Trying to join an already exited pthread
youshi10 at u.washington.edu
youshi10 at u.washington.edu
Fri Feb 9 17:43:48 UTC 2007
On Fri, 9 Feb 2007 youshi10 at u.washington.edu 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 ~_~..
-Garrett
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