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 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 := 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 128end System.Linux; 129