diff options
Diffstat (limited to 'gl/fcntl.in.h')
| -rw-r--r-- | gl/fcntl.in.h | 165 |
1 files changed, 150 insertions, 15 deletions
diff --git a/gl/fcntl.in.h b/gl/fcntl.in.h index fd7520e8..8fb78522 100644 --- a/gl/fcntl.in.h +++ b/gl/fcntl.in.h @@ -1,6 +1,6 @@ /* Like <fcntl.h>, 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 @@ -25,8 +25,9 @@ /* Special invocation convention. */ #include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> +#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ +# include <sys/stat.h> +#endif #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ #else @@ -35,38 +36,126 @@ #ifndef _GL_FCNTL_H #include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> +#ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ +# include <sys/stat.h> +#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 <unistd.h> +#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@ # if @REPLACE_OPEN@ -# undef open -# define open rpl_open -extern int open (const char *filename, int flags, ...); +# 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 +/* Assume open is always declared. */ +_GL_WARN_ON_USE (open, "open is not always POSIX compliant - " + "use gnulib module open for portability"); #endif -#ifdef FCHDIR_REPLACEMENT -/* gnulib internal function. */ -extern void _gl_register_fd (int fd, const char *filename); +#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. */ @@ -75,6 +164,12 @@ extern void _gl_register_fd (int fd, const char *filename); # 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 @@ -119,6 +214,10 @@ extern void _gl_register_fd (int fd, const char *filename); # 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 @@ -138,6 +237,42 @@ extern void _gl_register_fd (int fd, const char *filename); # 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 */ |