1 //===-- Definition of macros from unistd.h --------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 10 #define LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 11 12 // Values for mode argument to the access(...) function. 13 #define F_OK 0 14 #define X_OK 1 15 #define W_OK 2 16 #define R_OK 4 17 18 #define _SC_PAGESIZE 1 19 #define _SC_PAGE_SIZE _SC_PAGESIZE 20 21 #define _PC_FILESIZEBITS 0 22 #define _PC_LINK_MAX 1 23 #define _PC_MAX_CANON 2 24 #define _PC_MAX_INPUT 3 25 #define _PC_NAME_MAX 4 26 #define _PC_PATH_MAX 5 27 #define _PC_PIPE_BUF 6 28 #define _PC_2_SYMLINKS 7 29 #define _PC_ALLOC_SIZE_MIN 8 30 #define _PC_REC_INCR_XFER_SIZE 9 31 #define _PC_REC_MAX_XFER_SIZE 10 32 #define _PC_REC_MIN_XFER_SIZE 11 33 #define _PC_REC_XFER_ALIGN 12 34 #define _PC_SYMLINK_MAX 13 35 #define _PC_CHOWN_RESTRICTED 14 36 #define _PC_NO_TRUNC 15 37 #define _PC_VDISABLE 16 38 #define _PC_ASYNC_IO 17 39 #define _PC_PRIO_IO 18 40 #define _PC_SYNC_IO 19 41 42 // TODO: Move these limit macros to a separate file 43 #define _POSIX_CHOWN_RESTRICTED 1 44 #define _POSIX_PIPE_BUF 512 45 #define _POSIX_NO_TRUNC 1 46 #define _POSIX_VDISABLE '\0' 47 48 // Macro to set up the call to the __llvm_libc_syscall function 49 // This is to prevent the call from having fewer than 6 arguments, since six 50 // arguments are always passed to the syscall. Unnecessary arguments are 51 // ignored. 52 #define __syscall_helper(sysno, arg1, arg2, arg3, arg4, arg5, arg6, ...) \ 53 __llvm_libc_syscall((long)(sysno), (long)(arg1), (long)(arg2), (long)(arg3), \ 54 (long)(arg4), (long)(arg5), (long)(arg6)) 55 #define syscall(...) __syscall_helper(__VA_ARGS__, 0, 1, 2, 3, 4, 5, 6) 56 57 #endif // LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 58