1/* Provide a more complete sys/time.h.
2
3   Copyright (C) 2007-2014 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
17
18/* Written by Paul Eggert.  */
19
20#ifndef _@GUARD_PREFIX@_SYS_TIME_H
21
22#if __GNUC__ >= 3
23@PRAGMA_SYSTEM_HEADER@
24#endif
25@PRAGMA_COLUMNS@
26
27/* On Cygwin and on many BSDish systems, <sys/time.h> includes itself
28   recursively via <sys/select.h>.
29   Simply delegate to the system's header in this case; it is a no-op.
30   Without this extra ifdef, the C++ gettimeofday declaration below
31   would be a forward declaration in gnulib's nested <sys/time.h>.  */
32#if defined _CYGWIN_SYS_TIME_H || defined _SYS_TIME_H || defined _SYS_TIME_H_
33# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
34#else
35
36/* The include_next requires a split double-inclusion guard.  */
37#if @HAVE_SYS_TIME_H@
38# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
39#endif
40
41#ifndef _@GUARD_PREFIX@_SYS_TIME_H
42#define _@GUARD_PREFIX@_SYS_TIME_H
43
44#if ! @HAVE_SYS_TIME_H@
45# include <time.h>
46#endif
47
48/* On native Windows with MSVC, get the 'struct timeval' type.
49   Also, on native Windows with a 64-bit time_t, where we are overriding the
50   'struct timeval' type, get all declarations of system functions whose
51   signature contains 'struct timeval'.  */
52#if (defined _MSC_VER || @REPLACE_STRUCT_TIMEVAL@) && @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
53# define _GL_INCLUDING_WINSOCK2_H
54# include <winsock2.h>
55# undef _GL_INCLUDING_WINSOCK2_H
56#endif
57
58/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
59
60/* The definition of _GL_ARG_NONNULL is copied here.  */
61
62/* The definition of _GL_WARN_ON_USE is copied here.  */
63
64#ifdef __cplusplus
65extern "C" {
66#endif
67
68#if !@HAVE_STRUCT_TIMEVAL@ || @REPLACE_STRUCT_TIMEVAL@
69
70# if @REPLACE_STRUCT_TIMEVAL@
71#  define timeval rpl_timeval
72# endif
73
74# if !GNULIB_defined_struct_timeval
75struct timeval
76{
77  time_t tv_sec;
78  long int tv_usec;
79};
80#  define GNULIB_defined_struct_timeval 1
81# endif
82
83#endif
84
85#ifdef __cplusplus
86}
87#endif
88
89#if @GNULIB_GETTIMEOFDAY@
90# if @REPLACE_GETTIMEOFDAY@
91#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
92#   undef gettimeofday
93#   define gettimeofday rpl_gettimeofday
94#  endif
95_GL_FUNCDECL_RPL (gettimeofday, int,
96                  (struct timeval *restrict, void *restrict)
97                  _GL_ARG_NONNULL ((1)));
98_GL_CXXALIAS_RPL (gettimeofday, int,
99                  (struct timeval *restrict, void *restrict));
100# else
101#  if !@HAVE_GETTIMEOFDAY@
102_GL_FUNCDECL_SYS (gettimeofday, int,
103                  (struct timeval *restrict, void *restrict)
104                  _GL_ARG_NONNULL ((1)));
105#  endif
106/* Need to cast, because on glibc systems, by default, the second argument is
107                                                  struct timezone *.  */
108_GL_CXXALIAS_SYS_CAST (gettimeofday, int,
109                       (struct timeval *restrict, void *restrict));
110# endif
111_GL_CXXALIASWARN (gettimeofday);
112#elif defined GNULIB_POSIXCHECK
113# undef gettimeofday
114# if HAVE_RAW_DECL_GETTIMEOFDAY
115_GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
116                 "use gnulib module gettimeofday for portability");
117# endif
118#endif
119
120/* Hide some function declarations from <winsock2.h>.  */
121
122#if defined _MSC_VER && @HAVE_WINSOCK2_H@
123# if !defined _@GUARD_PREFIX@_UNISTD_H
124#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
125#   undef close
126#   define close close_used_without_including_unistd_h
127#  else
128     _GL_WARN_ON_USE (close,
129                      "close() used without including <unistd.h>");
130#  endif
131#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
132#   undef gethostname
133#   define gethostname gethostname_used_without_including_unistd_h
134#  else
135     _GL_WARN_ON_USE (gethostname,
136                      "gethostname() used without including <unistd.h>");
137#  endif
138# endif
139# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
140#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
141#   undef socket
142#   define socket              socket_used_without_including_sys_socket_h
143#   undef connect
144#   define connect             connect_used_without_including_sys_socket_h
145#   undef accept
146#   define accept              accept_used_without_including_sys_socket_h
147#   undef bind
148#   define bind                bind_used_without_including_sys_socket_h
149#   undef getpeername
150#   define getpeername         getpeername_used_without_including_sys_socket_h
151#   undef getsockname
152#   define getsockname         getsockname_used_without_including_sys_socket_h
153#   undef getsockopt
154#   define getsockopt          getsockopt_used_without_including_sys_socket_h
155#   undef listen
156#   define listen              listen_used_without_including_sys_socket_h
157#   undef recv
158#   define recv                recv_used_without_including_sys_socket_h
159#   undef send
160#   define send                send_used_without_including_sys_socket_h
161#   undef recvfrom
162#   define recvfrom            recvfrom_used_without_including_sys_socket_h
163#   undef sendto
164#   define sendto              sendto_used_without_including_sys_socket_h
165#   undef setsockopt
166#   define setsockopt          setsockopt_used_without_including_sys_socket_h
167#   undef shutdown
168#   define shutdown            shutdown_used_without_including_sys_socket_h
169#  else
170     _GL_WARN_ON_USE (socket,
171                      "socket() used without including <sys/socket.h>");
172     _GL_WARN_ON_USE (connect,
173                      "connect() used without including <sys/socket.h>");
174     _GL_WARN_ON_USE (accept,
175                      "accept() used without including <sys/socket.h>");
176     _GL_WARN_ON_USE (bind,
177                      "bind() used without including <sys/socket.h>");
178     _GL_WARN_ON_USE (getpeername,
179                      "getpeername() used without including <sys/socket.h>");
180     _GL_WARN_ON_USE (getsockname,
181                      "getsockname() used without including <sys/socket.h>");
182     _GL_WARN_ON_USE (getsockopt,
183                      "getsockopt() used without including <sys/socket.h>");
184     _GL_WARN_ON_USE (listen,
185                      "listen() used without including <sys/socket.h>");
186     _GL_WARN_ON_USE (recv,
187                      "recv() used without including <sys/socket.h>");
188     _GL_WARN_ON_USE (send,
189                      "send() used without including <sys/socket.h>");
190     _GL_WARN_ON_USE (recvfrom,
191                      "recvfrom() used without including <sys/socket.h>");
192     _GL_WARN_ON_USE (sendto,
193                      "sendto() used without including <sys/socket.h>");
194     _GL_WARN_ON_USE (setsockopt,
195                      "setsockopt() used without including <sys/socket.h>");
196     _GL_WARN_ON_USE (shutdown,
197                      "shutdown() used without including <sys/socket.h>");
198#  endif
199# endif
200# if !defined _@GUARD_PREFIX@_SYS_SELECT_H
201#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
202#   undef select
203#   define select select_used_without_including_sys_select_h
204#  else
205     _GL_WARN_ON_USE (select,
206                      "select() used without including <sys/select.h>");
207#  endif
208# endif
209#endif
210
211#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
212#endif /* _CYGWIN_SYS_TIME_H */
213#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
214