Re: What is __thread tls?
:
:On Mon, 14 Mar 2005, Matthew Dillon wrote:
:[cut]
:> This feature could be used by, well, just about every library. For example,
:> it would allow us to clean up how 'errno' works in a threaded environment.
:> It would allow standard libc calls such as ctime() and localtime() work
:> properly in a threaded environment, and it would greatly simplify the job
:> of writing threaded library code.
:
:I was under the impression that each pthread has its own errno??? Perhaps
:I am not understanding the context. I'm writing my first threaded
:application so I had best get this straight sooner rather than later.
:
:-Zera
yup, you are right... see if you can figure out how errno is defined
for a threaded program in the current environment. Hint: it isn't a
simple global declaration.
-Matt
Matthew Dillon
<dillon@backplane.com>
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