Yes, pid's are guaranteed to be unique.
Here the problem we focused is the time taken in finding the next
available free pid.
I really don't mean by your task->xxx.
-Rajan
Hubertus Franke <frankeh@watson.ibm.com> writes:
> @@ -153,13 +155,18 @@
> if(last_pid & 0xffff8000)
> last_pid = 300;
> next_safe = PID_MAX;
> + goto repeat;
> }
> - goto repeat;
> + if(unlikely(last_pid == beginpid))
> + goto nomorepids;
> + continue;
It isn't guaranteed that pid is unique.
In the case:
task->pid = 300, task->xxx = 301
pid 301 is free
This get_pid() returns 301.
Regards.
-- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>_______________________________________________ Lse-tech mailing list Lse-tech@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lse-tech
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This archive was generated by hypermail 2b29 : Thu Mar 07 2002 - 21:00:43 EST