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Atmosphere/libraries/libstratosphere/include/stratosphere/os/os_semaphore.hpp

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/*
* Copyright (c) 2018-2020 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/>.
*/
#pragma once
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#include <stratosphere/os/os_semaphore_types.hpp>
#include <stratosphere/os/os_semaphore_api.hpp>
namespace ams::os {
class Semaphore {
NON_COPYABLE(Semaphore);
NON_MOVEABLE(Semaphore);
private:
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SemaphoreType sema;
public:
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explicit Semaphore(s32 count, s32 max_count) {
InitializeSemaphore(std::addressof(this->sema), count, max_count);
}
~Semaphore() { FinalizeSemaphore(std::addressof(this->sema)); }
void Acquire() {
return os::AcquireSemaphore(std::addressof(this->sema));
}
bool TryAcquire() {
return os::TryAcquireSemaphore(std::addressof(this->sema));
}
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bool TimedAcquire(TimeSpan timeout) {
return os::TimedAcquireSemaphore(std::addressof(this->sema), timeout);
}
void Release() {
return os::ReleaseSemaphore(std::addressof(this->sema));
}
void Release(s32 count) {
return os::ReleaseSemaphore(std::addressof(this->sema), count);
}
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s32 GetCurrentCount() const {
return os::GetCurrentSemaphoreCount(std::addressof(this->sema));
}
operator SemaphoreType &() {
return this->sema;
}
operator const SemaphoreType &() const {
return this->sema;
}
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SemaphoreType *GetBase() {
return std::addressof(this->sema);
}
};
}