GC_help_wanted    110 gc/include/private/gc_pmark.h     extern GC_bool GC_help_wanted;	/* Protected by mark lock	*/
GC_help_wanted    813 gc/mark.c      GC_bool GC_help_wanted = FALSE;
GC_help_wanted   1074 gc/mark.c          if (GC_help_wanted || GC_active_count != 0 || GC_helper_count != 0)
GC_help_wanted   1083 gc/mark.c          GC_help_wanted = TRUE;
GC_help_wanted   1089 gc/mark.c          GC_help_wanted = FALSE;
GC_help_wanted   1115 gc/mark.c                 || !GC_help_wanted && GC_mark_no == my_mark_no) {