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) 2009-2014, 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-- 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 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 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 := 35; 68 EINTR : constant := 4; 69 EINVAL : constant := 22; 70 ENOMEM : constant := 12; 71 EPERM : constant := 1; 72 ETIMEDOUT : constant := 60; 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 := 10; -- 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 SIGURG : constant := 16; -- urgent condition on IO channel 93 SIGSTOP : constant := 17; -- stop (cannot be caught or ignored) 94 SIGTSTP : constant := 18; -- user stop requested from tty 95 SIGCONT : constant := 19; -- stopped process has been continued 96 SIGCLD : constant := 20; -- alias for SIGCHLD 97 SIGCHLD : constant := 20; -- child status change 98 SIGTTIN : constant := 21; -- background tty read attempted 99 SIGTTOU : constant := 22; -- background tty write attempted 100 SIGIO : constant := 23; -- I/O now possible (4.2 BSD) 101 SIGPOLL : constant := 23; -- pollable event occurred 102 SIGXCPU : constant := 24; -- CPU time limit exceeded 103 SIGXFSZ : constant := 25; -- filesize limit exceeded 104 SIGVTALRM : constant := 26; -- virtual timer expired 105 SIGPROF : constant := 27; -- profiling timer expired 106 SIGWINCH : constant := 28; -- window size change 107 SIGPWR : constant := 29; -- power-fail restart 108 SIGUSR1 : constant := 30; -- user defined signal 1 109 SIGUSR2 : constant := 31; -- user defined signal 2 110 111 SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal 112 SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal 113 SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal 114 115 SIGADAABORT : constant := SIGABRT; 116 -- Change this if you want to use another signal for task abort. 117 -- SIGTERM might be a good one. 118 119 SIGUNUSED : constant := 0; 120 SIGSTKFLT : constant := 0; 121 SIGLOST : constant := 0; 122 -- These don't exist for Linux/Alpha. The constants are present 123 -- so that we can continue to use a-intnam-linux.ads. 124 125 -- struct_sigaction offsets 126 127 sa_handler_pos : constant := 0; 128 sa_mask_pos : constant := Standard'Address_Size / 8; 129 sa_flags_pos : constant := 128 + sa_mask_pos; 130 131 SA_SIGINFO : constant := 16#40#; 132 SA_ONSTACK : constant := 16#01#; 133 134end System.Linux; 135