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+ echo "$as_me:15267: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:15399: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:15368: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:15403: \$? = $ac_status" >&5
+ echo "$as_me:15372: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:15454: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:15423: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:15458: \$? = $ac_status" >&5
+ echo "$as_me:15427: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
fi
supports_anon_versioning=no
case `$LD -v 2>&1` in
- *GNU\ gold*) supports_anon_versioning=yes ;;
*\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
*\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
*\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
;;
- gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+ gnu* | linux* | tpf* | k*bsd*-gnu)
tmp_diet=no
if test "$host_os" = linux-dietlibc; then
case $cc_basename in
;;
# This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu)
version_type=linux
need_lib_prefix=no
need_version=no
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17838 "configure"
+#line 17806 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17934 "configure"
+#line 17902 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
--- /dev/null
+/* $Id$
+ * $URL$
+ *
+ * generic grouping of widget timers that have been set to the same
+ * update interval, thus allowing synchronized updates
+ *
+ * Copyright (C) 2010 Martin Zuther <code@mzuther.de>
+ *
+ * Based on "timer.c" which is
+ * Copyright (C) 2003, 2004 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * exported functions:
+ *
+ * int timer_add_group(void (*callback) (void *data), const int interval)
+ * make sure that generic timer exists for given update interval
+ *
+ * int timer_remove_group(void (*callback) (void *data), const int interval)
+ * remove generic timer for given update interval
+ *
+ * void timer_process_group(void *data)
+ * process all widgets of a given update interval (*data)
+ *
+ * void timer_exit_group(void)
+ * release all timers and free reserved memory
+ *
+ * int timer_add_widget(void (*callback) (void *data), void *data, const int interval, const int one_shot)
+ * add widget to group of the given update interval (creates a new group if
+ * necessary)
+ *
+ * int timer_remove_widget(void (*callback) (void *data), void *data)
+ * remove widget from group of the given update interval (als removes emtpy
+ * groups)
+ *
+ */
+
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "timer.h"
+#include "timer_group.h"
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+
+/* contains the actual timers, one for each update interval */
+typedef struct TIMER_GROUP {
+ void (*callback) (void *data);
+ int *interval;
+ int active;
+} TIMER_GROUP;
+
+TIMER_GROUP *GroupTimers = NULL;
+int nGroupTimers = 0;
+
+/* contains callback and data for each widget */
+typedef struct SINGLE_TIMER {
+ void (*callback) (void *data);
+ void *data;
+ int interval;
+ int one_shot;
+ int active;
+} SINGLE_TIMER;
+
+SINGLE_TIMER *SingleTimers = NULL;
+int nSingleTimers = 0;
+
+int timer_add_group(void (*callback) (void *data), const int interval)
+{
+ int group;
+
+ /* check whether timer exists for given update interval */
+ for (group = 0; group < nGroupTimers; group++) {
+ if (*GroupTimers[group].interval == interval)
+ return 0;
+ }
+
+ /* otherwise look for a free group */
+ for (group = 0; group < nGroupTimers; group++) {
+ if (GroupTimers[group].active == 0)
+ break;
+ }
+
+ /* none found, allocate a new group */
+ if (group >= nGroupTimers) {
+ nGroupTimers++;
+ GroupTimers = realloc(GroupTimers, nGroupTimers * sizeof(*GroupTimers));
+
+ /* also allocate memory for callback data */
+ GroupTimers[group].interval = malloc(sizeof(int));
+ }
+
+ /* initialize group */
+ info("Creating new timer group (%d ms)", interval);
+
+ GroupTimers[group].callback = callback;
+ *GroupTimers[group].interval = interval;
+ GroupTimers[group].active = 1;
+
+ /* finally, request a generic timer */
+ return timer_add(GroupTimers[group].callback, GroupTimers[group].interval, interval, 0);
+}
+
+int timer_remove_group(void (*callback) (void *data), const int interval)
+{
+ int group;
+
+ /* look for group with given callback function and update interval */
+ for (group = 0; group < nGroupTimers; group++) {
+ if (GroupTimers[group].callback == callback && *GroupTimers[group].interval == interval
+ && GroupTimers[group].active) {
+ /* inactivate group */
+ GroupTimers[group].active = 0;
+
+ /* remove generic timer */
+ return timer_remove(GroupTimers[group].callback, GroupTimers[group].interval);
+ }
+ }
+ return -1;
+}
+
+void timer_process_group(void *data)
+{
+ int slot;
+ int *interval = (int *) data;
+
+ /* sanity check */
+ if (nSingleTimers == 0) {
+ error("huh? not even a single widget timer to process? dazed and confused...");
+ return;
+ }
+
+ /* process every (active) widget associated with given update interval */
+ for (slot = 0; slot < nSingleTimers; slot++) {
+ if (SingleTimers[slot].active == 0)
+ continue;
+
+ if (SingleTimers[slot].interval == *interval) {
+ /* call one-shot timers only once */
+ if (SingleTimers[slot].one_shot)
+ SingleTimers[slot].active = 0;
+ /* execute callback function */
+ if (SingleTimers[slot].callback != NULL)
+ SingleTimers[slot].callback(SingleTimers[slot].data);
+ }
+ }
+}
+
+int timer_add_widget(void (*callback) (void *data), void *data, const int interval, const int one_shot)
+{
+ int slot;
+
+ /* make sure that group for update interval exists or can be created */
+ if (timer_add_group(timer_process_group, interval) != 0)
+ return -1;
+
+ /* find a free slot for callback data */
+ for (slot = 0; slot < nSingleTimers; slot++) {
+ if (SingleTimers[slot].active == 0)
+ break;
+ }
+
+ /* none found, allocate a new slot */
+ if (slot >= nSingleTimers) {
+ nSingleTimers++;
+ SingleTimers = realloc(SingleTimers, nSingleTimers * sizeof(*SingleTimers));
+ }
+
+ /* fill slot with callback data */
+ SingleTimers[slot].callback = callback;
+ SingleTimers[slot].data = data;
+ SingleTimers[slot].interval = interval;
+ SingleTimers[slot].one_shot = one_shot;
+ SingleTimers[slot].active = 1;
+
+ return 0;
+}
+
+int timer_remove_widget(void (*callback) (void *data), void *data)
+{
+ int slot, interval;
+
+ interval = 0;
+ /* look for (active) widget with given callback function and data */
+ for (slot = 0; slot < nSingleTimers; slot++) {
+ if (SingleTimers[slot].callback == callback && SingleTimers[slot].data == data && SingleTimers[slot].active) {
+ /* deactivate widget */
+ SingleTimers[slot].active = 0;
+ interval = SingleTimers[slot].interval;
+ break;
+ }
+ }
+
+ /* signal an error if no matching widget was found */
+ if (interval == 0)
+ return -1;
+
+ /* look for other widgets with given update interval */
+ for (slot = 0; slot < nSingleTimers; slot++) {
+ if (SingleTimers[slot].active == 0)
+ continue;
+ /* at least one other widget with given update interval exists */
+ if (SingleTimers[slot].interval == interval)
+ return 0;
+ }
+
+ /* remove group with given update interval */
+ return timer_remove_group(timer_process_group, interval);
+}
+
+void timer_exit_group(void)
+{
+ int group;
+
+ /* remove generic timer and free memory for callback data */
+ for (group = 0; group < nGroupTimers; group++) {
+ timer_remove(GroupTimers[group].callback, GroupTimers[group].interval);
+ free(GroupTimers[group].interval);
+ }
+
+ /* free memory for groups */
+ nGroupTimers = 0;
+
+ if (GroupTimers != NULL) {
+ free(GroupTimers);;
+ GroupTimers = NULL;
+ }
+
+ /* free memory for widget callback data */
+ nSingleTimers = 0;
+
+ if (SingleTimers != NULL) {
+ free(SingleTimers);;
+ SingleTimers = NULL;
+ }
+}
projects / lcd4linux.git / commitdiff