80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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* Copyright (C) 2015 Cyril Hrubis <chrubis@suse.cz>
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* AUTHOR : Dave Baumgartner
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* CO-PILOT : Barrie Kletscher
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*/
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/*\
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* [Description]
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*
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* Test SIGKILL for these items:
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* 1. SIGKILL can not be set to be ignored, errno:EINVAL (POSIX).
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* 2. SIGKILL can not be reset to default, errno:EINVAL (POSIX).
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* 3. SIGKILL can not be set to be caught, errno:EINVAL (POSIX).
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* 4. SIGKILL can not be ignored.
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* 5. SIGKILL is reset to default failed but processed by default.
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* 6. SIGKILL can not be caught.
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*/
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#include <stdlib.h>
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#include "tst_test.h"
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static void catchsig(int sig)
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{
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(void)sig;
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}
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static struct tcase {
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void (*sighandler)(int i);
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int kill;
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} tcases[] = {
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{SIG_IGN, 0},
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{SIG_DFL, 0},
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{catchsig, 0},
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{SIG_IGN, 1},
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{SIG_DFL, 1},
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{catchsig, 1},
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};
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static void do_test(unsigned int n)
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{
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pid_t pid;
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int res;
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struct tcase *tc = &tcases[n];
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pid = SAFE_FORK();
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if (!pid) {
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if (tc->kill) {
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signal(SIGKILL, tc->sighandler);
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pause();
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}
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TST_EXP_FAIL2((long)signal(SIGKILL, tc->sighandler), EINVAL);
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return;
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}
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if (!tc->kill) {
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SAFE_WAITPID(pid, &res, 0);
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return;
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}
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TST_PROCESS_STATE_WAIT(pid, 'S', 0);
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SAFE_KILL(pid, SIGKILL);
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SAFE_WAITPID(pid, &res, 0);
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if (WIFSIGNALED(res))
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TST_EXP_EQ_SSZ(WTERMSIG(res), SIGKILL);
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else
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tst_res(TFAIL, "Child not killed by signal");
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.forks_child = 1,
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.test = do_test,
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};
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