Ok, thank you very much ! I think it will work for me. Thank you and have a nice day !
2008/8/20, Dariush Pietrzak <[EMAIL PROTECTED]>: > > > To be sure, are you actually talking about the "mqueue" from <mqueue.h> ? > > Because this is api I want to use. > > The filesystem is not mandatory but it would be useful for me to keep > track > > of the created message queues. > I'm talking about Message Queues, one of forms of classical IPC, > aparrently I wasn't aware of new real-time message queues recently > introduced. Since this is fairly recent it seems like it's not virtualized > yet ( AFAIK virtuozoo team does such large jobs only on requests from > larger paying customers, for example IPC message queues were needed for DB2 > using customets ), though you should be able to use it from VE's (without > mounting mqueue filesystem). > But since it's not virtualized, mqueues would be visible to all guests and > the host too, like this: > > lenny64:/# /home/eyck/mqueue > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > mq_open(): success. > mq_unlink(): success. > > ... on the host: > venom:/# ls /dev/mqueue/ -l > total 0 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__1 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__2 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__3 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__4 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__5 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__6 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__7 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__8 > -rwxr-x--- 1 root root 80 Aug 20 17:12 mqueue__9 > > (I mounted mqueue on the host only to be able to see the queues, > they seem to be working ok without mqueue fs mounted) > > -- > Key fingerprint = 40D0 9FFB 9939 7320 8294 05E0 BCC7 02C4 75CC 50D9 > Total Existance Failure > _______________________________________________ > Users mailing list > [email protected] > https://openvz.org/mailman/listinfo/users > -- Patrick DAURES 4TC Résidence de Staël 17 rue de Bruxelles 69100 Villeurbanne tél: (+33)607267043
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