forked from OSchip/llvm-project
31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
//===-- Definition of macros from unistd.h --------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef __LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H
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#define __LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H
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// Values for mode argument to the access(...) function.
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#define F_OK 0
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#define X_OK 1
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#define W_OK 2
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#define R_OK 4
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#define _SC_PAGESIZE 1
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#define _SC_PAGE_SIZE _SC_PAGESIZE
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// Macro to set up the call to the __llvm_libc_syscall function
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// This is to prevent the call from having fewer than 6 arguments, since six
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// arguments are always passed to the syscall. Unnecessary arguments are
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// ignored.
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#define __syscall_helper(sysno, arg1, arg2, arg3, arg4, arg5, arg6, ...) \
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__llvm_libc_syscall((long)(sysno), (long)(arg1), (long)(arg2), (long)(arg3), \
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(long)(arg4), (long)(arg5), (long)(arg6))
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#define syscall(...) __syscall_helper(__VA_ARGS__, 0, 1, 2, 3, 4, 5, 6)
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#endif // __LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H
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