Added num_roots to gc_status

Author: laruence

Zend/tests/gc_037.phpt

@@ -4,27 +4,31 @@ GC 037: gc_status()
 zend.enable_gc = 1
 --FILE--
 <?php
-var_dump(gc_status());
 $a = array();
 $a[] =& $a;
 unset($a);
+var_dump(gc_status());
 gc_collect_cycles();
 gc_collect_cycles();
 var_dump(gc_status());
 --EXPECT--
-array(3) {
+array(4) {
   ["runs"]=>
   int(0)
   ["collected"]=>
   int(0)
   ["threshold"]=>
   int(10001)
+  ["roots"]=>
+  int(1)
 }
-array(3) {
+array(4) {
   ["runs"]=>
   int(1)
   ["collected"]=>
   int(1)
   ["threshold"]=>
   int(10001)
+  ["roots"]=>
+  int(0)
 }

Zend/zend_builtin_functions.c

@@ -401,7 +401,9 @@ ZEND_FUNCTION(gc_status)
 	add_assoc_long_ex(return_value, "runs", sizeof("runs")-1, (long)status.runs);
 	add_assoc_long_ex(return_value, "collected", sizeof("collected")-1, (long)status.collected);
 	add_assoc_long_ex(return_value, "threshold", sizeof("threshold")-1, (long)status.threshold);
+	add_assoc_long_ex(return_value, "roots", sizeof("roots")-1, (long)status.num_roots);
 }
+/* }}} */
 
 /* {{{ proto int func_num_args(void)
    Get the number of arguments that were passed to the function */

Zend/zend_gc.c

@@ -1447,6 +1447,7 @@ ZEND_API void zend_gc_get_status(zend_gc_status *status)
 	status->runs = GC_G(gc_runs);
 	status->collected = GC_G(collected);
 	status->threshold = GC_G(gc_threshold);
+	status->num_roots = GC_G(num_roots);
 }
 
 /*

Zend/zend_gc.h

@@ -28,6 +28,7 @@ typedef struct _zend_gc_status {
 	uint32_t runs;
 	uint32_t collected;
 	uint32_t threshold;
+	uint32_t num_roots;
 } zend_gc_status;
 
 ZEND_API extern int (*gc_collect_cycles)(void);