// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 Carlos Neira cneirabustos@gmail.com */ #include <linux/bpf.h> #include <stdint.h> #include <bpf/bpf_helpers.h> __u64 user_pid = 0; __u64 user_tgid = 0; __u64 dev = 0; __u64 ino = 0; SEC("tracepoint/syscalls/sys_enter_nanosleep") int handler(const void *ctx) { struct bpf_pidns_info nsdata; if (bpf_get_ns_current_pid_tgid(dev, ino, &nsdata, sizeof(struct bpf_pidns_info))) return 0; user_pid = nsdata.pid; user_tgid = nsdata.tgid; return 0; } char _license[] SEC("license") = "GPL";