C++ (Cpp) rst_mem_cpos Examples

Example #1

File: seccomp.c Project: nwmcsween/criu

int seccomp_filters_get_rst_pos(CoreEntry *core, int *count, unsigned long *pos)
{
	SeccompFilter *sf = NULL;
	struct sock_fprog *arr = NULL;
	void *filter_data = NULL;
	int ret = -1, i;
	size_t filter_size = 0;

	if (!core->tc->has_seccomp_filter) {
		*count = 0;
		return 0;
	}

	*count = 0;
	*pos = rst_mem_cpos(RM_PRIVATE);

	BUG_ON(core->tc->seccomp_filter > se->n_seccomp_filters);
	sf = se->seccomp_filters[core->tc->seccomp_filter];

	while (1) {
		(*count)++;

		filter_size += sf->filter.len;

		if (!sf->has_prev)
			break;

		sf = se->seccomp_filters[sf->prev];
	}

	arr = rst_mem_alloc(sizeof(struct sock_fprog) * (*count) + filter_size, RM_PRIVATE);
	if (!arr)
		goto out;

	filter_data = &arr[*count];
	sf = se->seccomp_filters[core->tc->seccomp_filter];
	for (i = 0; i < *count; i++) {
		struct sock_fprog *fprog = &arr[i];

		BUG_ON(sf->filter.len % sizeof(struct sock_filter));
		fprog->len = sf->filter.len / sizeof(struct sock_filter);

		memcpy(filter_data, sf->filter.data, sf->filter.len);

		filter_data += sf->filter.len;
		sf = se->seccomp_filters[sf->prev];
	}

	ret = 0;

out:
	seccomp_entry__free_unpacked(se, NULL);
	return ret;
}

Example #2

File: shmem.c Project: nicescale/criu

int prepare_shmem_restore(void)
{
	rst_shmems = rst_mem_cpos(RM_SHREMAP);
	return 0;
}