137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
/****************************************************************************
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* Copyright (C) 2015 Dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#ifndef CTHREAD_H_
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#define CTHREAD_H_
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#include <coreinit/thread.h>
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#include <malloc.h>
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#include <unistd.h>
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class CThread {
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public:
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typedef void (*Callback)(CThread *thread, void *arg);
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//! constructor
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CThread(int32_t iAttr, int32_t iPriority = 16, int32_t iStackSize = 0x8000, CThread::Callback callback = nullptr, void *callbackArg = nullptr)
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: pThread(nullptr), pThreadStack(nullptr), pCallback(callback), pCallbackArg(callbackArg) {
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//! save attribute assignment
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iAttributes = iAttr;
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//! allocate the thread
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pThread = (OSThread *) memalign(8, sizeof(OSThread));
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//! allocate the stack
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pThreadStack = (uint8_t *) memalign(0x20, iStackSize);
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//! create the thread
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if (pThread && pThreadStack)
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OSCreateThread(pThread, &CThread::threadCallback, 1, (char *) this, pThreadStack + iStackSize, iStackSize, iPriority, iAttributes);
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}
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//! destructor
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virtual ~CThread() {
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shutdownThread();
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}
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static CThread *create(CThread::Callback callback, void *callbackArg, int32_t iAttr = eAttributeNone, int32_t iPriority = 16, int32_t iStackSize = 0x8000) {
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return (new CThread(iAttr, iPriority, iStackSize, callback, callbackArg));
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}
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//! Get thread ID
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virtual void *getThread() const {
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return pThread;
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}
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//! Thread entry function
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virtual void executeThread(void) {
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if (pCallback)
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pCallback(this, pCallbackArg);
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}
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//! Suspend thread
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virtual void suspendThread(void) {
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if (isThreadSuspended())
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return;
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if (pThread)
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OSSuspendThread(pThread);
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}
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//! Resume thread
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virtual void resumeThread(void) {
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if (!isThreadSuspended())
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return;
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if (pThread)
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OSResumeThread(pThread);
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}
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//! Set thread priority
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virtual void setThreadPriority(int32_t prio) {
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if (pThread)
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OSSetThreadPriority(pThread, prio);
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}
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//! Check if thread is suspended
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virtual bool isThreadSuspended(void) const {
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if (pThread)
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return OSIsThreadSuspended(pThread);
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return false;
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}
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//! Check if thread is terminated
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virtual bool isThreadTerminated(void) const {
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if (pThread)
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return OSIsThreadTerminated(pThread);
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return false;
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}
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//! Check if thread is running
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virtual bool isThreadRunning(void) const {
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return !isThreadSuspended() && !isThreadRunning();
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}
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//! Shutdown thread
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virtual void shutdownThread(void) {
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//! wait for thread to finish
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if (pThread && !(iAttributes & eAttributeDetach)) {
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if (isThreadSuspended())
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resumeThread();
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OSJoinThread(pThread, nullptr);
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}
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//! free the thread stack buffer
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if (pThreadStack)
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free(pThreadStack);
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if (pThread)
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free(pThread);
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pThread = nullptr;
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pThreadStack = nullptr;
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}
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//! Thread attributes
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enum eCThreadAttributes {
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eAttributeNone = 0x07,
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eAttributeAffCore0 = 0x01,
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eAttributeAffCore1 = 0x02,
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eAttributeAffCore2 = 0x04,
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eAttributeDetach = 0x08,
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eAttributePinnedAff = 0x10
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};
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private:
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static int32_t threadCallback(int32_t argc, const char **argv) {
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//! After call to start() continue with the internal function
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((CThread *) argv)->executeThread();
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return 0;
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}
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int32_t iAttributes;
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OSThread *pThread;
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uint8_t *pThreadStack;
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Callback pCallback;
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void *pCallbackArg;
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};
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#endif
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