Added sharedLog and sharedMessageDispatch libraries

engine/shared/library/sharedLog/src/linux/StderrLogger.cpp

@@ -0,0 +1,74 @@
+// ======================================================================
+//
+// StderrLogger.cpp
+//
+// Copyright 2003 Sony Online Entertainment
+//
+// ======================================================================
+
+#include "sharedLog/FirstSharedLog.h"
+#include "sharedLog/StderrLogger.h"
+#include "sharedLog/Log.h"
+#include <string>
+#include <fcntl.h>
+
+// ======================================================================
+
+namespace StderrLoggerNamespace
+{
+	bool s_installed;
+	int s_oldStderr;
+	int s_stderrPipe[2];
+}
+using namespace StderrLoggerNamespace;
+
+// ======================================================================
+
+void StderrLogger::install()
+{
+	DEBUG_FATAL(s_installed, ("StderrLogger already installed"));
+	s_installed = true;
+	s_oldStderr = dup(2);
+	pipe(s_stderrPipe);
+	dup2(s_stderrPipe[1], 2);
+	fcntl(s_stderrPipe[0], F_SETFL, O_NONBLOCK);
+}
+
+// ----------------------------------------------------------------------
+
+void StderrLogger::remove()
+{
+	DEBUG_FATAL(!s_installed, ("StderrLogger not installed"));
+	dup2(s_oldStderr, 2);
+	close(s_stderrPipe[0]);
+	close(s_stderrPipe[1]);
+	s_installed = false;
+}
+
+// ----------------------------------------------------------------------
+
+void StderrLogger::update()
+{
+	if (!s_installed)
+		return;
+
+	char buf[8192];
+	int nRead = read(s_stderrPipe[0], buf, sizeof(buf)-1);
+	if (nRead > 0)
+	{
+		int startPos = 0;
+		while (startPos < nRead)
+		{
+			int endPos = startPos;
+			while (buf[endPos] != '\n' && endPos < nRead)
+				++endPos;
+			buf[endPos] = 0;
+			if (endPos > startPos)
+				LOG("stderr", ("%s", buf+startPos));
+			startPos = endPos+1;
+		}
+	}
+}
+
+// ======================================================================
+