1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2019 Facebook
4 #include <linux/version.h>
5 #include <bpf/bpf_helpers.h>
7 __u32 sig = 0, pid = 0, status = 0, signal_thread = 0;
9 static __always_inline int bpf_send_signal_test(void *ctx)
13 if (status != 0 || sig == 0 || pid == 0)
16 if ((bpf_get_current_pid_tgid() >> 32) == pid) {
18 ret = bpf_send_signal_thread(sig);
20 ret = bpf_send_signal(sig);
28 SEC("tracepoint/syscalls/sys_enter_nanosleep")
29 int send_signal_tp(void *ctx)
31 return bpf_send_signal_test(ctx);
35 int send_signal_perf(void *ctx)
37 return bpf_send_signal_test(ctx);
40 char __license[] SEC("license") = "GPL";