X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/f9496083cda8b890a36f2d80c24883fe88a4ad37..106b392046318fe414f071a63bbff9efe078204b:/lib/base/filepush.cpp

diff --git a/lib/base/filepush.cpp b/lib/base/filepush.cpp
index 8aed99fa..8424ae41 100644
--- a/lib/base/filepush.cpp
+++ b/lib/base/filepush.cpp
@@ -6,7 +6,8 @@
 
 #define PVR_COMMIT 1
 
-eFilePushThread::eFilePushThread(): m_messagepump(eApp, 0)
+eFilePushThread::eFilePushThread(int io_prio_class, int io_prio_level)
+	:prio_class(io_prio_class), prio(io_prio_level), m_messagepump(eApp, 0)
 {
 	m_stop = 0;
 	m_sg = 0;
@@ -21,6 +22,8 @@ static void signal_handler(int x)
 
 void eFilePushThread::thread()
 {
+	setIoPrio(prio_class, prio);
+
 	off_t dest_pos = 0, source_pos = 0;
 	size_t bytes_read = 0;
 	
@@ -28,10 +31,9 @@ void eFilePushThread::thread()
 	size_t current_span_remaining = 0;
 	
 	size_t written_since_last_sync = 0;
-	
+
 	int already_empty = 0;
 	eDebug("FILEPUSH THREAD START");
-		// this is a race. FIXME.
 	
 		/* we set the signal to not restart syscalls, so we can detect our signal. */
 	struct sigaction act;
@@ -39,7 +41,8 @@ void eFilePushThread::thread()
 	act.sa_flags = 0;
 	sigaction(SIGUSR1, &act, 0);
 	
-	dest_pos = lseek(m_fd_dest, 0, SEEK_CUR);
+	hasStarted();
+	
 	source_pos = m_raw_source.lseek(0, SEEK_CUR);
 	
 		/* m_stop must be evaluated after each syscall. */
@@ -60,15 +63,16 @@ void eFilePushThread::thread()
 				// ... we would stop the thread
 			}
 
-//			posix_fadvise(m_fd_dest, dest_pos, w, POSIX_FADV_DONTNEED);
-
-			dest_pos += w;
 			written_since_last_sync += w;
-			
-			if (written_since_last_sync >= 2048*1024)
+
+			if (written_since_last_sync >= 512*1024)
 			{
-				fdatasync(m_fd_dest);
-				written_since_last_sync = 0;
+				int toflush = written_since_last_sync > 2*1024*1024 ?
+					2*1024*1024 : written_since_last_sync &~ 4095; // write max 2MB at once
+				dest_pos = lseek(m_fd_dest, 0, SEEK_CUR);
+				dest_pos -= toflush;
+				posix_fadvise(m_fd_dest, dest_pos, toflush, POSIX_FADV_DONTNEED);
+				written_since_last_sync -= toflush;
 			}
 
 //			printf("FILEPUSH: wrote %d bytes\n", w);
@@ -144,7 +148,8 @@ void eFilePushThread::thread()
 		}
 //		printf("FILEPUSH: read %d bytes\n", m_buf_end);
 	}
-	
+	fdatasync(m_fd_dest);
+
 	eDebug("FILEPUSH THREAD STOP");
 }
 
@@ -166,10 +171,20 @@ int eFilePushThread::start(const char *filename, int fd_dest)
 
 void eFilePushThread::stop()
 {
-	if (!thread_running()) /* FIXME: races */
+		/* if we aren't running, don't bother stopping. */
+	if (!sync())
 		return;
+
 	m_stop = 1;
-	sendSignal(SIGUSR1);
+
+	// fixmee.. here we need a better solution to ensure
+	// that the thread context take notice of the signal
+	// even when no syscall is in progress
+	while(!sendSignal(SIGUSR1))
+	{
+		eDebug("send SIGUSR1 to thread context");
+		usleep(5000); // wait msek
+	}
 	kill();
 }