Is there such a thing as an invalid thread id?

From: "Buckaroo_Banzi" <NUKTNEIDMUFK@xxxxxxxxxxxxx>
Date: 19 Jan 2006 11:36:32 -0800

I am creating a threaded application and just wish to return the thread
id to the calling function. I am looking to let the calling function
determine if pthread_create worked by the thread id.

I have a feeling that there is a thread id value that indicates an
invalid thread, such as 0 or -1. Could someone let me know if this is
true and if so what value indicates an invalid thread?

.

Follow-Ups:
- Re: Is there such a thing as an invalid thread id?
  - From: Nathanael Hoyle
- Re: Is there such a thing as an invalid thread id?
  - From: "Nils O. Selåsdal"

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