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Re: [RSPlib-Discusssion] fail-over problems


Chronological Thread 
  • From: Thomas Dreibholz <dreibh AT irmgard.exp-math.uni-essen.de>
  • To: "Marjan Bozinovski" <marjanb AT cpk.auc.dk>, "Thomas Dreibholz" <dreibh AT exp-math.uni-essen.de>, <rsplib-discussion AT sctp.de>
  • Subject: Re: [RSPlib-Discusssion] fail-over problems
  • Date: Sat Oct 5 16:52:01 2002
  • List-id: RSPlib Discussions <rsplib-discussion.sctp.de>
  • Organization: University of Essen, Institute for Experimental Mathematics
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On Freitag, 4. Oktober 2002 18:04, Marjan Bozinovski wrote:
> > Use this->getName() to get the condition's name, not this->getName (this
>
> will
>
> > return the pointer to the getName() function).
>
> After the final change, this is the debug output:
>
> --------------------
> adding parent 0xbfbfb28c (ext_select::GlobalCondition) to 0xbfbfb3a8
> (ext_select::ReadCondition)adding parent 0xbfbfb28c
> (ext_select::GlobalCondition) to 0xbfbfb4c4
> (ext_select::WriteCondition)adding parent 0xbfbfb28c
> (ext_select::GlobalCondition) to 0xbfbfb5e0
> (ext_select::ExceptCondition)select: adding FD 0 (0) with mask $0003
> select: registering user callback for socket 0...
> adding parent 0xbfbfb3a8 (ext_select::ReadCondition) to 0x80ef208
> (Condition)Sending Break via break pipe...
> F0008: User Callback, mask=$1
> Break via break pipe received
> Break Pipe: 1 calls
> select: adding FD 1020 for read
> Condition for FD 1020, type 0 is 0x8491480
> adding parent 0xbfbfb3a8 (ext_select::ReadCondition) to 0x8491480
> (SCTPAssociation::ReadUpdateCondition)select: adding FD 1020 for except
> Condition for FD 1020, type 2 is 0x84916b8
> adding parent 0xbfbfb5e0 (ext_select::ExceptCondition) to 0x84916b8
> (SCTPAssociation::ExceptUpdateCondition)select: adding FD 1021 for read
> Condition for FD 1021, type 0 is 0x8479480
> adding parent 0xbfbfb3a8 (ext_select::ReadCondition) to 0x8479480
> (SCTPAssociation::ReadUpdateCondition)select: waiting...
> A0003 S00: Data Arrive Notification, Length = 393
> broadcast: SCTPAssociation::InQueue
> broadcast: SCTPAssociation::ReadUpdateCondition
> No parents!

The parent condition seems to be added successfully, but it is not found by
Condition::broadcast(). Either, the condition is wrong (some FD numbering
problem?) or the ParentSet structure is corrupted.

Go to condition.cc, Condition::broadcast() and add the following;
Fired = true;
// ------ Add this
printf("broadcast for %p (%s)\n",(void*)this,this->getName());
// ------
pthread_cond_broadcast(&ConditionVariable);

Have you ensured that all the sources are compiled with -D_REENTRANT and
- -pthread option?


Best regards
- --
=======================================================================
Dipl.-Inform. Thomas Dreibholz
Molbachweg 7
D-51674 Wiehl-Forst Mail:
dreibh AT exp-math.uni-essen.de
Germany WWW: http://www.exp-math.uni-essen.de/~dreibh
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