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-rw-r--r--ext/socket/socket.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index ce7bf9995f..8c92301bd9 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -311,6 +311,8 @@ sock_connect_nonblock(VALUE sock, VALUE addr)
rb_io_set_nonblock(fptr);
n = connect(fptr->fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_LEN(addr));
if (n < 0) {
+ if (errno == EINPROGRESS)
+ rb_sys_fail("connect(2) WANT_WRITE");
rb_sys_fail("connect(2)");
}