X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Funistd.in.h;h=156e864f3cde59f9071738be2c39d9ccd97bb49c;hb=f9e83fd48cb5c5a0b5a65751710138d42c814402;hp=cc8a629ef19709efeecb754589ffe0ba3f233bbd;hpb=cba80c6666903c7e3dd20c73dc47cd39de29d211;p=gnulib.git diff --git a/lib/unistd.in.h b/lib/unistd.in.h index cc8a629ef..156e864f3 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around . - Copyright (C) 2003-2010 Free Software Foundation, Inc. + Copyright (C) 2003-2011 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 @@ -18,6 +18,7 @@ #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ #endif +@PRAGMA_COLUMNS@ /* Special invocation convention: - On mingw, several headers, including , include , @@ -60,14 +61,16 @@ /* Cygwin 1.7.1 declares symlinkat in , not in . */ /* 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 #endif /* Cygwin 1.7.1 declares unlinkat in , not in . */ /* 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 #endif @@ -85,8 +88,17 @@ # include #endif +/* AIX and OSF/1 5.1 declare getdomainname in , not in . + NonStop Kernel declares gethostname in , not in . */ +/* But avoid namespace pollution on glibc systems. */ +#if ((@GNULIB_GETDOMAINNAME@ && (defined _AIX || defined __osf__)) \ + || (@GNULIB_GETHOSTNAME@ && defined __TANDEM)) \ + && !defined __GLIBC__ +# include +#endif + #if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ - || @GNULIB_PREAD@ || defined GNULIB_POSIXCHECK) + || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK) /* Get ssize_t. */ # include #endif @@ -415,9 +427,8 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification . */ -# if @REPLACE_FCHDIR@ -_GL_FUNCDECL_RPL (fchdir, int, (int /*fd*/)); -_GL_CXXALIAS_RPL (fchdir, int, (int /*fd*/)); +# if ! @HAVE_FCHDIR@ +_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); /* Gnulib internal hooks needed to maintain the fchdir metadata. */ _GL_EXTERN_C int _gl_register_fd (int fd, const char *filename) @@ -427,8 +438,11 @@ _GL_EXTERN_C int _gl_register_dup (int oldfd, int newfd); _GL_EXTERN_C const char *_gl_directory_name (int fd); # else -_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); +# if !@HAVE_DECL_FCHDIR@ +_GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); +# endif # endif +_GL_CXXALIAS_SYS (fchdir, int, (int /*fd*/)); _GL_CXXALIASWARN (fchdir); #elif defined GNULIB_POSIXCHECK # undef fchdir @@ -550,13 +564,21 @@ _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 @@ -634,7 +656,8 @@ _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 @@ -691,13 +714,22 @@ _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 @@ -764,18 +796,23 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void)); # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define getpagesize() _gl_getpagesize () # else +# if !GNULIB_defined_getpagesize_function static inline int getpagesize () { return _gl_getpagesize (); } +# define GNULIB_defined_getpagesize_function 1 +# endif # endif # endif # endif /* Need to cast, because on Cygwin 1.5.x systems, the return type is size_t. */ _GL_CXXALIAS_SYS_CAST (getpagesize, int, (void)); # endif +# if @HAVE_DECL_GETPAGESIZE@ _GL_CXXALIASWARN (getpagesize); +# endif #elif defined GNULIB_POSIXCHECK # undef getpagesize # if HAVE_RAW_DECL_GETPAGESIZE @@ -954,6 +991,24 @@ _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. @@ -1016,6 +1071,40 @@ _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:2001 specification + . */ +# if @REPLACE_PWRITE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# 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_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 @@ -1063,7 +1152,7 @@ _GL_CXXALIASWARN (readlinkat); # 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 @@ -1164,12 +1253,23 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " #if @GNULIB_TTYNAME_R@ /* Store at most BUFLEN characters of the pathname of the terminal FD is open on in BUF. Return 0 on success, otherwise an error number. */ -# if !@HAVE_TTYNAME_R@ +# if @REPLACE_TTYNAME_R@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ttyname_r +# define ttyname_r rpl_ttyname_r +# endif +_GL_FUNCDECL_RPL (ttyname_r, int, + (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (ttyname_r, int, + (int fd, char *buf, size_t buflen)); +# else +# if !@HAVE_DECL_TTYNAME_R@ _GL_FUNCDECL_SYS (ttyname_r, int, (int fd, char *buf, size_t buflen) _GL_ARG_NONNULL ((2))); -# endif +# endif _GL_CXXALIAS_SYS (ttyname_r, int, (int fd, char *buf, size_t buflen)); +# endif _GL_CXXALIASWARN (ttyname_r); #elif defined GNULIB_POSIXCHECK # undef ttyname_r @@ -1268,7 +1368,10 @@ _GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count) _GL_ARG_NONNULL ((2))); _GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count)); # else -_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count)); +/* Need to cast, because on mingw, the third parameter is + unsigned int count + and the return type is 'int'. */ +_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count)); # endif _GL_CXXALIASWARN (write); #endif