Description: Add timeout before usb bulk write
Author: Steve Graham <bugs@annaghvarn.plus.com>
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=810919
Forwarded: https://alioth.debian.org/tracker/index.php?func=detail&aid=315288&group_id=30186&atid=410366
Last-Update: 2016-01-25
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
Index: trunk/sanei/sanei_usb.c
===================================================================
--- trunk.orig/sanei/sanei_usb.c
+++ trunk/sanei/sanei_usb.c
@@ -2411,6 +2411,10 @@ SANE_Status
 sanei_usb_write_bulk (SANE_Int dn, const SANE_Byte * buffer, size_t * size)
 {
   ssize_t write_size = 0;
+  struct timespec sleepytime, sleepyremain;
+
+  sleepytime.tv_nsec = 50000L; /* nanoseconds */
+  sleepytime.tv_sec  = 0;
 
   if (!size)
     {
@@ -2439,6 +2443,7 @@ sanei_usb_write_bulk (SANE_Int dn, const
   else if (devices[dn].method == sanei_usb_method_libusb)
 #ifdef HAVE_LIBUSB
     {
+      nanosleep(&sleepytime, &sleepyremain);        /* sg */
       if (devices[dn].bulk_out_ep)
 	{
 	  write_size = usb_bulk_write (devices[dn].libusb_handle,