225 lines
7.8 KiB
C
225 lines
7.8 KiB
C
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/* Provide a more complete sys/time.h.
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Copyright (C) 2007-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert. */
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#ifndef _@GUARD_PREFIX@_SYS_TIME_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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/* On Cygwin and on many BSDish systems, <sys/time.h> includes itself
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recursively via <sys/select.h>.
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Simply delegate to the system's header in this case; it is a no-op.
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Without this extra ifdef, the C++ gettimeofday declaration below
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would be a forward declaration in gnulib's nested <sys/time.h>. */
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#if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_
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# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
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#else
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/* The include_next requires a split double-inclusion guard. */
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#if @HAVE_SYS_TIME_H@
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# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
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#endif
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#ifndef _@GUARD_PREFIX@_SYS_TIME_H
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#define _@GUARD_PREFIX@_SYS_TIME_H
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#if ! @HAVE_SYS_TIME_H@
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# include <time.h>
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#endif
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/* On native Windows with MSVC, get the 'struct timeval' type.
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Also, on native Windows with a 64-bit time_t, where we are overriding the
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'struct timeval' type, get all declarations of system functions whose
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signature contains 'struct timeval'. */
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#if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
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# define _GL_INCLUDING_WINSOCK2_H
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# include <winsock2.h>
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# undef _GL_INCLUDING_WINSOCK2_H
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#endif
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/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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/* The definition of _GL_ARG_NONNULL is copied here. */
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/* The definition of _GL_WARN_ON_USE is copied here. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
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# if @REPLACE_STRUCT_TIMEVAL@
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# define timeval rpl_timeval
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# endif
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# if !GNULIB_defined_struct_timeval
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struct timeval
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{
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time_t tv_sec;
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long int tv_usec;
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};
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# define GNULIB_defined_struct_timeval 1
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# endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#if @GNULIB_GETTIMEOFDAY@
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# if @REPLACE_GETTIMEOFDAY@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef gettimeofday
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# define gettimeofday rpl_gettimeofday
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# endif
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_GL_FUNCDECL_RPL (gettimeofday, int,
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(struct timeval *restrict, void *restrict)
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_GL_ARG_NONNULL ((1)));
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_GL_CXXALIAS_RPL (gettimeofday, int,
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(struct timeval *restrict, void *restrict));
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# else
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# if !@HAVE_GETTIMEOFDAY@
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_GL_FUNCDECL_SYS (gettimeofday, int,
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(struct timeval *restrict, void *restrict)
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_GL_ARG_NONNULL ((1)));
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# endif
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/* Need to cast, because on glibc systems, by default, the second argument is
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struct timezone *. */
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_GL_CXXALIAS_SYS_CAST (gettimeofday, int,
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(struct timeval *restrict, void *restrict));
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# endif
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_GL_CXXALIASWARN (gettimeofday);
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# if defined __cplusplus && defined GNULIB_NAMESPACE
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namespace GNULIB_NAMESPACE {
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typedef ::timeval
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# undef timeval
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timeval;
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# if @REPLACE_STRUCT_TIMEVAL@
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# define timeval rpl_timeval
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typedef ::timeval timeval;
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# endif
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}
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef gettimeofday
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# if HAVE_RAW_DECL_GETTIMEOFDAY
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_GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
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"use gnulib module gettimeofday for portability");
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# endif
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#endif
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/* Hide some function declarations from <winsock2.h>. */
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#if defined _MSC_VER && @HAVE_WINSOCK2_H@
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# if !defined _@GUARD_PREFIX@_UNISTD_H
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef close
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# define close close_used_without_including_unistd_h
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# elif !defined __clang__
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_GL_WARN_ON_USE (close,
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"close() used without including <unistd.h>");
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# endif
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef gethostname
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# define gethostname gethostname_used_without_including_unistd_h
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# else
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_GL_WARN_ON_USE (gethostname,
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"gethostname() used without including <unistd.h>");
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# endif
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# endif
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# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef socket
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# define socket socket_used_without_including_sys_socket_h
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# undef connect
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# define connect connect_used_without_including_sys_socket_h
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# undef accept
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# define accept accept_used_without_including_sys_socket_h
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# undef bind
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# define bind bind_used_without_including_sys_socket_h
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# undef getpeername
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# define getpeername getpeername_used_without_including_sys_socket_h
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# undef getsockname
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# define getsockname getsockname_used_without_including_sys_socket_h
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# undef getsockopt
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# define getsockopt getsockopt_used_without_including_sys_socket_h
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# undef listen
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# define listen listen_used_without_including_sys_socket_h
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# undef recv
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# define recv recv_used_without_including_sys_socket_h
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# undef send
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# define send send_used_without_including_sys_socket_h
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# undef recvfrom
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# define recvfrom recvfrom_used_without_including_sys_socket_h
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# undef sendto
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# define sendto sendto_used_without_including_sys_socket_h
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# undef setsockopt
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# define setsockopt setsockopt_used_without_including_sys_socket_h
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# undef shutdown
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# define shutdown shutdown_used_without_including_sys_socket_h
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# else
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_GL_WARN_ON_USE (socket,
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"socket() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (connect,
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"connect() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (accept,
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"accept() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (bind,
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"bind() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getpeername,
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"getpeername() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getsockname,
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"getsockname() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (getsockopt,
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"getsockopt() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (listen,
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"listen() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (recv,
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"recv() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (send,
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"send() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (recvfrom,
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"recvfrom() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (sendto,
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"sendto() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (setsockopt,
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"setsockopt() used without including <sys/socket.h>");
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_GL_WARN_ON_USE (shutdown,
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"shutdown() used without including <sys/socket.h>");
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# endif
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# endif
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# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef select
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# define select select_used_without_including_sys_select_h
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# else
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_GL_WARN_ON_USE (select,
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"select() used without including <sys/select.h>");
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# endif
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# endif
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#endif
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#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
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#endif /* _CYGWIN_SYS_TIME_H */
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#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
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