
 }
 
 int IsAddrElfOrFileMapped(uintptr_t addr)
-- 
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