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Pass std::string to add/remove task

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By passing strings instead of const char pointers to the task control
functions, we can safely make copies of them knowing that the contents
won't disappear.
This commit is contained in:
Markus Mäkelä
2019-03-26 09:06:32 +02:00
parent f0756cd708
commit 0915487329
2 changed files with 19 additions and 18 deletions
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33
server/core/mainworker.cc
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@ -59,14 +59,14 @@ MainWorker& MainWorker::get()
return *this_unit.pCurrent_main;
}
void MainWorker::add_task(const char* zName, TASKFN func, void* pData, int frequency)
void MainWorker::add_task(const std::string& name, TASKFN func, void* pData, int frequency)
{
execute([=]() {
mxb_assert(m_tasks_by_name.find(zName) == m_tasks_by_name.end());
mxb_assert_message(m_tasks_by_name.find(name) == m_tasks_by_name.end(), name.c_str());
Task task(zName, func, pData, frequency);
Task task(name.c_str(), func, pData, frequency);
auto p = m_tasks_by_name.insert(std::make_pair(std::string(zName), task));
auto p = m_tasks_by_name.insert(std::make_pair(name, task));
Task& inserted_task = (*p.first).second;
inserted_task.id = delayed_call(frequency * 1000,
@ -77,21 +77,22 @@ void MainWorker::add_task(const char* zName, TASKFN func, void* pData, int frequ
EXECUTE_AUTO);
}
void MainWorker::remove_task(const char* zName)
void MainWorker::remove_task(const std::string& name)
{
call([this, zName]() {
auto it = m_tasks_by_name.find(zName);
mxb_assert(it != m_tasks_by_name.end());
if (it != m_tasks_by_name.end())
{
MXB_AT_DEBUG(bool cancelled =) cancel_delayed_call(it->second.id);
mxb_assert(cancelled);
call([this, name]() {
auto it = m_tasks_by_name.find(name);
mxb_assert(it != m_tasks_by_name.end());
m_tasks_by_name.erase(it);
}
},
EXECUTE_AUTO);
if (it != m_tasks_by_name.end())
{
MXB_AT_DEBUG(bool cancelled = ) cancel_delayed_call(it->second.id);
mxb_assert(cancelled);
m_tasks_by_name.erase(it);
}
},
EXECUTE_AUTO);
}
void MainWorker::show_tasks(DCB* pDcb) const