Open /dev/console with NOCTTY and O_NONBLOCK flags

In some cases, for SPARC servers, special files like fifo need
to open in nonblocking mode otherwise whole xconsole GUI freezes.
Also /dev/console is often a terminal device.  So I am opening
/dev/console with NOCTTY and O_NONBLOCK flags.

Signed-off-by: Arvind Umrao <arvind.umrao@oracle.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/xconsole.c b/xconsole.c
index adbc298..d4b953c 100644
--- a/xconsole.c
+++ b/xconsole.c
@@ -334,7 +334,11 @@ OpenConsole(void)
 	    regularFile = FALSE;
 	    if (access(app_resources.file, R_OK) == 0)
 	    {
-		input = fopen (app_resources.file, "r");
+		int fd  = open (app_resources.file,
+				O_RDONLY | O_NONBLOCK | O_NOCTTY);
+		if (fd != -1)
+		    input = fdopen (fd, "r");
+
 		if (input)
 		    if (!stat(app_resources.file, &sbuf) &&
 			S_ISREG( sbuf.st_mode ) )