57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2016 Linux Test Project
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*/
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#include <errno.h>
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#include <signal.h>
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#include <stdlib.h>
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#include "tst_test.h"
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static void sig_handler(int sig LTP_ATTRIBUTE_UNUSED)
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{
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}
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static void do_child(void)
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{
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SAFE_SIGNAL(SIGINT, sig_handler);
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TST_CHECKPOINT_WAKE(0);
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TEST(pause());
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if (TST_RET != -1)
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tst_res(TFAIL, "pause() succeeded unexpectedly");
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else if (TST_ERR == EINTR)
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tst_res(TPASS, "pause() interrupted with EINTR");
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else
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tst_res(TFAIL | TTERRNO, "pause() unexpected errno");
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TST_CHECKPOINT_WAKE(0);
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exit(0);
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}
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static void do_test(void)
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{
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int pid, status;
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pid = SAFE_FORK();
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if (pid == 0)
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do_child();
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TST_CHECKPOINT_WAIT(0);
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TST_PROCESS_STATE_WAIT(pid, 'S', 0);
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kill(pid, SIGINT);
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/*
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* TST_CHECKPOINT_WAIT has built-in timeout, if pause() doesn't return,
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* this checkpoint call will reliably end the test.
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*/
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TST_CHECKPOINT_WAIT(0);
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SAFE_WAIT(&status);
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}
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static struct tst_test test = {
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.forks_child = 1,
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.needs_checkpoints = 1,
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.test_all = do_test,
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};
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