/* * pthread_num_processors_np() * * Get the number of CPUs available to the process. */ int pthread_num_processors_np (void) { int count; if (ptw32_getprocessors (&count) != 0) { count = 1; } return (count); }
/* * pthread_num_processors_np() * * Get the number of CPUs available to the process. */ int pthread_num_processors_np (void) { int count; #if defined(_XBOX) count = 6; #else if (ptw32_getprocessors (&count) != 0) { count = 1; } #endif return (count); }
int pthread_spin_init (pthread_spinlock_t * lock, int pshared) { pthread_spinlock_t s; int cpus = 0; int result = 0; if (lock == NULL) { return EINVAL; } if (0 != ptw32_getprocessors (&cpus)) { cpus = 1; } if (cpus > 1) { if (pshared == PTHREAD_PROCESS_SHARED) { /* * Creating spinlock that can be shared between * processes. */ #if _POSIX_THREAD_PROCESS_SHARED >= 0 /* * Not implemented yet. */ #error ERROR [__FILE__, line __LINE__]: Process shared spin locks are not supported yet. #else return ENOSYS; #endif /* _POSIX_THREAD_PROCESS_SHARED */ } } s = (pthread_spinlock_t) calloc (1, sizeof (*s)); if (s == NULL) { return ENOMEM; } if (cpus > 1) { s->u.cpus = cpus; s->interlock = PTW32_SPIN_UNLOCKED; } else { pthread_mutexattr_t ma; result = pthread_mutexattr_init (&ma); if (0 == result) { ma->pshared = pshared; result = pthread_mutex_init (&(s->u.mutex), &ma); if (0 == result) { s->interlock = PTW32_SPIN_USE_MUTEX; } } (void) pthread_mutexattr_destroy (&ma); } if (0 == result) { *lock = s; } else { (void) free (s); *lock = NULL; } return (result); }