ruby-dev

小松です。

In the message of [ruby-dev:7111] Re: --enable-shared support
    on 1999/6/15 10:43:02 WATANABE Tetsuya <tetsu@jpn.hp.com> wrote:
|HP-UX の場合、共有ライブラリについては、実行パーミッショ
|ンが必要なことと、「書き込み」のパーミッションがメモリ
|確保(管理)に影響を与えるようです。
|
|# 本当の意味で共有するためには、書き込みのパーミッショ
|# ンがあってはダメなようです。

実行権はともかく、dld.sl(5)のDESCRIPTIONの、

    The text segment of a library is shared among all processes that use
    it.  The data and bss segments are shared on a page-by-page basis.
    When a process first accesses (reads or writes) a data or bss page, a
    copy of that page is made for the process.

という記述や、mmap(2)を見る限りではMAP_SHAREDを使っている
わけではないでしょうから書き込み権が関係するというのが理解
できないです。

なにか情報か適当なポインタをご存じでしたら教えていただけると
うれしいです。

|これは、システムの共有ライブラリのパーミッションを見て
|もわかるのですが、「書き込み」のパーミッションはありま
|せん。

curses.sl等の拡張ライブラリも0755ではなく0555の方が
いいのでしょうか？

--
小松克行 / Katsuyuki Komatsu <komatsu@sarion.co.jp>

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[#7071] [PATCH] AIX mod_ruby support — Katsuyuki Komatsu <komatsu@...>

[#7077] Re: Subscribe confirmation request (ruby developers list) — Satoshi KURODA <kuroda@...2.so-net.ne.jp>

[#7079] Marshal::load — Shugo Maeda <shugo@...>

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[#7081] [BUG] [PATCH?] /[^a] / === " あ " — WATANABE Hirofumi <eban@...>

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[#7096] Re: Subscribe confirmation request (ruby developers list) — Kazutaka Ogaki <ogaki@...>

[#7098] pack("Z") — Koji Arai <JCA02266@...>

[#7099] Etc.group — Tadayoshi Funaba <tadf@...>

[#7102] Ruby 1.3.4-990611 — Yukihiro Matsumoto <matz@...>

[#7110] --enable-shared support — Katsuyuki Komatsu <komatsu@...>

[#7112] Re: Subscribe confirmation request (ruby developers list) — polygon <kiyose@...>

[#7117] File/Record I/O Libraries — ARIMA Yasuhiro <fit0298@...>

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[#7153] [patch] dbm.c, Solaris 2.6 — Ryo HAYASAKA <hayasaka@...21.u-aizu.ac.jp>

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[#7157] Dir.glob — Tadayoshi Funaba <tadf@...>

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[#7169] RE: What is rb_obj_call_init ? (Re: Ruby 1.3.4-99 0611) — 助田 雅紀 <masaki.suketa@...>

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[#7181] acknowledgement — matz@... (Yukihiro Matsumoto)

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[#7194] Re: ruby-1.3.x can't parse %Q{a{b}c} — Inaba Hiroto <inaba@...>

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[#7200] pack/unpack — Tadayoshi Funaba <tadf@...>

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[#7216] Re: acknowledgement — SHIROYAMA Takayuki <psi@...>

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[#7223] Ruby 1.3.4-990625 — Yukihiro Matsumoto <matz@...>

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[#7234] exit! — Tadayoshi Funaba <tadf@...>

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[#7237] patch for extmk.rb.nt — 助田 雅紀 <masaki.suketa@...>

[#7249] Re: default method for a class? — "NAKAMURA, Hiroshi" <nakahiro@...>

[#7250] typo? — Katsuyuki Komatsu <komatsu@...>

[#7253] Re: Ruby 1.3.4-990625 — SHIROYAMA Takayuki <psi@...>

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[#7258] TkVariable — Koji Arai <JCA02266@...>

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[ruby-dev:7114] Re: --enable-shared support

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[#7169] RE: What is rb_obj_call_init ? (Re: Ruby 1.3.4-99 0611) — 助田　雅紀 <masaki.suketa@...>

[#7237] patch for extmk.rb.nt — 助田　雅紀 <masaki.suketa@...>

[#7260] ruby-gtk 0.19 patch for mswin32 — 助田　雅紀 <masaki.suketa@...>