save_redirect_fd 2769 process.c if (save_redirect_fd(pairs[j].newfd, sargp, errmsg, errmsg_buflen) < 0) /* async-signal-safe */ save_redirect_fd 2874 process.c if (save_redirect_fd(newfd, sargp, errmsg, errmsg_buflen) < 0) /* async-signal-safe */