50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.h>
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#include <network_helpers.h>
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static void sigalrm_handler(int s) {}
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static struct sigaction sigalrm_action = {
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.sa_handler = sigalrm_handler,
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};
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static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
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{
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struct bpf_insn prog[4096];
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struct itimerval timeo = {
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.it_value.tv_usec = 100000, /* 100ms */
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};
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__u32 duration = 0, retval;
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int prog_fd;
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int err;
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int i;
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for (i = 0; i < ARRAY_SIZE(prog); i++)
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prog[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
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prog[ARRAY_SIZE(prog) - 1] = BPF_EXIT_INSN();
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prog_fd = bpf_load_program(prog_type, prog, ARRAY_SIZE(prog),
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"GPL", 0, NULL, 0);
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CHECK(prog_fd < 0, "test-run", "errno %d\n", errno);
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err = sigaction(SIGALRM, &sigalrm_action, NULL);
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CHECK(err, "test-run-signal-sigaction", "errno %d\n", errno);
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err = setitimer(ITIMER_REAL, &timeo, NULL);
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CHECK(err, "test-run-signal-timer", "errno %d\n", errno);
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err = bpf_prog_test_run(prog_fd, 0xffffffff, &pkt_v4, sizeof(pkt_v4),
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NULL, NULL, &retval, &duration);
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CHECK(duration > 500000000, /* 500ms */
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"test-run-signal-duration",
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"duration %dns > 500ms\n",
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duration);
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signal(SIGALRM, SIG_DFL);
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}
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void test_signal_pending(enum bpf_prog_type prog_type)
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{
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test_signal_pending_by_type(BPF_PROG_TYPE_SOCKET_FILTER);
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test_signal_pending_by_type(BPF_PROG_TYPE_FLOW_DISSECTOR);
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}
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