Hi, Alos in gdb/lin-lwp.c, does "multi-threads" for GNU/Linux mean multile LWPs (lightweight process ids), one PID (process id)? I don't need to handle the TIDs (thread ids), do I? -- Best Regards, Zheng Jian-Ming a.k.a. zjm e-mail: zjm@cis.nctu.edu.tw