* added mutex lock/unlock to Frelon::SerialLine write/readLine (respectively)

git-svn-id: https://scm.blissgarden.org/svn/lima/trunk@156 45c4679d-1946-429d-baad-37912b19538b

include/FrelonSerialLine.h

@@ -2,6 +2,7 @@
 #define FRELONSERIALLINE_H
 
 #include "Frelon.h"
+#include "ThreadUtils.h"
 
 namespace lima
 {
@@ -67,6 +68,7 @@ class SerialLine : public HwSerialLine
 
  private:
 	Espia::SerialLine& m_espia_ser_line;
+	Mutex m_mutex;
 	bool m_multi_line_cmd;
 	bool m_reset_cmd;
 	int m_last_warn;

src/FrelonSerialLine.cpp

@@ -37,6 +37,8 @@ void SerialLine::write(const string& buffer, bool no_wait)
 	splitMsg(buffer, msg_parts);
 	const string& cmd = msg_parts[MsgCmd];
 
+	m_mutex.lock();
+
 	m_multi_line_cmd = false;
 	m_reset_cmd = (cmd == CmdStrMap[Reset]);
 	if (!m_reset_cmd) {
@@ -70,6 +72,14 @@ void SerialLine::readStr(string& buffer, int max_len,
 
 void SerialLine::readLine(string& buffer, int max_len, double timeout)
 {
+	class AutoUnlock 
+	{
+		Mutex& m;
+	public:
+		AutoUnlock(Mutex& mutex) : m(mutex) {}
+		~AutoUnlock() { m.unlock(); }
+	} ul(m_mutex);
+
 	if ((timeout == TimeoutDefault) && (m_multi_line_cmd))
 		readMultiLine(buffer, max_len);
 	else