add getloadavg() function that has been running in production on rs1.php.net

for a couple of years.

configure.in

@@ -466,6 +466,7 @@ ftok \
 funopen \
 gai_strerror \
 gcvt \
+getloadavg \
 getlogin \
 getprotobyname \
 getprotobynumber \

ext/standard/basic_functions.c

@@ -425,7 +425,9 @@ zend_function_entry basic_functions[] = {
 #ifdef HAVE_GETOPT
 	PHP_FE(getopt,															NULL)
 #endif
-
+#ifdef HAVE_GETLOADAVG
+	PHP_FE(getloadavg,														NULL)
+#endif
 #ifdef HAVE_GETTIMEOFDAY
 	PHP_FE(microtime,														NULL)
 	PHP_FE(gettimeofday,													NULL)
@@ -3344,6 +3346,23 @@ PHP_FUNCTION(import_request_variables)
 }
 /* }}} */
 
+#ifdef HAVE_GETLOADAVG
+PHP_FUNCTION(getloadavg)
+{
+	double load[3];
+
+	if (getloadavg(load, 3) == -1) {
+		RETURN_FALSE;
+	} else {
+		array_init(return_value);
+		add_index_double(return_value, 0, load[0]);
+		add_index_double(return_value, 1, load[1]);
+		add_index_double(return_value, 2, load[2]);
+	}
+}
+#endif
+
+
 /*
  * Local variables:
  * tab-width: 4

ext/standard/basic_functions.h

@@ -116,6 +116,9 @@ PHP_NAMED_FUNCTION(php_if_crc32);
 
 PHP_FUNCTION(register_tick_function);
 PHP_FUNCTION(unregister_tick_function);
+#ifdef HAVE_GETLOADAVG
+PHP_FUNCTION(getloadavg);
+#endif
 
 PHP_FUNCTION(is_uploaded_file);
 PHP_FUNCTION(move_uploaded_file);