Added notifications about error-exit values:

[rsync/rsync.git] / io.c

diff --git a/io.c b/io.c
index e7cb76e..1e2f218 100644 (file)
--- a/io.c
+++ b/io.c
@@ -752,7 +752,7 @@ static char *perform_io(size_t needed, int flags)
                                        /* Don't write errors on a dead socket. */
                                        msgs2stderr = 1;
                                        out->len = iobuf.raw_flushing_ends_before = out->pos = 0;
-                                       rsyserr(FERROR_SOCKET, errno, "write error");
+                                       rsyserr(FERROR_SOCKET, errno, "[%s] write error", who_am_i());
                                        exit_cleanup(RERR_STREAMIO);
                                }
                        }
@@ -802,6 +802,16 @@ static char *perform_io(size_t needed, int flags)
        return data;
 }
 
+void noop_io_until_death(void)
+{
+       char buf[1024];
+
+       kluge_around_eof = 1;
+
+       while (1)
+               read_buf(iobuf.in_fd, buf, sizeof buf);
+}
+
 /* Buffer a message for the multiplexed output stream.  Is never used for MSG_DATA. */
 int send_msg(enum msgcode code, const char *buf, size_t len, int convert)
 {
@@ -1426,6 +1436,16 @@ static void read_a_msg(void)
                        first_message = 0;
                }
                break;
+       case MSG_ERROR_EXIT:
+               if (msg_bytes != 4)
+                       goto invalid_msg;
+               data = perform_io(4, PIO_INPUT_AND_CONSUME);
+               val = IVAL(data, 0);
+               if (am_generator && protocol_version >= 31)
+                       send_msg_int(MSG_ERROR_EXIT, val);
+               if (am_generator)
+                       val = RERR_RCVR_ERROR; /* avoids duplicate errors */
+               exit_cleanup(val);
        default:
                rprintf(FERROR, "unexpected tag %d [%s%s]\n",
                        tag, who_am_i(), inc_recurse ? "/inc" : "");