137 lines
6.0 KiB
Ada
137 lines
6.0 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . L I N U X --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2009-2020, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- --
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------------------------------------------------------------------------------
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-- This is the alpha version of this package
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-- This package encapsulates cpu specific differences between implementations
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-- of GNU/Linux, in order to share s-osinte-linux.ads.
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-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
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-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
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with Interfaces.C;
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package System.Linux is
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pragma Preelaborate;
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----------
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-- Time --
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----------
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subtype long is Interfaces.C.long;
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subtype suseconds_t is Interfaces.C.long;
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subtype time_t is Interfaces.C.long;
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subtype clockid_t is Interfaces.C.int;
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type timespec is record
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tv_sec : time_t;
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tv_nsec : long;
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end record;
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pragma Convention (C, timespec);
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type timeval is record
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tv_sec : time_t;
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tv_usec : suseconds_t;
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end record;
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pragma Convention (C, timeval);
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-----------
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-- Errno --
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-----------
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EAGAIN : constant := 35;
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EINTR : constant := 4;
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EINVAL : constant := 22;
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ENOMEM : constant := 12;
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EPERM : constant := 1;
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ETIMEDOUT : constant := 60;
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-------------
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-- Signals --
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-------------
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SIGHUP : constant := 1; -- hangup
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SIGINT : constant := 2; -- interrupt (rubout)
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SIGQUIT : constant := 3; -- quit (ASCD FS)
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SIGILL : constant := 4; -- illegal instruction (not reset)
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SIGTRAP : constant := 5; -- trace trap (not reset)
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SIGIOT : constant := 6; -- IOT instruction
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SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
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SIGFPE : constant := 8; -- floating point exception
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SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
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SIGBUS : constant := 10; -- bus error
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SIGSEGV : constant := 11; -- segmentation violation
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SIGSYS : constant := 12; -- bad system call
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SIGPIPE : constant := 13; -- write on a pipe with no one to read it
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SIGALRM : constant := 14; -- alarm clock
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SIGTERM : constant := 15; -- software termination signal from kill
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SIGURG : constant := 16; -- urgent condition on IO channel
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SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
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SIGTSTP : constant := 18; -- user stop requested from tty
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SIGCONT : constant := 19; -- stopped process has been continued
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SIGCLD : constant := 20; -- alias for SIGCHLD
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SIGCHLD : constant := 20; -- child status change
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SIGTTIN : constant := 21; -- background tty read attempted
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SIGTTOU : constant := 22; -- background tty write attempted
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SIGIO : constant := 23; -- I/O now possible (4.2 BSD)
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SIGPOLL : constant := 23; -- pollable event occurred
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SIGXCPU : constant := 24; -- CPU time limit exceeded
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SIGXFSZ : constant := 25; -- filesize limit exceeded
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SIGVTALRM : constant := 26; -- virtual timer expired
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SIGPROF : constant := 27; -- profiling timer expired
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SIGWINCH : constant := 28; -- window size change
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SIGPWR : constant := 29; -- power-fail restart
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SIGUSR1 : constant := 30; -- user defined signal 1
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SIGUSR2 : constant := 31; -- user defined signal 2
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SIG32 : constant := 32; -- glibc internal signal
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SIG33 : constant := 33; -- glibc internal signal
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SIG34 : constant := 34; -- glibc internal signal
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SIGADAABORT : constant := SIGABRT;
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-- Change this if you want to use another signal for task abort.
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-- SIGTERM might be a good one.
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SIGUNUSED : constant := 0;
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SIGSTKFLT : constant := 0;
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SIGLOST : constant := 0;
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-- These don't exist for Linux/Alpha. The constants are present
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-- so that we can continue to use a-intnam-linux.ads.
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-- struct_sigaction offsets
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sa_handler_pos : constant := 0;
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sa_mask_pos : constant := Standard'Address_Size / 8;
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sa_flags_pos : constant := 128 + sa_mask_pos;
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SA_SIGINFO : constant := 16#40#;
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SA_ONSTACK : constant := 16#01#;
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end System.Linux;
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