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Fix PhysicsServer connection issue, in cases where shared memory was not properly shut down.

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This commit is contained in:
erwin coumans
2015-10-29 11:18:26 -07:00
parent 650189d50b
commit 9442791cf1
1 changed files with 30 additions and 21 deletions
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51
examples/SharedMemory/PhysicsServer.cpp
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@@ -460,34 +460,43 @@ bool PhysicsServerSharedMemory::connectSharedMemory( struct GUIHelperInterface*
}
m_data->m_testBlock1 = (SharedMemoryBlock*)m_data->m_sharedMemory->allocateSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE,allowCreation);
if (m_data->m_testBlock1)
{
int magicId =m_data->m_testBlock1->m_magicId;
if (m_data->m_verboseOutput)
int counter = 0;
do
{
m_data->m_testBlock1 = (SharedMemoryBlock*)m_data->m_sharedMemory->allocateSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE,allowCreation);
if (m_data->m_testBlock1)
{
b3Printf("magicId = %d\n", magicId);
}
if (m_data->m_testBlock1->m_magicId !=SHARED_MEMORY_MAGIC_NUMBER)
{
InitSharedMemoryBlock(m_data->m_testBlock1);
int magicId =m_data->m_testBlock1->m_magicId;
if (m_data->m_verboseOutput)
{
b3Printf("Created and initialized shared memory block\n");
b3Printf("magicId = %d\n", magicId);
}
m_data->m_isConnected = true;
} else
if (m_data->m_testBlock1->m_magicId !=SHARED_MEMORY_MAGIC_NUMBER)
{
InitSharedMemoryBlock(m_data->m_testBlock1);
if (m_data->m_verboseOutput)
{
b3Printf("Created and initialized shared memory block\n");
}
m_data->m_isConnected = true;
} else
{
m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE);
m_data->m_testBlock1 = 0;
m_data->m_isConnected = false;
}
} else
{
b3Error("Server cannot connect to existing shared memory, disconnecting shared memory.\n");
m_data->m_sharedMemory->releaseSharedMemory(m_data->m_sharedMemoryKey, SHARED_MEMORY_SIZE);
m_data->m_testBlock1 = 0;
m_data->m_isConnected = false;
b3Error("Cannot connect to shared memory");
m_data->m_isConnected = false;
}
} else
} while (counter++ < 10 && !m_data->m_isConnected);
if (!m_data->m_isConnected)
{
b3Error("Cannot connect to shared memory");
m_data->m_isConnected = false;
b3Error("Server cannot connect to shared memory.\n");
}
return m_data->m_isConnected;
}