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194 | /* GATE PROJECT LICENSE:
+----------------------------------------------------------------------------+
| Copyright(c) 2018-2025, Stefan Meislinger <sm@opengate.at> |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met:|
| |
| 1. Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"|
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| THE POSSIBILITY OF SUCH DAMAGE. |
+----------------------------------------------------------------------------+
*/
#include "gate/coroutines.hpp"
#include "gate/exceptions.hpp"
namespace gate
{
bool_t Coroutine::supported()
{
return gate_coroutine_supported();
}
struct GATE_API_LOCAL CoroutineDispatcher : private NonCopyable
{
gate_coroutine_function_t func;
void* param;
IRunnable* runnable;
Ptr<IRunnable> runnableManager;
CoroutineDispatcher(gate_coroutine_function_t f, void* p)
: func(f), param(p), runnable(NULL)
{
}
CoroutineDispatcher(IRunnable* r)<--- Struct 'CoroutineDispatcher' has a constructor with 1 argument that is not explicit. [+]Struct 'CoroutineDispatcher' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
: func(NULL), param(NULL), runnable(r), runnableManager(r)
{
}
CoroutineDispatcher(IRunnable& r)<--- Struct 'CoroutineDispatcher' has a constructor with 1 argument that is not explicit. [+]Struct 'CoroutineDispatcher' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
: func(NULL), param(NULL), runnable(&r)
{
}
void run()
{
if (this->func)
{
result_t result = this->func(this->param);
GATEXX_CHECK_EXCEPTION(result);
}
else if (this->runnable)
{
this->runnable->run();
}
}
static gate_result_t dispatcher(void* param)
{
Ptr<CoroutineDispatcher> disp(static_cast<CoroutineDispatcher*>(param));
try
{
disp->run();
return GATE_RESULT_OK;
}
catch (Throwable const& except)
{
return except.getResult();
}
catch (...)
{
return GATE_RESULT_UNKNOWNEXCEPTION;
}
}
};
void Coroutine::run(gate_coroutine_function_t func, void* param)
{
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(func, param));
result_t ret = gate_coroutine_run(&CoroutineDispatcher::dispatcher, ptr.get());
if (GATE_SUCCEEDED(ret))
{
ptr.release();
}
GATEXX_CHECK_ERROR(ret);
}
void Coroutine::run(IRunnable& code)
{
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(code));
result_t ret = gate_coroutine_run(&CoroutineDispatcher::dispatcher, ptr.get());
if (GATE_SUCCEEDED(ret))
{
ptr.release();
}
GATEXX_CHECK_ERROR(ret);
}
void Coroutine::run(Ptr<IRunnable>& codeptr)
{
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(codeptr.get()));
codeptr.release();
result_t ret = gate_coroutine_run(&CoroutineDispatcher::dispatcher, ptr.get());
if (GATE_SUCCEEDED(ret))
{
ptr.release();
}
GATEXX_CHECK_ERROR(ret);
}
bool_t Coroutine::enabled()
{
return gate_coroutine_enabled();
}
Coroutine::id_t Coroutine::getCurrent()
{
id_t id = 0;
result_t result = gate_coroutine_get_current(&id);
GATEXX_CHECK_ERROR(result);
return id;
}
void Coroutine::yield()
{
result_t result = gate_coroutine_yield();
GATEXX_CHECK_ERROR(result);
}
Coroutine::id_t Coroutine::create(gate_coroutine_function_t func, void* param)
{
id_t ret = 0;
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(func, param));
result_t result = gate_coroutine_create(&CoroutineDispatcher::dispatcher, ptr.get(), &ret);
if (GATE_SUCCEEDED(result))
{
ptr.release();
}
GATEXX_CHECK_ERROR(result);
return ret;
}
Coroutine::id_t Coroutine::create(IRunnable& code)
{
id_t ret = 0;
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(code));
result_t result = gate_coroutine_create(&CoroutineDispatcher::dispatcher, ptr.get(), &ret);
if (GATE_SUCCEEDED(result))
{
ptr.release();
}
GATEXX_CHECK_ERROR(result);
return ret;
}
Coroutine::id_t Coroutine::create(Ptr<IRunnable>& codeptr)
{
id_t ret = 0;
Ptr<CoroutineDispatcher> ptr(new CoroutineDispatcher(codeptr.get()));
codeptr.release();
result_t result = gate_coroutine_create(&CoroutineDispatcher::dispatcher, ptr.get(), &ret);
if (GATE_SUCCEEDED(result))
{
ptr.release();
}
GATEXX_CHECK_ERROR(result);
return ret;
}
void Coroutine::switchTo(id_t context_id)
{
result_t result = gate_coroutine_switch_to(context_id);
GATEXX_CHECK_ERROR(result);
}
result_t Coroutine::await(id_t id)
{
result_t co_result = GATE_RESULT_FAILED;
result_t result = gate_coroutine_await(id, &co_result);
GATEXX_CHECK_ERROR(result);
return co_result;
}
} // end of namespace gate
|