dhcpd-pools  2.28
ISC dhcpd lease usage analyser
sys_time.in.h
Go to the documentation of this file.
1 /* Provide a more complete sys/time.h.
2 
3  Copyright (C) 2007-2015 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
65 extern "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
75 struct 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
96  (struct timeval *restrict, void *restrict)
97  _GL_ARG_NONNULL ((1)));
99  (struct timeval *restrict, void *restrict));
100 # else
101 # if !@HAVE_GETTIMEOFDAY@
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 *. */
109  (struct timeval *restrict, void *restrict));
110 # endif
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 */
#define _GL_CXXALIAS_SYS_CAST(func, rettype, parameters)
Definition: inet.h:223
#define _GL_FUNCDECL_SYS(func, rettype, parameters_and_attributes)
Definition: inet.h:143
int gettimeofday(struct timeval *restrict tv, void *restrict tz)
Definition: gettimeofday.c:102
time_t tv_sec
Definition: sys_time.in.h:77
long int tv_usec
Definition: sys_time.in.h:78
#define _GL_CXXALIAS_RPL(func, rettype, parameters)
Definition: inet.h:152
_GL_ARG_NONNULL((1)))
Definition: sys_time.in.h:75
#define _GL_CXXALIASWARN(func)
Definition: inet.h:276
#define _GL_FUNCDECL_RPL(func, rettype, parameters_and_attributes)
Definition: inet.h:131
#define restrict
Definition: config.h:1761
#define _GL_WARN_ON_USE(function, message)
Definition: inet.h:334