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

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/*
* 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/>.
*/
#pragma once
#include "os_common_types.hpp"
#include "os_memory_common.hpp"
namespace ams::os {
class Thread {
NON_COPYABLE(Thread);
NON_MOVEABLE(Thread);
private:
::Thread thr;
public:
constexpr Thread() : thr{} { /* ... */ }
Result Initialize(ThreadFunc entry, void *arg, void *stack_mem, size_t stack_sz, int prio, int cpuid = -2) {
return threadCreate(&this->thr, entry, arg, stack_mem, stack_sz, prio, cpuid);
}
Result Initialize(ThreadFunc entry, void *arg, size_t stack_sz, int prio, int cpuid = -2) {
return threadCreate(&this->thr, entry, arg, nullptr, stack_sz, prio, cpuid);
}
Handle GetHandle() const {
return this->thr.handle;
}
Result Start() {
return threadStart(&this->thr);
}
Result Wait() {
return threadWaitForExit(&this->thr);
}
Result Join() {
R_TRY(threadWaitForExit(&this->thr));
R_TRY(threadClose(&this->thr));
return ResultSuccess();
}
Result CancelSynchronization() {
return svcCancelSynchronization(this->thr.handle);
}
};
template<size_t StackSize>
class StaticThread {
NON_COPYABLE(StaticThread);
NON_MOVEABLE(StaticThread);
static_assert(util::IsAligned(StackSize, os::MemoryPageSize), "StaticThread must have aligned resource size");
private:
alignas(os::MemoryPageSize) u8 stack_mem[StackSize];
::Thread thr;
public:
constexpr StaticThread() : stack_mem{}, thr{} { /* ... */ }
constexpr StaticThread(ThreadFunc entry, void *arg, int prio, int cpuid = -2) : StaticThread() {
R_ASSERT(this->Initialize(entry, arg, prio, cpuid));
}
Result Initialize(ThreadFunc entry, void *arg, int prio, int cpuid = -2) {
return threadCreate(&this->thr, entry, arg, this->stack_mem, StackSize, prio, cpuid);
}
Handle GetHandle() const {
return this->thr.handle;
}
Result Start() {
return threadStart(&this->thr);
}
Result Wait() {
return threadWaitForExit(&this->thr);
}
Result Join() {
R_TRY(threadWaitForExit(&this->thr));
R_TRY(threadClose(&this->thr));
return ResultSuccess();
}
Result CancelSynchronization() {
return svcCancelSynchronization(this->thr.handle);
}
};
NX_INLINE u32 GetCurrentThreadPriority() {
u32 prio;
R_ASSERT(svcGetThreadPriority(&prio, CUR_THREAD_HANDLE));
return prio;
}
}