2019-08-04 17:38:32 +01:00
|
|
|
/*
|
|
|
|
* Copyright (c) 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/>.
|
|
|
|
*/
|
|
|
|
|
2020-01-21 00:05:01 +00:00
|
|
|
#include "spinlock.h"
|
|
|
|
#include "core_ctx.h"
|
2020-01-14 00:58:31 +00:00
|
|
|
|
2020-01-21 00:05:01 +00:00
|
|
|
void recursiveSpinlockLock(RecursiveSpinlock *lock)
|
|
|
|
{
|
|
|
|
if (lock->tag != currentCoreCtx->coreId + 1) {
|
|
|
|
spinlockLock(&lock->lock);
|
|
|
|
lock->tag = currentCoreCtx->coreId + 1;
|
|
|
|
lock->count = 1;
|
|
|
|
} else {
|
|
|
|
++lock->count;
|
|
|
|
}
|
|
|
|
}
|
2019-08-04 17:38:32 +01:00
|
|
|
|
2020-01-21 00:05:01 +00:00
|
|
|
void recursiveSpinlockUnlock(RecursiveSpinlock *lock)
|
|
|
|
{
|
|
|
|
if (--lock->count == 0) {
|
|
|
|
lock->tag = 0;
|
|
|
|
spinlockUnlock(&lock->lock);
|
|
|
|
}
|
|
|
|
}
|