Function restore_fstack_fd

adapter/syscall/ff_hook_syscall.c:258–264

Restore socket fd. */

/* Restore socket fd. */
static inline int restore_fstack_fd(int sockfd) {
    if(sockfd < ff_kernel_max_fd) {
        return sockfd;
    }

    return sockfd - ff_kernel_max_fd;
}

int is_fstack_fd(int sockfd) {
    if (unlikely(inited == 0/* && ff_adapter_init() < 0*/)) {