C++ (Cpp) use_cached_thread Examples

Example #1

File: thread_pthread.c Project: mathewv/ruby-oneshot

static int
native_thread_create(rb_thread_t *th)
{
    int err = 0;

    if (use_cached_thread(th)) {
	thread_debug("create (use cached thread): %p\n", (void *)th);
    }
    else {
#ifdef HAVE_PTHREAD_ATTR_INIT
	pthread_attr_t attr;
	pthread_attr_t *const attrp = &attr;
#else
	pthread_attr_t *const attrp = NULL;
#endif
	const size_t stack_size = th->vm->default_params.thread_machine_stack_size;
	const size_t space = space_size(stack_size);

        th->machine.stack_maxsize = stack_size - space;
#ifdef __ia64
        th->machine.stack_maxsize /= 2;
        th->machine.register_stack_maxsize = th->machine.stack_maxsize;
#endif

#ifdef HAVE_PTHREAD_ATTR_INIT
	CHECK_ERR(pthread_attr_init(&attr));

# ifdef PTHREAD_STACK_MIN
	thread_debug("create - stack size: %lu\n", (unsigned long)stack_size);
	CHECK_ERR(pthread_attr_setstacksize(&attr, stack_size));
# endif

# ifdef HAVE_PTHREAD_ATTR_SETINHERITSCHED
	CHECK_ERR(pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
# endif
	CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
#endif
#ifdef get_stack_of
	native_mutex_lock(&th->interrupt_lock);
#endif
	err = pthread_create(&th->thread_id, attrp, thread_start_func_1, th);
#ifdef get_stack_of
	if (!err) {
	    get_stack_of(th->thread_id,
			 &th->machine.stack_start,
			 &th->machine.stack_maxsize);
	}
	native_mutex_unlock(&th->interrupt_lock);
#endif
	thread_debug("create: %p (%d)\n", (void *)th, err);
	/* should be done in the created thread */
	fill_thread_id_str(th);
#ifdef HAVE_PTHREAD_ATTR_INIT
	CHECK_ERR(pthread_attr_destroy(&attr));
#endif
    }
    return err;
}

Example #2

static int
native_thread_create(rb_thread_t *th)
{
    int err = 0;

    if (use_cached_thread(th)) {
        thread_debug("create (use cached thread): %p\n", (void *)th);
    }
    else {
        pthread_attr_t attr;
        size_t stack_size = 512 * 1024; /* 512KB */
        size_t space;

#ifdef PTHREAD_STACK_MIN
        if (stack_size < PTHREAD_STACK_MIN) {
            stack_size = PTHREAD_STACK_MIN * 2;
        }
#endif
        space = stack_size/5;
        if (space > 1024*1024) space = 1024*1024;
        th->machine_stack_maxsize = stack_size - space;
#ifdef __ia64
        th->machine_stack_maxsize /= 2;
        th->machine_register_stack_maxsize = th->machine_stack_maxsize;
#endif

        CHECK_ERR(pthread_attr_init(&attr));

#ifdef PTHREAD_STACK_MIN
        thread_debug("create - stack size: %lu\n", (unsigned long)stack_size);
        CHECK_ERR(pthread_attr_setstacksize(&attr, stack_size));
#endif

#ifdef HAVE_PTHREAD_ATTR_SETINHERITSCHED
        CHECK_ERR(pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
#endif
        CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));

        err = pthread_create(&th->thread_id, &attr, thread_start_func_1, th);
        thread_debug("create: %p (%d)", (void *)th, err);
        CHECK_ERR(pthread_attr_destroy(&attr));

        if (!err) {
            pthread_cond_init(&th->native_thread_data.sleep_cond, 0);
        }
        else {
            st_delete_wrap(th->vm->living_threads, th->self);
            th->status = THREAD_KILLED;
            rb_raise(rb_eThreadError, "can't create Thread (%d)", err);
        }
    }
    return err;
}

Example #3

File: thread_pthread.c Project: corinroyal/serenegreens

static int
native_thread_create(rb_thread_t *th)
{
    int err = 0;

    if (use_cached_thread(th)) {
	thread_debug("create (use cached thread): %p\n", (void *)th);
    }
    else {
	pthread_attr_t attr;
	const size_t stack_size = th->vm->default_params.thread_machine_stack_size;
	const size_t space = space_size(stack_size);

        th->machine_stack_maxsize = stack_size - space;
#ifdef __ia64
        th->machine_stack_maxsize /= 2;
        th->machine_register_stack_maxsize = th->machine_stack_maxsize;
#endif

#ifdef HAVE_PTHREAD_ATTR_INIT
	CHECK_ERR(pthread_attr_init(&attr));

# ifdef PTHREAD_STACK_MIN
	thread_debug("create - stack size: %lu\n", (unsigned long)stack_size);
	CHECK_ERR(pthread_attr_setstacksize(&attr, stack_size));
# endif

# ifdef HAVE_PTHREAD_ATTR_SETINHERITSCHED
	CHECK_ERR(pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
# endif
	CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));

	err = pthread_create(&th->thread_id, &attr, thread_start_func_1, th);
#else
	err = pthread_create(&th->thread_id, NULL, thread_start_func_1, th);
#endif
	thread_debug("create: %p (%d)\n", (void *)th, err);
#ifdef HAVE_PTHREAD_ATTR_INIT
	CHECK_ERR(pthread_attr_destroy(&attr));
#endif
    }
    return err;
}