mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-23 07:19:15 +00:00
225 lines
7.7 KiB
C++
225 lines
7.7 KiB
C++
/* Provide a more complete sys/time.h.
|
|
|
|
Copyright (C) 2007-2020 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
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
/* Written by Paul Eggert. */
|
|
|
|
#ifndef _@GUARD_PREFIX@_SYS_TIME_H
|
|
|
|
#if __GNUC__ >= 3
|
|
@PRAGMA_SYSTEM_HEADER@
|
|
#endif
|
|
@PRAGMA_COLUMNS@
|
|
|
|
/* On Cygwin and on many BSDish systems, <sys/time.h> includes itself
|
|
recursively via <sys/select.h>.
|
|
Simply delegate to the system's header in this case; it is a no-op.
|
|
Without this extra ifdef, the C++ gettimeofday declaration below
|
|
would be a forward declaration in gnulib's nested <sys/time.h>. */
|
|
#if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_
|
|
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
|
|
#else
|
|
|
|
/* The include_next requires a split double-inclusion guard. */
|
|
#if @HAVE_SYS_TIME_H@
|
|
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
|
|
#endif
|
|
|
|
#ifndef _@GUARD_PREFIX@_SYS_TIME_H
|
|
#define _@GUARD_PREFIX@_SYS_TIME_H
|
|
|
|
#if ! @HAVE_SYS_TIME_H@
|
|
# include <time.h>
|
|
#endif
|
|
|
|
/* On native Windows with MSVC, get the 'struct timeval' type.
|
|
Also, on native Windows with a 64-bit time_t, where we are overriding the
|
|
'struct timeval' type, get all declarations of system functions whose
|
|
signature contains 'struct timeval'. */
|
|
#if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
|
|
# define _GL_INCLUDING_WINSOCK2_H
|
|
# include <winsock2.h>
|
|
# undef _GL_INCLUDING_WINSOCK2_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. */
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
|
|
|
|
# if @REPLACE_STRUCT_TIMEVAL@
|
|
# define timeval rpl_timeval
|
|
# endif
|
|
|
|
# if !GNULIB_defined_struct_timeval
|
|
struct timeval
|
|
{
|
|
time_t tv_sec;
|
|
long int tv_usec;
|
|
};
|
|
# define GNULIB_defined_struct_timeval 1
|
|
# endif
|
|
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#if @GNULIB_GETTIMEOFDAY@
|
|
# if @REPLACE_GETTIMEOFDAY@
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef gettimeofday
|
|
# define gettimeofday rpl_gettimeofday
|
|
# endif
|
|
_GL_FUNCDECL_RPL (gettimeofday, int,
|
|
(struct timeval *restrict, void *restrict)
|
|
_GL_ARG_NONNULL ((1)));
|
|
_GL_CXXALIAS_RPL (gettimeofday, int,
|
|
(struct timeval *restrict, void *restrict));
|
|
# else
|
|
# if !@HAVE_GETTIMEOFDAY@
|
|
_GL_FUNCDECL_SYS (gettimeofday, int,
|
|
(struct timeval *restrict, void *restrict)
|
|
_GL_ARG_NONNULL ((1)));
|
|
# endif
|
|
/* Need to cast, because on glibc systems, by default, the second argument is
|
|
struct timezone *. */
|
|
_GL_CXXALIAS_SYS_CAST (gettimeofday, int,
|
|
(struct timeval *restrict, void *restrict));
|
|
# endif
|
|
_GL_CXXALIASWARN (gettimeofday);
|
|
# if defined __cplusplus && defined GNULIB_NAMESPACE
|
|
namespace GNULIB_NAMESPACE {
|
|
typedef ::timeval
|
|
# undef timeval
|
|
timeval;
|
|
# if @REPLACE_STRUCT_TIMEVAL@
|
|
# define timeval rpl_timeval
|
|
typedef ::timeval timeval;
|
|
# endif
|
|
}
|
|
# endif
|
|
#elif defined GNULIB_POSIXCHECK
|
|
# undef gettimeofday
|
|
# if HAVE_RAW_DECL_GETTIMEOFDAY
|
|
_GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
|
|
"use gnulib module gettimeofday for portability");
|
|
# endif
|
|
#endif
|
|
|
|
/* Hide some function declarations from <winsock2.h>. */
|
|
|
|
#if defined _MSC_VER && @HAVE_WINSOCK2_H@
|
|
# if !defined _@GUARD_PREFIX@_UNISTD_H
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef close
|
|
# define close close_used_without_including_unistd_h
|
|
# else
|
|
_GL_WARN_ON_USE (close,
|
|
"close() used without including <unistd.h>");
|
|
# endif
|
|
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
|
|
# undef gethostname
|
|
# define gethostname gethostname_used_without_including_unistd_h
|
|
# else
|
|
_GL_WARN_ON_USE (gethostname,
|
|
"gethostname() used without including <unistd.h>");
|
|
# endif
|
|
# endif
|
|
# 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
|
|
# 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
|
|
|
|
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
|
|
#endif /* _CYGWIN_SYS_TIME_H */
|
|
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
|