X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffcntl.in.h;h=8fb7852204fe6e89189e1cb857430de3cf4dec07;hb=b187ff0528e2a081392a834e684d1d0c161708a7;hp=278f2039f4574c2c1c926c5634664be5964c9785;hpb=4fd7cdb11eef025a6c83c056cad3f29ed5d3161c;p=gnulib.git diff --git a/lib/fcntl.in.h b/lib/fcntl.in.h index 278f2039f..8fb785220 100644 --- a/lib/fcntl.in.h +++ b/lib/fcntl.in.h @@ -1,6 +1,6 @@ /* Like , but with non-working flags defined to 0. - Copyright (C) 2006-2008 Free Software Foundation, Inc. + Copyright (C) 2006-2010 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 @@ -17,36 +17,145 @@ /* written by Paul Eggert */ -#ifndef _GL_FCNTL_H - +#if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ +#endif + +#if defined __need_system_fcntl_h +/* Special invocation convention. */ + +#include +#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ +# include +#endif +#@INCLUDE_NEXT@ @NEXT_FCNTL_H@ + +#else +/* Normal invocation convention. */ + +#ifndef _GL_FCNTL_H #include -#include -#include +#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ +# include +#endif /* The include_next requires a split double-inclusion guard. */ #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ #ifndef _GL_FCNTL_H #define _GL_FCNTL_H +#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ +# include +#endif + + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + /* Declare overridden functions. */ -#ifdef __cplusplus -extern "C" { +#if @GNULIB_FCNTL@ +# if @REPLACE_FCNTL@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef fcntl +# define fcntl rpl_fcntl +# endif +_GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...)); +_GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...)); +# else +# if !@HAVE_FCNTL@ +_GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...)); +# endif +_GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...)); +# endif +_GL_CXXALIASWARN (fcntl); +#elif defined GNULIB_POSIXCHECK +# undef fcntl +# if HAVE_RAW_DECL_FCNTL +_GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - " + "use gnulib module fcntl for portability"); +# endif #endif -#if (@GNULIB_OPEN@ && @REPLACE_OPEN@) || defined FCHDIR_REPLACEMENT +#if @GNULIB_OPEN@ +# if @REPLACE_OPEN@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef open +# define open rpl_open +# endif +_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); +# else +_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); +# endif +_GL_CXXALIASWARN (open); +#elif defined GNULIB_POSIXCHECK # undef open -# define open rpl_open -extern int open (const char *filename, int flags, ...); +/* Assume open is always declared. */ +_GL_WARN_ON_USE (open, "open is not always POSIX compliant - " + "use gnulib module open for portability"); +#endif + +#if @GNULIB_OPENAT@ +# if @REPLACE_OPENAT@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef openat +# define openat rpl_openat +# endif +_GL_FUNCDECL_RPL (openat, int, + (int fd, char const *file, int flags, /* mode_t mode */ ...) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (openat, int, + (int fd, char const *file, int flags, /* mode_t mode */ ...)); +# else +# if !@HAVE_OPENAT@ +_GL_FUNCDECL_SYS (openat, int, + (int fd, char const *file, int flags, /* mode_t mode */ ...) + _GL_ARG_NONNULL ((2))); +# endif +_GL_CXXALIAS_SYS (openat, int, + (int fd, char const *file, int flags, /* mode_t mode */ ...)); +# endif +_GL_CXXALIASWARN (openat); +#elif defined GNULIB_POSIXCHECK +# undef openat +# if HAVE_RAW_DECL_OPENAT +_GL_WARN_ON_USE (openat, "openat is not portable - " + "use gnulib module openat for portability"); +# endif +#endif + + +/* Fix up the FD_* macros, only known to be missing on mingw. */ + +#ifndef FD_CLOEXEC +# define FD_CLOEXEC 1 +#endif + +/* Fix up the supported F_* macros. Intentionally leave other F_* + macros undefined. Only known to be missing on mingw. */ + +#ifndef F_DUPFD_CLOEXEC +# define F_DUPFD_CLOEXEC 0x40000000 +/* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */ +# define GNULIB_defined_F_DUPFD_CLOEXEC 1 +#else +# define GNULIB_defined_F_DUPFD_CLOEXEC 0 #endif -#ifdef __cplusplus -} +#ifndef F_DUPFD +# define F_DUPFD 1 #endif +#ifndef F_GETFD +# define F_GETFD 2 +#endif /* Fix up the O_* macros. */ @@ -55,6 +164,12 @@ extern int open (const char *filename, int flags, ...); # define O_DIRECT O_DIRECTIO #endif +#if !defined O_CLOEXEC && defined O_NOINHERIT +/* Mingw spells it `O_NOINHERIT'. Intentionally leave it + undefined if not available. */ +# define O_CLOEXEC O_NOINHERIT +#endif + #ifndef O_DIRECT # define O_DIRECT 0 #endif @@ -99,6 +214,10 @@ extern int open (const char *filename, int flags, ...); # define O_SYNC 0 #endif +#ifndef O_TTY_INIT +# define O_TTY_INIT 0 +#endif + /* For systems that distinguish between text and binary I/O. O_BINARY is usually declared in fcntl.h */ #if !defined O_BINARY && defined _O_BINARY @@ -107,8 +226,8 @@ extern int open (const char *filename, int flags, ...); # define O_TEXT _O_TEXT #endif -#ifdef __BEOS__ - /* BeOS 5 has O_BINARY and O_TEXT, but they have no effect. */ +#if defined __BEOS__ || defined __HAIKU__ + /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */ # undef O_BINARY # undef O_TEXT #endif @@ -118,6 +237,43 @@ extern int open (const char *filename, int flags, ...); # define O_TEXT 0 #endif +/* Fix up the AT_* macros. */ + +/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its + value exceeds INT_MAX, so its use as an int doesn't conform to the + C standard, and GCC and Sun C complain in some cases. If the bug + is present, undef AT_FDCWD here, so it can be redefined below. */ +#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553 +# undef AT_FDCWD +#endif + +/* Use the same bit pattern as Solaris 9, but with the proper + signedness. The bit pattern is important, in case this actually is + Solaris with the above workaround. */ +#ifndef AT_FDCWD +# define AT_FDCWD (-3041965) +#endif + +/* Use the same values as Solaris 9. This shouldn't matter, but + there's no real reason to differ. */ +#ifndef AT_SYMLINK_NOFOLLOW +# define AT_SYMLINK_NOFOLLOW 4096 +#endif + +#ifndef AT_REMOVEDIR +# define AT_REMOVEDIR 1 +#endif + +/* Solaris 9 lacks these two, so just pick unique values. */ +#ifndef AT_SYMLINK_FOLLOW +# define AT_SYMLINK_FOLLOW 2 +#endif + +#ifndef AT_EACCESS +# define AT_EACCESS 4 +#endif + #endif /* _GL_FCNTL_H */ #endif /* _GL_FCNTL_H */ +#endif