RTI Core Libraries and Utilities

Are all RTI Connext API calls thread-safe?

Not all API calls are safe. In general, the get / set_default_XXX_qos() and lookup_xxx() APIs are not thread-safe. The online HTML documentation for various API calls commonly include one or more MT Safety sections which describe any concerns about the use of individual calls in multi-threaded ...
dstringer
Thu, 01/17/2013 - 11:50
5335 reads — 0 comments

Can I use Java 1.6 with rtiddsgen?

Note: Applies to RTI Connext 4.4c and higher. By default, rtiddsgen uses JRE 1.4, which is distributed with RTI Connext in $NDDSHOME/jre . If you can not use JRE 1.4 on your computer, the following instructions can help you run rtiddsgen with a Java 5 or Java 6 JRE. To use rtiddsgen with Java 1.6, ...
yusheng
Thu, 01/17/2013 - 11:48
3741 reads — 0 comments

How can I improve my throughput performance on Linux?

One potential cause of poor performance on a Linux system is the amount of buffer space the RHEL 4u4 kernel uses to reassemble IP fragments. The parameters in /proc/sys/net/ipv4 control various aspects of the network, including a parameter that controlls the reassembly buffer size. ...
gianpiero
Thu, 01/17/2013 - 11:47
20088 reads — 0 comments

Does RTI Connext support the IDL data-types "interface" and "valuetype"?

Note: Applies to RTI Connext 4.x and above RTI Connext does not support the IDL interface data type because it corresponds to remote procedure calls, a concept that does not apply to the data-centric, publish-subscribe (DCPS) communications model of the DDS standard. The valuetype data type is ...
dstockdill
Thu, 01/17/2013 - 11:46
6138 reads — 0 comments

Why does set_qos() crash in /lib/libc.so?

Note: Applies to RTI Connext 4.x and above and Red Hat Enterprise Linux 5. If DDS_DomainParticipantFactory_set_qos() crashes, the stack trace begins with free () from /lib/libc.so.6 and if you're making any calls to mlockall() , explicitly or implicitly, you may be running into a known bug in glibc ...
erin
Thu, 01/17/2013 - 11:44
3951 reads — 0 comments

What does 'NDDS_Transport_UDPv4_receive_rEA:OS recvfrom() failure, error 0X2738' mean?

Errno 0x2738 or 10040 is WSAEMSGSIZE . It indicates that a datagram failed to be sent or received because an OS or hardware buffer was smaller than the datagram. Check for consistency between the publishing and subscribing Participant’s Transport property: transport.parent.message_size_max . ...
ken
Thu, 01/17/2013 - 11:44
6652 reads — 0 comments

Why do I get "fatal error C1083: Cannot open compiler generated file" when using Visual Studio?

Note: Applies to RTI Connext 4.x and above. When using Visual Studio to build the project files generated by rtiddsgen, you may see the following error message: [source file name]:fatal error C1083: Cannot open compiler generated file:[object file name] is generated. The error is due to the fact ...
vishal
Thu, 01/17/2013 - 11:43
44292 reads — 0 comments

How to manage memory with loan_continguous

The following methods (provided in the FooSeq class) will help you manage RTI Connext sequences: FooSeq::loan_contiguous() for C++ FooSeq::loan_discontiguous() for C++ FooSeq_loan_contiguous() for C FooSeq_loan_discontiguous() for C FooSeq::unloan() for C++ FooSeq_unloan() for C Sequence.loan() for ...
tron
Thu, 01/17/2013 - 11:41
6194 reads — 0 comments

Do I need to worry about Daylight Saving Time or time zones when using RTI Connext?

RTI Connext uses clocks to measure time and generate timestamps. The middleware uses two clocks: an internal clock and an external clock. The internal clock measures time and handles all timing in the middleware. The external clock is used solely to generate timestamps (such as the source timestamp ...
waffletchnlgy
Thu, 01/17/2013 - 11:38
5561 reads — 0 comments

Are unbounded sequences really unbounded?

Note: Applies to RTI Connext 4.x through 5.1. ETA: As of 5.2, RTI Connext supports truly unbounded sequences and strings in the C, C++, and .NET APIs. Unbounded sequences are actually not unbounded at all. They are bounded sequences whose bound is initialized by RTI Connext instead of by the user. ...
yusheng
Thu, 01/17/2013 - 11:37
8684 reads — 0 comments

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