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avoid useless fcntl in rb_io_set_nonblock.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2006-05-22 22:12:57 +00:00
parent dc3037bc48
commit 078a760999
1 changed files with 5 additions and 3 deletions
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8
io.c
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@ -1247,9 +1247,11 @@ void rb_io_set_nonblock(OpenFile *fptr)
#else
flags = 0;
#endif
flags |= O_NONBLOCK;
if (fcntl(fptr->fd, F_SETFL, flags) == -1) {
rb_sys_fail(fptr->path);
if ((flags & O_NONBLOCK) == 0) {
flags |= O_NONBLOCK;
if (fcntl(fptr->fd, F_SETFL, flags) == -1) {
rb_sys_fail(fptr->path);
}
}
}