Add 'GTimeSpec' as 'struct timespec' equivalent

docs/reference/glib/glib-sections.txt

@@ -1319,6 +1319,9 @@ g_time_val_add
 g_time_val_from_iso8601
 g_time_val_to_iso8601
 
+<SUBSECTION>
+GTimeSpec
+
 <SUBSECTION>
 GDate
 GTime

docs/reference/glib/tmpl/date.sgml

@@ -134,6 +134,14 @@ length of the sleep.
 @Returns: 
 
 
+<!-- ##### STRUCT GTimeSpec ##### -->
+<para>
+
+</para>
+
+@tv_sec: 
+@tv_nsec: 
+
 <!-- ##### STRUCT GDate ##### -->
 <para>
 Represents a day between January 1, Year 1 and a few thousand years in

glib/gmain.c

@@ -1812,6 +1812,15 @@ g_get_current_time (GTimeVal *result)
 #endif
 }
 
+/**
+ * GTimeSpec:
+ *
+ * Represents a precise time, with seconds and nanoseconds.  This is
+ * similar to POSIX <structname>struct timespec</structname>.
+ *
+ * Since: 2.28
+ **/
+
 static void
 g_main_dispatch_free (gpointer dispatch)
 {

glib/gtypes.h

@@ -33,6 +33,7 @@
 
 #include <glibconfig.h>
 #include <glib/gmacros.h>
+#include <time.h>
 
 G_BEGIN_DECLS
 
@@ -423,6 +424,14 @@ struct _GTimeVal
   glong tv_usec;
 };
 
+typedef struct _GTimeSpec               GTimeSpec;
+
+struct _GTimeSpec
+{
+  time_t tv_sec;
+  glong  tv_nsec;
+};
+
 G_END_DECLS
 
 /* We prefix variable declarations so they can