path: root/ace/config-linux-common.h

/* -*- C++ -*- */
// $Id$

// 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__ */

// #ifndef _XOPEN_SOURCE
// #  define _XOPEN_SOURCE 600
// #endif /* _XOPEN_SOURCE */

// 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 */

// First the machine specific part

#if defined (__alpha)
  // This is necessary on Alphas with glibc 2.0.7-13.
# define ACE_POLL_IS_BROKEN
#elif defined (__powerpc__)
# 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 /* ! __alpha  &&  ! __powerpc__  && ! __ia64 */

// Then glibc/libc5 specific parts

#if defined(__GLIBC__)
# define ACE_HAS_BROKEN_SETRLIMIT
# define ACE_HAS_RUSAGE_WHO_ENUM enum __rusage_who
# define ACE_HAS_RLIMIT_RESOURCE_ENUM enum __rlimit_resource
# 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
# 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
# define ACE_LACKS_SYSTIME_H

// 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.

// These macros determined by reading stdio.h on RH 7.1.
# if defined (__USE_BSD) || defined (__USE_ISOC99) || defined (__USE_UNIX98)
#   define ACE_HAS_SNPRINTF
# endif

# 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
# define ACE_LACKS_PREAD_PROTOTYPE
// 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 */


// Then the compiler specific parts

#if 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"
#define ACE_CC_NAME ACE_LIB_TEXT ("g++")
#define ACE_CC_MAJOR_VERSION __GNUC__
#define ACE_CC_MINOR_VERSION __GNUC_MINOR__
//#define ACE_CC_BETA_VERSION 0 /* ??? */
#elif defined (__KCC)
# define ACE_HAS_STRING_CLASS
# undef ACE_HAS_LLSEEK
# undef ACE_HAS_LSEEK64
# undef ACE_LACKS_LLSEEK_PROTOTYPE
# undef ACE_LACKS_LSEEK64_PROTOTYPE
# include "ace/config-kcc-common.h"
#elif defined (__DECCXX)
# define ACE_CONFIG_INCLUDE_CXX_COMMON
# include "ace/config-cxx-common.h"
#elif defined (__INTEL_COMPILER)
# include "ace/config-icc-common.h"
#elif defined (__BORLANDC__)
# undef ACE_HAS_LLSEEK
# undef ACE_HAS_LSEEK64
# undef ACE_LACKS_LLSEEK_PROTOTYPE
# undef ACE_LACKS_LSEEK64_PROTOTYPE
# include "ace/config-borland-common.h"
#else  /* ! __GNUG__ && ! __KCC && !__DECCXX && !__INTEL_COMPILER && !__BORLANDC__*/
# error unsupported compiler in ace/config-linux-common.h
#endif /* ! __GNUG__ && ! __KCC */

// Completely common part :-)

// Platform/compiler has the sigwait(2) prototype
# define ACE_HAS_SIGWAIT

# define ACE_HAS_SIGSUSPEND

// However, sigqueue-ing things across threads does not work (at least
// prior to the 2.4 kernel) so unless the user has specifically requested
// the POSIX_SIG_PROACTOR, use the AIOCB version to avoid this problem.
# if !defined (ACE_POSIX_SIG_PROACTOR)
#   define ACE_POSIX_AIOCB_PROACTOR
# endif  /* ACE_POSIX_SIG_PROACTOR */

#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
#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_TOWLOWER

#if __GLIBC__ >= 2
# define ACE_HAS_3_PARAM_WCSTOK
#endif

#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

// Compiler/platform has the getrusage() system call.
#define ACE_HAS_GETRUSAGE
#define ACE_HAS_GETRUSAGE_PROTO

#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_HAS_TERM_IOCTLS

#define ACE_DEFAULT_MAX_SOCKET_BUFSIZ 65535

#define ACE_HAS_GETPAGESIZE 1

#if (__GLIBC__  < 2)  ||  (__GLIBC__ == 2 && __GLIBC_MINOR__ < 2)
  // GLIBC 2.2 and higher doesn't need this macro any more.
  // Platform lacks POSIX prototypes for certain System V functions
  // like shared memory and message queues.
# define ACE_LACKS_SOME_POSIX_PROTOTYPES

// glibc supports wchar, but lacks fgetwc and ungetwc
#define ACE_LACKS_FGETWC

#endif

// glibc supports the mkstemp() function.
#define ACE_HAS_MKSTEMP

// glibc requires _XOPEN_SOURCE_EXTENDED to make this prototype
// visible, so force ACE to declare one.  Yuk!
#define ACE_LACKS_MKSTEMP_PROTOTYPE

// Platform defines struct timespec but not timespec_t
#define ACE_LACKS_TIMESPEC_T

#define ACE_LACKS_STRRECVFD

//#define ACE_LACKS_MSYNC

// 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_SYSCALL_H

#define ACE_HAS_SUNOS4_GETTIMEOFDAY

// Compiler/platform supports strerror ().
#define ACE_HAS_STRERROR

#define ACE_HAS_STRPTIME
// 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

#if defined (__ia64)
// 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 ACE_LIB_TEXT ("%lu")
# define ACE_SSIZE_T_FORMAT_SPECIFIER ACE_LIB_TEXT ("%ld")
# define ACE_SIZE_T_FORMAT_SPECIFIER ACE_LIB_TEXT ("%lu")
#endif /* __ia64 */

// Turns off the tracing feature.
#if !defined (ACE_NTRACE)
# define ACE_NTRACE 1
#endif /* ACE_NTRACE */

#define ACE_SIZEOF_WCHAR 4

#include "ace/post.h"

// Enables use of POSIX termios struct
#define ACE_USES_NEW_TERMIOS

// Use new pthread_attr_setstack
#if defined (__USE_XOPEN2K) && (__GLIBC__ > 2 || ( __GLIBC__ == 2 && __GLIBC_MINOR__ >=2))
#define ACE_HAS_PTHREAD_SETSTACK
#endif /* __USE_XOPEN2K && glibc >2.2 */

#endif /* ACE_LINUX_COMMON_H */