From: zarawesome@...
Date: 2004-11-30T11:17:49+09:00
Subject: multiple rb_require()s causing segmentation fault

Greetings,
I have been running into trouble with Ruby 1.8.1. I have created the
following code to load several files of code to the program:

// -------------------- code follows

char *filename_safe_require;

VALUE SafeRequire(VALUE arg)
{
return rb_require(filename_safe_require);
}

void ScriptLoadFile(char *filename)
{
filename_safe_require=filename;
VALUE info;
int error = 0;
rb_protect((unsigned long (__cdecl *)(unsigned long))SafeRequire, 0,
&error);
if(error)
{
rb_backtrace();
info = rb_inspect(ruby_errinfo);
Log("ERROR %s\n", STR2CSTR(info));
return;
}

[...other code...]
}

int main(int argc, char *argv[])
{
ruby_init();
ruby_init_loadpath();
ruby_script("embedded");

[Prepares classes for use in Ruby code]

ScriptLoadFile("scripts/player.rb", "");
ScriptLoadFile("scripts/enemy.rb", "");
ScriptLoadFile("scripts/boss.rb", "");
ScriptLoadFile("scripts/maps.rb", "");
ScriptLoadFile("scripts/objects.rb", "");
[...other code...]
}

// -------------------- code ends

The problem is, now, adding some lines to, say, enemy.rb will make the
program core dump while reading the -next- file. For example, adding a
line as prosaic as '$global=0' to a class function definition in
enemy.rb will crash it. However, removing every other class from the
enemy.rb file and adding that line works just fine.

I am under the impression that I'm hitting some kind of memory limit.
Is Ruby to blame or my program? Is there a way to check on this?