ACE/ace/config-posix.h

   1 /* -*- C++ -*- */
   2 #ifndef ACE_CONFIG_POSIX_H
   3 #define ACE_CONFIG_POSIX_H
   4
   5 #include <unistd.h>
   6
   7 /*  The following POSIX constants are defined after <unistd.h> is
   8  *  included.  They are documented in:
   9  * http://www.opengroup.org/onlinepubs/007904975/basedefs/unistd.h.html
  10  */
  11 #if defined(_POSIX_REALTIME_SIGNALS) && (_POSIX_REALTIME_SIGNALS-0 != -1 )
  12 # if !defined(ACE_HAS_POSIX_REALTIME_SIGNALS)
  13 #  define ACE_HAS_POSIX_REALTIME_SIGNALS
  14 # endif /* ACE_HAS_POSIX_REALTIME_SIGNALS */
  15 #endif /* _POSIX_REALTIME_SIGNALS */
  16
  17 #if defined(_POSIX_ASYNCHRONOUS_IO) && (_POSIX_ASYNCHRONOUS_IO-0 != -1 )
  18 # if !defined(ACE_HAS_AIO_CALLS)
  19 #  define ACE_HAS_AIO_CALLS
  20 # endif /* ACE_HAS_AIO_CALLS */
  21 #endif /* _POSIX_ASYNCHRONOUS_IO */
  22
  23 #if !defined (ACE_MT_SAFE) || (ACE_MT_SAFE != 0)
  24 # if defined(_POSIX_SEMAPHORES) && (_POSIX_SEMAPHORES-0 != -1 )
  25 #  if !defined(ACE_HAS_POSIX_SEM)
  26 #   define ACE_HAS_POSIX_SEM
  27 #  endif /* ACE_HAS_POSIX_SEM */
  28 #  if defined(ACE_HAS_POSIX_SEM)
  29 #   if !defined (ACE_HAS_POSIX_SEM_TIMEOUT) && \
  30        (defined (_POSIX_TIMEOUTS) && (_POSIX_TIMEOUTS-0 != -1))
  31 #     define ACE_HAS_POSIX_SEM_TIMEOUT
  32 #   endif /* ACE_HAS_POSIX_SEM_TIMEOUT && _POSIX_TIMEOUTS */
  33 #  endif /* ACE_HAS_POSIX_SEM */
  34 # endif /* ACE_HAS_POSIX_SEM */
  35 #endif /* !ACE_MT_SAFE */
  36
  37 #if defined(_POSIX_SHARED_MEMORY_OBJECTS) && (_POSIX_SHARED_MEMORY_OBJECTS-0 != -1 )
  38 # if !defined(ACE_HAS_SHM_OPEN)
  39 #  define ACE_HAS_SHM_OPEN
  40 # endif /* ACE_HAS_SHM_OPEN */
  41 #endif /* _POSIX_SHARED_MEMORY_OBJECTS */
  42
  43 // Check if threading enabled/disable through platform_macros
  44 #if !defined (ACE_MT_SAFE) || (ACE_MT_SAFE != 0)
  45 // Allow the user to disable use of threads by setting ACE_HAS_THREADS to 0
  46 // before including this file. The platform config (not macros) file can
  47 // often detect that the compiler was invoked with or without threads support
  48 // and set this accordingly.
  49 # if defined (ACE_HAS_THREADS) && (ACE_HAS_THREADS == 0)
  50 #   undef ACE_HAS_THREADS
  51 # else
  52 #   if defined(_POSIX_THREADS) && (_POSIX_THREADS-0 != -1 )
  53 #     if !defined(ACE_HAS_THREADS)
  54 #       define ACE_HAS_THREADS
  55 #     endif /* ACE_HAS_THREADS */
  56
  57 #     if !defined(ACE_HAS_PTHREADS)
  58 #       define ACE_HAS_PTHREADS
  59 #     endif /* ACE_HAS_PTHREADS */
  60
  61 #     if defined (_POSIX_CLOCK_SELECTION) && (_POSIX_CLOCK_SELECTION-0 != -1)
  62 #       if !defined (ACE_HAS_CONDATTR_SETCLOCK) && !defined (ACE_LACKS_CONDATTR_SETCLOCK)
  63 #         define ACE_HAS_CONDATTR_SETCLOCK
  64 #       endif
  65 #     endif
  66 #   endif /* _POSIX_THREADS */
  67 # endif /* ACE_HAS_THREADS */
  68 #endif /* !ACE_MT_SAFE */
  69
  70 #if defined(_POSIX_MESSAGE_PASSING) && (_POSIX_MESSAGE_PASSING-0 != -1 )
  71 # if !defined(ACE_HAS_POSIX_MESSAGE_PASSING)
  72 #  define ACE_HAS_POSIX_MESSAGE_PASSING
  73 # endif /* ACE_HAS_POSIX_MESSAGE_PASSING */
  74 #endif /* _POSIX_MESSAGE_PASSING */
  75
  76 #if defined (_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK-0 != -1)
  77 #  if !defined (ACE_HAS_CLOCK_GETTIME_MONOTONIC) && !defined (ACE_LACKS_CLOCK_MONOTONIC)
  78 #    define ACE_HAS_CLOCK_GETTIME_MONOTONIC
  79 #  endif
  80 #endif
  81
  82 #if defined (ACE_HAS_CONDATTR_SETCLOCK) && defined (ACE_HAS_CLOCK_GETTIME_MONOTONIC)
  83 #  if !defined (ACE_HAS_POSIX_MONOTONIC_CONDITIONS)
  84 #    define ACE_HAS_POSIX_MONOTONIC_CONDITIONS
  85 #  endif
  86 #  if !defined (ACE_HAS_MONOTONIC_CONDITIONS)
  87 #    define ACE_HAS_MONOTONIC_CONDITIONS
  88 #  endif
  89 #endif
  90
  91 #endif /* ACE_CONFIG_POSIX_H */