diff options
Diffstat (limited to 'lib/unistd.in.h')
| -rw-r--r-- | lib/unistd.in.h | 604 |
1 files changed, 449 insertions, 155 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h index fa82bbf2..c0bc8c7f 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around <unistd.h>. - Copyright (C) 2003-2010 Free Software Foundation, Inc. + Copyright (C) 2003-2015 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -12,34 +12,32 @@ GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser 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 <http://www.gnu.org/licenses/>. */ + +#ifndef _@GUARD_PREFIX@_UNISTD_H #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif +@PRAGMA_COLUMNS@ +#ifdef _GL_INCLUDING_UNISTD_H /* Special invocation convention: - - On mingw, several headers, including <winsock2.h>, include <unistd.h>, - but we need to ensure that both the system <unistd.h> and <winsock2.h> - are completely included before we replace gethostname. */ -#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ \ - && !defined _GL_WINSOCK2_H_WITNESS && defined _WINSOCK2_H -/* <unistd.h> is being indirectly included for the first time from - <winsock2.h>; 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 + - On Mac OS X 10.3.9 we have a sequence of nested includes + <unistd.h> -> <signal.h> -> <pthread.h> -> <unistd.h> + In this situation, the functions are not yet declared, therefore we cannot + provide the C++ aliases. */ + +#@INCLUDE_NEXT@ @NEXT_UNISTD_H@ -/* Normal invocation. */ -#elif !defined _GL_UNISTD_H +#else +/* Normal invocation convention. */ /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ +# define _GL_INCLUDING_UNISTD_H # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ +# undef _GL_INCLUDING_UNISTD_H #endif /* Get all possible declarations of gethostname(). */ @@ -50,8 +48,8 @@ # undef _GL_INCLUDING_WINSOCK2_H #endif -#if !defined _GL_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H -#define _GL_UNISTD_H +#if !defined _@GUARD_PREFIX@_UNISTD_H && !defined _GL_INCLUDING_WINSOCK2_H +#define _@GUARD_PREFIX@_UNISTD_H /* NetBSD 5.0 mis-defines NULL. Also get size_t. */ #include <stddef.h> @@ -60,33 +58,67 @@ /* Cygwin 1.7.1 declares symlinkat in <stdio.h>, not in <unistd.h>. */ /* But avoid namespace pollution on glibc systems. */ #if (!(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET) \ - || (@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK)) \ + || ((@GNULIB_SYMLINKAT@ || defined GNULIB_POSIXCHECK) \ + && defined __CYGWIN__)) \ && ! defined __GLIBC__ # include <stdio.h> #endif /* Cygwin 1.7.1 declares unlinkat in <fcntl.h>, not in <unistd.h>. */ /* But avoid namespace pollution on glibc systems. */ -#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ +#if (@GNULIB_UNLINKAT@ || defined GNULIB_POSIXCHECK) && defined __CYGWIN__ \ + && ! defined __GLIBC__ # include <fcntl.h> #endif /* mingw fails to declare _exit in <unistd.h>. */ -/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */ +/* mingw, MSVC, BeOS, Haiku declare environ in <stdlib.h>, not in + <unistd.h>. */ /* Solaris declares getcwd not only in <unistd.h> but also in <stdlib.h>. */ +/* OSF Tru64 Unix cannot see gnulib rpl_strtod when system <stdlib.h> is + included here. */ /* But avoid namespace pollution on glibc systems. */ -#ifndef __GLIBC__ +#if !defined __GLIBC__ && !defined __osf__ +# define __need_system_stdlib_h # include <stdlib.h> +# undef __need_system_stdlib_h #endif -/* mingw declares getcwd in <io.h>, not in <unistd.h>. */ -#if ((@GNULIB_GETCWD@ || defined GNULIB_POSIXCHECK) \ +/* Native Windows platforms declare chdir, getcwd, rmdir in + <io.h> and/or <direct.h>, not in <unistd.h>. + They also declare access(), chmod(), close(), dup(), dup2(), isatty(), + lseek(), read(), unlink(), write() in <io.h>. */ +#if ((@GNULIB_CHDIR@ || @GNULIB_GETCWD@ || @GNULIB_RMDIR@ \ + || defined GNULIB_POSIXCHECK) \ && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)) +# include <io.h> /* mingw32, mingw64 */ +# include <direct.h> /* 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 <io.h> #endif -#if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ - || @GNULIB_PREAD@ || defined GNULIB_POSIXCHECK) +/* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>. + NonStop Kernel declares gethostname in <netdb.h>, not in <unistd.h>. */ +/* But avoid namespace pollution on glibc systems. */ +#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \ + || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \ + && !defined __GLIBC__ +# include <netdb.h> +#endif + +/* MSVC defines off_t in <sys/types.h>. + 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 <sys/types.h> +#endif + +#if (@GNULIB_READ@ || @GNULIB_WRITE@ \ + || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ + || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK) /* Get ssize_t. */ # include <sys/types.h> #endif @@ -94,9 +126,18 @@ /* 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 <getopt.h> #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. */ @@ -104,78 +145,77 @@ /* The definition of _GL_WARN_ON_USE is copied here. */ -#if @GNULIB_GETHOSTNAME@ -/* Get all possible declarations of gethostname(). */ -# if @UNISTD_H_HAVE_WINSOCK2_H@ -# if !defined _GL_SYS_SOCKET_H -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef socket -# define socket socket_used_without_including_sys_socket_h -# undef connect -# define connect connect_used_without_including_sys_socket_h -# undef accept -# define accept accept_used_without_including_sys_socket_h -# undef bind -# define bind bind_used_without_including_sys_socket_h -# undef getpeername -# define getpeername getpeername_used_without_including_sys_socket_h -# undef getsockname -# define getsockname getsockname_used_without_including_sys_socket_h -# undef getsockopt -# define getsockopt getsockopt_used_without_including_sys_socket_h -# undef listen -# define listen listen_used_without_including_sys_socket_h -# undef recv -# define recv recv_used_without_including_sys_socket_h -# undef send -# define send send_used_without_including_sys_socket_h -# undef recvfrom -# define recvfrom recvfrom_used_without_including_sys_socket_h -# undef sendto -# define sendto sendto_used_without_including_sys_socket_h -# undef setsockopt -# define setsockopt setsockopt_used_without_including_sys_socket_h -# undef shutdown -# define shutdown shutdown_used_without_including_sys_socket_h -# else - _GL_WARN_ON_USE (socket, - "socket() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (connect, - "connect() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (accept, - "accept() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (bind, - "bind() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (getpeername, - "getpeername() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (getsockname, - "getsockname() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (getsockopt, - "getsockopt() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (listen, - "listen() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (recv, - "recv() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (send, - "send() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (recvfrom, - "recvfrom() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (sendto, - "sendto() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (setsockopt, - "setsockopt() used without including <sys/socket.h>"); - _GL_WARN_ON_USE (shutdown, - "shutdown() used without including <sys/socket.h>"); -# endif +/* Hide some function declarations from <winsock2.h>. */ + +#if @GNULIB_GETHOSTNAME@ && @UNISTD_H_HAVE_WINSOCK2_H@ +# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef socket +# define socket socket_used_without_including_sys_socket_h +# undef connect +# define connect connect_used_without_including_sys_socket_h +# undef accept +# define accept accept_used_without_including_sys_socket_h +# undef bind +# define bind bind_used_without_including_sys_socket_h +# undef getpeername +# define getpeername getpeername_used_without_including_sys_socket_h +# undef getsockname +# define getsockname getsockname_used_without_including_sys_socket_h +# undef getsockopt +# define getsockopt getsockopt_used_without_including_sys_socket_h +# undef listen +# define listen listen_used_without_including_sys_socket_h +# undef recv +# define recv recv_used_without_including_sys_socket_h +# undef send +# define send send_used_without_including_sys_socket_h +# undef recvfrom +# define recvfrom recvfrom_used_without_including_sys_socket_h +# undef sendto +# define sendto sendto_used_without_including_sys_socket_h +# undef setsockopt +# define setsockopt setsockopt_used_without_including_sys_socket_h +# undef shutdown +# define shutdown shutdown_used_without_including_sys_socket_h +# else + _GL_WARN_ON_USE (socket, + "socket() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (connect, + "connect() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (accept, + "accept() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (bind, + "bind() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getpeername, + "getpeername() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getsockname, + "getsockname() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (getsockopt, + "getsockopt() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (listen, + "listen() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (recv, + "recv() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (send, + "send() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (recvfrom, + "recvfrom() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (sendto, + "sendto() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (setsockopt, + "setsockopt() used without including <sys/socket.h>"); + _GL_WARN_ON_USE (shutdown, + "shutdown() used without including <sys/socket.h>"); # endif -# if !defined _GL_SYS_SELECT_H -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef select -# define select select_used_without_including_sys_select_h -# else - _GL_WARN_ON_USE (select, - "select() used without including <sys/select.h>"); -# endif +# endif +# if !defined _@GUARD_PREFIX@_SYS_SELECT_H +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef select +# define select select_used_without_including_sys_select_h +# else + _GL_WARN_ON_USE (select, + "select() used without including <sys/select.h>"); # endif # endif #endif @@ -211,12 +251,24 @@ _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 <unistd.h> - " + "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. Return 0 if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/chown.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */ # if @REPLACE_CHOWN@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef chown @@ -267,24 +319,32 @@ _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@ /* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if NEWFD = OLDFD, otherwise close NEWFD first if it is open. Return newfd if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/dup2.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */ # if @REPLACE_DUP2@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define dup2 rpl_dup2 @@ -341,6 +401,12 @@ _GL_WARN_ON_USE (dup3, "dup3 is unportable - " /* Set of environment variables and values. An array of strings of the form "VARIABLE=VALUE", terminated with a NULL. */ # if defined __APPLE__ && defined __MACH__ +# include <TargetConditionals.h> +# if !TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR +# define _GL_USE_CRT_EXTERNS +# endif +# endif +# ifdef _GL_USE_CRT_EXTERNS # include <crt_externs.h> # define environ (*_NSGetEnviron ()) # else @@ -355,7 +421,7 @@ 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; @@ -413,8 +479,8 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " /* Change the process' current working directory to the directory on which the given file descriptor is open. Return 0 if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/fchdir.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */ # if ! @HAVE_FCHDIR@ _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); @@ -425,6 +491,10 @@ _GL_EXTERN_C void _gl_unregister_fd (int fd); _GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd); _GL_EXTERN_C const char *_gl_directory_name (int fd); +# else +# if !@HAVE_DECL_FCHDIR@ +_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); +# endif # endif _GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); _GL_CXXALIASWARN (fchdir); @@ -467,11 +537,30 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - " #endif -#if @GNULIB_FSYNC@ +#if @GNULIB_FDATASYNC@ /* Synchronize changes to a file. Return 0 if successful, otherwise -1 and errno set. - See POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/fsync.html>. */ + See POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */ +# if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@ +_GL_FUNCDECL_SYS (fdatasync, int, (int fd)); +# endif +_GL_CXXALIAS_SYS (fdatasync, int, (int fd)); +_GL_CXXALIASWARN (fdatasync); +#elif defined GNULIB_POSIXCHECK +# undef fdatasync +# if HAVE_RAW_DECL_FDATASYNC +_GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - " + "use gnulib module fdatasync for portability"); +# endif +#endif + + +#if @GNULIB_FSYNC@ +/* Synchronize changes, including metadata, to a file. + Return 0 if successful, otherwise -1 and errno set. + See POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */ # if !@HAVE_FSYNC@ _GL_FUNCDECL_SYS (fsync, int, (int fd)); # endif @@ -489,12 +578,21 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - " #if @GNULIB_FTRUNCATE@ /* Change the size of the file to which FD is opened to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/ftruncate.html>. */ -# if !@HAVE_FTRUNCATE@ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */ +# 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 @@ -510,8 +608,8 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " of BUF. Return BUF if successful, or NULL if the directory couldn't be determined or SIZE was too small. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/getcwd.html>. + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>. Additionally, the gnulib module 'getcwd' guarantees the following GNU extension: If BUF is NULL, an array is allocated with 'malloc'; the array is SIZE bytes long, unless SIZE == 0, in which case it is as big as @@ -548,13 +646,21 @@ _GL_WARN_ON_USE (getcwd, "getcwd is unportable - " Null terminate it if the name is shorter than LEN. If the NIS domain name is longer than LEN, set errno = EINVAL and return -1. Return 0 if successful, otherwise set errno and return -1. */ -# if !@HAVE_GETDOMAINNAME@ +# if @REPLACE_GETDOMAINNAME@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef getdomainname +# define getdomainname rpl_getdomainname +# endif +_GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len)); +# else +# if !@HAVE_DECL_GETDOMAINNAME@ _GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len)); # endif -/* Need to cast, because on MacOS X 10.5 systems, the second parameter is - int len. */ -_GL_CXXALIAS_SYS_CAST (getdomainname, int, (char *name, size_t len)); _GL_CXXALIASWARN (getdomainname); #elif defined GNULIB_POSIXCHECK # undef getdomainname @@ -568,10 +674,19 @@ _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 @@ -632,7 +747,8 @@ _GL_CXXALIAS_RPL (gethostname, int, (char *name, size_t len)); _GL_FUNCDECL_SYS (gethostname, int, (char *name, size_t len) _GL_ARG_NONNULL ((1))); # endif -/* Need to cast, because on Solaris 10 systems, the second parameter is +/* Need to cast, because on Solaris 10 and OSF/1 5.1 systems, the second + parameter is int len. */ _GL_CXXALIAS_SYS_CAST (gethostname, int, (char *name, size_t len)); # endif @@ -689,13 +805,22 @@ _GL_WARN_ON_USE (getlogin, "getlogin is unportable - " ${LOGNAME-$USER} on Unix platforms, $USERNAME on native Windows platforms. */ -# if !@HAVE_DECL_GETLOGIN_R@ +# if @REPLACE_GETLOGIN_R@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define getlogin_r rpl_getlogin_r +# endif +_GL_FUNCDECL_RPL (getlogin_r, int, (char *name, size_t size) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (getlogin_r, int, (char *name, size_t size)); +# else +# if !@HAVE_DECL_GETLOGIN_R@ _GL_FUNCDECL_SYS (getlogin_r, int, (char *name, size_t size) _GL_ARG_NONNULL ((1))); -# endif +# endif /* Need to cast, because on Solaris 10 systems, the second argument is int size. */ _GL_CXXALIAS_SYS_CAST (getlogin_r, int, (char *name, size_t size)); +# endif _GL_CXXALIASWARN (getlogin_r); #elif defined GNULIB_POSIXCHECK # undef getlogin_r @@ -762,11 +887,14 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void)); # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define getpagesize() _gl_getpagesize () # else -static inline int +# if !GNULIB_defined_getpagesize_function +_GL_UNISTD_INLINE int getpagesize () { return _gl_getpagesize (); } +# define GNULIB_defined_getpagesize_function 1 +# endif # endif # endif # endif @@ -833,12 +961,49 @@ _GL_WARN_ON_USE (endusershell, "endusershell is unportable - " #endif +#if @GNULIB_GROUP_MEMBER@ +/* Determine whether group id is in calling user's group list. */ +# if !@HAVE_GROUP_MEMBER@ +_GL_FUNCDECL_SYS (group_member, int, (gid_t gid)); +# endif +_GL_CXXALIAS_SYS (group_member, int, (gid_t gid)); +_GL_CXXALIASWARN (group_member); +#elif defined GNULIB_POSIXCHECK +# undef group_member +# if HAVE_RAW_DECL_GROUP_MEMBER +_GL_WARN_ON_USE (group_member, "group_member is unportable - " + "use gnulib module group-member for portability"); +# endif +#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. Return 0 if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/lchown.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */ # if @REPLACE_LCHOWN@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lchown @@ -867,8 +1032,8 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - " #if @GNULIB_LINK@ /* Create a new hard link for an existing file. Return 0 if successful, otherwise -1 and errno set. - See POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/link.html>. */ + See POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */ # if @REPLACE_LINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define link rpl_link @@ -933,8 +1098,8 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - " #if @GNULIB_LSEEK@ /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. Return the new offset if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/lseek.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */ # if @REPLACE_LSEEK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define lseek rpl_lseek @@ -954,6 +1119,24 @@ _GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some " #endif +#if @GNULIB_PIPE@ +/* Create a pipe, defaulting to O_BINARY mode. + Store the read-end as fd[0] and the write-end as fd[1]. + Return 0 upon success, or -1 with errno set upon failure. */ +# if !@HAVE_PIPE@ +_GL_FUNCDECL_SYS (pipe, int, (int fd[2]) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (pipe, int, (int fd[2])); +_GL_CXXALIASWARN (pipe); +#elif defined GNULIB_POSIXCHECK +# undef pipe +# if HAVE_RAW_DECL_PIPE +_GL_WARN_ON_USE (pipe, "pipe is unportable - " + "use gnulib module pipe-posix for portability"); +# endif +#endif + + #if @GNULIB_PIPE2@ /* Create a pipe, applying the given flags when opening the read-end of the pipe and the write-end of the pipe. @@ -986,10 +1169,12 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - " #if @GNULIB_PREAD@ /* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET. Return the number of bytes placed into BUF if successful, otherwise - set errno and return -1. 0 indicates EOF. See the POSIX:2001 - specification <http://www.opengroup.org/susv3xsh/pread.html>. */ + set errno and return -1. 0 indicates EOF. + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */ # if @REPLACE_PREAD@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef pread # define pread rpl_pread # endif _GL_FUNCDECL_RPL (pread, ssize_t, @@ -1016,12 +1201,69 @@ _GL_WARN_ON_USE (pread, "pread is unportable - " #endif +#if @GNULIB_PWRITE@ +/* Write at most BUFSIZE bytes from BUF into FD, starting at OFFSET. + Return the number of bytes written if successful, otherwise + set errno and return -1. 0 indicates nothing written. See the + POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */ +# if @REPLACE_PWRITE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef pwrite +# define pwrite rpl_pwrite +# endif +_GL_FUNCDECL_RPL (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset)); +# else +# if !@HAVE_PWRITE@ +_GL_FUNCDECL_SYS (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (pwrite, ssize_t, + (int fd, const void *buf, size_t bufsize, off_t offset)); +# endif +_GL_CXXALIASWARN (pwrite); +#elif defined GNULIB_POSIXCHECK +# undef pwrite +# if HAVE_RAW_DECL_PWRITE +_GL_WARN_ON_USE (pwrite, "pwrite is unportable - " + "use gnulib module pwrite for portability"); +# endif +#endif + + +#if @GNULIB_READ@ +/* Read up to COUNT bytes from file descriptor FD into the buffer starting + at BUF. See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */ +# if @REPLACE_READ@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef read +# define read rpl_read +# endif +_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count)); +# else +/* Need to cast, because on mingw, the third parameter is + unsigned int count + and the return type is 'int'. */ +_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count)); +# endif +_GL_CXXALIASWARN (read); +#endif + + #if @GNULIB_READLINK@ /* Read the contents of the symbolic link FILE and place the first BUFSIZE bytes of it into BUF. Return the number of bytes placed into BUF if successful, otherwise -1 and errno set. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/readlink.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */ # if @REPLACE_READLINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define readlink rpl_readlink @@ -1051,19 +1293,30 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - " #if @GNULIB_READLINKAT@ -# if !@HAVE_READLINKAT@ +# if @REPLACE_READLINKAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define readlinkat rpl_readlinkat +# endif +_GL_FUNCDECL_RPL (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len) + _GL_ARG_NONNULL ((2, 3))); +_GL_CXXALIAS_RPL (readlinkat, ssize_t, + (int fd, char const *file, char *buf, size_t len)); +# else +# if !@HAVE_READLINKAT@ _GL_FUNCDECL_SYS (readlinkat, ssize_t, (int fd, char const *file, char *buf, size_t len) _GL_ARG_NONNULL ((2, 3))); -# endif +# endif _GL_CXXALIAS_SYS (readlinkat, ssize_t, (int fd, char const *file, char *buf, size_t len)); +# endif _GL_CXXALIASWARN (readlinkat); #elif defined GNULIB_POSIXCHECK # undef readlinkat # if HAVE_RAW_DECL_READLINKAT _GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - " - "use gnulib module symlinkat for portability"); + "use gnulib module readlinkat for portability"); # endif #endif @@ -1089,11 +1342,38 @@ _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. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/sleep.html>. */ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */ # if @REPLACE_SLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef sleep @@ -1144,13 +1424,25 @@ _GL_WARN_ON_USE (symlink, "symlink is not portable - " #if @GNULIB_SYMLINKAT@ -# if !@HAVE_SYMLINKAT@ +# if @REPLACE_SYMLINKAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef symlinkat +# define symlinkat rpl_symlinkat +# endif +_GL_FUNCDECL_RPL (symlinkat, int, + (char const *contents, int fd, char const *file) + _GL_ARG_NONNULL ((1, 3))); +_GL_CXXALIAS_RPL (symlinkat, int, + (char const *contents, int fd, char const *file)); +# else +# if !@HAVE_SYMLINKAT@ _GL_FUNCDECL_SYS (symlinkat, int, (char const *contents, int fd, char const *file) _GL_ARG_NONNULL ((1, 3))); -# endif +# endif _GL_CXXALIAS_SYS (symlinkat, int, (char const *contents, int fd, char const *file)); +# endif _GL_CXXALIASWARN (symlinkat); #elif defined GNULIB_POSIXCHECK # undef symlinkat @@ -1174,7 +1466,7 @@ _GL_FUNCDECL_RPL (ttyname_r, int, _GL_CXXALIAS_RPL (ttyname_r, int, (int fd, char *buf, size_t buflen)); # else -# if !@HAVE_TTYNAME_R@ +# if !@HAVE_DECL_TTYNAME_R@ _GL_FUNCDECL_SYS (ttyname_r, int, (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); # endif @@ -1242,7 +1534,7 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - " /* Pause the execution of the current thread for N microseconds. Returns 0 on completion, or -1 on range error. See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/sleep.html>. */ + <http://www.opengroup.org/susv3xsh/usleep.html>. */ # if @REPLACE_USLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef usleep @@ -1268,9 +1560,9 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " #if @GNULIB_WRITE@ /* Write up to COUNT bytes starting at BUF to file descriptor FD. - See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/write.html>. */ -# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ + See the POSIX:2008 specification + <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */ +# if @REPLACE_WRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef write # define write rpl_write @@ -1287,6 +1579,8 @@ _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); _GL_CXXALIASWARN (write); #endif +_GL_INLINE_HEADER_END -#endif /* _GL_UNISTD_H */ -#endif /* _GL_UNISTD_H */ +#endif /* _@GUARD_PREFIX@_UNISTD_H */ +#endif /* _GL_INCLUDING_UNISTD_H */ +#endif /* _@GUARD_PREFIX@_UNISTD_H */ |