WOULD_BLOCK is not a fatal error when opening connected sockets

diff --git a/src/lib/bio/fd.c b/src/lib/bio/fd.c
index 8cc0bccb3a89ec63894e65f64dcbf6eeb5d2597a..26c9ae910d9da9551c70ba1ca102f7a9847fe4d2 100644 (file)
--- a/src/lib/bio/fd.c
+++ b/src/lib/bio/fd.c
@@ -776,6 +776,8 @@ static int fr_bio_fd_init_file(fr_bio_fd_t *my)
 
 int fr_bio_fd_init_connected(fr_bio_fd_t *my)
 {
+       int rcode;
+
        if (my->info.socket.af == AF_FILE_BIO) return fr_bio_fd_init_file(my);
 
        /*
@@ -824,7 +826,15 @@ int fr_bio_fd_init_connected(fr_bio_fd_t *my)
         */
        if (!my->info.cfg->async) return 0;
 
-       return fr_bio_fd_try_connect(my);
+       rcode = fr_bio_fd_try_connect(my);
+       if (rcode == 0) return 0;
+
+       if (rcode != fr_bio_error(IO_WOULD_BLOCK)) return rcode;
+
+       fr_assert(my->info.write_blocked);
+       fr_assert(my->info.state == FR_BIO_FD_STATE_CONNECTING);
+
+       return 0;
 }
 
 int fr_bio_fd_init_common(fr_bio_fd_t *my)