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platform.h
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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef ISC_PLATFORM_H #define ISC_PLATFORM_H 1 /*! \file */ /***** ***** Platform-dependent defines. *****/ /*** *** Network. ***/ /*! \brief * Define if this system needs the <netinet/in6.h> header file included * for full IPv6 support (pretty much only UnixWare). */ #undef ISC_PLATFORM_NEEDNETINETIN6H /*! \brief * Define if this system needs the <netinet6/in6.h> header file included * to support in6_pkinfo (pretty much only BSD/OS). */ #undef ISC_PLATFORM_NEEDNETINET6IN6H /*! \brief * If sockaddrs on this system have an sa_len field, ISC_PLATFORM_HAVESALEN * will be defined. */ #undef ISC_PLATFORM_HAVESALEN /*! \brief * If this system has the IPv6 structure definitions, ISC_PLATFORM_HAVEIPV6 * will be defined. */ #define ISC_PLATFORM_HAVEIPV6 1 /*! \brief * If this system is missing in6addr_any, ISC_PLATFORM_NEEDIN6ADDRANY will * be defined. */ #undef ISC_PLATFORM_NEEDIN6ADDRANY /*! \brief * If this system is missing in6addr_loopback, ISC_PLATFORM_NEEDIN6ADDRLOOPBACK * will be defined. */ #undef ISC_PLATFORM_NEEDIN6ADDRLOOPBACK /*! \brief * If this system has in6_pktinfo, ISC_PLATFORM_HAVEIN6PKTINFO will be * defined. */ #define ISC_PLATFORM_HAVEIN6PKTINFO 1 /*! \brief * If this system has in_addr6, rather than in6_addr, ISC_PLATFORM_HAVEINADDR6 * will be defined. */ #undef ISC_PLATFORM_HAVEINADDR6 /*! \brief * If this system has sin6_scope_id, ISC_PLATFORM_HAVESCOPEID will be defined. */ #define ISC_PLATFORM_HAVESCOPEID 1 /*! \brief * If this system needs inet_ntop(), ISC_PLATFORM_NEEDNTOP will be defined. */ #undef ISC_PLATFORM_NEEDNTOP /*! \brief * If this system needs inet_pton(), ISC_PLATFORM_NEEDPTON will be defined. */ #undef ISC_PLATFORM_NEEDPTON /*! \brief * If this system needs in_port_t, ISC_PLATFORM_NEEDPORTT will be defined. */ #undef ISC_PLATFORM_NEEDPORTT /*! \brief * Define if the system has struct lifconf which is a extended struct ifconf * for IPv6. */ #undef ISC_PLATFORM_HAVELIFCONF /*! \brief * Define if the system has struct if_laddrconf which is a extended struct * ifconf for IPv6. */ #undef ISC_PLATFORM_HAVEIF_LADDRCONF /*! \brief * Define if the system has struct if_laddrreq. */ #undef ISC_PLATFORM_HAVEIF_LADDRREQ /*! \brief * Define either ISC_PLATFORM_BSD44MSGHDR or ISC_PLATFORM_BSD43MSGHDR. */ #define ISC_NET_BSD44MSGHDR 1 /*! \brief * Define if the system supports if_nametoindex. */ #define ISC_PLATFORM_HAVEIFNAMETOINDEX 1 /*! \brief * Define on some UnixWare systems to fix erroneous definitions of various * IN6_IS_ADDR_* macros. */ #undef ISC_PLATFORM_FIXIN6ISADDR /*! \brief * Define if the system has struct sockaddr_storage. */ #define ISC_PLATFORM_HAVESOCKADDRSTORAGE 1 /*! \brief * Define if the system has TCP_FASTOPEN socket option. */ #define ISC_PLATFORM_HAVETFO 1 /*! \brief * Define if the system supports kqueue multiplexing */ #undef ISC_PLATFORM_HAVEKQUEUE /*! \brief * Define if the system supports epoll multiplexing */ #define ISC_PLATFORM_HAVEEPOLL 1 /*! \brief * Define if the system supports /dev/poll multiplexing */ #undef ISC_PLATFORM_HAVEDEVPOLL /*! \brief * Define if we want to log backtrace */ #define ISC_PLATFORM_USEBACKTRACE 1 /* *** Printing. ***/ /*! \brief * If this system needs vsnprintf() and snprintf(), ISC_PLATFORM_NEEDVSNPRINTF * will be defined. */ #undef ISC_PLATFORM_NEEDVSNPRINTF /*! \brief * If this system need a modern sprintf() that returns (int) not (char*). */ #undef ISC_PLATFORM_NEEDSPRINTF /*! \brief * If this system need a modern printf() that format size %z (size_t). */ #undef ISC_PLATFORM_NEEDPRINTF /*! \brief * If this system need a modern fprintf() that format size %z (size_t). */ #undef ISC_PLATFORM_NEEDFPRINTF /*** *** String functions. ***/ /* * If the system needs strsep(), ISC_PLATFORM_NEEDSTRSEP will be defined. */ #undef ISC_PLATFORM_NEEDSTRSEP /* * If the system needs strlcpy(), ISC_PLATFORM_NEEDSTRLCPY will be defined. */ #define ISC_PLATFORM_NEEDSTRLCPY 1 /* * If the system needs strlcat(), ISC_PLATFORM_NEEDSTRLCAT will be defined. */ #define ISC_PLATFORM_NEEDSTRLCAT 1 /* * Define if this system needs strtoul. */ #undef ISC_PLATFORM_NEEDSTRTOUL /* * Define if this system needs memmove. */ #undef ISC_PLATFORM_NEEDMEMMOVE /* * Define if this system needs strcasestr. */ #undef ISC_PLATFORM_NEEDSTRCASESTR /*** *** System limitations ***/ #include <limits.h> #ifndef NAME_MAX #define NAME_MAX 256 #endif #ifndef PATH_MAX #define PATH_MAX 1024 #endif #ifndef IOV_MAX #define IOV_MAX 1024 #endif /*** *** Miscellaneous. ***/ /* * Defined if we are using threads. */ #define ISC_PLATFORM_USETHREADS 1 /* * Defined if unistd.h does not cause fd_set to be declared. */ #undef ISC_PLATFORM_NEEDSYSSELECTH /* * Defined to <gssapi.h> or <gssapi/gssapi.h> for how to include * the GSSAPI header. */ #define ISC_PLATFORM_GSSAPIHEADER <gssapi/gssapi.h> /* * Defined to <gssapi_krb5.h> or <gssapi/gssapi_krb5.h> for how to * include the GSSAPI KRB5 header. */ #define ISC_PLATFORM_GSSAPI_KRB5_HEADER <gssapi/gssapi_krb5.h> /* * Defined to <krb5.h> or <krb5/krb5.h> for how to include * the KRB5 header. */ #define ISC_PLATFORM_KRB5HEADER <krb5/krb5.h> /* * Define if the system has nanosecond-level accuracy in file stats. */ #define ISC_PLATFORM_HAVESTATNSEC 1 /* * Type used for resource limits. */ #define ISC_PLATFORM_RLIMITTYPE rlim_t /* * Define if your compiler supports "long long int". */ #define ISC_PLATFORM_HAVELONGLONG 1 /* * Define if PTHREAD_ONCE_INIT should be surrounded by braces to * prevent compiler warnings (such as with gcc on Solaris 2.8). */ #undef ISC_PLATFORM_BRACEPTHREADONCEINIT /* * Used to control how extern data is linked; needed for Win32 platforms. */ #undef ISC_PLATFORM_USEDECLSPEC /* * Define if the platform has <sys/un.h>. */ #define ISC_PLATFORM_HAVESYSUNH 1 /* * If the "xadd" operation is available on this architecture, * ISC_PLATFORM_HAVEXADD will be defined. */ #define ISC_PLATFORM_HAVEXADD 1 /* * If the "xaddq" operation (64bit xadd) is available on this architecture, * ISC_PLATFORM_HAVEXADDQ will be defined. */ /* * If the 64-bit "atomic swap" operation is available on this * architecture, ISC_PLATFORM_HAVEATOMICSTOREQ" will be defined. */ #ifdef __x86_64__ #define ISC_PLATFORM_HAVEXADDQ 1 #define ISC_PLATFORM_HAVEATOMICSTOREQ 1 #else #undef ISC_PLATFORM_HAVEXADDQ #undef ISC_PLATFORM_HAVEATOMICSTOREQ #endif /* * If the 32-bit "atomic swap" operation is available on this * architecture, ISC_PLATFORM_HAVEATOMICSTORE" will be defined. */ #define ISC_PLATFORM_HAVEATOMICSTORE 1 /* * If the "compare-and-exchange" operation is available on this architecture, * ISC_PLATFORM_HAVECMPXCHG will be defined. */ #define ISC_PLATFORM_HAVECMPXCHG 1 /* * If <stdatomic.h> is available on this architecture, * ISC_PLATFORM_HAVESTDATOMIC will be defined. */ #define ISC_PLATFORM_HAVESTDATOMIC 1 /* * Define if gcc ASM extension is available */ #define ISC_PLATFORM_USEGCCASM 1 /* * Define if Tru64 style ASM syntax must be used. */ #undef ISC_PLATFORM_USEOSFASM /* * Define if the standard __asm function must be used. */ #undef ISC_PLATFORM_USESTDASM /* * Define with the busy wait nop asm or function call. */ #define ISC_PLATFORM_BUSYWAITNOP asm("rep; nop") /* * Define if the platform has <strings.h>. */ #define ISC_PLATFORM_HAVESTRINGSH 1 /* * Define if the random functions are provided by crypto. */ #define ISC_PLATFORM_CRYPTORANDOM "openssl" /* * Define if the hash functions must be provided by OpenSSL. */ #define ISC_PLATFORM_OPENSSLHASH 1 /* * Define if AES support is wanted */ #define ISC_PLATFORM_WANTAES 1 /* * Defines for the noreturn attribute. */ #define ISC_PLATFORM_NORETURN_PRE #define ISC_PLATFORM_NORETURN_POST __attribute__((noreturn)) /*** *** Windows dll support. ***/ /* * Define if MacOS style of PPC assembly must be used. * e.g. "r6", not "6", for register six. */ #undef ISC_PLATFORM_USEMACASM #ifndef ISC_PLATFORM_USEDECLSPEC #define LIBISC_EXTERNAL_DATA #define LIBDNS_EXTERNAL_DATA #define LIBISCCC_EXTERNAL_DATA #define LIBISCCFG_EXTERNAL_DATA #define LIBBIND9_EXTERNAL_DATA #define LIBTESTS_EXTERNAL_DATA #else /*! \brief ISC_PLATFORM_USEDECLSPEC */ #ifdef LIBISC_EXPORTS #define LIBISC_EXTERNAL_DATA __declspec(dllexport) #else #define LIBISC_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBDNS_EXPORTS #define LIBDNS_EXTERNAL_DATA __declspec(dllexport) #else #define LIBDNS_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBISCCC_EXPORTS #define LIBISCCC_EXTERNAL_DATA __declspec(dllexport) #else #define LIBISCCC_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBISCCFG_EXPORTS #define LIBISCCFG_EXTERNAL_DATA __declspec(dllexport) #else #define LIBISCCFG_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBBIND9_EXPORTS #define LIBBIND9_EXTERNAL_DATA __declspec(dllexport) #else #define LIBBIND9_EXTERNAL_DATA __declspec(dllimport) #endif #ifdef LIBTESTS_EXPORTS #define LIBTESTS_EXTERNAL_DATA __declspec(dllexport) #else #define LIBTESTS_EXTERNAL_DATA __declspec(dllimport) #endif #endif /*! \brief ISC_PLATFORM_USEDECLSPEC */ /* * Tell emacs to use C mode for this file. * * Local Variables: * mode: c * End: */ #endif /* ISC_PLATFORM_H */
