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) 2009-2011, 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 alpha 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 38package System.Linux is 39 pragma Preelaborate; 40 41 ----------- 42 -- Errno -- 43 ----------- 44 45 EAGAIN : constant := 35; 46 EINTR : constant := 4; 47 EINVAL : constant := 22; 48 ENOMEM : constant := 12; 49 EPERM : constant := 1; 50 ETIMEDOUT : constant := 60; 51 52 ------------- 53 -- Signals -- 54 ------------- 55 56 SIGHUP : constant := 1; -- hangup 57 SIGINT : constant := 2; -- interrupt (rubout) 58 SIGQUIT : constant := 3; -- quit (ASCD FS) 59 SIGILL : constant := 4; -- illegal instruction (not reset) 60 SIGTRAP : constant := 5; -- trace trap (not reset) 61 SIGIOT : constant := 6; -- IOT instruction 62 SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future 63 SIGFPE : constant := 8; -- floating point exception 64 SIGKILL : constant := 9; -- kill (cannot be caught or ignored) 65 SIGBUS : constant := 10; -- bus error 66 SIGSEGV : constant := 11; -- segmentation violation 67 SIGPIPE : constant := 13; -- write on a pipe with no one to read it 68 SIGALRM : constant := 14; -- alarm clock 69 SIGTERM : constant := 15; -- software termination signal from kill 70 SIGURG : constant := 16; -- urgent condition on IO channel 71 SIGSTOP : constant := 17; -- stop (cannot be caught or ignored) 72 SIGTSTP : constant := 18; -- user stop requested from tty 73 SIGCONT : constant := 19; -- stopped process has been continued 74 SIGCLD : constant := 20; -- alias for SIGCHLD 75 SIGCHLD : constant := 20; -- child status change 76 SIGTTIN : constant := 21; -- background tty read attempted 77 SIGTTOU : constant := 22; -- background tty write attempted 78 SIGIO : constant := 23; -- I/O now possible (4.2 BSD) 79 SIGPOLL : constant := 23; -- pollable event occurred 80 SIGXCPU : constant := 24; -- CPU time limit exceeded 81 SIGXFSZ : constant := 25; -- filesize limit exceeded 82 SIGVTALRM : constant := 26; -- virtual timer expired 83 SIGPROF : constant := 27; -- profiling timer expired 84 SIGWINCH : constant := 28; -- window size change 85 SIGPWR : constant := 29; -- power-fail restart 86 SIGUSR1 : constant := 30; -- user defined signal 1 87 SIGUSR2 : constant := 31; -- user defined signal 2 88 89 SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal 90 SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal 91 SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal 92 93 SIGADAABORT : constant := SIGABRT; 94 -- Change this if you want to use another signal for task abort. 95 -- SIGTERM might be a good one. 96 97 SIGUNUSED : constant := 0; 98 SIGSTKFLT : constant := 0; 99 SIGLOST : constant := 0; 100 -- These don't exist for Linux/Alpha. The constants are present 101 -- so that we can continue to use a-intnam-linux.ads. 102 103 -- struct_sigaction offsets 104 105 sa_handler_pos : constant := 0; 106 sa_mask_pos : constant := Standard'Address_Size / 8; 107 sa_flags_pos : constant := 128 + sa_mask_pos; 108 109 SA_SIGINFO : constant := 16#40#; 110 SA_ONSTACK : constant := 16#01#; 111 112end System.Linux; 113