diff options
Diffstat (limited to 'gnulib/lib/unistd.in.h')
| -rw-r--r-- | gnulib/lib/unistd.in.h | 219 |
1 files changed, 216 insertions, 3 deletions
diff --git a/gnulib/lib/unistd.in.h b/gnulib/lib/unistd.in.h index 1021d4173..8bc3abfbc 100644 --- a/gnulib/lib/unistd.in.h +++ b/gnulib/lib/unistd.in.h @@ -1,5 +1,5 @@ /* Substitute for and wrapper around <unistd.h>. - Copyright (C) 2004-2008 Free Software Foundation, Inc. + Copyright (C) 2003-2008 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 @@ -17,6 +17,10 @@ #ifndef _GL_UNISTD_H +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif + /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ @@ -33,6 +37,52 @@ /* mingw fails to declare _exit in <unistd.h>. */ #include <stdlib.h> +#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +/* Get ssize_t. */ +# include <sys/types.h> +#endif + +#if @GNULIB_GETHOSTNAME@ +/* Get all possible declarations of gethostname(). */ +# if @UNISTD_H_HAVE_WINSOCK2_H@ +# include <winsock2.h> +# if !defined _GL_SYS_SOCKET_H +# 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 +# endif +# if !defined _GL_SYS_SELECT_H +# undef select +# define select select_used_without_including_sys_select_h +# endif +# endif +#endif + /* The definition of GL_LINK_WARNING is copied here. */ @@ -68,6 +118,29 @@ extern int chown (const char *file, uid_t uid, gid_t gid); #endif +#if @GNULIB_CLOSE@ +# if @UNISTD_H_HAVE_WINSOCK2_H@ +/* Need a gnulib internal function. */ +# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1 +# endif +# if @REPLACE_CLOSE@ +/* Automatically included by modules that need a replacement for close. */ +# undef close +# define close rpl_close +extern int close (int); +# endif +#elif @UNISTD_H_HAVE_WINSOCK2_H@ +# undef close +# define close close_used_without_requesting_gnulib_module_close +#elif defined GNULIB_POSIXCHECK +# undef close +# define close(f) \ + (GL_LINK_WARNING ("close does not portably work on sockets - " \ + "use gnulib module close for portability"), \ + close (f)) +#endif + + #if @GNULIB_DUP2@ # if !@HAVE_DUP2@ /* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if @@ -106,6 +179,21 @@ extern char **environ; #endif +#if @GNULIB_EUIDACCESS@ +# if !@HAVE_EUIDACCESS@ +/* Like access(), except that is uses the effective user id and group id of + the current process. */ +extern int euidaccess (const char *filename, int mode); +# endif +#elif defined GNULIB_POSIXCHECK +# undef euidaccess +# define euidaccess(f,m) \ + (GL_LINK_WARNING ("euidaccess is unportable - " \ + "use gnulib module euidaccess for portability"), \ + euidaccess (f, m)) +#endif + + #if @GNULIB_FCHDIR@ # if @REPLACE_FCHDIR@ @@ -116,8 +204,6 @@ extern char **environ; <http://www.opengroup.org/susv3xsh/fchdir.html>. */ extern int fchdir (int /*fd*/); -# define close rpl_close -extern int close (int); # define dup rpl_dup extern int dup (int); # define dup2 rpl_dup2 @@ -133,6 +219,23 @@ extern int dup2 (int, int); #endif +#if @GNULIB_FSYNC@ +/* 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>. */ +# if !@HAVE_FSYNC@ +extern int fsync (int fd); +# endif +#elif defined GNULIB_POSIXCHECK +# undef fsync +# define fsync(fd) \ + (GL_LINK_WARNING ("fsync is unportable - " \ + "use gnulib module fsync for portability"), \ + fsync (fd)) +#endif + + #if @GNULIB_FTRUNCATE@ # if !@HAVE_FTRUNCATE@ /* Change the size of the file to which FD is opened to become equal to LENGTH. @@ -177,6 +280,70 @@ extern char * getcwd (char *buf, size_t size); #endif +#if @GNULIB_GETDOMAINNAME@ +/* Return the NIS domain name of the machine. + WARNING! The NIS domain name is unrelated to the fully qualified host name + of the machine. It is also unrelated to email addresses. + WARNING! The NIS domain name is usually the empty string or "(none)" when + not using NIS. + + Put up to LEN bytes of the NIS domain name into NAME. + 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@ +extern int getdomainname(char *name, size_t len); +# endif +#elif defined GNULIB_POSIXCHECK +# undef getdomainname +# define getdomainname(n,l) \ + (GL_LINK_WARNING ("getdomainname is unportable - " \ + "use gnulib module getdomainname for portability"), \ + getdomainname (n, l)) +#endif + + +#if @GNULIB_GETDTABLESIZE@ +# if !@HAVE_GETDTABLESIZE@ +/* Return the maximum number of file descriptors in the current process. */ +extern int getdtablesize (void); +# endif +#elif defined GNULIB_POSIXCHECK +# undef getdtablesize +# define getdtablesize() \ + (GL_LINK_WARNING ("getdtablesize is unportable - " \ + "use gnulib module getdtablesize for portability"), \ + getdtablesize ()) +#endif + + +#if @GNULIB_GETHOSTNAME@ +/* Return the standard host name of the machine. + WARNING! The host name may or may not be fully qualified. + + Put up to LEN bytes of the host name into NAME. + Null terminate it if the name is shorter than LEN. + If the host name is longer than LEN, set errno = EINVAL and return -1. + Return 0 if successful, otherwise set errno and return -1. */ +# if @UNISTD_H_HAVE_WINSOCK2_H@ +# undef gethostname +# define gethostname rpl_gethostname +# endif +# if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@ +extern int gethostname(char *name, size_t len); +# endif +#elif @UNISTD_H_HAVE_WINSOCK2_H@ +# undef gethostname +# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname +#elif defined GNULIB_POSIXCHECK +# undef gethostname +# define gethostname(n,l) \ + (GL_LINK_WARNING ("gethostname is unportable - " \ + "use gnulib module gethostname for portability"), \ + gethostname (n, l)) +#endif + + #if @GNULIB_GETLOGIN_R@ /* Copies the user's login name to NAME. The array pointed to by NAME has room for SIZE bytes. @@ -258,6 +425,36 @@ extern int getpagesize (void); #endif +#if @GNULIB_GETUSERSHELL@ +# if !@HAVE_GETUSERSHELL@ +/* Return the next valid login shell on the system, or NULL when the end of + the list has been reached. */ +extern char *getusershell (void); +/* Rewind to pointer that is advanced at each getusershell() call. */ +extern void setusershell (void); +/* Free the pointer that is advanced at each getusershell() call and + associated resources. */ +extern void endusershell (void); +# endif +#elif defined GNULIB_POSIXCHECK +# undef getusershell +# define getusershell() \ + (GL_LINK_WARNING ("getusershell is unportable - " \ + "use gnulib module getusershell for portability"), \ + getusershell ()) +# undef setusershell +# define setusershell() \ + (GL_LINK_WARNING ("setusershell is unportable - " \ + "use gnulib module getusershell for portability"), \ + setusershell ()) +# undef endusershell +# define endusershell() \ + (GL_LINK_WARNING ("endusershell is unportable - " \ + "use gnulib module getusershell for portability"), \ + endusershell ()) +#endif + + #if @GNULIB_LCHOWN@ # if @REPLACE_LCHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE @@ -331,6 +528,22 @@ extern unsigned int sleep (unsigned int n); #endif +#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +/* Write up to COUNT bytes starting at BUF to file descriptor FD. + See the POSIX:2001 specification + <http://www.opengroup.org/susv3xsh/write.html>. */ +# undef write +# define write rpl_write +extern ssize_t write (int fd, const void *buf, size_t count); +#endif + + +#ifdef FCHDIR_REPLACEMENT +/* gnulib internal function. */ +extern void _gl_unregister_fd (int fd); +#endif + + #ifdef __cplusplus } #endif |