51 lines
1012 B
C
51 lines
1012 B
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
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*/
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/*\
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* [Description]
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*
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* Tests basic error handling of the pidfd_open syscall.
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*
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* - ESRCH the process specified by pid does not exist
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* - EINVAL pid is not valid
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* - EINVAL flags is not valid
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*/
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#include "tst_test.h"
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#include "lapi/pidfd.h"
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static pid_t expired_pid, my_pid, invalid_pid = -1;
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static struct tcase {
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char *name;
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pid_t *pid;
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int flags;
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int exp_errno;
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} tcases[] = {
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{"expired pid", &expired_pid, 0, ESRCH},
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{"invalid pid", &invalid_pid, 0, EINVAL},
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{"invalid flags", &my_pid, 1, EINVAL},
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};
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static void setup(void)
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{
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pidfd_open_supported();
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expired_pid = tst_get_unused_pid();
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my_pid = getpid();
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}
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static void run(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TST_EXP_FAIL2(pidfd_open(*tc->pid, tc->flags), tc->exp_errno,
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"pidfd_open with %s", tc->name);
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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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.test = run,
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.setup = setup,
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};
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