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https://github.com/reactos/reactos.git
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184 lines
4.3 KiB
C
184 lines
4.3 KiB
C
/* @(#)unistd.h 1.28 17/04/30 Copyright 1996-2017 J. Schilling */
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/*
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* Definitions for unix system interface
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*
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* Copyright (c) 1996-2017 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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* A copy of the CDDL is also available via the Internet at
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* http://www.opensource.org/licenses/cddl1.txt
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#ifndef _SCHILY_UNISTD_H
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#define _SCHILY_UNISTD_H
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#ifndef _SCHILY_MCONFIG_H
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#include <schily/mconfig.h>
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#endif
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/*
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* unistd.h grants things like off_t to be typedef'd.
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*/
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#ifndef _SCHILY_TYPES_H
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#include <schily/types.h>
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#endif
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/*
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* inttypes.h grants things like Intptr_t to be typedef'd.
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*/
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#ifndef _SCHILY_INTTYPES_H
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#include <schily/inttypes.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#ifndef _INCL_UNISTD_H
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#include <unistd.h>
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#define _INCL_UNISTD_H
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#endif
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#ifndef _SC_PAGESIZE
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#ifdef _SC_PAGE_SIZE /* HP/UX & OSF */
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#define _SC_PAGESIZE _SC_PAGE_SIZE
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#endif
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#endif
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#else /* !HAVE_UNISTD_H */
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#ifndef _SCHILY_STDLIB_H
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#include <schily/stdlib.h> /* MSVC: no unistd.h environ is in stdlib.h */
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#endif
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#endif /* !HAVE_UNISTD_H */
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/*
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* MSVC has getcwd()/chdir()/mkdir()/rmdir() in direct.h
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*/
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#if defined(_MSC_VER) && defined(HAVE_DIRECT_H)
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#ifndef _INCL_DIRECT_H
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#include <direct.h>
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#define _INCL_DIRECT_H
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#endif
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#endif
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/*
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* MSVC has size_t in stddef.h
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*/
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#ifdef HAVE_STDDEF_H
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#ifndef _INCL_STDDEF_H
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#include <stddef.h>
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#define _INCL_STDDEF_H
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#endif
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#endif
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#ifndef STDIN_FILENO
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# ifdef JOS
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# ifndef _SCHILY_JOS_IO_H
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# include <schily/jos_io.h>
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# endif
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# else
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# define STDIN_FILENO 0
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# define STDOUT_FILENO 1
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# define STDERR_FILENO 2
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# endif
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#endif
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#ifndef R_OK
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/* Symbolic constants for the "access" routine: */
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#define R_OK 4 /* Test for Read permission */
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#define W_OK 2 /* Test for Write permission */
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#define X_OK 1 /* Test for eXecute permission */
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#define F_OK 0 /* Test for existence of File */
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#endif
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#ifndef E_OK
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#ifdef HAVE_ACCESS_E_OK
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#ifdef EFF_ONLY_OK
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#define E_OK EFF_ONLY_OK /* Irix */
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#else
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#ifdef EUID_OK
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#define E_OK EUID_OK /* UNICOS (0400) */
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#else
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#define E_OK 010 /* Test effective uids */
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#endif /* EUID_OK */
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#endif /* EFF_ONLY_OK */
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#else
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#define E_OK 0
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#endif /* HAVE_ACCESS_E_OK */
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#endif /* !E_OK */
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/* Symbolic constants for the "lseek" routine: */
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#ifndef SEEK_SET
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#define SEEK_SET 0 /* Set file pointer to "offset" */
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1 /* Set file pointer to current plus "offset" */
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef HAVE_ENVIRON_DEF
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extern char **environ;
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#endif
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#if !defined(HAVE_UNISTD_H) || !defined(_POSIX_VERSION)
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/*
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* Maybe we need a lot more definitions here...
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* It is not clear whether we should have prototyped definitions.
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*/
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#if !defined(_MSC_VER) && !defined(__MINGW32__)
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/*
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* MS C comes with broken prototypes in wrong header files (in our case, the
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* wrong prototype is in io.h). Avoid to redefine the broken MS stuff with
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* correct prototypes.
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*/
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extern int access __PR((const char *, int));
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extern int close __PR((int));
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extern int dup __PR((int));
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extern int dup2 __PR((int, int));
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extern int link __PR((const char *, const char *));
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extern int read __PR((int, void *, size_t));
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extern int unlink __PR((const char *));
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extern int write __PR((int, const void *, size_t));
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#endif
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#if !defined(_MSC_VER) && !defined(__MINGW32__)
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/*
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* MS C comes with broken prototypes in wrong header files (in our case, the
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* wrong prototype is in stdlib.h). Avoid to redefine the broken MS stuff with
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* correct prototypes.
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*/
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extern void _exit __PR((int));
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#endif
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#endif
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#if !defined(HAVE_PIPE) && defined(HAVE__PIPE) && defined(HAVE_IO_H)
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#ifndef _SCHILY_LIMITS_H
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#include <schily/limits.h> /* for PIPE_BUF */
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#endif
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#ifndef _SCHILY_FCNTL_H
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#include <schily/fcntl.h> /* for O_BINARY */
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#endif
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#ifndef _SCHILY_IO_H
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#include <schily/io.h> /* for _pipe() */
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#endif
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#define pipe(pp) _pipe(pp, PIPE_BUF, O_BINARY)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCHILY_UNISTD_H */
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