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- Better paper-out detection patch (bug #241589).

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This commit is contained in:
Tim Waugh 2007-06-12 09:24:24 +00:00
parent 34605b7964
commit b66134a211
2 changed files with 54 additions and 6 deletions
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55
cups-usb-paperout.patch
View File

@ -1,5 +1,5 @@
--- cups-1.2.10/backend/runloop.c.usb-paperout 2006-12-06 20:10:16.000000000 +0000
+++ cups-1.2.10/backend/runloop.c 2007-04-25 18:00:59.000000000 +0100
+++ cups-1.2.10/backend/runloop.c 2007-05-29 19:21:32.000000000 +0100
@@ -40,6 +40,14 @@
#endif /* __hpux */
@ -25,7 +25,52 @@
fprintf(stderr, "DEBUG: backendRunLoop(print_fd=%d, device_fd=%d, use_bc=%d)\n",
@@ -227,6 +238,9 @@
@@ -110,12 +121,9 @@
FD_ZERO(&input);
if (!print_bytes)
FD_SET(print_fd, &input);
- if (use_bc)
- FD_SET(device_fd, &input);
FD_ZERO(&output);
- if (print_bytes || !use_bc)
- FD_SET(device_fd, &output);
+ FD_SET(device_fd, &output);
if (use_bc)
{
@@ -141,14 +149,24 @@
* Check if we have back-channel data ready...
*/
- if (FD_ISSET(device_fd, &input))
+ if (use_bc && FD_ISSET(device_fd, &output)) /* finished writing */
{
- if ((bc_bytes = read(device_fd, bc_buffer, sizeof(bc_buffer))) > 0)
+ struct timeval nowait;
+ fd_set readback;
+ FD_ZERO (&readback);
+ nowait.tv_sec = 0;
+ nowait.tv_usec = 0;
+ FD_SET(device_fd, &readback);
+ if (select (device_fd + 1, &readback, NULL, NULL, &nowait) &&
+ FD_ISSET(device_fd, &readback))
{
- fprintf(stderr,
- "DEBUG: Received " CUPS_LLFMT " bytes of back-channel data!\n",
- CUPS_LLCAST bc_bytes);
- cupsBackChannelWrite(bc_buffer, bc_bytes, 1.0);
+ if ((bc_bytes = read(device_fd, bc_buffer, sizeof(bc_buffer))) > 0)
+ {
+ fprintf(stderr,
+ "DEBUG: Received " CUPS_LLFMT " bytes of back-channel data!\n",
+ CUPS_LLCAST bc_bytes);
+ cupsBackChannelWrite(bc_buffer, bc_bytes, 1.0);
+ }
}
}
@@ -227,6 +245,9 @@
}
else
{
@ -35,7 +80,7 @@
if (paperout)
{
fputs("STATE: -media-empty-error\n", stderr);
@@ -247,7 +261,42 @@
@@ -247,7 +268,42 @@
total_bytes += bytes;
}
}
@ -78,8 +123,8 @@
/*
* Return with success...
--- cups-1.2.10/backend/usb-unix.c.usb-paperout 2007-04-25 17:50:06.000000000 +0100
+++ cups-1.2.10/backend/usb-unix.c 2007-04-25 17:50:06.000000000 +0100
--- cups-1.2.10/backend/usb-unix.c.usb-paperout 2007-05-29 19:10:08.000000000 +0100
+++ cups-1.2.10/backend/usb-unix.c 2007-05-29 19:10:08.000000000 +0100
@@ -39,6 +39,11 @@
#include "ieee1284.c"
#include <sys/select.h>

5
cups.spec
View File

@ -156,7 +156,7 @@ lpd emulation.
%patch22 -p1 -b .af_unix-auth
%patch23 -p1 -b .str2323
%patch24 -p1 -b .str2109
#%patch25 -p1 -b .usb-paperout
%patch25 -p1 -b .usb-paperout
%patch26 -p1 -b .str2348
%if %lspp
@ -444,6 +444,9 @@ rm -rf $RPM_BUILD_ROOT
%{cups_serverbin}/daemon/cups-lpd
%changelog
* Tue Jun 12 2007 Tim Waugh <twaugh@redhat.com>
- Better paper-out detection patch (bug #241589).
* Wed May 9 2007 Tim Waugh <twaugh@redhat.com> 1:1.2.10-10
* Revert paper-out detection for the moment.