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avoid rb_bug on BasicSocket.for_fd(-1)

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* ext/socket/init.c (rsock_init_sock): check FD after validating
* test/socket/test_basicsocket.rb (test_for_fd): new
  [ruby-core:72418] [Bug #11854]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2015-12-21 18:57:50 +00:00
parent 3bf3f825c3
commit 409e53dec1
3 changed files with 18 additions and 1 deletions
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2
ext/socket/init.c
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@ -61,10 +61,10 @@ rsock_init_sock(VALUE sock, int fd)
{
rb_io_t *fp;
rb_update_max_fd(fd);
if (!is_socket(fd))
rb_raise(rb_eArgError, "not a socket file descriptor");
rb_update_max_fd(fd);
MakeOpenFile(sock, fp);
fp->fd = fd;
fp->mode = FMODE_READWRITE|FMODE_DUPLEX;