Exemplo n.º 1
0
pte_osResult pte_osInit(void)
{
    pte_osResult result;
    psl1ghtThreadData *pThreadData;

    /* Allocate and initialize TLS support */
    result = pteTlsGlobalInit(PSL1GHT_MAX_TLS);

    if (result == PTE_OS_OK)
    {

        /* Allocate a key that we use to store control information (e.g. cancellation semaphore) per thread */
        result = pteTlsAlloc(&threadDataKey);

        if (result == PTE_OS_OK)
        {

            /* Initialize the structure used to emulate TLS for
             * non-POSIX threads
             */
            globalTls = pteTlsThreadInit();

            /* Also create a "thread data" structure for a single non-POSIX thread. */

            /* Allocate some memory for our per-thread control data.  We use this for:
             * 1. Entry point and parameters for the user thread's main function.
             * 2. Semaphore used for thread cancellation.
             */
            pThreadData = (psl1ghtThreadData *) malloc(sizeof(psl1ghtThreadData));

            if (pThreadData == NULL)
            {
                result = PTE_OS_NO_RESOURCES;
            }
            else
            {
                sys_sem_attr_t attr;
                /* Save a pointer to our per-thread control data as a TLS value */
                pteTlsSetValue(globalTls, threadDataKey, pThreadData);

                /* Create a semaphore used to cancel threads */
                attr.attr_protocol = SYS_SEM_ATTR_PROTOCOL;
                attr.attr_pshared = SYS_SEM_ATTR_PSHARED;
                attr.key = 0;
                attr.flags = 0;
                snprintf(attr.name, sizeof(attr.name), "cnclGlob");
                if (sysSemCreate(&pThreadData->cancelSem, &attr, 0, 255) != 0)
                {
                    free (pThreadData);
                    result = PTE_OS_NO_RESOURCES;
                }

                result = PTE_OS_OK;
            }
        }
    }

    return result;
}
Exemplo n.º 2
0
/* Create a counting semaphore */
SDL_sem *
SDL_CreateSemaphore(Uint32 initial_value)
{
	SDL_sem *sem;
	sys_sem_attr_t attr;

	SDL_zero( attr);
	attr.attr_protocol = SYS_SEM_ATTR_PROTOCOL;
	attr.attr_pshared = SYS_SEM_ATTR_PSHARED;

	sem = (SDL_sem *) SDL_malloc(sizeof(*sem));
	if (sem) {
		sysSemCreate( &sem->id, &attr, initial_value, 32 * 1024);
	} else {
		SDL_OutOfMemory();
	}
	return (sem);
}
Exemplo n.º 3
0
pte_osResult pte_osSemaphoreCreate(int initialValue, pte_osSemaphoreHandle *pHandle)
{
    static int semCtr = 0;
    sys_sem_attr_t attr;

    if (semCtr++ > MAX_PSL1GHT_UID)
    {
        semCtr = 0;
    }

    attr.attr_protocol = SYS_SEM_ATTR_PROTOCOL;
    attr.attr_pshared = SYS_SEM_ATTR_PSHARED;
    attr.key = 0;
    attr.flags = 0;
    snprintf(attr.name,sizeof(attr.name),"sem%d",semCtr);

    sysSemCreate(pHandle, &attr, initialValue, SEM_VALUE_MAX);

    return PTE_OS_OK;
}
Exemplo n.º 4
0
/* init event handler */
void
eventInitialization ( eventData *edata )
{
  dbgprintf ( "initializing" ) ;

  /* initialize variables */
  edata->menu = 1 ;
  edata->exitapp = 1 ;
  edata->xmbopen = 0 ;

  /* initialize semaphore attributes */
  edata->sem_attr.key            = 0x03 ;
  edata->sem_attr.attr_protocol  = SYS_SEM_ATTR_PROTOCOL ;
  edata->sem_attr.attr_pshared   = SYS_SEM_ATTR_PSHARED ;

  /* initialize mutex attributes */
  edata->mutex_attr.key              = 0x03 ;
  edata->mutex_attr.attr_protocol    = SYS_MUTEX_PROTOCOL_FIFO ;
  edata->mutex_attr.attr_pshared     = SYS_MUTEX_ATTR_PSHARED ;
  edata->mutex_attr.attr_recursive   = SYS_MUTEX_ATTR_RECURSIVE ;
  edata->mutex_attr.attr_adaptive    = SYS_MUTEX_ATTR_ADAPTIVE ;

  /* initialize condition attributes */
  edata->cond_attr.key               = 0x03 ;
  edata->cond_attr.attr_pshared      = SYS_COND_ATTR_PSHARED ;

  /* create semaphore */
  sysSemCreate ( &edata->sem, &edata->sem_attr, 1, SEM_CONSUMERS ) ;

  /* create mutex */
  sysMutexCreate ( &edata->mutex, &edata->mutex_attr ) ;

  /* create cond */
  sysCondCreate ( &edata->cond, edata->mutex, &edata->cond_attr ) ;

  /* register eventHandler */
  sysUtilRegisterCallback ( SYSUTIL_EVENT_SLOT0, eventHandler, edata ) ;

  dbgprintf ( "initialized" ) ;
}
Exemplo n.º 5
0
/* initialize controller */
void
padInitialization (padBtnData *pdata )
{
  dbgprintf ( "initializing" ) ;

  /* initialize state variables */
  pdata->btn = 0 ;
  pdata->now = 0 ;
  pdata->last = 0 ;

  /* initialize semaphore attributes */
  pdata->sem_attr.key            = PAD_KEY ;
  pdata->sem_attr.attr_protocol  = SYS_SEM_ATTR_PROTOCOL ;
  pdata->sem_attr.attr_pshared   = SYS_SEM_ATTR_PSHARED ;

  /* initialize mutex attributes */
  pdata->mutex_attr.key              = PAD_KEY ;
  pdata->mutex_attr.attr_protocol    = SYS_MUTEX_PROTOCOL_FIFO ;
  pdata->mutex_attr.attr_pshared     = SYS_MUTEX_ATTR_PSHARED ;
  pdata->mutex_attr.attr_recursive   = SYS_MUTEX_ATTR_RECURSIVE ;
  pdata->mutex_attr.attr_adaptive    = SYS_MUTEX_ATTR_ADAPTIVE ;

  /* initialize condition attributes */
  pdata->cond_attr.key               = PAD_KEY ;
  pdata->cond_attr.attr_pshared      = SYS_COND_ATTR_PSHARED ;

  /* create semaphore */
  sysSemCreate ( &pdata->sem, &pdata->sem_attr, 1, SEM_CONSUMERS ) ;

  /* create mutex */
  sysMutexCreate ( &pdata->mutex, &pdata->mutex_attr ) ;

  /* create cond */
  sysCondCreate ( &pdata->cond, pdata->mutex, &pdata->cond_attr ) ;

  ioPadInit ( 7 ) ;

  dbgprintf ( "initialized" ) ;
}
Exemplo n.º 6
0
pte_osResult pte_osThreadCreate(pte_osThreadEntryPoint entryPoint,
                                int stackSize,
                                int initialPriority,
                                void *argv,
                                pte_osThreadHandle* ppte_osThreadHandle)
{
    char threadName[28];
    static int threadNum = 1;
    int psl1ghtAttr;
    void *pTls;
    sys_ppu_thread_t threadId;
    pte_osResult result;
    psl1ghtThreadData *pThreadData;
    sys_sem_attr_t sem_attr;
    s32 ret;

    if (threadNum++ > MAX_PSL1GHT_UID)
    {
        threadNum = 0;
    }

    /* Make sure that the stack we're going to allocate is big enough */
    if (stackSize < DEFAULT_STACK_SIZE_BYTES)
    {
        stackSize = DEFAULT_STACK_SIZE_BYTES;
    }

    /* Allocate TLS structure for this thread. */
    pTls = pteTlsThreadInit();
    if (pTls == NULL)
    {
        PSL1GHT_DEBUG("pteTlsThreadInit: PTE_OS_NO_RESOURCES\n");
        result = PTE_OS_NO_RESOURCES;
        goto FAIL0;
    }

    /* Allocate some memory for our per-thread control data.  We use this for:
     * 1. Entry point and parameters for the user thread's main function.
     * 2. Semaphore used for thread cancellation.
     */
    pThreadData = (psl1ghtThreadData *) malloc(sizeof(psl1ghtThreadData));

    if (pThreadData == NULL)
    {
        pteTlsThreadDestroy(pTls);

        PSL1GHT_DEBUG("malloc(psl1ghtThreadData): PTE_OS_NO_RESOURCES\n");
        result = PTE_OS_NO_RESOURCES;
        goto FAIL0;
    }

    /* Save a pointer to our per-thread control data as a TLS value */
    pteTlsSetValue(pTls, threadDataKey, pThreadData);

    pThreadData->entryPoint = entryPoint;
    pThreadData->argv = argv;

    /* Create a semaphore used to cancel threads */
    sem_attr.attr_protocol = SYS_SEM_ATTR_PROTOCOL;
    sem_attr.attr_pshared = SYS_SEM_ATTR_PSHARED;
    sem_attr.key = 0;
    sem_attr.flags = 0;
    snprintf(sem_attr.name, sizeof(sem_attr.name), "cncl%04d", threadNum);
    ret = sysSemCreate(&pThreadData->cancelSem, &sem_attr, 0, 255);

    if (ret == 0)
    {
        /* In order to emulate TLS functionality, we append the address of the TLS structure that we
         * allocated above to the thread's name.  To set or get TLS values for this thread, the user
         * needs to get the name of the thread from the OS and then parse the name to extract
         * a pointer to the TLS structure.
         */
        snprintf(threadName, sizeof(threadName), "pthread%04d__%x", threadNum, (unsigned int) ((u64)pTls));

        // FIXME: joinable or not ?
        psl1ghtAttr = 0;
        pThreadData->priority = initialPriority;
        pThreadData->ended = 0;

        //  printf("%s %p %d %d %d\n",threadName, psl1ghtStubThreadEntry, initialPriority, stackSize, psl1ghtAttr);
        ret = sysThreadCreate(&threadId, psl1ghtStubThreadEntry, pThreadData,
                              OS_MAX_PRIO, stackSize, psl1ghtAttr, threadName);
    }

    if (ret == 0x80010004)
    {
        free(pThreadData);
        pteTlsThreadDestroy(pTls);

        PSL1GHT_DEBUG("sceKernelCreateThread: PTE_OS_NO_RESOURCES\n");
        result =  PTE_OS_NO_RESOURCES;
    }
    else if (ret != 0)
    {
        free(pThreadData);
        pteTlsThreadDestroy(pTls);

        PSL1GHT_DEBUG("sceKernelCreateThread: PTE_OS_GENERAL_FAILURE\n");
        result = PTE_OS_GENERAL_FAILURE;
    }
    else
    {
        *ppte_osThreadHandle = threadId;
        result = PTE_OS_OK;
    }

FAIL0:
    return result;
}