37 lines
671 B
C
37 lines
671 B
C
/*
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* Check decoding of waitpid syscall.
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*
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* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_waitpid
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# include <stdio.h>
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# include <unistd.h>
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# include <sys/wait.h>
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int
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main(void)
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{
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unsigned long pid =
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(unsigned long) 0xdefaced00000000ULL | (unsigned) getpid();
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long rc = syscall(__NR_waitpid, pid, 0L, (unsigned long) WNOHANG);
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printf("waitpid(%d, NULL, WNOHANG) = %ld %s (%m)\n",
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(int) pid, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_waitpid")
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#endif
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