thread/*Cond: rename methods to match std::condition_variable

src/decoder/Bridge.cxx

@@ -127,7 +127,7 @@ DecoderBridge::FlushChunk() noexcept
 
 	const std::lock_guard<Mutex> protect(dc.mutex);
 	if (dc.client_is_waiting)
-		dc.client_cond.signal();
+		dc.client_cond.notify_one();
 }
 
 bool
@@ -310,7 +310,7 @@ DecoderBridge::CommandFinished() noexcept
 	}
 
 	dc.command = DecoderCommand::NONE;
-	dc.client_cond.signal();
+	dc.client_cond.notify_one();
 }
 
 SongTime

src/decoder/Control.cxx

@@ -67,7 +67,7 @@ DecoderControl::SetReady(const AudioFormat audio_format,
 	total_time = _duration;
 
 	state = DecoderState::DECODE;
-	client_cond.signal();
+	client_cond.notify_one();
 }
 
 bool

src/decoder/Control.hxx

@@ -199,7 +199,7 @@ public:
 	 * calling this function.
 	 */
 	void Signal() noexcept {
-		cond.signal();
+		cond.notify_one();
 	}
 
 	/**
@@ -367,7 +367,7 @@ public:
 		assert(command != DecoderCommand::NONE);
 
 		command = DecoderCommand::NONE;
-		client_cond.signal();
+		client_cond.notify_one();
 	}
 
 	/**
@@ -428,11 +428,11 @@ private:
 
 	/* virtual methods from class InputStreamHandler */
 	void OnInputStreamReady() noexcept override {
-		cond.signal();
+		cond.notify_one();
 	}
 
 	void OnInputStreamAvailable() noexcept override {
-		cond.signal();
+		cond.notify_one();
 	}
 };
 

src/decoder/Thread.cxx

@@ -450,7 +450,7 @@ decoder_run_song(DecoderControl &dc,
 		throw FormatRuntimeError("Failed to decode %s", error_uri);
 	}
 
-	dc.client_cond.signal();
+	dc.client_cond.notify_one();
 }
 
 /**
@@ -479,7 +479,7 @@ try {
 	dc.state = DecoderState::ERROR;
 	dc.command = DecoderCommand::NONE;
 	dc.error = std::current_exception();
-	dc.client_cond.signal();
+	dc.client_cond.notify_one();
 }
 
 void