1*bb722a7dSDimitry Andric //===-- Definition of macros from unistd.h --------------------------------===// 2*bb722a7dSDimitry Andric // 3*bb722a7dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*bb722a7dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*bb722a7dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*bb722a7dSDimitry Andric // 7*bb722a7dSDimitry Andric //===----------------------------------------------------------------------===// 8*bb722a7dSDimitry Andric 9*bb722a7dSDimitry Andric #ifndef LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 10*bb722a7dSDimitry Andric #define LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 11*bb722a7dSDimitry Andric 12*bb722a7dSDimitry Andric // Values for mode argument to the access(...) function. 13*bb722a7dSDimitry Andric #define F_OK 0 14*bb722a7dSDimitry Andric #define X_OK 1 15*bb722a7dSDimitry Andric #define W_OK 2 16*bb722a7dSDimitry Andric #define R_OK 4 17*bb722a7dSDimitry Andric 18*bb722a7dSDimitry Andric #define _SC_PAGESIZE 1 19*bb722a7dSDimitry Andric #define _SC_PAGE_SIZE _SC_PAGESIZE 20*bb722a7dSDimitry Andric 21*bb722a7dSDimitry Andric #define _PC_FILESIZEBITS 0 22*bb722a7dSDimitry Andric #define _PC_LINK_MAX 1 23*bb722a7dSDimitry Andric #define _PC_MAX_CANON 2 24*bb722a7dSDimitry Andric #define _PC_MAX_INPUT 3 25*bb722a7dSDimitry Andric #define _PC_NAME_MAX 4 26*bb722a7dSDimitry Andric #define _PC_PATH_MAX 5 27*bb722a7dSDimitry Andric #define _PC_PIPE_BUF 6 28*bb722a7dSDimitry Andric #define _PC_2_SYMLINKS 7 29*bb722a7dSDimitry Andric #define _PC_ALLOC_SIZE_MIN 8 30*bb722a7dSDimitry Andric #define _PC_REC_INCR_XFER_SIZE 9 31*bb722a7dSDimitry Andric #define _PC_REC_MAX_XFER_SIZE 10 32*bb722a7dSDimitry Andric #define _PC_REC_MIN_XFER_SIZE 11 33*bb722a7dSDimitry Andric #define _PC_REC_XFER_ALIGN 12 34*bb722a7dSDimitry Andric #define _PC_SYMLINK_MAX 13 35*bb722a7dSDimitry Andric #define _PC_CHOWN_RESTRICTED 14 36*bb722a7dSDimitry Andric #define _PC_NO_TRUNC 15 37*bb722a7dSDimitry Andric #define _PC_VDISABLE 16 38*bb722a7dSDimitry Andric #define _PC_ASYNC_IO 17 39*bb722a7dSDimitry Andric #define _PC_PRIO_IO 18 40*bb722a7dSDimitry Andric #define _PC_SYNC_IO 19 41*bb722a7dSDimitry Andric 42*bb722a7dSDimitry Andric // TODO: Move these limit macros to a separate file 43*bb722a7dSDimitry Andric #define _POSIX_CHOWN_RESTRICTED 1 44*bb722a7dSDimitry Andric #define _POSIX_PIPE_BUF 512 45*bb722a7dSDimitry Andric #define _POSIX_NO_TRUNC 1 46*bb722a7dSDimitry Andric #define _POSIX_VDISABLE '\0' 47*bb722a7dSDimitry Andric 48*bb722a7dSDimitry Andric // Macro to set up the call to the __llvm_libc_syscall function 49*bb722a7dSDimitry Andric // This is to prevent the call from having fewer than 6 arguments, since six 50*bb722a7dSDimitry Andric // arguments are always passed to the syscall. Unnecessary arguments are 51*bb722a7dSDimitry Andric // ignored. 52*bb722a7dSDimitry Andric #define __syscall_helper(sysno, arg1, arg2, arg3, arg4, arg5, arg6, ...) \ 53*bb722a7dSDimitry Andric __llvm_libc_syscall((long)(sysno), (long)(arg1), (long)(arg2), (long)(arg3), \ 54*bb722a7dSDimitry Andric (long)(arg4), (long)(arg5), (long)(arg6)) 55*bb722a7dSDimitry Andric #define syscall(...) __syscall_helper(__VA_ARGS__, 0, 1, 2, 3, 4, 5, 6) 56*bb722a7dSDimitry Andric 57*bb722a7dSDimitry Andric #endif // LLVM_LIBC_MACROS_LINUX_UNISTD_MACROS_H 58