@@ -14,6 +14,8 @@ util/common.c \
 				util/area.c \
 				util/window.h \
 				util/window.c \
+				util/timer.h \
+				util/timer.c \
 				panel.h \
 				clock/clock.c \
 				clock/clock.h \

@@ -31,6 +31,7 @@ #include "panel.h"
 #include "taskbar.h"
 #include "battery.h"
 #include "clock.h"
+#include "timer.h"
 
 PangoFontDescription *bat1_font_desc=0;
 PangoFontDescription *bat2_font_desc=0;
@@ -46,6 +47,14 @@ char *path_energy_now=0;
 char *path_energy_full=0;
 char *path_current_now=0;
 char *path_status=0;
+
+void update_batterys()
+{
+	int i;
+	update_battery();
+	for (i=0 ; i < nb_panel ; i++)
+		panel1[i].battery.area.resize = 1;
+}
 
 
 void init_battery()
@@ -120,6 +129,9 @@ }
 
 	g_free(path1);
 	g_free(battery_dir);
+
+	if (battery_enabled)
+		install_timer(0, 1000000, 3, 0, update_batterys);
 }
 
 

@@ -30,6 +30,7 @@ #include "area.h"
 #include "panel.h"
 #include "taskbar.h"
 #include "clock.h"
+#include "timer.h"
 
 
 char *time1_format=0;
@@ -37,7 +38,6 @@ char *time2_format=0;
 char *clock_lclick_command=0;
 char *clock_rclick_command=0;
 struct timeval time_clock;
-int  time_precision;
 PangoFontDescription *time1_font_desc=0;
 PangoFontDescription *time2_font_desc=0;
 static char buf_time[40];
@@ -45,25 +45,25 @@ static char buf_date[40];
 int clock_enabled;
 
 
-void init_precision()
+void update_clocks()
 {
-	if (!time1_format) time_precision = 60;
-	else if (strchr(time1_format, 'S')) time_precision = 1;
-	else if (strchr(time1_format, 'T')) time_precision = 1;
-	else if (strchr(time1_format, 'r')) time_precision = 1;
-	else time_precision = 60;
+	gettimeofday(&time_clock, 0);
+	int i;
+	if (time1_format) {
+		for (i=0 ; i < nb_panel ; i++)
+			panel1[i].clock.area.resize = 1;
+	}
+	panel_refresh = 1;
 }
 
 
 void init_clock()
 {
-	init_precision();
-
-	// update clock to force update (-time_precision)
-	struct timeval stv;
-	gettimeofday(&stv, 0);
-	time_clock.tv_sec = stv.tv_sec - time_precision;
-	time_clock.tv_sec -= time_clock.tv_sec % time_precision;
+	if(time1_format) {
+		if (strchr(time1_format, 'S') || strchr(time1_format, 'T') || strchr(time1_format, 'r'))
+			install_timer(0, 1000000, 1, 0, update_clocks);
+		else install_timer(0, 1000000, 60, 0, update_clocks);
+	}
 }
 
 

@@ -26,8 +26,6 @@ 
 
 extern char *time1_format;
 extern char *time2_format;
-extern struct timeval time_clock;
-extern int  time_precision;
 extern PangoFontDescription *time1_font_desc;
 extern PangoFontDescription *time2_font_desc;
 extern char *clock_lclick_command;
@@ -38,7 +36,6 @@ 
 // initialize clock : y position, precision, ...
 void init_clock();
 void init_clock_panel(void *panel);
-void init_precision();
 void cleanup_clock();
 
 void draw_clock (void *obj, cairo_t *c, int active);

@@ -265,6 +265,11 @@ }
 
 	if (panel1) free(panel1);
 	panel1 = 0;
+
+	if (panel_config.g_task.font_desc) {
+		pango_font_description_free(panel_config.g_task.font_desc);
+		panel_config.g_task.font_desc = 0;
+	}
 }
 
 

@@ -51,7 +51,6 @@ 
 extern Task *task_active;
 extern Task *task_drag;
 extern GSList *urgent_list;
-extern int  tick_urgent;
 extern int  max_tick_urgent;
 
 extern Imlib_Image default_icon;

@@ -32,8 +32,9 @@ #include "task.h"
 #include "server.h"
 #include "panel.h"
 #include "tooltip.h"
+#include "timer.h"
 
-
+static int urgent_timer = 0;
 
 Task *add_task (Window win)
 {
@@ -411,6 +412,21 @@ }
 }
 
 
+void blink_urgent()
+{
+	GSList* urgent_task = urgent_list;
+	while (urgent_task) {
+		Task_urgent* t = urgent_task->data;
+		if ( t->tick < max_tick_urgent) {
+			t->tsk->area.is_active = !t->tsk->area.is_active;
+			t->tsk->area.redraw = 1;
+			t->tick++;
+		}
+		urgent_task = urgent_task->next;
+	}
+}
+
+
 void add_urgent(Task *tsk)
 {
 	// first check if task is already in the list and reset the counter
@@ -431,7 +447,11 @@ return;
 	t->tsk = tsk;
 	t->tick = 0;
 	urgent_list = g_slist_prepend(urgent_list, t);
-	time_precision = 1;
+
+	if (urgent_timer == 0)
+		urgent_timer = install_timer(0, 1000000, 1, 0, blink_urgent);
+	else
+		reset_timer(urgent_timer, 0, 1000000, 1, 0);
 }
 
 
@@ -444,7 +464,7 @@ if (t->tsk == tsk) {
 			urgent_list = g_slist_remove(urgent_list, t);
 			free(t);
 			if (!urgent_list)
-				init_precision();
+				reset_timer(urgent_timer, 0, 0, 0, 0);
 			return;
 		}
 		urgent_task = urgent_task->next;

@@ -19,10 +19,10 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 **************************************************************************/
 
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
@@ -38,7 +38,7 @@ #include "taskbar.h"
 #include "systraybar.h"
 #include "panel.h"
 #include "tooltip.h"
-
+#include "timer.h"
 
 void signal_handler(int sig)
 {
@@ -74,12 +74,21 @@ }
 	}
 
 	// Set signal handler
-	signal(SIGUSR1, signal_handler);
-	signal(SIGINT, signal_handler);
-	signal(SIGTERM, signal_handler);
-	signal(SIGHUP, signal_handler);
+	struct sigaction sa = { .sa_handler = signal_handler };
+	sigaction(SIGUSR1, &sa, 0);
+	sigaction(SIGINT, &sa, 0);
+	sigaction(SIGTERM, &sa, 0);
+	sigaction(SIGHUP, &sa, 0);
 	signal(SIGCHLD, SIG_IGN);		// don't have to wait() after fork()
 	signal(SIGALRM, tooltip_sighandler);
+	// block all signals, such that no race conditions occur before pselect in our main loop
+	sigset_t block_mask;
+	sigaddset(&block_mask, SIGINT);
+	sigaddset(&block_mask, SIGTERM);
+	sigaddset(&block_mask, SIGHUP);
+	sigaddset(&block_mask, SIGUSR1);
+	sigprocmask(SIG_BLOCK, &block_mask, 0);
+
 
 	// set global data
 	memset(&server, 0, sizeof(Server_global));
@@ -111,7 +120,7 @@ 
 	setlocale (LC_ALL, "");
 
 	// load default icon
-	char *path;
+	gchar *path;
 	const gchar * const *data_dirs;
 	data_dirs = g_get_system_data_dirs ();
 	for (i = 0; data_dirs[i] != NULL; i++)	{
@@ -660,42 +669,6 @@ 
 
 void event_timer()
 {
-	struct timeval stv;
-	int i;
-
-	if (gettimeofday(&stv, 0)) return;
-
-	if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
-	time_clock.tv_sec = stv.tv_sec;
-	time_clock.tv_sec -= time_clock.tv_sec % time_precision;
-
-	// urgent task
-	GSList* urgent_task = urgent_list;
-	while (urgent_task) {
-		Task_urgent* t = urgent_task->data;
-		if ( t->tick < max_tick_urgent) {
-			t->tsk->area.is_active = !t->tsk->area.is_active;
-			t->tsk->area.redraw = 1;
-			t->tick++;
-		}
-		urgent_task = urgent_task->next;
-	}
-
-	// update battery
-#ifdef ENABLE_BATTERY
-	if (battery_enabled) {
-		update_battery();
-		for (i=0 ; i < nb_panel ; i++)
-			panel1[i].battery.area.resize = 1;
-	}
-#endif
-
-	// update clock
-	if (time1_format) {
-		for (i=0 ; i < nb_panel ; i++)
-			panel1[i].clock.area.resize = 1;
-	}
-	panel_refresh = 1;
 }
 
 
@@ -732,11 +705,12 @@ 
 int main (int argc, char *argv[])
 {
 	XEvent e;
-	fd_set fd;
+	fd_set fd_set;
 	int x11_fd, i;
-	struct timeval tv;
 	Panel *panel;
 	GSList *it;
+	GSList* timer_iter;
+	struct timer* timer;
 
 	init (argc, argv);
 
@@ -762,17 +736,25 @@ 
 	x11_fd = ConnectionNumber(server.dsp);
 	XSync(server.dsp, False);
 
+	sigset_t empty_mask;
+	sigemptyset(&empty_mask);
+
 	while (1) {
 		// thanks to AngryLlama for the timer
-		// Create a File Description Set containing x11_fd
-		FD_ZERO (&fd);
-		FD_SET (x11_fd, &fd);
-
-		tv.tv_usec = 500000;
-		tv.tv_sec = 0;
+		// Create a File Description Set containing x11_fd, and every timer_fd
+		FD_ZERO (&fd_set);
+		FD_SET (x11_fd, &fd_set);
+		int max_fd = x11_fd;
+		timer_iter = timer_list;
+		while (timer_iter) {
+			timer = timer_iter->data;
+			max_fd = timer->id > max_fd ? timer->id : max_fd;
+			FD_SET(timer->id, &fd_set);
+			timer_iter = timer_iter->next;
+		}
 
 		// Wait for X Event or a Timer
-		if (select(x11_fd+1, &fd, 0, 0, &tv)) {
+		if (pselect(max_fd+1, &fd_set, 0, 0, 0, &empty_mask) > 0) {
 			while (XPending (server.dsp)) {
 				XNextEvent(server.dsp, &e);
 
@@ -844,22 +826,32 @@ }
 						break;
 				}
 			}
+
+			timer_iter = timer_list;
+			while (timer_iter) {
+				timer = timer_iter->data;
+				if (FD_ISSET(timer->id, &fd_set)) {
+					uint64_t dummy;
+					read(timer->id, &dummy, sizeof(uint64_t));
+					timer->_callback();
+				}
+				timer_iter = timer_iter->next;
+			}
 		}
-		event_timer();
 
 		switch (signal_pending) {
-			case SIGUSR1: // reload config file
-				signal_pending = 0;
-				init_config();
-				config_read_file (config_path);
-				init_panel();
-				cleanup_config();
-				break;
-			case SIGINT:
-			case SIGTERM:
-			case SIGHUP:
-				cleanup ();
-				return 0;
+		case SIGUSR1: // reload config file
+			signal_pending = 0;
+			init_config();
+			config_read_file (config_path);
+			init_panel();
+			cleanup_config();
+			break;
+		case SIGINT:
+		case SIGTERM:
+		case SIGHUP:
+			cleanup ();
+			return 0;
 		}
 
 		if (panel_refresh) {

@@ -64,6 +64,5 @@ 
 // adjust Alpha/Saturation/Brightness on an ARGB icon
 // alpha from 0 to 100, satur from 0 to 1, bright from 0 to 1.
 void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright);
-
 #endif