665 lines
24 KiB
Ada
665 lines
24 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . O S _ I N T E R F A C E --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1991-1994, Florida State University --
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-- Copyright (C) 1995-2015, Free Software Foundation, Inc. --
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-- --
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-- GNAT 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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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This is a GNU/Linux (GNU/LinuxThreads) version of this package
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-- This package encapsulates all direct interfaces to OS services
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-- that are needed by the tasking run-time (libgnarl).
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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 Ada.Unchecked_Conversion;
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with Interfaces.C;
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with System.Linux;
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with System.OS_Constants;
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package System.OS_Interface is
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pragma Preelaborate;
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pragma Linker_Options ("-lpthread");
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pragma Linker_Options ("-lrt");
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-- Needed for clock_getres with glibc versions prior to 2.17
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subtype int is Interfaces.C.int;
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subtype char is Interfaces.C.char;
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subtype short is Interfaces.C.short;
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subtype long is Interfaces.C.long;
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subtype unsigned is Interfaces.C.unsigned;
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subtype unsigned_short is Interfaces.C.unsigned_short;
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subtype unsigned_long is Interfaces.C.unsigned_long;
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subtype unsigned_char is Interfaces.C.unsigned_char;
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subtype plain_char is Interfaces.C.plain_char;
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subtype size_t is Interfaces.C.size_t;
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-----------
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-- Errno --
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-----------
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function errno return int;
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pragma Import (C, errno, "__get_errno");
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EAGAIN : constant := System.Linux.EAGAIN;
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EINTR : constant := System.Linux.EINTR;
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EINVAL : constant := System.Linux.EINVAL;
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ENOMEM : constant := System.Linux.ENOMEM;
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EPERM : constant := System.Linux.EPERM;
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ETIMEDOUT : constant := System.Linux.ETIMEDOUT;
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-------------
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-- Signals --
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-------------
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Max_Interrupt : constant := 63;
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type Signal is new int range 0 .. Max_Interrupt;
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for Signal'Size use int'Size;
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SIGHUP : constant := System.Linux.SIGHUP;
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SIGINT : constant := System.Linux.SIGINT;
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SIGQUIT : constant := System.Linux.SIGQUIT;
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SIGILL : constant := System.Linux.SIGILL;
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SIGTRAP : constant := System.Linux.SIGTRAP;
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SIGIOT : constant := System.Linux.SIGIOT;
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SIGABRT : constant := System.Linux.SIGABRT;
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SIGFPE : constant := System.Linux.SIGFPE;
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SIGKILL : constant := System.Linux.SIGKILL;
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SIGBUS : constant := System.Linux.SIGBUS;
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SIGSEGV : constant := System.Linux.SIGSEGV;
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SIGPIPE : constant := System.Linux.SIGPIPE;
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SIGALRM : constant := System.Linux.SIGALRM;
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SIGTERM : constant := System.Linux.SIGTERM;
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SIGUSR1 : constant := System.Linux.SIGUSR1;
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SIGUSR2 : constant := System.Linux.SIGUSR2;
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SIGCLD : constant := System.Linux.SIGCLD;
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SIGCHLD : constant := System.Linux.SIGCHLD;
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SIGPWR : constant := System.Linux.SIGPWR;
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SIGWINCH : constant := System.Linux.SIGWINCH;
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SIGURG : constant := System.Linux.SIGURG;
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SIGPOLL : constant := System.Linux.SIGPOLL;
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SIGIO : constant := System.Linux.SIGIO;
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SIGLOST : constant := System.Linux.SIGLOST;
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SIGSTOP : constant := System.Linux.SIGSTOP;
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SIGTSTP : constant := System.Linux.SIGTSTP;
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SIGCONT : constant := System.Linux.SIGCONT;
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SIGTTIN : constant := System.Linux.SIGTTIN;
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SIGTTOU : constant := System.Linux.SIGTTOU;
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SIGVTALRM : constant := System.Linux.SIGVTALRM;
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SIGPROF : constant := System.Linux.SIGPROF;
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SIGXCPU : constant := System.Linux.SIGXCPU;
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SIGXFSZ : constant := System.Linux.SIGXFSZ;
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SIGUNUSED : constant := System.Linux.SIGUNUSED;
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SIGSTKFLT : constant := System.Linux.SIGSTKFLT;
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SIGLTHRRES : constant := System.Linux.SIGLTHRRES;
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SIGLTHRCAN : constant := System.Linux.SIGLTHRCAN;
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SIGLTHRDBG : constant := System.Linux.SIGLTHRDBG;
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SIGADAABORT : constant := SIGABRT;
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-- Change this to use another signal for task abort. SIGTERM might be a
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-- good one.
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type Signal_Set is array (Natural range <>) of Signal;
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Unmasked : constant Signal_Set := (
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SIGTRAP,
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-- To enable debugging on multithreaded applications, mark SIGTRAP to
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-- be kept unmasked.
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SIGBUS,
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SIGTTIN, SIGTTOU, SIGTSTP,
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-- Keep these three signals unmasked so that background processes and IO
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-- behaves as normal "C" applications
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SIGPROF,
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-- To avoid confusing the profiler
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SIGKILL, SIGSTOP,
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-- These two signals actually can't be masked (POSIX won't allow it)
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SIGLTHRRES, SIGLTHRCAN, SIGLTHRDBG);
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-- These three signals are used by GNU/LinuxThreads starting from glibc
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-- 2.1 (future 2.2).
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Reserved : constant Signal_Set := (SIGVTALRM, SIGUNUSED);
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-- Not clear why these two signals are reserved. Perhaps they are not
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-- supported by this version of GNU/Linux ???
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type sigset_t is private;
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function sigaddset (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigaddset, "sigaddset");
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function sigdelset (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigdelset, "sigdelset");
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function sigfillset (set : access sigset_t) return int;
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pragma Import (C, sigfillset, "sigfillset");
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function sigismember (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigismember, "sigismember");
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function sigemptyset (set : access sigset_t) return int;
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pragma Import (C, sigemptyset, "sigemptyset");
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type union_type_3 is new String (1 .. 116);
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type siginfo_t is record
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si_signo : int;
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si_code : int;
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si_errno : int;
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X_data : union_type_3;
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end record;
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pragma Convention (C, siginfo_t);
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type struct_sigaction is record
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sa_handler : System.Address;
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sa_mask : sigset_t;
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sa_flags : Interfaces.C.unsigned_long;
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sa_restorer : System.Address;
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end record;
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pragma Convention (C, struct_sigaction);
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type struct_sigaction_ptr is access all struct_sigaction;
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type Machine_State is record
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eip : unsigned_long;
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ebx : unsigned_long;
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esp : unsigned_long;
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ebp : unsigned_long;
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esi : unsigned_long;
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edi : unsigned_long;
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end record;
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type Machine_State_Ptr is access all Machine_State;
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SA_SIGINFO : constant := System.Linux.SA_SIGINFO;
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SA_ONSTACK : constant := System.Linux.SA_ONSTACK;
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SIG_BLOCK : constant := 0;
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SIG_UNBLOCK : constant := 1;
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SIG_SETMASK : constant := 2;
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SIG_DFL : constant := 0;
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SIG_IGN : constant := 1;
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function sigaction
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(sig : Signal;
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act : struct_sigaction_ptr;
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oact : struct_sigaction_ptr) return int;
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pragma Import (C, sigaction, "sigaction");
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----------
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-- Time --
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----------
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subtype time_t is System.Linux.time_t;
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subtype timespec is System.Linux.timespec;
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subtype timeval is System.Linux.timeval;
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subtype clockid_t is System.Linux.clockid_t;
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function clock_gettime
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(clock_id : clockid_t; tp : access timespec) return int;
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pragma Import (C, clock_gettime, "clock_gettime");
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function clock_getres
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(clock_id : clockid_t;
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res : access timespec) return int;
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pragma Import (C, clock_getres, "clock_getres");
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function To_Duration (TS : timespec) return Duration;
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pragma Inline (To_Duration);
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function To_Timespec (D : Duration) return timespec;
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pragma Inline (To_Timespec);
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function sysconf (name : int) return long;
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pragma Import (C, sysconf);
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SC_CLK_TCK : constant := 2;
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SC_NPROCESSORS_ONLN : constant := 84;
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-------------------------
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-- Priority Scheduling --
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-------------------------
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SCHED_OTHER : constant := 0;
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SCHED_FIFO : constant := 1;
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SCHED_RR : constant := 2;
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function To_Target_Priority
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(Prio : System.Any_Priority) return Interfaces.C.int;
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-- Maps System.Any_Priority to a POSIX priority
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-------------
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-- Process --
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-------------
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type pid_t is private;
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function kill (pid : pid_t; sig : Signal) return int;
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pragma Import (C, kill, "kill");
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function getpid return pid_t;
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pragma Import (C, getpid, "getpid");
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PR_SET_NAME : constant := 15;
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function prctl
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(option : int;
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arg2, arg3, arg4, arg5 : unsigned_long := 0) return int;
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pragma Import (C, prctl);
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-------------
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-- Threads --
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-------------
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type Thread_Body is access
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function (arg : System.Address) return System.Address;
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pragma Convention (C, Thread_Body);
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function Thread_Body_Access is new
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Ada.Unchecked_Conversion (System.Address, Thread_Body);
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type pthread_t is new unsigned_long;
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subtype Thread_Id is pthread_t;
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function To_pthread_t is
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new Ada.Unchecked_Conversion (unsigned_long, pthread_t);
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type pthread_mutex_t is limited private;
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type pthread_rwlock_t is limited private;
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type pthread_cond_t is limited private;
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type pthread_attr_t is limited private;
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type pthread_mutexattr_t is limited private;
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type pthread_rwlockattr_t is limited private;
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type pthread_condattr_t is limited private;
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type pthread_key_t is private;
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PTHREAD_CREATE_DETACHED : constant := 1;
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-----------
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-- Stack --
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-----------
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type stack_t is record
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ss_sp : System.Address;
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ss_flags : int;
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ss_size : size_t;
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end record;
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pragma Convention (C, stack_t);
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function sigaltstack
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(ss : not null access stack_t;
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oss : access stack_t) return int;
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pragma Import (C, sigaltstack, "sigaltstack");
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Alternate_Stack : aliased System.Address;
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pragma Import (C, Alternate_Stack, "__gnat_alternate_stack");
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-- The alternate signal stack for stack overflows
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Alternate_Stack_Size : constant := 16 * 1024;
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-- This must be in keeping with init.c:__gnat_alternate_stack
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function Get_Stack_Base (thread : pthread_t) return Address;
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pragma Inline (Get_Stack_Base);
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-- This is a dummy procedure to share some GNULLI files
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---------------------------------------
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-- Nonstandard Thread Initialization --
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---------------------------------------
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procedure pthread_init;
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pragma Inline (pthread_init);
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-- This is a dummy procedure to share some GNULLI files
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-------------------------
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-- POSIX.1c Section 3 --
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-------------------------
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function sigwait (set : access sigset_t; sig : access Signal) return int;
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pragma Import (C, sigwait, "sigwait");
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function pthread_kill (thread : pthread_t; sig : Signal) return int;
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pragma Import (C, pthread_kill, "pthread_kill");
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function pthread_sigmask
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(how : int;
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set : access sigset_t;
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oset : access sigset_t) return int;
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pragma Import (C, pthread_sigmask, "pthread_sigmask");
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--------------------------
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-- POSIX.1c Section 11 --
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--------------------------
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function pthread_mutexattr_init
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(attr : access pthread_mutexattr_t) return int;
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pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
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function pthread_mutexattr_destroy
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(attr : access pthread_mutexattr_t) return int;
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pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
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function pthread_mutex_init
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(mutex : access pthread_mutex_t;
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attr : access pthread_mutexattr_t) return int;
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pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
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function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
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pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
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function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
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pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
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function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
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pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
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function pthread_rwlockattr_init
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(attr : access pthread_rwlockattr_t) return int;
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pragma Import (C, pthread_rwlockattr_init, "pthread_rwlockattr_init");
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function pthread_rwlockattr_destroy
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(attr : access pthread_rwlockattr_t) return int;
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pragma Import (C, pthread_rwlockattr_destroy, "pthread_rwlockattr_destroy");
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PTHREAD_RWLOCK_PREFER_READER_NP : constant := 0;
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PTHREAD_RWLOCK_PREFER_WRITER_NP : constant := 1;
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PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP : constant := 2;
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function pthread_rwlockattr_setkind_np
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(attr : access pthread_rwlockattr_t;
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pref : int) return int;
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pragma Import
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(C, pthread_rwlockattr_setkind_np, "pthread_rwlockattr_setkind_np");
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function pthread_rwlock_init
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(mutex : access pthread_rwlock_t;
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attr : access pthread_rwlockattr_t) return int;
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pragma Import (C, pthread_rwlock_init, "pthread_rwlock_init");
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function pthread_rwlock_destroy
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(mutex : access pthread_rwlock_t) return int;
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pragma Import (C, pthread_rwlock_destroy, "pthread_rwlock_destroy");
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function pthread_rwlock_rdlock (mutex : access pthread_rwlock_t) return int;
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pragma Import (C, pthread_rwlock_rdlock, "pthread_rwlock_rdlock");
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function pthread_rwlock_wrlock (mutex : access pthread_rwlock_t) return int;
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pragma Import (C, pthread_rwlock_wrlock, "pthread_rwlock_wrlock");
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function pthread_rwlock_unlock (mutex : access pthread_rwlock_t) return int;
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pragma Import (C, pthread_rwlock_unlock, "pthread_rwlock_unlock");
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function pthread_condattr_init
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(attr : access pthread_condattr_t) return int;
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pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
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function pthread_condattr_destroy
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(attr : access pthread_condattr_t) return int;
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pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
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function pthread_cond_init
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(cond : access pthread_cond_t;
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attr : access pthread_condattr_t) return int;
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pragma Import (C, pthread_cond_init, "pthread_cond_init");
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function pthread_cond_destroy (cond : access pthread_cond_t) return int;
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pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
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function pthread_cond_signal (cond : access pthread_cond_t) return int;
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pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
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function pthread_cond_wait
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(cond : access pthread_cond_t;
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mutex : access pthread_mutex_t) return int;
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pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
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function pthread_cond_timedwait
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(cond : access pthread_cond_t;
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mutex : access pthread_mutex_t;
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abstime : access timespec) return int;
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pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
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--------------------------
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-- POSIX.1c Section 13 --
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--------------------------
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type struct_sched_param is record
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sched_priority : int; -- scheduling priority
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end record;
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pragma Convention (C, struct_sched_param);
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function pthread_setschedparam
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(thread : pthread_t;
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policy : int;
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param : access struct_sched_param) return int;
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pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
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function pthread_attr_setschedpolicy
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(attr : access pthread_attr_t;
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policy : int) return int;
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pragma Import
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(C, pthread_attr_setschedpolicy, "pthread_attr_setschedpolicy");
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function sched_yield return int;
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pragma Import (C, sched_yield, "sched_yield");
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---------------------------
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-- P1003.1c - Section 16 --
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---------------------------
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function pthread_attr_init
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(attributes : access pthread_attr_t) return int;
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pragma Import (C, pthread_attr_init, "pthread_attr_init");
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function pthread_attr_destroy
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(attributes : access pthread_attr_t) return int;
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pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
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function pthread_attr_setdetachstate
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(attr : access pthread_attr_t;
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detachstate : int) return int;
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pragma Import
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(C, pthread_attr_setdetachstate, "pthread_attr_setdetachstate");
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function pthread_attr_setstacksize
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(attr : access pthread_attr_t;
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stacksize : size_t) return int;
|
|
pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
|
|
|
|
function pthread_create
|
|
(thread : access pthread_t;
|
|
attributes : access pthread_attr_t;
|
|
start_routine : Thread_Body;
|
|
arg : System.Address) return int;
|
|
pragma Import (C, pthread_create, "pthread_create");
|
|
|
|
procedure pthread_exit (status : System.Address);
|
|
pragma Import (C, pthread_exit, "pthread_exit");
|
|
|
|
function pthread_self return pthread_t;
|
|
pragma Import (C, pthread_self, "pthread_self");
|
|
|
|
function lwp_self return System.Address;
|
|
pragma Import (C, lwp_self, "__gnat_lwp_self");
|
|
|
|
--------------------------
|
|
-- POSIX.1c Section 17 --
|
|
--------------------------
|
|
|
|
function pthread_setspecific
|
|
(key : pthread_key_t;
|
|
value : System.Address) return int;
|
|
pragma Import (C, pthread_setspecific, "pthread_setspecific");
|
|
|
|
function pthread_getspecific (key : pthread_key_t) return System.Address;
|
|
pragma Import (C, pthread_getspecific, "pthread_getspecific");
|
|
|
|
type destructor_pointer is access procedure (arg : System.Address);
|
|
pragma Convention (C, destructor_pointer);
|
|
|
|
function pthread_key_create
|
|
(key : access pthread_key_t;
|
|
destructor : destructor_pointer) return int;
|
|
pragma Import (C, pthread_key_create, "pthread_key_create");
|
|
|
|
----------------
|
|
-- Extensions --
|
|
----------------
|
|
|
|
CPU_SETSIZE : constant := 1_024;
|
|
-- Size of the cpu_set_t mask on most linux systems (SUSE 11 uses 4_096).
|
|
-- This is kept for backward compatibility (System.Task_Info uses it), but
|
|
-- the run-time library does no longer rely on static masks, using
|
|
-- dynamically allocated masks instead.
|
|
|
|
type bit_field is array (1 .. CPU_SETSIZE) of Boolean;
|
|
for bit_field'Size use CPU_SETSIZE;
|
|
pragma Pack (bit_field);
|
|
pragma Convention (C, bit_field);
|
|
|
|
type cpu_set_t is record
|
|
bits : bit_field;
|
|
end record;
|
|
pragma Convention (C, cpu_set_t);
|
|
|
|
type cpu_set_t_ptr is access all cpu_set_t;
|
|
-- In the run-time library we use this pointer because the size of type
|
|
-- cpu_set_t varies depending on the glibc version. Hence, objects of type
|
|
-- cpu_set_t are allocated dynamically using the number of processors
|
|
-- available in the target machine (value obtained at execution time).
|
|
|
|
function CPU_ALLOC (count : size_t) return cpu_set_t_ptr;
|
|
pragma Import (C, CPU_ALLOC, "__gnat_cpu_alloc");
|
|
-- Wrapper around the CPU_ALLOC C macro
|
|
|
|
function CPU_ALLOC_SIZE (count : size_t) return size_t;
|
|
pragma Import (C, CPU_ALLOC_SIZE, "__gnat_cpu_alloc_size");
|
|
-- Wrapper around the CPU_ALLOC_SIZE C macro
|
|
|
|
procedure CPU_FREE (cpuset : cpu_set_t_ptr);
|
|
pragma Import (C, CPU_FREE, "__gnat_cpu_free");
|
|
-- Wrapper around the CPU_FREE C macro
|
|
|
|
procedure CPU_ZERO (count : size_t; cpuset : cpu_set_t_ptr);
|
|
pragma Import (C, CPU_ZERO, "__gnat_cpu_zero");
|
|
-- Wrapper around the CPU_ZERO_S C macro
|
|
|
|
procedure CPU_SET (cpu : int; count : size_t; cpuset : cpu_set_t_ptr);
|
|
pragma Import (C, CPU_SET, "__gnat_cpu_set");
|
|
-- Wrapper around the CPU_SET_S C macro
|
|
|
|
function pthread_setaffinity_np
|
|
(thread : pthread_t;
|
|
cpusetsize : size_t;
|
|
cpuset : cpu_set_t_ptr) return int;
|
|
pragma Import (C, pthread_setaffinity_np, "pthread_setaffinity_np");
|
|
pragma Weak_External (pthread_setaffinity_np);
|
|
-- Use a weak symbol because this function may be available or not,
|
|
-- depending on the version of the system.
|
|
|
|
function pthread_attr_setaffinity_np
|
|
(attr : access pthread_attr_t;
|
|
cpusetsize : size_t;
|
|
cpuset : cpu_set_t_ptr) return int;
|
|
pragma Import (C, pthread_attr_setaffinity_np,
|
|
"pthread_attr_setaffinity_np");
|
|
pragma Weak_External (pthread_attr_setaffinity_np);
|
|
-- Use a weak symbol because this function may be available or not,
|
|
-- depending on the version of the system.
|
|
|
|
private
|
|
|
|
type sigset_t is
|
|
array (0 .. OS_Constants.SIZEOF_sigset - 1) of unsigned_char;
|
|
pragma Convention (C, sigset_t);
|
|
for sigset_t'Alignment use Interfaces.C.unsigned_long'Alignment;
|
|
|
|
pragma Warnings (Off);
|
|
for struct_sigaction use record
|
|
sa_handler at Linux.sa_handler_pos range 0 .. Standard'Address_Size - 1;
|
|
sa_mask at Linux.sa_mask_pos range 0 .. 1023;
|
|
sa_flags at Linux.sa_flags_pos
|
|
range 0 .. Interfaces.C.unsigned_long'Size - 1;
|
|
end record;
|
|
-- We intentionally leave sa_restorer unspecified and let the compiler
|
|
-- append it after the last field, so disable corresponding warning.
|
|
pragma Warnings (On);
|
|
|
|
type pid_t is new int;
|
|
|
|
subtype char_array is Interfaces.C.char_array;
|
|
|
|
type pthread_attr_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_ATTR_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_attr_t);
|
|
for pthread_attr_t'Alignment use Interfaces.C.unsigned_long'Alignment;
|
|
|
|
type pthread_condattr_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_CONDATTR_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_condattr_t);
|
|
for pthread_condattr_t'Alignment use Interfaces.C.int'Alignment;
|
|
|
|
type pthread_mutexattr_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_MUTEXATTR_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_mutexattr_t);
|
|
for pthread_mutexattr_t'Alignment use Interfaces.C.int'Alignment;
|
|
|
|
type pthread_mutex_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_MUTEX_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_mutex_t);
|
|
for pthread_mutex_t'Alignment use Interfaces.C.unsigned_long'Alignment;
|
|
|
|
type pthread_rwlockattr_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_RWLOCKATTR_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_rwlockattr_t);
|
|
for pthread_rwlockattr_t'Alignment use Interfaces.C.unsigned_long'Alignment;
|
|
|
|
type pthread_rwlock_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_RWLOCK_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_rwlock_t);
|
|
for pthread_rwlock_t'Alignment use Interfaces.C.unsigned_long'Alignment;
|
|
|
|
type pthread_cond_t is record
|
|
Data : char_array (1 .. OS_Constants.PTHREAD_COND_SIZE);
|
|
end record;
|
|
pragma Convention (C, pthread_cond_t);
|
|
for pthread_cond_t'Alignment use Interfaces.Unsigned_64'Alignment;
|
|
|
|
type pthread_key_t is new unsigned;
|
|
|
|
end System.OS_Interface;
|