50 lines
995 B
C
50 lines
995 B
C
/*
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* Check decoding of pipe2 syscall.
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*
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* Copyright (c) 2015-2018 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_pipe2
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# include <fcntl.h>
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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int *const fds = tail_alloc(sizeof(*fds) * 2);
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int *const efault = fds + 1;
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long rc;
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rc = syscall(__NR_pipe2, fds, F8ILL_KULONG_MASK | O_NONBLOCK);
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if (rc)
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perror_msg_and_skip("pipe2");
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printf("pipe2([%d, %d], O_NONBLOCK) = 0\n", fds[0], fds[1]);
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rc = syscall(__NR_pipe2, efault, F8ILL_KULONG_MASK);
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printf("pipe2(%p, 0) = %s\n", efault, sprintrc(rc));
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if (F8ILL_KULONG_SUPPORTED) {
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const kernel_ulong_t ill = f8ill_ptr_to_kulong(fds);
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rc = syscall(__NR_pipe2, ill, 0);
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printf("pipe2(%#llx, 0) = %s\n",
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(unsigned long long) ill, sprintrc(rc));
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}
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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_pipe2")
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#endif
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