| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- |
| -- -- |
| -- S Y S T E M . L I N U X -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2009-2014, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNARL is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This is the alpha version of this package |
| |
| -- This package encapsulates cpu specific differences between implementations |
| -- of GNU/Linux, in order to share s-osinte-linux.ads. |
| |
| -- PLEASE DO NOT add any with-clauses to this package or remove the pragma |
| -- Preelaborate. This package is designed to be a bottom-level (leaf) package. |
| |
| with Interfaces.C; |
| |
| package System.Linux is |
| pragma Preelaborate; |
| |
| ---------- |
| -- Time -- |
| ---------- |
| |
| subtype long is Interfaces.C.long; |
| subtype suseconds_t is Interfaces.C.long; |
| subtype time_t is Interfaces.C.long; |
| subtype clockid_t is Interfaces.C.int; |
| |
| type timespec is record |
| tv_sec : time_t; |
| tv_nsec : long; |
| end record; |
| pragma Convention (C, timespec); |
| |
| type timeval is record |
| tv_sec : time_t; |
| tv_usec : suseconds_t; |
| end record; |
| pragma Convention (C, timeval); |
| |
| ----------- |
| -- Errno -- |
| ----------- |
| |
| EAGAIN : constant := 35; |
| EINTR : constant := 4; |
| EINVAL : constant := 22; |
| ENOMEM : constant := 12; |
| EPERM : constant := 1; |
| ETIMEDOUT : constant := 60; |
| |
| ------------- |
| -- Signals -- |
| ------------- |
| |
| SIGHUP : constant := 1; -- hangup |
| SIGINT : constant := 2; -- interrupt (rubout) |
| SIGQUIT : constant := 3; -- quit (ASCD FS) |
| SIGILL : constant := 4; -- illegal instruction (not reset) |
| SIGTRAP : constant := 5; -- trace trap (not reset) |
| SIGIOT : constant := 6; -- IOT instruction |
| SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future |
| SIGFPE : constant := 8; -- floating point exception |
| SIGKILL : constant := 9; -- kill (cannot be caught or ignored) |
| SIGBUS : constant := 10; -- bus error |
| SIGSEGV : constant := 11; -- segmentation violation |
| SIGPIPE : constant := 13; -- write on a pipe with no one to read it |
| SIGALRM : constant := 14; -- alarm clock |
| SIGTERM : constant := 15; -- software termination signal from kill |
| SIGURG : constant := 16; -- urgent condition on IO channel |
| SIGSTOP : constant := 17; -- stop (cannot be caught or ignored) |
| SIGTSTP : constant := 18; -- user stop requested from tty |
| SIGCONT : constant := 19; -- stopped process has been continued |
| SIGCLD : constant := 20; -- alias for SIGCHLD |
| SIGCHLD : constant := 20; -- child status change |
| SIGTTIN : constant := 21; -- background tty read attempted |
| SIGTTOU : constant := 22; -- background tty write attempted |
| SIGIO : constant := 23; -- I/O now possible (4.2 BSD) |
| SIGPOLL : constant := 23; -- pollable event occurred |
| SIGXCPU : constant := 24; -- CPU time limit exceeded |
| SIGXFSZ : constant := 25; -- filesize limit exceeded |
| SIGVTALRM : constant := 26; -- virtual timer expired |
| SIGPROF : constant := 27; -- profiling timer expired |
| SIGWINCH : constant := 28; -- window size change |
| SIGPWR : constant := 29; -- power-fail restart |
| SIGUSR1 : constant := 30; -- user defined signal 1 |
| SIGUSR2 : constant := 31; -- user defined signal 2 |
| |
| SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal |
| SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal |
| SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal |
| |
| SIGADAABORT : constant := SIGABRT; |
| -- Change this if you want to use another signal for task abort. |
| -- SIGTERM might be a good one. |
| |
| SIGUNUSED : constant := 0; |
| SIGSTKFLT : constant := 0; |
| SIGLOST : constant := 0; |
| -- These don't exist for Linux/Alpha. The constants are present |
| -- so that we can continue to use a-intnam-linux.ads. |
| |
| -- struct_sigaction offsets |
| |
| sa_handler_pos : constant := 0; |
| sa_mask_pos : constant := Standard'Address_Size / 8; |
| sa_flags_pos : constant := 128 + sa_mask_pos; |
| |
| SA_SIGINFO : constant := 16#40#; |
| SA_ONSTACK : constant := 16#01#; |
| |
| end System.Linux; |
