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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-7926) [c++ broker] Windows build error "cannot convert from 'int' to 'qpid::sys::PODMutex"
Date Mon, 09 Apr 2018 21:13:00 GMT

    [ https://issues.apache.org/jira/browse/QPID-7926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16431298#comment-16431298
] 

ASF GitHub Bot commented on QPID-7926:
--------------------------------------

Github user alanconway commented on the issue:

    https://github.com/apache/qpid-cpp/pull/13
  
    This patch cleas up a bit rather than working around the problem like pull #11 (which
would also work.)


> [c++ broker] Windows build error "cannot convert from 'int' to 'qpid::sys::PODMutex"
> ------------------------------------------------------------------------------------
>
>                 Key: QPID-7926
>                 URL: https://issues.apache.org/jira/browse/QPID-7926
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: qpid-cpp-1.36.0
>         Environment: Windows Server 2012 R2, Visual Studio 2012, x64 build
> Today's master branch
>            Reporter: Chuck Rolke
>            Priority: Major
>
> {noformat}
> 1>------ Build started: Project: qpidcommon, Configuration: Debug x64 ------
> 1>  Logger.cpp
> 1>D:\Users\crolke\git\qpid-cpp\src\qpid\log\Logger.cpp(48): error C2440: 'initializing'
: cannot convert from 'int' to 'qpid::sys::PODMutex'
> 1>          No constructor could take the source type, or constructor overload resolution
was ambiguous
> {noformat}
> The issue is with the definition of QPID_MUTEX_INITIALIZER.
> In Linux it is defined as PTHREAD_MUTEX_INITIALIZER which is a complex structure initializer.
> In Windows it is a naked 0.
> In a stand-alone windows program
> {noformat}
> std::is_pod<PODMutex>::value
> {noformat}
> returns false. In Linux the same statement in qpidd broker returns true.



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