Async commands can preempt each other. If you could call sync commands from async context then sync commands could preempt each other.
Ali On Sun, Jun 6, 2010 at 8:25 PM, Xiaohui Liu <[email protected]> wrote: > Actually, the question raised after I read the pages you pointed out. I'm > having difficulty from the statement "As a result, an async command or > event....". Maybe I'm missing something critical, would you please give me > some hint why "As a result" holds because I really do not see a causal > relationship here? Thanks for your patience. > > On Sat, Jun 5, 2010 at 3:23 PM, Ali Baharev <[email protected]> wrote: >> >> Hi, >> >> Just re-read pages 192-193, The async keyword, in the TinyOS >> Programming book, the answer is there. >> >> Ali >> >> On Sat, Jun 5, 2010 at 8:24 PM, Xiaohui Liu <[email protected]> wrote: >> > Hi, >> > >> > why sync command or event cannot be called from async command or event? >> > Vice >> > versa, can async command or event be called from sync command or event? >> > >> > -- >> > -Xiaohui Liu >> > >> > _______________________________________________ >> > Tinyos-help mailing list >> > [email protected] >> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >> > > > > > -- > -Xiaohui Liu > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
