Cell/B.E. SDK 3.0: Часть 2. Создание проекта PPU

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <libspe2.h>
#include <pthread.h>

extern spe_program_handle_t SPU;

#define SPU_THREADS	8

void *ppu_pthread_function(void *arg) {
spe_context_ptr_t ctx;
unsigned int entry = SPE_DEFAULT_ENTRY;

ctx = *((spe_context_ptr_t *)arg);
if (spe_context_run(ctx, &entry, 0, NULL, NULL, NULL) < 0) {
perror ("Failed running context");
exit (1);
}
pthread_exit(NULL);
}

int main()
{
int i;
spe_context_ptr_t ctxs[SPU_THREADS];
pthread_t threads[SPU_THREADS];

/* Create several SPE-threads to execute 'SPU'. */
for(i=0; i<SPU_THREADS; i++) {
/* Create context */
if ((ctxs[i] = spe_context_create (0, NULL)) == NULL) {
perror ("Failed creating context");
exit (1);
}
/* Load program into context */
if (spe_program_load (ctxs[i], &SPU)) {
perror ("Failed loading program");
exit (1);
}
/* Create thread for each SPE context */
if (pthread_create (&threads[i], NULL,
&ppu_pthread_function, &ctxs[i]))	{
perror ("Failed creating thread");
exit (1);
}
}

/* Wait for SPU-thread to complete execution.	*/
for (i=0; i<SPU_THREADS; i++) {
if (pthread_join (threads[i], NULL)) {
perror("Failed pthread_join");
exit (1);
}

/* Destroy context */
if (spe_context_destroy (ctxs[i]) != 0) {
perror("Failed destroying context");
exit (1);
}
}

printf("\nThe program has successfully executed.\n");

return (0);
}