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PSP: Factored out thread creation routines into PspThreadable class.

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This should aid in further optimizations.

svn-id: r51685
This commit is contained in:
Yotam Barnoy 2010-08-03 12:29:08 +00:00
parent bcd6dd2627
commit 3b4b00cf50
6 changed files with 89 additions and 73 deletions
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45
backends/platform/psp/thread.cpp
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@ -28,7 +28,50 @@
#include "backends/platform/psp/thread.h"
#include "backends/platform/psp/trace.h"
// Class PspThread --------------------------------------------------
// Class PspThreadable --------------------------------------------------
// Inherit this to create C++ threads easily
bool PspThreadable::threadCreateAndStart(const char *threadName, int priority, int stackSize, bool useVfpu /*= false*/) {
DEBUG_ENTER_FUNC();
if (_threadId != -1) {
PSP_ERROR("thread already created!\n");
return false;
}
_threadId = sceKernelCreateThread(threadName, __threadCallback, priority, stackSize, THREAD_ATTR_USER, 0); // add VFPU support
if (_threadId < 0) {
PSP_ERROR("failed to create %s thread. Error code %d\n", threadName, _threadId);
return false;
}
// We want to pass the pointer to this, but we'll have to take address of this so use a little trick
PspThreadable *_this = this;
if (sceKernelStartThread(_threadId, sizeof(uint32 *), &_this) < 0) {
PSP_ERROR("failed to start %s thread id[%d]\n", threadName, _threadId);
return false;
}
PSP_DEBUG_PRINT("Started %s thread with id[%x]\n", threadName, _threadId);
return true;
}
// Callback function to be called by PSP kernel
int PspThreadable::__threadCallback(SceSize, void *__this) {
DEBUG_ENTER_FUNC();
PspThreadable *_this = *(PspThreadable **)__this; // Dereference the copied value which was 'this'
_this->threadFunction(); // call the virtual function
return 0;
}
// PspThread class
// Utilities to access general thread functions
void PspThread::delayMillis(uint32 ms) {
sceKernelDelayThread(ms * 1000);