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* io.c (rb_close_before_exec): use F_MAXFD if available.

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F_MAXFD is available on NetBSD since NetBSD 2.0.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2011-11-07 10:44:02 +00:00
parent 8c492668a7
commit 987c03a387
2 changed files with 12 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Nov 7 19:43:10 2011 Tanaka Akira <akr@fsij.org>
* io.c (rb_close_before_exec): use F_MAXFD if available.
F_MAXFD is available on NetBSD since NetBSD 2.0.
Mon Nov 7 19:25:16 2011 NAKAMURA Usaku <usa@ruby-lang.org>
* test/ruby/test_io_m17n.rb

7
io.c
View file

@ -5123,6 +5123,13 @@ rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds)
int max = max_file_descriptor;
if (max < maxhint)
max = maxhint;
#ifdef F_MAXFD
/* F_MAXFD is available since NetBSD 2.0. */
ret = fcntl(0, F_MAXFD);
if (ret != -1) {
max = ret;
}
#endif
for (fd = lowfd; fd <= max; fd++) {
if (!NIL_P(noclose_fds) &&
RTEST(rb_hash_lookup(noclose_fds, INT2FIX(fd))))