1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <network_helpers.h>
static void sigalrm_handler(int s) {}
static struct sigaction sigalrm_action = {
.sa_handler = sigalrm_handler,
};
static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
{
struct bpf_insn prog[4096];
struct itimerval timeo = {
.it_value.tv_usec = 100000, /* 100ms */
};
int prog_fd;
int err;
int i;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
.repeat = 0xffffffff,
);
for (i = 0; i < ARRAY_SIZE(prog); i++)
prog[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
prog[ARRAY_SIZE(prog) - 1] = BPF_EXIT_INSN();
prog_fd = bpf_test_load_program(prog_type, prog, ARRAY_SIZE(prog),
"GPL", 0, NULL, 0);
ASSERT_GE(prog_fd, 0, "test-run load");
err = sigaction(SIGALRM, &sigalrm_action, NULL);
ASSERT_OK(err, "test-run-signal-sigaction");
err = setitimer(ITIMER_REAL, &timeo, NULL);
ASSERT_OK(err, "test-run-signal-timer");
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_LE(topts.duration, 500000000 /* 500ms */,
"test-run-signal-duration");
signal(SIGALRM, SIG_DFL);
}
void test_signal_pending(void)
{
test_signal_pending_by_type(BPF_PROG_TYPE_SOCKET_FILTER);
test_signal_pending_by_type(BPF_PROG_TYPE_FLOW_DISSECTOR);
}
|
