Re: Problem with sem_get and semaphores

From: Date: Fri, 05 Oct 2001 05:21:44 +0000
Subject: Re: Problem with sem_get and semaphores
References: 1  Groups: php.general 
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It *should* be able to... That's the whole point of the darn things. :-) Is 0x576a the correct key?... Sure PHP isn't treating that as a string or something? -- WARNING richard@zend.com address is an endangered species -- Use ceo@l-i-e.com Wanna help me out? Like Music? Buy a CD: http://l-i-e.com/artists.htm Volunteer a little time: http://chatmusic.com/volunteer.htm ----- Original Message ----- From: Rick Turbeville <rickt@cfw.com> Newsgroups: php.general To: <php-general@lists.php.net> Sent: Thursday, October 04, 2001 2:52 PM Subject: Problem with sem_get and semaphores > Hi, > > I am trying to do a sem_get on a semaphore that has already been created by > a c program. Instead of getting back the semaphore id, I get: > > Warning: semget() failed for key 0x576a: Invalid argument in > /usr/local/apache/htdocs/bioace/testshmop.php on line 5 > > I can see the semaphores by using "ipcs" and they appear to be there with > good permissions, etc. > > If I call sem_get with a new id everything seems to work fine - the problem > is only if I try to interact with a semaphore created by another program. > > Can sem_get not talk to semaphores in the outside world? > > Any help is greatly appreciated. > > Thanks, > > Rick > > >

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