[Xen-devel] [PATCH 2 of 9] xenconsole: do not exit if a pty device is missing

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

this can just mean we have raced with the bootloader exiting and if we
continue we will likely see the real domain console show up.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r 988cf8dff1c0 -r 24a1b866b2d1 tools/console/client/main.c
--- a/tools/console/client/main.c       Mon Jul 12 14:56:37 2010 +0100
+++ b/tools/console/client/main.c       Mon Jul 12 14:56:37 2010 +0100
@@ -115,6 +115,8 @@
                         * disambiguate: just read the pty path */
                        pty_path = xs_read(xs, XBT_NULL, path, &len);
                        if (pty_path != NULL) {
+                               if (access(pty_path, R_OK|W_OK) != 0)
+                                       continue;
                                pty_fd = open(pty_path, O_RDWR | O_NOCTTY);
                                if (pty_fd == -1) 
                                        err(errno, "Could not open tty `%s'", 

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