Simplify timed_thread time calculations with some c++0x magic

src/audacious.cc

@@ -89,9 +89,8 @@ int create_audacious_thread(void)
 {
 	if (!info.audacious.p_timed_thread) {
 		info.audacious.p_timed_thread =
-			timed_thread::create(std::bind(audacious_thread_func,
-						std::placeholders::_1), info.music_player_interval *
-					1000000);
+			timed_thread::create(std::bind(audacious_thread_func, std::placeholders::_1),
+					std::chrono::microseconds(long(info.music_player_interval * 1000000)));
 	}
 
 	if (!info.audacious.p_timed_thread) {

src/ccurl_thread.cc

@@ -144,7 +144,7 @@ void ccurl_init_thread(ccurl_location_ptr curloc, int interval)
 	assert(curloc->result);
 #endif /* DEBUG */
 	curloc->p_timed_thread = timed_thread::create(std::bind(ccurl_thread,
-				std::placeholders::_1, curloc), interval * 1000000);
+				std::placeholders::_1, curloc), std::chrono::microseconds(long(interval * 1000000)));
 
 	if (!curloc->p_timed_thread) {
 		NORM_ERR("curl thread: error creating timed thread");

src/exec.cc

@@ -323,7 +323,8 @@ void print_execi(struct text_object *obj, char *p, int p_max_size)
 			 * note that we don't register this thread with the
 			 * timed_thread list, because we destroy it manually
 			 */
-			ed->p_timed_thread = timed_thread::create(std::bind(threaded_exec, std::placeholders::_1, obj), ed->interval * 1000000, false);
+			ed->p_timed_thread = timed_thread::create(std::bind(threaded_exec, std::placeholders::_1, obj),
+					std::chrono::microseconds(long(ed->interval * 1000000)), false);
 			if (!ed->p_timed_thread) {
 				NORM_ERR("Error creating texeci timed thread");
 			}

src/mail.cc

@@ -643,7 +643,8 @@ static void ensure_mail_thread(struct mail_s *mail,
 	if (mail->p_timed_thread)
 		return;
 
-	mail->p_timed_thread = timed_thread::create(std::bind(func, std::placeholders::_1, mail), mail->interval * 1000000);
+	mail->p_timed_thread = timed_thread::create(std::bind(func, std::placeholders::_1, mail),
+			std::chrono::microseconds(long(mail->interval * 1000000)));
 	if (!mail->p_timed_thread) {
 		NORM_ERR("Error creating %s timed thread", text);
 	}

src/moc.cc

@@ -126,7 +126,7 @@ static void update_moc_loop(thread_handle &handle)
 	/* never reached */
 }
 
-static int run_moc_thread(double interval)
+static int run_moc_thread(std::chrono::microseconds interval)
 {
 	if (moc_thread)
 		return 0;
@@ -141,7 +141,7 @@ static int run_moc_thread(double interval)
 
 int update_moc(void)
 {
-	run_moc_thread(info.music_player_interval * 100000);
+	run_moc_thread(std::chrono::microseconds(long(info.music_player_interval * 100000)));
 	return 0;
 }
 

src/mpd.cc

@@ -127,14 +127,13 @@ static void update_mpd_thread(thread_handle &handle);
 
 int update_mpd(void)
 {
-	int interval;
 	static timed_thread_ptr thread;
 
 	if (thread)
 		return 0;
 
-	interval = info.music_player_interval * 1000000;
-	thread = timed_thread::create(std::bind(update_mpd_thread, std::placeholders::_1), interval);
+	thread = timed_thread::create(std::bind(update_mpd_thread, std::placeholders::_1),
+			std::chrono::microseconds(long(info.music_player_interval * 1000000)) );
 	if (!thread) {
 		NORM_ERR("Failed to create MPD timed thread");
 		return 0;

src/timed-thread.cc

@@ -30,7 +30,6 @@
 
 #include <thread>
 #include <list>
-#include <chrono>
 #include <assert.h>
 #include <errno.h>
 #include <stdio.h>
@@ -52,10 +51,10 @@ inline bool cv_status_to_bool(bool s)
 { return s; }
 #endif
 
-
 /* Abstraction layer for timed threads */
 
 typedef struct std::chrono::system_clock clk;
+using std::chrono::duration_cast;
 
 /* private */
 struct _timed_thread {
@@ -73,8 +72,8 @@ typedef std::list<timed_thread_ptr> thread_list_t;
 thread_list_t thread_list;
 
 /* create a timed thread (object creation only) */
-timed_thread::timed_thread(const std::function<void(thread_handle &)> &start_routine, unsigned
-		int interval_usecs) :
+timed_thread::timed_thread(const std::function<void(thread_handle &)> &start_routine,
+		std::chrono::microseconds interval_usecs) :
 	p_timed_thread(new _timed_thread), p_thread_handle(this),
 	interval_usecs(interval_usecs), running(false)
 {
@@ -177,16 +176,7 @@ int timed_thread::test(int override_wait_time)
 #endif /* DEBUG */
 	bool rc = false;
 	/* determine when to wait until */
-#ifdef _GLIBCXX_USE_CLOCK_REALTIME
-	clk::time_point wait_time = p_timed_thread->last_time +
-		clk::duration(interval_usecs * 1000);
-#elif defined(_GLIBCXX_USE_GETTIMEOFDAY)
-	clk::time_point wait_time = p_timed_thread->last_time +
-		clk::duration(interval_usecs);
-#else
-	clk::time_point wait_time = p_timed_thread->last_time +
-		clk::duration(interval_usecs / 1000000);
-#endif
+	clk::time_point wait_time = p_timed_thread->last_time + duration_cast<clk::duration>(interval_usecs);
 
 	/* acquire runnable_cond mutex */
 	{
@@ -206,22 +196,9 @@ int timed_thread::test(int override_wait_time)
 	}
 
 	p_timed_thread->last_time = clk::now();
-#ifdef _GLIBCXX_USE_CLOCK_REALTIME
-	if (wait_time + clk::duration(interval_usecs * 1000) >
-			p_timed_thread->last_time) {
+	if (wait_time + duration_cast<clk::duration>(interval_usecs) > p_timed_thread->last_time) {
 		p_timed_thread->last_time = wait_time;
 	}
-#elif defined(_GLIBCXX_USE_GETTIMEOFDAY)
-	if (wait_time + clk::duration(interval_usecs) >
-			p_timed_thread->last_time) {
-		p_timed_thread->last_time = wait_time;
-	}
-#else
-	if (wait_time + clk::duration(interval_usecs / 1000000) >
-			p_timed_thread->last_time) {
-		p_timed_thread->last_time = wait_time;
-	}
-#endif
 	
 	/* if runnable_cond was signaled, tell caller to exit thread */
 	return rc;

src/timed-thread.h

@@ -26,6 +26,7 @@
 #define _TIMED_THREAD_H_
 
 #include <stdlib.h>
+#include <chrono>
 #include <functional>
 #include <memory>
 
@@ -59,8 +60,8 @@ class thread_handle {
 class timed_thread {
 	public:
 		/* create a timed thread (object creation only) */
-		static timed_thread_ptr create(const std::function<void(thread_handle &)> &start_routine, const unsigned int
-				interval_usecs, bool register_for_destruction = true) {
+		static timed_thread_ptr create(const std::function<void(thread_handle &)> &start_routine, 
+				std::chrono::microseconds interval_usecs, bool register_for_destruction = true) {
 			timed_thread_ptr ptr(new timed_thread(start_routine, interval_usecs));
 			if (register_for_destruction) {
 				register_(ptr);
@@ -92,8 +93,8 @@ class timed_thread {
 
 	private:
 		/* create a timed thread (object creation only) */
-		timed_thread(const std::function<void(thread_handle &)> &start_routine, unsigned int
-				interval_usecs);
+		timed_thread(const std::function<void(thread_handle &)> &start_routine,
+				std::chrono::microseconds interval_usecs);
 
 		/* waits required interval (unless override_wait_time is non-zero) for
 		 * termination signal returns 1 if received, 0 otherwise.  should also return 1
@@ -112,7 +113,7 @@ class timed_thread {
 		/* private internal data */
 		std::auto_ptr<_timed_thread> p_timed_thread;
 		thread_handle p_thread_handle;
-		unsigned int interval_usecs;
+		std::chrono::microseconds interval_usecs;
 		bool running;
 		friend class thread_handle;
 };