X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Funistd.in.h;h=bd2b09961be4ddbe2e1a20b7754f60fea99433d3;hb=e7086a9a301ffcfef17edbcba9e7c0312c33f7a8;hp=18e850fb4081b417c006f4990452392399ca1fff;hpb=18306a88dced251f99b0207f2d1108831c8203a5;p=gnulib.git diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 18e850fb4..bd2b09961 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around . - Copyright (C) 2003-2011 Free Software Foundation, Inc. + Copyright (C) 2003-2013 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -12,32 +12,15 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program; if not, see . */ + +#ifndef _@GUARD_PREFIX@_UNISTD_H #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif @PRAGMA_COLUMNS@ -/* Special invocation convention: - - On mingw, several headers, including , include , - but we need to ensure that both the system and - are completely included before we replace gethostname. */ -#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ - && !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H -/* is being indirectly included for the first time from - ; avoid declaring any overrides. */ -# if @HAVE_UNISTD_H@ -# @INCLUDE_NEXT@ @NEXT_UNISTD_H@ -# else -# error unexpected; report this to bug-gnulib@gnu.org -# endif -# define _GL_WINSOCK2_H_WITNESS - -/* Normal invocation. */ -#elif !defined _@GUARD_PREFIX@_UNISTD_H - /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ @@ -78,17 +61,29 @@ /* mingw, MSVC, BeOS, Haiku declare environ in , not in . */ /* Solaris declares getcwd not only in but also in . */ +/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system is + included here. */ /* But avoid namespace pollution on glibc systems. */ -#ifndef __GLIBC__ +#if !defined __GLIBC__ && !defined __osf__ +# define __need_system_stdlib_h # include +# undef __need_system_stdlib_h #endif -/* Native Windows platforms declare getcwd in - and/or , not in . */ -#if ((@GNULIB_GETCWD@ || defined GNULIB_POSIXCHECK) \ +/* Native Windows platforms declare chdir, getcwd, rmdir in + and/or , not in . + They also declare access(), chmod(), close(), dup(), dup2(), isatty(), + lseek(), read(), unlink(), write() in . */ +#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \ + || defined GNULIB_POSIXCHECK) \ && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) # include /* mingw32, mingw64 */ # include /* mingw64, MSVC 9 */ +#elif (@GNULIB_CLOSE@ || @GNULIB_DUP@ || @GNULIB_DUP2@ || @GNULIB_ISATTY@ \ + || @GNULIB_LSEEK@ || @GNULIB_READ@ || @GNULIB_UNLINK@ || @GNULIB_WRITE@ \ + || defined GNULIB_POSIXCHECK) \ + && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) +# include #endif /* AIX and OSF/1 5.1 declare getdomainname in , not in . @@ -100,8 +95,9 @@ # include #endif -/* MSVC defines off_t in . */ -#if !@HAVE_UNISTD_H@ +/* MSVC defines off_t in . + May also define off_t to a 64-bit type on native Windows. */ +#if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@ /* Get off_t. */ # include #endif @@ -116,9 +112,18 @@ /* Get getopt(), optarg, optind, opterr, optopt. But avoid namespace pollution on glibc systems. */ #if @GNULIB_UNISTD_H_GETOPT@ && !defined __GLIBC__ && !defined _GL_SYSTEM_GETOPT +# define __need_getopt # include #endif +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." +#endif +_GL_INLINE_HEADER_BEGIN +#ifndef _GL_UNISTD_INLINE +# define _GL_UNISTD_INLINE _GL_INLINE +#endif + /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ /* The definition of _GL_ARG_NONNULL is copied here. */ @@ -232,6 +237,18 @@ _GL_WARN_ON_USE (access, "the access function is a security risk - " #endif +#if @GNULIB_CHDIR@ +_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1))); +_GL_CXXALIASWARN (chdir); +#elif defined GNULIB_POSIXCHECK +# undef chdir +# if HAVE_RAW_DECL_CHDIR +_GL_WARN_ON_USE (chown, "chdir is not always in - " + "use gnulib module chdir for portability"); +# endif +#endif + + #if @GNULIB_CHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Follow symbolic links. @@ -288,16 +305,24 @@ _GL_WARN_ON_USE (close, "close does not portably work on sockets - " #endif -#if @REPLACE_DUP@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define dup rpl_dup -# endif +#if @GNULIB_DUP@ +# if @REPLACE_DUP@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dup rpl_dup +# endif _GL_FUNCDECL_RPL (dup, int, (int oldfd)); _GL_CXXALIAS_RPL (dup, int, (int oldfd)); -#else +# else _GL_CXXALIAS_SYS (dup, int, (int oldfd)); -#endif +# endif _GL_CXXALIASWARN (dup); +#elif defined GNULIB_POSIXCHECK +# undef dup +# if HAVE_RAW_DECL_DUP +_GL_WARN_ON_USE (dup, "dup is unportable - " + "use gnulib module dup for portability"); +# endif +#endif #if @GNULIB_DUP2@ @@ -376,7 +401,7 @@ extern char **environ; # endif #elif defined GNULIB_POSIXCHECK # if HAVE_RAW_DECL_ENVIRON -static inline char *** +_GL_UNISTD_INLINE char *** rpl_environ (void) { return &environ; @@ -535,10 +560,19 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - " Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification . */ -# if !@HAVE_FTRUNCATE@ +# if @REPLACE_FTRUNCATE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ftruncate +# define ftruncate rpl_ftruncate +# endif +_GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length)); +_GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length)); +# else +# if !@HAVE_FTRUNCATE@ _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length)); -# endif +# endif _GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length)); +# endif _GL_CXXALIASWARN (ftruncate); #elif defined GNULIB_POSIXCHECK # undef ftruncate @@ -620,10 +654,19 @@ _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - " #if @GNULIB_GETDTABLESIZE@ /* Return the maximum number of file descriptors in the current process. In POSIX, this is same as sysconf (_SC_OPEN_MAX). */ -# if !@HAVE_GETDTABLESIZE@ +# if @REPLACE_GETDTABLESIZE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getdtablesize +# define getdtablesize rpl_getdtablesize +# endif +_GL_FUNCDECL_RPL (getdtablesize, int, (void)); +_GL_CXXALIAS_RPL (getdtablesize, int, (void)); +# else +# if !@HAVE_GETDTABLESIZE@ _GL_FUNCDECL_SYS (getdtablesize, int, (void)); -# endif +# endif _GL_CXXALIAS_SYS (getdtablesize, int, (void)); +# endif _GL_CXXALIASWARN (getdtablesize); #elif defined GNULIB_POSIXCHECK # undef getdtablesize @@ -825,7 +868,7 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void)); # define getpagesize() _gl_getpagesize () # else # if !GNULIB_defined_getpagesize_function -static inline int +_GL_UNISTD_INLINE int getpagesize () { return _gl_getpagesize (); @@ -914,6 +957,27 @@ _GL_WARN_ON_USE (group_member, "group_member is unportable - " #endif +#if @GNULIB_ISATTY@ +# if @REPLACE_ISATTY@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef isatty +# define isatty rpl_isatty +# endif +_GL_FUNCDECL_RPL (isatty, int, (int fd)); +_GL_CXXALIAS_RPL (isatty, int, (int fd)); +# else +_GL_CXXALIAS_SYS (isatty, int, (int fd)); +# endif +_GL_CXXALIASWARN (isatty); +#elif defined GNULIB_POSIXCHECK +# undef isatty +# if HAVE_RAW_DECL_ISATTY +_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - " + "use gnulib module isatty for portability"); +# endif +#endif + + #if @GNULIB_LCHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Do not follow symbolic links. @@ -1156,7 +1220,7 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - " /* Read up to COUNT bytes from file descriptor FD into the buffer starting at BUF. See the POSIX:2008 specification . */ -# if @REPLACE_READ@ && @GNULIB_UNISTD_H_NONBLOCKING@ +# if @REPLACE_READ@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef read # define read rpl_read @@ -1247,6 +1311,33 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - " #endif +#if @GNULIB_SETHOSTNAME@ +/* Set the host name of the machine. + The host name may or may not be fully qualified. + + Put LEN bytes of NAME into the host name. + Return 0 if successful, otherwise, set errno and return -1. + + Platforms with no ability to set the hostname return -1 and set + errno = ENOSYS. */ +# if !@HAVE_SETHOSTNAME@ || !@HAVE_DECL_SETHOSTNAME@ +_GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len) + _GL_ARG_NONNULL ((1))); +# endif +/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5 + and FreeBSD 6.4 the second parameter is int. On Solaris 11 + 2011-10, the first parameter is not const. */ +_GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len)); +_GL_CXXALIASWARN (sethostname); +#elif defined GNULIB_POSIXCHECK +# undef sethostname +# if HAVE_RAW_DECL_SETHOSTNAME +_GL_WARN_ON_USE (sethostname, "sethostname is unportable - " + "use gnulib module sethostname for portability"); +# endif +#endif + + #if @GNULIB_SLEEP@ /* Pause the execution of the current thread for N seconds. Returns the number of seconds left to sleep. @@ -1428,7 +1519,7 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2008 specification . */ -# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || @GNULIB_UNISTD_H_SIGPIPE@) +# if @REPLACE_WRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef write # define write rpl_write @@ -1445,6 +1536,7 @@ _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); _GL_CXXALIASWARN (write); #endif +_GL_INLINE_HEADER_END #endif /* _@GUARD_PREFIX@_UNISTD_H */ #endif /* _@GUARD_PREFIX@_UNISTD_H */