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LibThreading: Add thread priority controls to Thread

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This exposes the now properly working pthread APIs on the higher level.
This commit is contained in:
kleines Filmröllchen 2022-11-13 10:23:24 +01:00 • committed by Linus Groh
parent e63f3f3c96
commit 7237be763f
2 changed files with 24 additions and 0 deletions
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21
Userland/Libraries/LibThreading/Thread.cpp
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@ -29,6 +29,27 @@ Threading::Thread::~Thread()
}
}
ErrorOr<void> Threading::Thread::set_priority(int priority)
{
// MacOS has an extra __opaque field, so list initialization will not compile on MacOS Lagom.
sched_param scheduling_parameters {};
scheduling_parameters.sched_priority = priority;
int result = pthread_setschedparam(m_tid, 0, &scheduling_parameters);
if (result != 0)
return Error::from_errno(result);
return {};
}
ErrorOr<int> Threading::Thread::get_priority() const
{
sched_param scheduling_parameters {};
int policy;
int result = pthread_getschedparam(m_tid, &policy, &scheduling_parameters);
if (result != 0)
return Error::from_errno(result);
return scheduling_parameters.sched_priority;
}
void Threading::Thread::start()
{
int rc = pthread_create(

3
Userland/Libraries/LibThreading/Thread.h
View file

@ -24,6 +24,9 @@ class Thread final : public Core::Object {
public:
virtual ~Thread();
ErrorOr<void> set_priority(int priority);
ErrorOr<int> get_priority() const;
void start();
void detach();