1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Copyright (c) 2017 Facebook |
3 | |
4 | #include "vmlinux.h" |
5 | #include <bpf/bpf_helpers.h> |
6 | #include <bpf/bpf_tracing.h> |
7 | #include <bpf/bpf_core_read.h> |
8 | #include "bpf_misc.h" |
9 | |
10 | int kprobe_res = 0; |
11 | |
12 | /** |
13 | * This program will be manually made sleepable on the userspace side |
14 | * and should thus be unattachable. |
15 | */ |
16 | SEC("kprobe/" SYS_PREFIX "sys_nanosleep" ) |
17 | int handle_kprobe_sleepable(struct pt_regs *ctx) |
18 | { |
19 | kprobe_res = 1; |
20 | return 0; |
21 | } |
22 | |
23 | char _license[] SEC("license" ) = "GPL" ; |
24 | |