ACE/ace/config-linux-common.h

   1 /**
   2  * Common configuration for platforms using the Linux Kernel, specifically
   3  * ACE_LINUX and ACE_ANDROID as of writing. config-android.h was originally
   4  * based off config-linux.h and this file was created from the common parts of
   5  * both.
   6  */
   7 #ifndef ACE_CONFIG_LINUX_COMMON_H
   8 #define ACE_CONFIG_LINUX_COMMON_H
   9
  10 #if !defined (ACE_MT_SAFE)
  11 #  define ACE_MT_SAFE 1
  12 #endif
  13
  14 // Compiler supports the ssize_t typedef.
  15 #define ACE_HAS_SSIZE_T
  16
  17 // Needed to differentiate between libc 5 and libc 6 (aka glibc).
  18 #include <features.h>
  19
  20 #include "ace/config-posix.h"
  21
  22 #ifndef ACE_DEFAULT_BASE_ADDR
  23 #  if defined (__powerpc__) || defined (__x86_64__)
  24 #    define ACE_DEFAULT_BASE_ADDR (reinterpret_cast< char* >(0x40000000))
  25 #  elif defined (__ia64)
  26 // Zero base address should work fine for Linux of IA-64: it just lets
  27 // the kernel to choose the right value.
  28 #    define ACE_DEFAULT_BASE_ADDR (reinterpret_cast< char*>(0x0000000000000000))
  29 #  else
  30 #    define ACE_DEFAULT_BASE_ADDR (reinterpret_cast< char* >(0x80000000))
  31 #  endif
  32 #endif /* ! ACE_DEFAULT_BASE_ADDR */
  33
  34 #define ACE_HAS_LSEEK64
  35
  36 #define ACE_HAS_P_READ_WRITE
  37 // Use ACE's alternate cuserid() implementation since the use of the
  38 // system cuserid() is discouraged.
  39 #define ACE_HAS_ALT_CUSERID
  40
  41 #if (__GLIBC__  > 2)  || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)
  42 #  define ACE_HAS_ISASTREAM_PROTOTYPE
  43 #  define ACE_HAS_CPU_SET_T
  44 #  define ACE_HAS_GLIBC_2_2_3
  45 #endif /* __GLIBC__ > 2 || __GLIBC__ === 2 && __GLIBC_MINOR__ >= 3) */
  46
  47 #  if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 12)
  48 #  define ACE_HAS_PTHREAD_SETNAME_NP
  49 #endif /* __GLIBC__ > 2 || __GLIBC__ === 2 && __GLIBC_MINOR__ >= 12) */
  50
  51 #if (__GLIBC__  > 2)  || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 30)
  52 #  define ACE_LACKS_SYS_SYSCTL_H
  53 #endif /* __GLIBC__ > 2 || __GLIBC__ === 2 && __GLIBC_MINOR__ >= 30) */
  54
  55 #if defined (__INTEL_COMPILER)
  56 #  include "ace/config-icc-common.h"
  57 #elif defined (__GNUG__)
  58 #  include "ace/config-g++-common.h"
  59 #elif defined (__PGI)
  60 // Portable group compiler
  61 #  define ACE_LACKS_SWAB
  62 #elif defined (__GNUC__)
  63 /**
  64  * GNU C compiler.
  65  *
  66  * We need to recognize the GNU C compiler since TAO has at least one
  67  * C source header and file
  68  * (TAO/orbsvcs/orbsvcs/SSLIOP/params_dup.{h,c}) that may indirectly
  69  * include this
  70  */
  71 #else  /* ! __GNUG__ && !__INTEL_COMPILER && && !__PGI */
  72 #  ifdef __cplusplus  /* Let it slide for C compilers. */
  73 #    error unsupported compiler in ace/config-linux.h
  74 #  endif  /* __cplusplus */
  75 #endif /* ! __GNUG__*/
  76
  77 // Platform/compiler has the sigwait(2) prototype
  78 #define ACE_HAS_SIGWAIT
  79
  80 #define ACE_HAS_SIGSUSPEND
  81
  82 #define ACE_HAS_STRSIGNAL
  83
  84 #ifndef ACE_HAS_POSIX_REALTIME_SIGNALS
  85 # define ACE_HAS_POSIX_REALTIME_SIGNALS
  86 #endif /* ACE_HAS_POSIX_REALTIME_SIGNALS */
  87
  88 #define ACE_HAS_XPG4_MULTIBYTE_CHAR
  89 #define ACE_HAS_VFWPRINTF
  90
  91 #define ACE_LACKS_ITOW
  92 #define ACE_LACKS_WCSICMP
  93 #define ACE_LACKS_WCSNICMP
  94 #define ACE_LACKS_ISWASCII
  95
  96 #define ACE_HAS_3_PARAM_WCSTOK
  97
  98 #define ACE_HAS_ALLOCA
  99
 100 // Compiler/platform has <alloca.h>
 101 #define ACE_HAS_ALLOCA_H
 102 #define ACE_HAS_SYS_SYSINFO_H
 103 #define ACE_HAS_LINUX_SYSINFO
 104
 105 // Compiler/platform has the getrusage() system call.
 106 #define ACE_HAS_GETRUSAGE
 107 #define ACE_HAS_GETRUSAGE_PROTOTYPE
 108
 109 #define ACE_HAS_BYTESWAP_H
 110 #define ACE_HAS_BSWAP_16
 111 #define ACE_HAS_BSWAP_32
 112
 113 #if defined (__GNUC__)
 114 #  define ACE_HAS_BSWAP_64
 115 #endif
 116
 117 #define ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES
 118
 119 // Optimize ACE_Handle_Set for select().
 120 #define ACE_HAS_HANDLE_SET_OPTIMIZED_FOR_SELECT
 121
 122 // ONLY define this if you have config'd multicast into a 2.0.34 or
 123 // prior kernel.  It is enabled by default in 2.0.35 kernels.
 124 #if !defined (ACE_HAS_IP_MULTICAST)
 125 #  define ACE_HAS_IP_MULTICAST
 126 #endif /* ! ACE_HAS_IP_MULTICAST */
 127
 128 // At least for IPv4, Linux lacks perfect filtering.
 129 #if !defined ACE_LACKS_PERFECT_MULTICAST_FILTERING
 130 #  define ACE_LACKS_PERFECT_MULTICAST_FILTERING 1
 131 #endif /* ACE_LACKS_PERFECT_MULTICAST_FILTERING */
 132
 133 #define ACE_HAS_BIG_FD_SET
 134
 135 // Linux defines struct msghdr in /usr/include/socket.h
 136 #define ACE_HAS_MSG
 137
 138 // Linux "improved" the interface to select() so that it modifies
 139 // the struct timeval to reflect the amount of time not slept
 140 // (see NOTES in Linux's select(2) man page).
 141 #define ACE_HAS_NONCONST_SELECT_TIMEVAL
 142
 143 #define ACE_DEFAULT_MAX_SOCKET_BUFSIZ 65535
 144
 145 #define ACE_CDR_IMPLEMENT_WITH_NATIVE_DOUBLE 1
 146
 147 #define ACE_HAS_GETPAGESIZE 1
 148
 149 // Platform defines struct timespec but not timespec_t
 150 #define ACE_LACKS_TIMESPEC_T
 151
 152 // Platform supplies scandir()
 153 #define ACE_HAS_SCANDIR
 154
 155 // Compiler/platform contains the <sys/syscall.h> file.
 156 #define ACE_HAS_SYS_SYSCALL_H
 157
 158 #define ACE_HAS_TIMEZONE
 159 #define ACE_HAS_TIMEZONE_GETTIMEOFDAY
 160
 161 // Compiler/platform defines the sig_atomic_t typedef.
 162 #define ACE_HAS_SIG_ATOMIC_T
 163
 164 #define ACE_HAS_POSIX_TIME
 165
 166 #define ACE_HAS_GPERF
 167
 168 #define ACE_HAS_DIRENT
 169
 170 // Starting with FC9 rawhide this file is not available anymore but
 171 // this define is set
 172 #if !defined(_XOPEN_STREAMS) || (defined _XOPEN_STREAMS && _XOPEN_STREAMS == -1)
 173 #  define ACE_LACKS_STROPTS_H
 174 #  define ACE_LACKS_STRRECVFD
 175 #endif
 176
 177 #if !defined (ACE_LACKS_STROPTS_H)
 178 #  define ACE_HAS_STRBUF_T
 179 #endif
 180
 181 #if defined (__ia64) || defined (__x86_64__) || defined(__powerpc64__) || (defined(__mips__) && defined(__LP64__)) || defined (__aarch64__)
 182 // On 64 bit platforms, the "long" type is 64-bits.  Override the
 183 // default 32-bit platform-specific format specifiers appropriately.
 184 #  define ACE_UINT64_FORMAT_SPECIFIER_ASCII "%lu"
 185 #  define ACE_SSIZE_T_FORMAT_SPECIFIER_ASCII "%ld"
 186 #  define ACE_SIZE_T_FORMAT_SPECIFIER_ASCII "%lu"
 187 #endif /* __ia64 */
 188
 189 #define ACE_SIZEOF_WCHAR 4
 190
 191 // Platform has POSIX terminal interface.
 192 #define ACE_HAS_TERMIOS
 193
 194 // Linux implements sendfile().
 195 #define ACE_HAS_SENDFILE 1
 196
 197 #define ACE_HAS_VOIDPTR_MMAP
 198
 199 #define ACE_HAS_VASPRINTF
 200
 201 #define ACE_LACKS_PTHREAD_SCOPE_PROCESS
 202
 203 // According to man pages Linux uses different (compared to UNIX systems) types
 204 // for setting IP_MULTICAST_TTL and IPV6_MULTICAST_LOOP / IP_MULTICAST_LOOP
 205 // in setsockopt/getsockopt.
 206 // In the current (circa 2012) kernel source however there is an explicit check
 207 // for IPV6_MULTICAST_LOOP being sizeof(int). Anything else is rejected so it must
 208 // not be a passed a bool, irrespective of what the man pages (still) say.
 209 // i.e. #define ACE_HAS_IPV6_MULTICAST_LOOP_AS_BOOL 1 is wrong
 210 #define ACE_HAS_IP_MULTICAST_TTL_AS_INT 1
 211 #define ACE_HAS_IP_MULTICAST_LOOP_AS_INT 1
 212
 213 #define ACE_HAS_SVR4_DYNAMIC_LINKING
 214 #define ACE_HAS_AUTOMATIC_INIT_FINI
 215 #define ACE_HAS_RECURSIVE_MUTEXES
 216 #define ACE_HAS_THREAD_SPECIFIC_STORAGE
 217 #define ACE_HAS_RECURSIVE_THR_EXIT_SEMANTICS
 218 #define ACE_HAS_2_PARAM_ASCTIME_R_AND_CTIME_R
 219 #define ACE_HAS_REENTRANT_FUNCTIONS
 220
 221 /* ===========================================================================
 222  * By Kernel API Version
 223  * ===========================================================================
 224  */
 225
 226 #if !defined (ACE_LACKS_LINUX_VERSION_H)
 227 #  include <linux/version.h>
 228 #endif /* !ACE_LACKS_LINUX_VERSION_H */
 229
 230 #if !defined (ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO)
 231 // Detect if getsockname() and getpeername() returns random values in
 232 // the sockaddr_in::sin_zero field by evaluation of the kernel
 233 // version. Since version 2.5.47 this problem is fixed.
 234 #  if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,47))
 235 #    define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 0
 236 #  else
 237 #    define ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO 1
 238 #  endif  /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,47)) */
 239 #endif  /* ACE_GETNAME_RETURNS_RANDOM_SIN_ZERO */
 240
 241 #if !defined (ACE_HAS_EVENT_POLL) && !defined (ACE_HAS_DEV_POLL)
 242 #  if (LINUX_VERSION_CODE > KERNEL_VERSION (2,6,0))
 243 #    define ACE_HAS_EVENT_POLL
 244 #  endif
 245 #endif
 246
 247 #if (LINUX_VERSION_CODE >= KERNEL_VERSION (2,4,11))
 248 #  define ACE_HAS_GETTID // See ACE_OS::thr_gettid()
 249 #endif
 250
 251 #endif /* ACE_CONFIG_LINUX_COMMON_H */