/dep/acelite/ace/config-linux-common.h
C++ Header | 438 lines | 236 code | 89 blank | 113 comment | 50 complexity | 70de4cb22ebcce876de6b4c2d18ff89a MD5 | raw file
Possible License(s): BSD-2-Clause, BSD-3-Clause, GPL-2.0, CC-BY-SA-3.0
- /* -*- C++ -*- */
- // $Id: config-linux-common.h 92183 2010-10-08 08:44:15Z olli $
- // Do not use this configuration file directly since it's designed to
- // be included by another, specific configuration file, such as
- // config-linux.h. It provides config information common to all Linux
- // platforms. It automatically determines the CPU architecture,
- // compiler (g++ or egcs), and libc (libc5 or glibc), and configures
- // based on those.
- #ifndef ACE_LINUX_COMMON_H
- #define ACE_LINUX_COMMON_H
- #include /**/ "ace/pre.h"
- #define ACE_HAS_BYTESEX_H
- #if ! defined (__ACE_INLINE__)
- #define __ACE_INLINE__
- #endif /* ! __ACE_INLINE__ */
- // Needed to differentiate between libc 5 and libc 6 (aka glibc).
- #include <features.h>
- #if (defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) >= 500)
- # define ACE_HAS_PTHREADS_UNIX98_EXT
- #endif /* _XOPEN_SOURCE - 0 >= 500 */
- #if !defined (ACE_LACKS_LINUX_NPTL)
- # include "ace/config-posix.h"
- // Temporary fix because NPTL kernels do have shm_open but there is a problem
- // with shm_open/shm_unlink pairing in ACE which needs to be fixed when I have time.
- # if defined (ACE_HAS_SHM_OPEN)
- # undef ACE_HAS_SHM_OPEN
- # endif /* ACE_HAS_SHM_OPEN */
- # if defined (ACE_USES_FIFO_SEM)
- // Don't use this for Linux NPTL since this has complete
- // POSIX semaphores which are more efficient
- # undef ACE_USES_FIFO_SEM
- # endif /* ACE_USES_FIFO_SEM */
- # if defined (ACE_HAS_POSIX_SEM)
- // Linux NPTL may not define the right POSIX macro
- // but they have the actual runtime support for this stuff
- # if !defined (ACE_HAS_POSIX_SEM_TIMEOUT) && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600))
- # define ACE_HAS_POSIX_SEM_TIMEOUT
- # endif /* !ACE_HAS_POSIX_SEM_TIMEOUT && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600)) */
- # endif /* ACE_HAS_POSIX_SEM */
- #endif /* !ACE_LACKS_LINUX_NPTL */
- // First the machine specific part
- #if defined (__powerpc__) || defined (__x86_64__)
- # if !defined (ACE_DEFAULT_BASE_ADDR)
- # define ACE_DEFAULT_BASE_ADDR ((char *) 0x40000000)
- # endif /* ! ACE_DEFAULT_BASE_ADDR */
- #elif defined (__ia64)
- # if !defined (ACE_DEFAULT_BASE_ADDR)
- // Zero base address should work fine for Linux of IA-64: it just lets
- // the kernel to choose the right value.
- # define ACE_DEFAULT_BASE_ADDR ((char *) 0x0000000000000000)
- # endif /* ! ACE_DEFAULT_BASE_ADDR */
- #endif /* ! __powerpc__ && ! __ia64 */
- // Then glibc/libc5 specific parts
- #if defined(__GLIBC__)
- # if (__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 1)
- # define ACE_HAS_NONCONST_SETRLIMIT
- # endif
- # if (__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 3)
- # define ACE_HAS_RUSAGE_WHO_ENUM enum __rusage_who
- # define ACE_HAS_RLIMIT_RESOURCE_ENUM enum __rlimit_resource
- # define ACE_LACKS_ISCTYPE
- # endif
- # define ACE_HAS_SOCKLEN_T
- # define ACE_HAS_4_4BSD_SENDMSG_RECVMSG
- // glibc defines both of these, used in OS_String.
- # if defined (_GNU_SOURCE)
- # define ACE_HAS_STRNLEN
- # define ACE_HAS_WCSNLEN
- // This is probably not a 100%-sure-fire check... Red Hat Linux 9
- // and Enterprise Linux 3 and up have a new kernel that can send signals
- // across threads. This was not possible prior because there was no real
- // difference between a process and a thread. With this, the
- // ACE_POSIX_SIG_Proactor is the only chance of getting asynch I/O working.
- // There are restrictions, such as all socket operations being silently
- // converted to synchronous by the kernel, that make aio a non-starter
- // for most Linux platforms at this time. But we'll start to crawl...
- # define ACE_POSIX_SIG_PROACTOR
- # endif
- // To avoid the strangeness with Linux's ::select (), which modifies
- // its timeout argument, use ::poll () instead.
- # define ACE_HAS_POLL
- // Don't define _XOPEN_SOURCE and _XOPEN_SOURCE_EXTENDED in ACE to make
- // getpgid() prototype visible. ACE shouldn't depend on feature test
- // macros to make prototypes visible.
- # define ACE_LACKS_GETPGID_PROTOTYPE
- // @note the following defines are necessary with glibc 2.0 (0.961212-5)
- // on Alpha. I assume that they're necessary on Intel as well,
- // but that may depend on the version of glibc that is used.
- //# define ACE_HAS_DLFCN_H_BROKEN_EXTERN_C
- # define ACE_HAS_VOIDPTR_SOCKOPT
- // Don't define _POSIX_SOURCE in ACE to make strtok() prototype
- // visible. ACE shouldn't depend on feature test macros to make
- // prototypes visible.
- # define ACE_LACKS_STRTOK_R_PROTOTYPE
- // @note end of glibc 2.0 (0.961212-5)-specific configuration.
- # if __GLIBC__ > 1 && __GLIBC_MINOR__ >= 1
- // These were suggested by Robert Hanzlik <robi@codalan.cz> to get
- // ACE to compile on Linux using glibc 2.1 and libg++/gcc 2.8.
- # undef ACE_HAS_BYTESEX_H
- # define ACE_HAS_SIGINFO_T
- # define ACE_LACKS_SIGINFO_H
- # define ACE_HAS_UCONTEXT_T
- // Pre-glibc (RedHat 5.2) doesn't have sigtimedwait.
- # define ACE_HAS_SIGTIMEDWAIT
- # endif /* __GLIBC__ 2.1+ */
- #else /* ! __GLIBC__ */
- // Fixes a problem with some non-glibc versions of Linux...
- # define ACE_LACKS_MADVISE
- # define ACE_LACKS_MSG_ACCRIGHTS
- #endif /* ! __GLIBC__ */
- // Don't define _LARGEFILE64_SOURCE in ACE to make llseek() or
- // lseek64() prototype visible. ACE shouldn't depend on feature test
- // macros to make prototypes visible.
- #if __GLIBC__ > 1
- # if __GLIBC_MINOR__ == 0
- # define ACE_HAS_LLSEEK
- # define ACE_LACKS_LLSEEK_PROTOTYPE
- # else /* __GLIBC_MINOR__ > 0 */
- # define ACE_HAS_LSEEK64
- # define ACE_LACKS_LSEEK64_PROTOTYPE
- # endif
- #endif /* __GLIBC__ > 1 */
- #if __GLIBC__ > 1 && __GLIBC_MINOR__ >= 1
- # define ACE_HAS_P_READ_WRITE
- // Use ACE's alternate cuserid() implementation since the use of the
- // system cuserid() is discouraged.
- # define ACE_HAS_ALT_CUSERID
- #endif /* __GLIBC__ > 1 && __GLIBC_MINOR__ >= 0 */
- #if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)
- # define ACE_HAS_ISASTREAM_PROTOTYPE
- # define ACE_HAS_PTHREAD_SIGMASK_PROTOTYPE
- # define ACE_HAS_CPU_SET_T
- #endif /* __GLIBC__ > 2 || __GLIBC__ === 2 && __GLIBC_MINOR__ >= 3) */
- // Then the compiler specific parts
- #if defined (__INTEL_COMPILER)
- # include "ace/config-icc-common.h"
- #elif defined (__GNUG__)
- // config-g++-common.h undef's ACE_HAS_STRING_CLASS with -frepo, so
- // this must appear before its #include.
- # define ACE_HAS_STRING_CLASS
- # include "ace/config-g++-common.h"
- #elif defined (__SUNCC_PRO) || defined (__SUNPRO_CC)
- # include "ace/config-suncc-common.h"
- #elif defined (__PGI)
- // Portable group compiler
- # define ACE_HAS_CPLUSPLUS_HEADERS
- # define ACE_HAS_STDCPP_STL_INCLUDES
- # define ACE_HAS_STANDARD_CPP_LIBRARY 1
- # define ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB 1
- # define ACE_LACKS_SWAB
- #elif defined (__GNUC__)
- /**
- * GNU C compiler.
- *
- * We need to recognize the GNU C compiler since TAO has at least one
- * C source header and file
- * (TAO/orbsvcs/orbsvcs/SSLIOP/params_dup.{h,c}) that may indirectly
- * include this
- */
- #else /* ! __GNUG__ && !__DECCXX && !__INTEL_COMPILER && && !__PGI */
- # ifdef __cplusplus /* Let it slide for C compilers. */
- # error unsupported compiler in ace/config-linux-common.h
- # endif /* __cplusplus */
- #endif /* ! __GNUG__*/
- // Completely common part :-)
- // Platform/compiler has the sigwait(2) prototype
- #define ACE_HAS_SIGWAIT
- #define ACE_HAS_SIGSUSPEND
- #define ACE_HAS_UALARM
- #define ACE_HAS_STRSIGNAL
- #if __GLIBC__ >= 2
- #ifndef ACE_HAS_POSIX_REALTIME_SIGNALS
- #define ACE_HAS_POSIX_REALTIME_SIGNALS
- #endif /* ACE_HAS_POSIX_REALTIME_SIGNALS */
- #ifndef ACE_HAS_AIO_CALLS
- #define ACE_HAS_AIO_CALLS
- #endif /* ACE_HAS_AIO_CALLS */
- #endif
- #if __GLIBC__ >= 2
- // glibc 2 and higher has wchar support
- # define ACE_HAS_XPG4_MULTIBYTE_CHAR
- # define ACE_HAS_VFWPRINTF
- #endif
- #if __GLIBC__ < 2
- // These are present in glibc 2 and higher
- # define ACE_LACKS_WCSTOK
- # define ACE_LACKS_WCSDUP_PROTOTYPE
- #endif /* __GLIBC__ < 2 */
- #define ACE_LACKS_ITOW
- #define ACE_LACKS_WCSICMP
- #define ACE_LACKS_WCSNICMP
- #define ACE_LACKS_ISWASCII
- #if __GLIBC__ >= 2
- # define ACE_HAS_3_PARAM_WCSTOK
- #endif
- #define ACE_HAS_3_PARAM_READDIR_R
- #if !defined (ACE_DEFAULT_BASE_ADDR)
- # define ACE_DEFAULT_BASE_ADDR ((char *) 0x80000000)
- #endif /* ! ACE_DEFAULT_BASE_ADDR */
- // Compiler/platform supports alloca().
- // Although ACE does have alloca() on this compiler/platform combination, it is
- // disabled by default since it can be dangerous. Uncomment the following line
- // if you ACE to use it.
- //#define ACE_HAS_ALLOCA
- // Compiler/platform has <alloca.h>
- #define ACE_HAS_ALLOCA_H
- #define ACE_HAS_SYS_SYSINFO_H
- #define ACE_HAS_LINUX_SYSINFO
- // Compiler/platform has the getrusage() system call.
- #define ACE_HAS_GETRUSAGE
- #define ACE_HAS_GETRUSAGE_PROTOTYPE
- #define ACE_HAS_BYTESWAP_H
- #define ACE_HAS_BSWAP_16
- #define ACE_HAS_BSWAP_32
- #if defined __GNUC__ && __GNUC__ >= 2
- # define ACE_HAS_BSWAP_64
- #endif
- #define ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES
- // Optimize ACE_Handle_Set for select().
- #define ACE_HAS_HANDLE_SET_OPTIMIZED_FOR_SELECT
- // ONLY define this if you have config'd multicast into a 2.0.34 or
- // prior kernel. It is enabled by default in 2.0.35 kernels.
- #if !defined (ACE_HAS_IP_MULTICAST)
- # define ACE_HAS_IP_MULTICAST
- #endif /* ! ACE_HAS_IP_MULTICAST */
- // At least for IPv4, Linux lacks perfect filtering.
- #if !defined ACE_LACKS_PERFECT_MULTICAST_FILTERING
- # define ACE_LACKS_PERFECT_MULTICAST_FILTERING 1
- #endif /* ACE_LACKS_PERFECT_MULTICAST_FILTERING */
- #define ACE_HAS_BIG_FD_SET
- // Linux defines struct msghdr in /usr/include/socket.h
- #define ACE_HAS_MSG
- // Linux "improved" the interface to select() so that it modifies
- // the struct timeval to reflect the amount of time not slept
- // (see NOTES in Linux's select(2) man page).
- #define ACE_HAS_NONCONST_SELECT_TIMEVAL
- #define ACE_DEFAULT_MAX_SOCKET_BUFSIZ 65535
- #define ACE_CDR_IMPLEMENT_WITH_NATIVE_DOUBLE 1
- #define ACE_HAS_GETPAGESIZE 1
- #if (__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2)
- // glibc supports wchar, but lacks fgetwc and ungetwc
- # define ACE_LACKS_FGETWC
- # define ACE_HAS_NONCONST_MSGSND
- # define ACE_LACKS_STRNLEN_PROTOTYPE
- #endif
- // glibc requires _XOPEN_SOURCE_EXTENDED to make this prototype
- // visible, so force ACE to declare one. Yuk!
- #ifndef _XOPEN_SOURCE_EXTENDED
- # define ACE_LACKS_MKSTEMP_PROTOTYPE
- #endif /* !_XOPEN_SOURCE_EXTENDED */
- // Platform defines struct timespec but not timespec_t
- #define ACE_LACKS_TIMESPEC_T
- // Platform supplies scandir()
- #define ACE_HAS_SCANDIR
- #if (__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 10)
- // Although the scandir man page says otherwise, this setting is correct.
- // The setting was fixed in 2.10, so do not use the hack after that.
- #define ACE_SCANDIR_CMP_USES_CONST_VOIDPTR
- #endif
- // A conflict appears when including both <ucontext.h> and
- // <sys/procfs.h> with recent glibc headers.
- //#define ACE_HAS_PROC_FS
- // Platform supports System V IPC (most versions of UNIX, but not Win32)
- #define ACE_HAS_SYSV_IPC
- // Compiler/platform contains the <sys/syscall.h> file.
- #define ACE_HAS_SYS_SYSCALL_H
- // Platform/compiler supports global timezone variable.
- #define ACE_HAS_TIMEZONE
- #define ACE_HAS_TIMEZONE_GETTIMEOFDAY
- // Don't define _XOPEN_SOURCE in ACE to make strptime() prototype
- // visible. ACE shouldn't depend on feature test macros to make
- // prototypes visible.
- #define ACE_LACKS_STRPTIME_PROTOTYPE
- // Compiler supports the ssize_t typedef.
- #define ACE_HAS_SSIZE_T
- // Compiler/platform defines the sig_atomic_t typedef.
- #define ACE_HAS_SIG_ATOMIC_T
- // Compiler/platform defines a union semun for SysV shared memory.
- #define ACE_HAS_SEMUN
- #define ACE_HAS_POSIX_TIME
- #define ACE_HAS_GPERF
- #define ACE_HAS_DIRENT
- // Starting with FC9 rawhide this file is not available anymore but
- // this define is set
- #if defined _XOPEN_STREAMS && _XOPEN_STREAMS == -1
- # define ACE_LACKS_STROPTS_H
- # define ACE_LACKS_STRRECVFD
- #endif
- #if !defined (ACE_LACKS_STROPTS_H)
- # define ACE_HAS_STRBUF_T
- #endif
- #if defined (__ia64) || defined(__alpha) || defined (__x86_64__)
- // On 64 bit platforms, the "long" type is 64-bits. Override the
- // default 32-bit platform-specific format specifiers appropriately.
- # define ACE_UINT64_FORMAT_SPECIFIER_ASCII "%lu"
- # define ACE_SSIZE_T_FORMAT_SPECIFIER_ASCII "%ld"
- # define ACE_SIZE_T_FORMAT_SPECIFIER_ASCII "%lu"
- #endif /* __ia64 */
- #define ACE_SIZEOF_WCHAR 4
- #if defined (__powerpc__) && !defined (ACE_SIZEOF_LONG_DOUBLE)
- // 32bit PowerPC Linux uses 128bit long double
- # define ACE_SIZEOF_LONG_DOUBLE 16
- #endif
- #define ACE_LACKS_GETIPNODEBYADDR
- #define ACE_LACKS_GETIPNODEBYNAME
- // Platform has POSIX terminal interface.
- #define ACE_HAS_TERMIOS
- // Linux implements sendfile().
- #define ACE_HAS_SENDFILE 1
- #define ACE_HAS_VOIDPTR_MMAP
- #define ACE_HAS_ICMP_SUPPORT 1
- #define ACE_HAS_VASPRINTF
- // According to man pages Linux uses different (compared to UNIX systems) types
- // for setting IP_MULTICAST_TTL and IPV6_MULTICAST_LOOP / IP_MULTICAST_LOOP
- // in setsockopt/getsockopt.
- #define ACE_HAS_IP_MULTICAST_TTL_AS_INT 1
- #define ACE_HAS_IPV6_MULTICAST_LOOP_AS_BOOL 1
- #define ACE_HAS_IP_MULTICAST_LOOP_AS_INT 1
- #if defined (ACE_LACKS_NETWORKING)
- # include "ace/config-posix-nonetworking.h"
- #else
- # define ACE_HAS_NETLINK
- # if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
- # define ACE_HAS_GETIFADDRS
- # endif
- #endif
- #if !defined (ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO)
- // Detect if getsockname() and getpeername() returns random values in
- // the sockaddr_in::sin_zero field by evaluation of the kernel
- // version. Since version 2.5.47 this problem is fixed.
- # if !defined (ACE_LACKS_LINUX_VERSION_H)
- # include <linux/version.h>
- # endif /* !ACE_LACKS_LINUX_VERSION_H */
- # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,47))
- # define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 0
- # else
- # define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 1
- # endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,47)) */
- #endif /* ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO */
- #if !defined (ACE_HAS_EVENT_POLL) && !defined (ACE_HAS_DEV_POLL)
- # if !defined (ACE_LACKS_LINUX_VERSION_H)
- # include <linux/version.h>
- # endif /* !ACE_LACKS_LINUX_VERSION_H */
- # if (LINUX_VERSION_CODE > KERNEL_VERSION (2,6,0))
- # define ACE_HAS_EVENT_POLL
- # endif
- #endif
- #include /**/ "ace/post.h"
- #endif /* ACE_LINUX_COMMON_H */