Lines Matching refs:link_fd
4610 int prog_fd, link_fd, err; in probe_perf_link() local
4624 link_fd = bpf_link_create(prog_fd, -1, BPF_PERF_EVENT, NULL); in probe_perf_link()
4627 if (link_fd >= 0) in probe_perf_link()
4628 close(link_fd); in probe_perf_link()
4631 return link_fd < 0 && err == -EBADF; in probe_perf_link()
9427 int prog_fd, link_fd = -1, err; in bpf_program__attach_perf_event_opts() local
9455 link_fd = bpf_link_create(prog_fd, pfd, BPF_PERF_EVENT, &link_opts); in bpf_program__attach_perf_event_opts()
9456 if (link_fd < 0) { in bpf_program__attach_perf_event_opts()
9463 link->link.fd = link_fd; in bpf_program__attach_perf_event_opts()
9491 if (link_fd >= 0) in bpf_program__attach_perf_event_opts()
9492 close(link_fd); in bpf_program__attach_perf_event_opts()
10216 int prog_fd, link_fd; in bpf_program__attach_fd() local
10230 link_fd = bpf_link_create(prog_fd, target_fd, attach_type, &opts); in bpf_program__attach_fd()
10231 if (link_fd < 0) { in bpf_program__attach_fd()
10232 link_fd = -errno; in bpf_program__attach_fd()
10236 libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg))); in bpf_program__attach_fd()
10237 return libbpf_err_ptr(link_fd); in bpf_program__attach_fd()
10239 link->fd = link_fd; in bpf_program__attach_fd()
10300 int prog_fd, link_fd; in bpf_program__attach_iter() local
10320 link_fd = bpf_link_create(prog_fd, target_fd, BPF_TRACE_ITER, in bpf_program__attach_iter()
10322 if (link_fd < 0) { in bpf_program__attach_iter()
10323 link_fd = -errno; in bpf_program__attach_iter()
10326 prog->name, libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg))); in bpf_program__attach_iter()
10327 return libbpf_err_ptr(link_fd); in bpf_program__attach_iter()
10329 link->fd = link_fd; in bpf_program__attach_iter()