49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
#include <test_progs.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 */
|
||
|
|
};
|
||
|
|
__u32 duration = 0, retval;
|
||
|
|
int prog_fd;
|
||
|
|
int err;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
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_load_program(prog_type, prog, ARRAY_SIZE(prog),
|
||
|
|
"GPL", 0, NULL, 0);
|
||
|
|
CHECK(prog_fd < 0, "test-run", "errno %d\n", errno);
|
||
|
|
|
||
|
|
err = sigaction(SIGALRM, &sigalrm_action, NULL);
|
||
|
|
CHECK(err, "test-run-signal-sigaction", "errno %d\n", errno);
|
||
|
|
|
||
|
|
err = setitimer(ITIMER_REAL, &timeo, NULL);
|
||
|
|
CHECK(err, "test-run-signal-timer", "errno %d\n", errno);
|
||
|
|
|
||
|
|
err = bpf_prog_test_run(prog_fd, 0xffffffff, &pkt_v4, sizeof(pkt_v4),
|
||
|
|
NULL, NULL, &retval, &duration);
|
||
|
|
CHECK(duration > 500000000, /* 500ms */
|
||
|
|
"test-run-signal-duration",
|
||
|
|
"duration %dns > 500ms\n",
|
||
|
|
duration);
|
||
|
|
|
||
|
|
signal(SIGALRM, SIG_DFL);
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_signal_pending(enum bpf_prog_type prog_type)
|
||
|
|
{
|
||
|
|
test_signal_pending_by_type(BPF_PROG_TYPE_SOCKET_FILTER);
|
||
|
|
test_signal_pending_by_type(BPF_PROG_TYPE_FLOW_DISSECTOR);
|
||
|
|
}
|