* backend/umax_pp_low.c: added O_NONBLOCK to flags when opening ppdev

character device, to get around hangs with 2.4.19 linux kernels in
	  pure EPP mode.

ChangeLog

@@ -1,3 +1,9 @@
+2002-10-23  Stéphane Voltz  <svoltz@wanadoo.fr>
+
+	* backend/umax_pp_low.c: added O_NONBLOCK to flags when opening ppdev
+	  character device, to get around hangs with 2.4.19 linux kernels in
+	  pure EPP mode.
+
 2002-10-20  Henning Meier-Geinitz <henning@meier-geinitz.de>
 
 	* README.linux: Added comment about DEC cc on Linux Alpha.

backend/umax_pp_low.c

@@ -433,7 +433,7 @@ sanei_umax_pp_InitPort (int port, char *name)
 	{
 	  /* ppdev opening and configuration                               */
 	  found = 0;
-	  fd = open (name, O_RDWR | O_NOCTTY);
+	  fd = open (name, O_RDWR | O_NOCTTY | O_NONBLOCK);
 	  if (fd < 0)
 	    {
 	      switch (errno)
@@ -7791,7 +7791,7 @@ sanei_umax_pp_StartScan (int x, int y, int width, int height, int dpi,
     0x41, 0xA0, 0x0A, 0x8B, 0x49, 0x2A, 0xE9, 0x68, 0xDF, 0x33, 0x1A, 0x00,
     -1
   };
-#define UMAX_PP_DANGEROUS_EXPERIMENT 666
+
 #ifdef UMAX_PP_DANGEROUS_EXPERIMENT
   FILE *f = NULL;
   char line[1024], *ptr;