[vte] glib: glue: Set source names for debug

[Christian Persch <chpe src gnome org>]

commit 663983a1d38c782c73bb9af640d6e0beb26e86f6
Author: Christian Persch <chpe src gnome org>
Date:   Sun Apr 19 20:03:35 2020 +0200

    glib: glue: Set source names for debug
    
    https://gitlab.gnome.org/GNOME/vte/-/issues/231

 src/glib-glue.hh | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)
---
diff --git a/src/glib-glue.hh b/src/glib-glue.hh
index 5a1d7b3d..c2bc373a 100644
--- a/src/glib-glue.hh
+++ b/src/glib-glue.hh
@@ -86,8 +86,10 @@ public:
 
         Timer(callback_type callback,
               char const* name)
-                : m_callback(callback),
-                  m_name(name)
+                : m_callback(callback)
+#ifdef VTE_DEBUG
+                , m_name(name)
+#endif
         {
         }
 
@@ -123,6 +125,7 @@ public:
                                                  s_dispatch_timer_cb,
                                                  this,
                                                  s_destroy_timer_cb);
+                set_source_name();
         }
 
         void schedule_seconds(unsigned int timeout,
@@ -134,6 +137,7 @@ public:
                                                          s_dispatch_timer_cb,
                                                          this,
                                                          s_destroy_timer_cb);
+                set_source_name();
         }
 
         void schedule_idle(int priority = Priority::eDEFAULT) noexcept
@@ -143,6 +147,7 @@ public:
                                               s_dispatch_timer_cb,
                                               this,
                                               s_destroy_timer_cb);
+                set_source_name();
         }
 
         void abort() noexcept
@@ -157,7 +162,9 @@ public:
 
 private:
         callback_type m_callback{};
+#ifdef VTE_DEBUG
         char const* m_name{nullptr};
+#endif
         guint m_source_id{0};
         bool m_rescheduled{false};
 
@@ -179,6 +186,13 @@ private:
                 return rv;
         }
 
+        inline void set_source_name() const noexcept
+        {
+                #ifdef VTE_DEBUG
+                g_source_set_name_by_id(m_source_id, m_name);
+                #endif
+        }
+
         static gboolean s_dispatch_timer_cb(void* data) noexcept
         {
                 auto timer = reinterpret_cast<Timer*>(data);