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* io.c (rb_close_before_exec): more heuristics to detect maximum fd.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2009-01-05 15:35:21 +00:00
parent 0cd078e358
commit e6045986ef
2 changed files with 10 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Tue Jan 6 00:34:25 2009 Tanaka Akira <akr@fsij.org>
* io.c (rb_close_before_exec): more heuristics to detect maximum fd.
Mon Jan 5 17:59:43 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> Mon Jan 5 17:59:43 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (cygwin): needs properly implemented nl_langinfo(). * configure.in (cygwin): needs properly implemented nl_langinfo().

7
io.c
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@ -4452,8 +4452,13 @@ rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds)
fcntl(fd, F_SETFD, ret|FD_CLOEXEC); fcntl(fd, F_SETFD, ret|FD_CLOEXEC);
} }
#else #else
close(fd); ret = close(fd);
#endif #endif
#define CONTIGUOUS_CLOSED_FDS 20
if (ret != -1) {
if (max < fd + CONTIGUOUS_CLOSED_FDS)
max = fd + CONTIGUOUS_CLOSED_FDS;
}
} }
} }