PR_IN_PROGRESS_ERROR  459 net/third_party/nss/ssl/unix_err.c     case EINPROGRESS:	prError = PR_IN_PROGRESS_ERROR; break;
PR_IN_PROGRESS_ERROR  177 net/third_party/nss/ssl/win32err.c     case WSAEWOULDBLOCK: prError = PR_IN_PROGRESS_ERROR; break;