gcc/ada/s-linux-android.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS               --
   4 --                                                                          --
   5 --                          S Y S T E M .  L I N U X                        --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 --            Copyright (C) 2014, Free Software Foundation, Inc.            --
  10 --                                                                          --
  11 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- In particular,  you can freely  distribute your programs  built with the --
  23 -- GNAT Pro compiler, including any required library run-time units,  using --
  24 -- any licensing terms  of your choosing.  See the AdaCore Software License --
  25 -- for full details.                                                        --
  26 --                                                                          --
  27 --                                                                          --
  28 ------------------------------------------------------------------------------
  29
  30 --  This is the Android version of this package
  31
  32 --  This package encapsulates cpu specific differences between implementations
  33 --  of GNU/Linux, in order to share s-osinte-linux.ads.
  34
  35 --  PLEASE DO NOT add any with-clauses to this package or remove the pragma
  36 --  Preelaborate. This package is designed to be a bottom-level (leaf) package
  37
  38 with Interfaces.C;
  39
  40 package System.Linux is
  41    pragma Preelaborate;
  42
  43    ----------
  44    -- Time --
  45    ----------
  46
  47    subtype long        is Interfaces.C.long;
  48    subtype suseconds_t is Interfaces.C.long;
  49    subtype time_t      is Interfaces.C.long;
  50
  51    type timespec is record
  52       tv_sec  : time_t;
  53       tv_nsec : long;
  54    end record;
  55    pragma Convention (C, timespec);
  56
  57    type timeval is record
  58       tv_sec  : time_t;
  59       tv_usec : suseconds_t;
  60    end record;
  61    pragma Convention (C, timeval);
  62
  63    -----------
  64    -- Errno --
  65    -----------
  66
  67    EAGAIN    : constant := 11;
  68    EINTR     : constant := 4;
  69    EINVAL    : constant := 22;
  70    ENOMEM    : constant := 12;
  71    EPERM     : constant := 1;
  72    ETIMEDOUT : constant := 110;
  73
  74    -------------
  75    -- Signals --
  76    -------------
  77
  78    SIGHUP     : constant := 1; --  hangup
  79    SIGINT     : constant := 2; --  interrupt (rubout)
  80    SIGQUIT    : constant := 3; --  quit (ASCD FS)
  81    SIGILL     : constant := 4; --  illegal instruction (not reset)
  82    SIGTRAP    : constant := 5; --  trace trap (not reset)
  83    SIGIOT     : constant := 6; --  IOT instruction
  84    SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
  85    SIGFPE     : constant := 8; --  floating point exception
  86    SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
  87    SIGBUS     : constant := 7; --  bus error
  88    SIGSEGV    : constant := 11; --  segmentation violation
  89    SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
  90    SIGALRM    : constant := 14; --  alarm clock
  91    SIGTERM    : constant := 15; --  software termination signal from kill
  92    SIGUSR1    : constant := 10; --  user defined signal 1
  93    SIGUSR2    : constant := 12; --  user defined signal 2
  94    SIGCLD     : constant := 17; --  alias for SIGCHLD
  95    SIGCHLD    : constant := 17; --  child status change
  96    SIGPWR     : constant := 30; --  power-fail restart
  97    SIGWINCH   : constant := 28; --  window size change
  98    SIGURG     : constant := 23; --  urgent condition on IO channel
  99    SIGPOLL    : constant := 29; --  pollable event occurred
 100    SIGIO      : constant := 29; --  I/O now possible (4.2 BSD)
 101    SIGLOST    : constant := 29; --  File lock lost
 102    SIGSTOP    : constant := 19; --  stop (cannot be caught or ignored)
 103    SIGTSTP    : constant := 20; --  user stop requested from tty
 104    SIGCONT    : constant := 18; --  stopped process has been continued
 105    SIGTTIN    : constant := 21; --  background tty read attempted
 106    SIGTTOU    : constant := 22; --  background tty write attempted
 107    SIGVTALRM  : constant := 26; --  virtual timer expired
 108    SIGPROF    : constant := 27; --  profiling timer expired
 109    SIGXCPU    : constant := 24; --  CPU time limit exceeded
 110    SIGXFSZ    : constant := 25; --  filesize limit exceeded
 111    SIGUNUSED  : constant := 31; --  unused signal (GNU/Linux)
 112    SIGSTKFLT  : constant := 16; --  coprocessor stack fault (Linux)
 113    SIGLTHRRES : constant := 32; --  GNU/LinuxThreads restart signal
 114    SIGLTHRCAN : constant := 33; --  GNU/LinuxThreads cancel signal
 115    SIGLTHRDBG : constant := 34; --  GNU/LinuxThreads debugger signal
 116
 117    --  struct_sigaction offsets
 118
 119    sa_handler_pos : constant := 0;
 120    sa_mask_pos    : constant := Standard'Address_Size / 8;
 121    sa_flags_pos   : constant := 4 + sa_mask_pos;
 122
 123    SA_SIGINFO  : constant := 16#00000004#;
 124    SA_ONSTACK  : constant := 16#08000000#;
 125    SA_RESTART  : constant := 16#10000000#;
 126    SA_NODEFER  : constant := 16#40000000#;
 127
 128 end System.Linux;