mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-27 14:22:17 +00:00
111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "impl/os_waitable_object_list.hpp"
|
|
|
|
namespace ams::os {
|
|
|
|
Result InterruptEvent::Initialize(u32 interrupt_id, bool autoclear) {
|
|
AMS_ASSERT(!this->is_initialized);
|
|
this->auto_clear = autoclear;
|
|
|
|
const auto type = this->auto_clear ? svc::InterruptType_Edge : svc::InterruptType_Level;
|
|
R_TRY(svcCreateInterruptEvent(this->handle.GetPointer(), interrupt_id, type));
|
|
|
|
this->is_initialized = true;
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void InterruptEvent::Finalize() {
|
|
AMS_ASSERT(this->is_initialized);
|
|
R_ASSERT(svcCloseHandle(this->handle.Move()));
|
|
this->auto_clear = true;
|
|
this->is_initialized = false;
|
|
}
|
|
|
|
InterruptEvent::InterruptEvent(u32 interrupt_id, bool autoclear) {
|
|
this->is_initialized = false;
|
|
R_ASSERT(this->Initialize(interrupt_id, autoclear));
|
|
}
|
|
|
|
void InterruptEvent::Reset() {
|
|
R_ASSERT(svcClearEvent(this->handle.Get()));
|
|
}
|
|
|
|
void InterruptEvent::Wait() {
|
|
AMS_ASSERT(this->is_initialized);
|
|
|
|
while (true) {
|
|
/* Continuously wait, until success. */
|
|
R_TRY_CATCH(svcWaitSynchronizationSingle(this->handle.Get(), U64_MAX)) {
|
|
R_CATCH(svc::ResultCancelled) { continue; }
|
|
} R_END_TRY_CATCH_WITH_ASSERT;
|
|
|
|
/* Clear, if we must. */
|
|
if (this->auto_clear) {
|
|
R_TRY_CATCH(svcResetSignal(this->handle.Get())) {
|
|
/* Some other thread might have caught this before we did. */
|
|
R_CATCH(svc::ResultInvalidState) { continue; }
|
|
} R_END_TRY_CATCH_WITH_ASSERT;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool InterruptEvent::TryWait() {
|
|
AMS_ASSERT(this->is_initialized);
|
|
|
|
if (this->auto_clear) {
|
|
/* Auto-clear. Just try to reset. */
|
|
return R_SUCCEEDED(svcResetSignal(this->handle.Get()));
|
|
} else {
|
|
/* Not auto-clear. */
|
|
while (true) {
|
|
/* Continuously wait, until success or timeout. */
|
|
R_TRY_CATCH(svcWaitSynchronizationSingle(this->handle.Get(), 0)) {
|
|
R_CATCH(svc::ResultTimedOut) { return false; }
|
|
R_CATCH(svc::ResultCancelled) { continue; }
|
|
} R_END_TRY_CATCH_WITH_ASSERT;
|
|
|
|
/* We succeeded, so we're signaled. */
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool InterruptEvent::TimedWait(u64 ns) {
|
|
AMS_ASSERT(this->is_initialized);
|
|
|
|
TimeoutHelper timeout_helper(ns);
|
|
while (true) {
|
|
/* Continuously wait, until success or timeout. */
|
|
R_TRY_CATCH(svcWaitSynchronizationSingle(this->handle.Get(), timeout_helper.NsUntilTimeout())) {
|
|
R_CATCH(svc::ResultTimedOut) { return false; }
|
|
R_CATCH(svc::ResultCancelled) { continue; }
|
|
} R_END_TRY_CATCH_WITH_ASSERT;
|
|
|
|
/* Clear, if we must. */
|
|
if (this->auto_clear) {
|
|
R_TRY_CATCH(svcResetSignal(this->handle.Get())) {
|
|
/* Some other thread might have caught this before we did. */
|
|
R_CATCH(svc::ResultInvalidState) { continue; }
|
|
} R_END_TRY_CATCH_WITH_ASSERT;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|