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Viewing changes to src/gp_macpoll.c

  • Committer: Bazaar Package Importer
  • Author(s): Till Kamppeter
  • Date: 2009-01-20 16:40:45 UTC
  • mfrom: (1.1.10 upstream)
  • Revision ID: james.westby@ubuntu.com-20090120164045-lnfhi0n30o5lwhwa
Tags: 8.64.dfsg.1~svn9377-0ubuntu1
https://launchpad.net/bugs/317810
https://launchpad.net/bugs/314439
https://launchpad.net/bugs/314018
* New upstream release (SVN rev 9377)
   o Fixes many bugs concerning PDF rendering, to make the PDF printing
     workflow correctly working.
   o Fixes long-standing bugs in many drivers, like input paper tray and
     duplex options not working for the built-in PCL 4, 5, 5c, 5e, and
     6/XL drivers, PDF input not working for bjc600, bjc800, and cups
     output devices, several options not working and uninitialized
     memory with cups output device.
   o Merged nearly all patches of the Ubuntu and Debian packages upstream.
   o Fixes LP: #317810, LP: #314439, LP: #314018.
* debian/patches/03_libpaper_support.dpatch,
  debian/patches/11_gs-cjk_font_glyph_handling_fix.dpatch,
  debian/patches/12_gs-cjk_vertical_writing_metrics_fix.dpatch,
  debian/patches/13_gs-cjk_cjkps_examples.dpatch,
  debian/patches/20_bbox_segv_fix.dpatch,
  debian/patches/21_brother_7x0_gdi_fix.dpatch,
  debian/patches/22_epsn_margin_workaround.dpatch,
  debian/patches/24_gs_man_fix.dpatch,
  debian/patches/25_toolbin_insecure_tmp_usage_fix.dpatch,
  debian/patches/26_assorted_script_fixes.dpatch,
  debian/patches/29_gs_css_fix.dpatch,
  debian/patches/30_ps2pdf_man_improvement.dpatch,
  debian/patches/31_fix-gc-sigbus.dpatch,
  debian/patches/34_ftbfs-on-hurd-fix.dpatch,
  debian/patches/35_disable_libcairo.dpatch,
  debian/patches/38_pxl-duplex.dpatch,
  debian/patches/39_pxl-resolution.dpatch,
  debian/patches/42_gs-init-ps-delaybind-fix.dpatch,
  debian/patches/45_bjc600-bjc800-pdf-input.dpatch,
  debian/patches/48_cups-output-device-pdf-duplex-uninitialized-memory-fix.dpatch,
  debian/patches/50_lips4-floating-point-exception.dpatch,
  debian/patches/52_cups-device-logging.dpatch,
  debian/patches/55_pcl-input-slot-fix.dpatch,
  debian/patches/57_pxl-input-slot-fix.dpatch,
  debian/patches/60_pxl-cups-driver-pdf.dpatch,
  debian/patches/62_onebitcmyk-pdf.dpatch,
  debian/patches/65_too-big-temp-files-1.dpatch,
  debian/patches/67_too-big-temp-files-2.dpatch,
  debian/patches/70_take-into-account-data-in-stream-buffer-before-refill.dpatch:
  Removed, applied upstream.
* debian/patches/01_docdir_fix_for_debian.dpatch,
  debian/patches/02_gs_man_fix_debian.dpatch,
  debian/patches/01_docdir-fix-for-debian.dpatch,
  debian/patches/02_docdir-fix-for-debian.dpatch: Renamed patches to
  make merging with Debian easier.
* debian/patches/32_improve-handling-of-media-size-changes-from-gv.dpatch, 
  debian/patches/33_bad-params-to-xinitimage-on-large-bitmaps.dpatch:
  regenerated for new source directory structure.
* debian/rules: Corrected paths to remove cidfmap (it is in Resource/Init/
  in GS 8.64) and to install headers (source paths are psi/ and base/ now).
* debian/rules: Remove all fontmaps, as DeFoMa replaces them.
* debian/local/pdftoraster/pdftoraster.c,
  debian/local/pdftoraster/pdftoraster.convs, debian/rules: Removed
  added pdftoraster filter and use the one which comes with Ghostscript.
* debian/ghostscript.links: s/8.63/8.64/

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src/gp_macpoll.c
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/* Copyright (C) 2001-2006 Artifex Software, Inc.
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   All Rights Reserved.
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   This software is provided AS-IS with no warranty, either express or
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   implied.
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   This software is distributed under license and may not be copied, modified
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   or distributed except as expressly authorized under the terms of that
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   license.  Refer to licensing information at http://www.artifex.com/
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   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
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   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
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*/
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/* $Id: gp_macpoll.c 8022 2007-06-05 22:23:38Z giles $ */
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/*
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 * Macintosh platform polling support for Ghostscript.
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 *
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 */
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#ifndef __CARBON__
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#include <Timer.h>
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#else
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#include <Carbon.h>
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#endif
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#include "gx.h"
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#include "gp.h"
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#include "gsdll.h"
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#include "gpcheck.h"
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#include "iapi.h"
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#include "iref.h"
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#include "iminst.h"
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#include "imain.h"
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#ifdef CHECK_INTERRUPTS
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extern HWND hwndtext;
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/* ------ Process message loop ------ */
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/* 
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 * Check messages and interrupts; return true if interrupted.
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 * This is called frequently - it must be quick!
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 */
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int gp_check_interrupts(const gs_memory_t *mem)
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{
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        /* static variables need to go away for thread safety */
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        static unsigned long    lastYieldTicks = 0;
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        int iRetVal = 0;
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        if ((TickCount() - lastYieldTicks) > 2) {
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            lastYieldTicks = TickCount();
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            if (pgsdll_callback) {
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                /* WARNING: The use of the old gsdll interface is deprecated. 
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                 * The caller should use the newer gsapi_set_poll.
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                 * If the caller needs access to "hwndtext", it should do 
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                 * this via caller_handle which is passed to poll_fn.
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                 */
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                /* the hwnd parameter which is submitted in gsdll_init 
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                 * to the DLL is returned in every gsdll_poll message 
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                 * in the count parameter
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                 */
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                iRetVal = (*pgsdll_callback)(GSDLL_POLL, 0, (long) hwndtext);
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            } else {
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                if (mem == NULL) {
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                        /* this is not thread safe */
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                        mem = gs_lib_ctx_get_non_gc_memory_t();
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                }
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                if (mem && mem->gs_lib_ctx && mem->gs_lib_ctx->poll_fn)
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                    iRetVal = (*mem->gs_lib_ctx->poll_fn)(mem->gs_lib_ctx->caller_handle);
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            }
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        }
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        return iRetVal;
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}
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#endif