Atmosphere-libs/libstratosphere/source/os/impl/os_multiple_wait_target_impl.os.windows.cpp

70 lines
2.5 KiB
C++

/*
* Copyright (c) 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 <stratosphere.hpp>
#include "os_multiple_wait_holder_base.hpp"
#include "os_multiple_wait_impl.hpp"
#include "os_timeout_helper.hpp"
namespace ams::os::impl {
Result MultiWaitWindowsImpl::WaitForMultipleObjectsImpl(s32 *out_index, s32 num, NativeHandle arr[], s32 array_size, DWORD wait_ms) {
/* Check that we can add our cancel handle to the wait. */
AMS_ABORT_UNLESS(num + 1 <= array_size);
AMS_UNUSED(array_size);
/* Add our cancel handle. */
arr[num] = m_cancel_event;
/* Wait. */
auto result = ::WaitForMultipleObjects(num + 1, arr, FALSE, wait_ms);
if (result == WAIT_TIMEOUT) {
*out_index = MultiWaitImpl::WaitTimedOut;
} else {
const s32 index = result - WAIT_OBJECT_0;
AMS_ASSERT((0 <= index) && (index <= num));
if (index == num) {
*out_index = MultiWaitImpl::WaitCancelled;
} else {
*out_index = index;
}
}
R_SUCCEED();
}
Result MultiWaitWindowsImpl::TimedWaitAny(s32 *out_index, NativeHandle arr[], s32 array_size, s32 num, TimeSpan ts) {
impl::TimeoutHelper timeout(ts);
do {
s32 idx;
R_TRY(WaitForMultipleObjectsImpl(std::addressof(idx), num, arr, array_size, timeout.GetTimeLeftOnTarget()));
if (idx != MultiWaitImpl::WaitTimedOut) {
*out_index = idx;
R_SUCCEED();
}
} while (!timeout.TimedOut());
*out_index = MultiWaitImpl::WaitTimedOut;
R_SUCCEED();
}
Result MultiWaitWindowsImpl::ReplyAndReceiveImpl(s32 *out_index, s32 num, NativeHandle arr[], s32 array_size, s64 ns, NativeHandle reply_target) {
AMS_UNUSED(out_index, num, arr, array_size, ns, reply_target);
R_ABORT_UNLESS(os::ResultNotImplemented());
}
}