ACE/ace/config-linux.h

   1 // -*- C++ -*-
   2 // The following configuration file is designed to work for Linux
   3 // platforms using GNU C++.
   4
   5 #ifndef ACE_CONFIG_LINUX_H
   6 #define ACE_CONFIG_LINUX_H
   7 #include /**/ "ace/pre.h"
   8
   9 #if !defined (ACE_LINUX)
  10 #define ACE_LINUX
  11 #endif /* ACE_LINUX */
  12
  13 #if !defined (__ACE_INLINE__)
  14 #  define __ACE_INLINE__
  15 #endif /* ! __ACE_INLINE__ */
  16
  17 #if !defined (ACE_PLATFORM_CONFIG)
  18 #define ACE_PLATFORM_CONFIG config-linux.h
  19 #endif
  20
  21 #include "ace/config-linux-common.h"
  22
  23 #define ACE_HAS_BYTESEX_H
  24
  25 #if (defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) >= 500)
  26 #  define ACE_HAS_PTHREADS_UNIX98_EXT
  27 #endif /* _XOPEN_SOURCE - 0 >= 500 */
  28
  29 #if !defined (ACE_LACKS_LINUX_NPTL)
  30
  31   // Temporary fix because NPTL kernels do have shm_open but there is a problem
  32   // with shm_open/shm_unlink pairing in ACE which needs to be fixed when I have time.
  33 # if defined (ACE_HAS_SHM_OPEN)
  34 #   undef ACE_HAS_SHM_OPEN
  35 # endif /* ACE_HAS_SHM_OPEN */
  36
  37 # if defined (ACE_USES_FIFO_SEM)
  38     // Don't use this for Linux NPTL since this has complete
  39     // POSIX semaphores which are more efficient
  40 #   undef ACE_USES_FIFO_SEM
  41 # endif /* ACE_USES_FIFO_SEM */
  42
  43 # if defined (ACE_HAS_POSIX_SEM)
  44     // Linux NPTL may not define the right POSIX macro
  45     // but they have the actual runtime support for this stuff
  46 #   if !defined (ACE_HAS_POSIX_SEM_TIMEOUT) && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600))
  47 #     define ACE_HAS_POSIX_SEM_TIMEOUT
  48 #   endif /* !ACE_HAS_POSIX_SEM_TIMEOUT && (((_POSIX_C_SOURCE - 0) >= 200112L) || (_XOPEN_SOURCE >= 600)) */
  49 # endif /* ACE_HAS_POSIX_SEM */
  50 #endif /* !ACE_LACKS_LINUX_NPTL */
  51
  52 // AIO support pulls in the rt library, which pulls in the pthread
  53 // library.  Disable AIO in single-threaded builds.
  54 #if defined (ACE_HAS_THREADS)
  55 #  define ACE_HAS_CLOCK_GETTIME
  56 #  define ACE_HAS_CLOCK_SETTIME
  57 #else
  58 #  undef ACE_HAS_AIO_CALLS
  59 #endif
  60
  61 // Then glibc/libc5 specific parts
  62
  63 #if defined(__GLIBC__) || defined (__INTEL_COMPILER)
  64 # if !defined (__INTEL_COMPILER) && \
  65      (__GLIBC__  < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 3)
  66 #   define ACE_HAS_RUSAGE_WHO_ENUM enum __rusage_who
  67 #   define ACE_HAS_RLIMIT_RESOURCE_ENUM enum __rlimit_resource
  68 #   define ACE_LACKS_ISCTYPE
  69 # endif
  70 # define ACE_HAS_SOCKLEN_T
  71 # define ACE_HAS_4_4BSD_SENDMSG_RECVMSG
  72
  73   // glibc defines both of these, used in OS_String.
  74 # if defined (_GNU_SOURCE)
  75 #   define ACE_HAS_STRNLEN
  76 #   define ACE_HAS_WCSNLEN
  77
  78   // This is probably not a 100%-sure-fire check... Red Hat Linux 9
  79   // and Enterprise Linux 3 and up have a new kernel that can send signals
  80   // across threads. This was not possible prior because there was no real
  81   // difference between a process and a thread. With this, the
  82   // ACE_POSIX_SIG_Proactor is the only chance of getting asynch I/O working.
  83   // There are restrictions, such as all socket operations being silently
  84   // converted to synchronous by the kernel, that make aio a non-starter
  85   // for most Linux platforms at this time. But we'll start to crawl...
  86 #   define ACE_POSIX_SIG_PROACTOR
  87 # endif
  88
  89   // To avoid the strangeness with Linux's ::select (), which modifies
  90   // its timeout argument, use ::poll () instead.
  91 # define ACE_HAS_POLL
  92
  93 # define ACE_HAS_SIGINFO_T
  94 # define ACE_LACKS_SIGINFO_H
  95 # define ACE_HAS_UCONTEXT_T
  96 # define ACE_HAS_SIGTIMEDWAIT
  97 # define ACE_HAS_STRERROR_R
  98
  99 #else  /* ! __GLIBC__ */
 100     // Fixes a problem with some non-glibc versions of Linux...
 101 #   define ACE_LACKS_MADVISE
 102 #   define ACE_LACKS_MSG_ACCRIGHTS
 103 #endif /* ! __GLIBC__ */
 104
 105 // Completely common part :-)
 106
 107 #define ACE_HAS_UALARM
 108
 109 #if (__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 10)
 110 // Although the scandir man page says otherwise, this setting is correct.
 111 // The setting was fixed in 2.10, so do not use the hack after that.
 112 #  define ACE_SCANDIR_CMP_USES_CONST_VOIDPTR
 113 #endif
 114
 115 // A conflict appears when including both <ucontext.h> and
 116 // <sys/procfs.h> with recent glibc headers.
 117 //#define ACE_HAS_PROC_FS
 118
 119 // Platform supports System V IPC (most versions of UNIX, but not Win32)
 120 #define ACE_HAS_SYSV_IPC
 121
 122 // Compiler/platform defines a union semun for SysV shared memory.
 123 #define ACE_HAS_SEMUN
 124
 125 #if defined (__powerpc__) && !defined (ACE_SIZEOF_LONG_DOUBLE)
 126 // 32bit PowerPC Linux uses 128bit long double
 127 # define ACE_SIZEOF_LONG_DOUBLE 16
 128 #endif
 129
 130 #define ACE_LACKS_GETIPNODEBYADDR
 131 #define ACE_LACKS_GETIPNODEBYNAME
 132
 133 #define ACE_HAS_ICMP_SUPPORT 1
 134
 135 #if defined (ACE_LACKS_NETWORKING)
 136 # include "ace/config-posix-nonetworking.h"
 137 #else
 138 # define ACE_HAS_NETLINK
 139 # define ACE_HAS_GETIFADDRS
 140 #endif
 141
 142 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,8))
 143 # define ACE_HAS_SCHED_GETAFFINITY 1
 144 # define ACE_HAS_SCHED_SETAFFINITY 1
 145 #endif
 146
 147 // This is ghastly, but as long as there are platforms supported
 148 // which define the right POSIX macros but lack actual support
 149 // we have no choice.
 150 // RHEL4 fails (2.6.9) while RHEL5 works (2.6.18)
 151 #if !defined (ACE_LACKS_CONDATTR_SETCLOCK)
 152 # if (LINUX_VERSION_CODE < KERNEL_VERSION (2,6,18))
 153 #  define ACE_LACKS_CONDATTR_SETCLOCK
 154 # endif
 155 #endif
 156
 157 #define ACE_HAS_MNTENT
 158
 159 // To support UCLIBC
 160 #if defined (__UCLIBC__)
 161
 162 #  define ACE_LACKS_STROPTS_H
 163 #  define ACE_LACKS_GETLOADAVG
 164 #  define ACE_LACKS_NETDB_REENTRANT_FUNCTIONS
 165 #  define ACE_LACKS_PTHREAD_SETSTACK
 166 #  define ACE_LACKS_STRRECVFD
 167 #  define ACE_HAS_CPU_SET_T
 168
 169 #  if defined (ACE_HAS_STRBUF_T)
 170 #    undef ACE_HAS_STRBUF_T
 171 #  endif /* ACE_HAS_STRBUF_T */
 172
 173 #  if defined (ACE_HAS_PTHREAD_SETSTACK)
 174 #    undef ACE_HAS_PTHREAD_SETSTACK
 175 #  endif /* ACE_HAS_PTHREAD_SETSTACK */
 176
 177 #  if defined (ACE_HAS_AIO_CALLS)
 178 #    undef ACE_HAS_AIO_CALLS
 179 #  endif /* ACE_HAS_AIO_CALLS */
 180
 181 #  if defined (ACE_HAS_GETIFADDRS)
 182 #    undef ACE_HAS_GETIFADDRS
 183 #  endif /* ACE_HAS_GETIFADDRS */
 184
 185 #  if defined (ACE_SCANDIR_CMP_USES_VOIDPTR)
 186 #    undef ACE_SCANDIR_CMP_USES_VOIDPTR
 187 #  endif /* ACE_SCANDIR_CMP_USES_VOIDPTR */
 188
 189 #  if defined (ACE_SCANDIR_CMP_USES_CONST_VOIDPTR)
 190 #    undef ACE_SCANDIR_CMP_USES_CONST_VOIDPTR
 191 #  endif /* ACE_SCANDIR_CMP_USES_CONST_VOIDPTR */
 192
 193 #  if defined (ACE_HAS_EXECINFO_H)
 194 #    undef ACE_HAS_EXECINFO_H
 195 #  endif /* ACE_HAS_EXECINFO_H */
 196
 197 #  if defined(__GLIBC__)
 198 #    undef __GLIBC__
 199 #  endif /* __GLIBC__ */
 200
 201 #  if defined(ACE_HAS_SEMUN)
 202 #    undef ACE_HAS_SEMUN
 203 #  endif /* ACE_HAS_SEMUN */
 204
 205 #endif /* __UCLIBC__ */
 206
 207 #include /**/ "ace/post.h"
 208
 209 #endif /* ACE_CONFIG_LINUX_H */