Helper function bpf_send_signal
Definition
Copyright (c) 2015 The Libbpf Authors. All rights reserved.
Send signal sig to the process of the current task. The signal may be delivered to any of this process's threads.
Returns
0 on success or successfully queued.
-EBUSY if work queue under nmi is full.
-EINVAL if sig is invalid.
-EPERM if no permission to send the sig.
-EAGAIN if bpf program can try again.
static long (* const bpf_send_signal)(__u32 sig) = (void *) 109;
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
This helper call can be used in the following program types:
- BPF_PROG_TYPE_KPROBE
- BPF_PROG_TYPE_LSM
- BPF_PROG_TYPE_PERF_EVENT
- BPF_PROG_TYPE_RAW_TRACEPOINT
- BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
- BPF_PROG_TYPE_SYSCALL
- BPF_PROG_TYPE_TRACEPOINT
- BPF_PROG_TYPE_TRACING
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome