Added Utility::GetPid() helper function.

lib/base/application.cpp

@@ -347,13 +347,7 @@ void Application::UpdatePidFile(const String& filename)
 	}
 #endif /* _WIN32 */
 
-#ifndef _WIN32
-	pid_t pid = getpid();
-#else /* _WIN32 */
-	DWORD pid = GetCurrentProcessId();
-#endif /* _WIN32 */
-
-	fprintf(m_PidFile, "%d", pid);
+	fprintf(m_PidFile, "%d", Utility::GetPid());
 	fflush(m_PidFile);
 }
 

lib/base/utility.cpp

@@ -289,3 +289,17 @@ double Utility::GetTime(void)
 	return tv.tv_sec + tv.tv_usec / 1000000.0;
 #endif /* _WIN32 */
 }
+
+/**
+ * Returns the ID of the current process.
+ *
+ * @returns The PID.
+ */
+pid_t Utility::GetPid(void)
+{
+#ifndef _WIN32
+	return getpid();
+#else /* _WIN32 */
+	return GetCurrentProcessId();
+#endif /* _WIN32 */
+}

lib/base/utility.h

@@ -48,6 +48,8 @@ public:
 
 	static double GetTime(void);
 
+	static pid_t GetPid(void);
+
 private:
 	static bool m_SSLInitialized;
 

lib/base/win32.h

@@ -35,6 +35,7 @@
 #endif /* __MINGW32__ */
 
 typedef int socklen_t;
+typedef DWORD pid_t;
 
 #define MAXPATHLEN MAX_PATH