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) 2009-2019, 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-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27--                                                                          --
28------------------------------------------------------------------------------
29
30--  This is the SPARC 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
38with Interfaces.C;
39
40package 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   subtype clockid_t   is Interfaces.C.int;
51
52   type timespec is record
53      tv_sec  : time_t;
54      tv_nsec : long;
55   end record;
56   pragma Convention (C, timespec);
57
58   type timeval is record
59      tv_sec  : time_t;
60      tv_usec : suseconds_t;
61   end record;
62   pragma Convention (C, timeval);
63
64   -----------
65   -- Errno --
66   -----------
67
68   EAGAIN    : constant := 11;
69   EINTR     : constant := 4;
70   EINVAL    : constant := 22;
71   ENOMEM    : constant := 12;
72   EPERM     : constant := 1;
73   ETIMEDOUT : constant := 60;
74
75   -------------
76   -- Signals --
77   -------------
78
79   SIGHUP     : constant := 1; --  hangup
80   SIGINT     : constant := 2; --  interrupt (rubout)
81   SIGQUIT    : constant := 3; --  quit (ASCD FS)
82   SIGILL     : constant := 4; --  illegal instruction (not reset)
83   SIGTRAP    : constant := 5; --  trace trap (not reset)
84   SIGABRT    : constant := 6; --  used by abort, replace SIGIOT in the  future
85   SIGIOT     : constant := 6; --  IOT instruction
86   SIGEMT     : constant := 7; --  EMT
87   SIGFPE     : constant := 8; --  floating point exception
88   SIGKILL    : constant := 9; --  kill (cannot be caught or ignored)
89   SIGBUS     : constant := 10; --  bus error
90   SIGSEGV    : constant := 11; --  segmentation violation
91   SIGSYS     : constant := 12; --  bad system call
92   SIGPIPE    : constant := 13; --  write on a pipe with no one to read it
93   SIGALRM    : constant := 14; --  alarm clock
94   SIGTERM    : constant := 15; --  software termination signal from kill
95   SIGURG     : constant := 16; --  urgent condition on IO channel
96   SIGSTOP    : constant := 17; --  stop (cannot be caught or ignored)
97   SIGTSTP    : constant := 18; --  user stop requested from tty
98   SIGCONT    : constant := 19; --  stopped process has been continued
99   SIGCHLD    : constant := 20; --  child status change
100   SIGCLD     : constant := 20; --  alias for SIGCHLD
101   SIGTTIN    : constant := 21; --  background tty read attempted
102   SIGTTOU    : constant := 22; --  background tty write attempted
103   SIGIO      : constant := 23; --  I/O now possible (4.2 BSD)
104   SIGPOLL    : constant := 23; --  pollable event occurred
105   SIGXCPU    : constant := 24; --  CPU time limit exceeded
106   SIGXFSZ    : constant := 25; --  filesize limit exceeded
107   SIGVTALRM  : constant := 26; --  virtual timer expired
108   SIGPROF    : constant := 27; --  profiling timer expired
109   SIGWINCH   : constant := 28; --  window size change
110   SIGLOST    : constant := 29; --  File lock lost
111   SIGPWR     : constant := 29; --  power-fail restart
112   SIGUSR1    : constant := 30; --  user defined signal 1
113   SIGUSR2    : constant := 31; --  user defined signal 2
114
115   SIG32      : constant := 32; --  glibc internal signal
116   SIG33      : constant := 33; --  glibc internal signal
117   SIG34      : constant := 34; --  glibc internal signal
118
119   SIGUNUSED  : constant := 0;
120   SIGSTKFLT  : constant := 0;
121   --  These don't exist for Linux/SPARC.  The constants are present
122   --  so that we can continue to use a-intnam-linux.ads.
123
124   --  struct_sigaction offsets
125
126   sa_handler_pos : constant := 0;
127   sa_mask_pos    : constant := Standard'Address_Size / 8;
128   sa_flags_pos   : constant := 128 + sa_mask_pos;
129
130   SA_SIGINFO  : constant := 16#200#;
131   SA_ONSTACK  : constant := 16#001#;
132
133end System.Linux;
134