* Copyright 2012, Rene Gollent, rene@gollent.com.
* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#include "Jobs.h"
#include <AutoLocker.h>
#include "Team.h"
#include "TeamMemory.h"
#include "TeamMemoryBlock.h"
RetrieveMemoryBlockJob::RetrieveMemoryBlockJob(Team* team,
TeamMemory* teamMemory, TeamMemoryBlock* memoryBlock)
:
fKey(memoryBlock, JOB_TYPE_GET_MEMORY_BLOCK),
fTeam(team),
fTeamMemory(teamMemory),
fMemoryBlock(memoryBlock)
{
fTeamMemory->AcquireReference();
fMemoryBlock->AcquireReference();
}
RetrieveMemoryBlockJob::~RetrieveMemoryBlockJob()
{
fTeamMemory->ReleaseReference();
fMemoryBlock->ReleaseReference();
}
const JobKey&
RetrieveMemoryBlockJob::Key() const
{
return fKey;
}
status_t
RetrieveMemoryBlockJob::Do()
{
ssize_t result = fTeamMemory->ReadMemory(fMemoryBlock->BaseAddress(),
fMemoryBlock->Data(), fMemoryBlock->Size());
if (result < 0) {
fMemoryBlock->NotifyDataRetrieved(result);
return result;
}
uint32 protection = 0;
uint32 locking = 0;
status_t error = fTeamMemory->GetMemoryProperties(
fMemoryBlock->BaseAddress(), protection, locking);
if (error != B_OK) {
fMemoryBlock->NotifyDataRetrieved(error);
return error;
}
fMemoryBlock->SetWritable((protection & B_WRITE_AREA) != 0);
fMemoryBlock->MarkValid();
return B_OK;
}
