e1ba8c6f23
* harbour/include/hbapi.h
* harbour/include/hbvm.h
* harbour/include/hbvmpub.h
* harbour/include/hbstack.h
* harbour/src/vm/hvm.c
* harbour/src/vm/estack.c
* harbour/src/vm/fm.c
* harbour/src/vm/garbage.c
+ added new function hb_xclean() executed by GC just before resuming
suspended threads - it can be used by memory manager to clean
internal structures and release unused memory to OS.
% release unused memory to OS in hb_xclean() when DLMALLOC is used
% release unused memory in all mspaces to OS in hb_xclean() when
HB_FM_DLMT_ALLOC is used
% release unused memory in mspace when last thread detach it
% balance used mspaces between threads in hb_xclean() when
HB_FM_DLMT_ALLOC is used