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fix a couple of rare failures due to race conditions testing or

Browse source 
valgrind flushed out.
This commit is contained in:
Andy2 2011-07-02 13:28:24 -07:00
parent 3db7fccb53
commit 175aace629
1 changed files with 11 additions and 4 deletions
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15
xwords4/relay/crefmgr.cpp
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@ -373,7 +373,6 @@ CRefMgr::getMakeCookieRef( const char* const connName, bool* isDead )
}
break;
}
assert( cinfo->GetRef() );
return cinfo;
}
@ -405,7 +404,15 @@ CRefMgr::PrintSocketInfo( int socket, string& out )
CidInfo*
CRefMgr::getCookieRef( CookieID cid )
{
return m_cidlock->Claim( cid );
CidInfo* cinfo = NULL;
for ( ; ; ) {
cinfo = m_cidlock->Claim( cid );
if ( NULL != cinfo->GetRef() ) {
break;
}
m_cidlock->Relinquish( cinfo, true );
}
return cinfo;
} /* getCookieRef */
CidInfo*
@ -627,7 +634,7 @@ SafeCref::SafeCref( const char* connName, const char* cookie, HostID hid,
}
}
/* ConnName case -- must exist */
/* ConnName case -- must exist (unless DB record's been removed */
SafeCref::SafeCref( const char* const connName )
: m_cinfo( NULL )
, m_mgr( CRefMgr::Get() )
@ -635,7 +642,7 @@ SafeCref::SafeCref( const char* const connName )
{
bool isDead = false;
CidInfo* cinfo = m_mgr->getMakeCookieRef( connName, &isDead );
if ( cinfo != NULL ) {
if ( NULL != cinfo && NULL != cinfo->GetRef() ) {
assert( cinfo->GetCid() == cinfo->GetRef()->GetCid() );
m_locked = cinfo->GetRef()->Lock();
m_cinfo = cinfo;