From: Han Holl <han.holl@...>
Date: 2005-09-16T19:14:21+09:00
Subject: Re: bug in require?

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 [ahoward@localhost ~]$ cat a.rb
> 4.times{ require 'digest/md5' }
>=20
> [ahoward@localhost ~]$ strace ruby a.rb 2>&1 |grep open|grep md5
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so",=20
> O_RDONLY|O_LARGEFILE) =3D 3
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so",=20
> O_RDONLY|O_LARGEFILE) =3D 3
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so", O_RDONLY) =3D 3
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so",=20
> O_RDONLY|O_LARGEFILE) =3D 3
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so",=20
> O_RDONLY|O_LARGEFILE) =3D 3
> open("/usr/local/lib/ruby/1.8/i686-linux/digest/md5.so",=20
> O_RDONLY|O_LARGEFILE) =3D 3
>=20
> why the difference?


If you look at the stracefile, you'll notice that the last three times it=
=20
just open and closes the file, without reading. I'm very interested in this=
,=20
because I've noticed the same behaviour with my Rails application, and ther=
e=20
the search path is _huge_.

Han Holl

-a
> --
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
> | email :: ara [dot] t [dot] howard [at] noaa [dot] gov
> | phone :: 303.497.6469
> | Your life dwells amoung the causes of death
> | Like a lamp standing in a strong breeze. --Nagarjuna
>=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
>=20
>=20
>

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