Aside from init(1M), no process can guarantee the generation of sequentially allocated sub-process PIDs since the scheduler is at liberty to cut in i.e. suspend the current process, at any time and start some other process(es) - hence you shouldn't be too surprised if you are seeing the allocation of non-sequential PIDs.

A user level that continues to overstate my experience :-))

In reply to Re: Is there any flaw with the way the below daemon forks child processes? by Bloodnok
in thread Is there any flaw with the way the below daemon forks child processes? by piyush

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