Trying to join an already exited pthread

youshi10 at youshi10 at
Fri Feb 9 17:43:48 UTC 2007

On Fri, 9 Feb 2007 youshi10 at wrote:

> On Fri, 9 Feb 2007, Daniel Eischen wrote:
>> On Thu, 8 Feb 2007, Garrett Cooper wrote:
>>> Actually, now that I think about it the calls I made with ps in the 
>>> program are valid for Linux but not for FreeBSD (they're for getting 
>>> thread listings). Hence error code 2.
>>> From intro(2):
>>>     2 ENOENT No such file or directory.  A component of a specified 
>>> pathname did not exist, or
>>> 					  the pathname was an empty
>>> 					  string.
>>> Didn't think that a bad command would return errno=2 though..
>> And hopefully you've realized that your code is totally bogus
>> since pthread_foo() don't set errno.  All the pthread_foo()
>> functions _return_ the error.  If your code is not checking
>> the return values from those functions, it is wrong on every
>> platform, not just FreeBSD.
>> -- 
>> DE
> Well, right. I was just being lazy by checking errno, instead of checking the 
> return value of pthread_*. It wasn't meant to be anything more than a simple 
> set of tests. I thought that errno was set on errors though, but after reading 
> the manpage more carefully it turns out that this is not the case.
> I'll see if I can fix my checks.
> Thanks for bringing this to my attention!
> -Garrett

Damn habit of always typing in freebsd-questions when using webmail ~_~..


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