--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- A D A . I N T E R R U P T S . N A M E S --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-2005 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 2, or (at your option) any later ver- --
+-- sion. GNARL 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. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the Alpha GNU/Linux version of this package.
+--
+-- This target-dependent package spec contains names of interrupts
+-- supported by the local system.
+
+with System.OS_Interface;
+-- used for names of interrupts
+
+package Ada.Interrupts.Names is
+
+ -- Beware that the mapping of names to signals may be
+ -- many-to-one. There may be aliases. Also, for all
+ -- signal names that are not supported on the current system
+ -- the value of the corresponding constant will be zero.
+
+ SIGHUP : constant Interrupt_ID :=
+ System.OS_Interface.SIGHUP; -- hangup
+
+ SIGINT : constant Interrupt_ID :=
+ System.OS_Interface.SIGINT; -- interrupt (rubout)
+
+ SIGQUIT : constant Interrupt_ID :=
+ System.OS_Interface.SIGQUIT; -- quit (ASCD FS)
+
+ SIGILL : constant Interrupt_ID :=
+ System.OS_Interface.SIGILL; -- illegal instruction (not reset)
+
+ SIGTRAP : constant Interrupt_ID :=
+ System.OS_Interface.SIGTRAP; -- trace trap (not reset)
+
+ SIGIOT : constant Interrupt_ID :=
+ System.OS_Interface.SIGIOT; -- IOT instruction
+
+ SIGABRT : constant Interrupt_ID := -- used by abort,
+ System.OS_Interface.SIGABRT; -- replace SIGIOT in the future
+
+ SIGFPE : constant Interrupt_ID :=
+ System.OS_Interface.SIGFPE; -- floating point exception
+
+ SIGKILL : constant Interrupt_ID :=
+ System.OS_Interface.SIGKILL; -- kill (cannot be caught or ignored)
+
+ SIGBUS : constant Interrupt_ID :=
+ System.OS_Interface.SIGBUS; -- bus error
+
+ SIGSEGV : constant Interrupt_ID :=
+ System.OS_Interface.SIGSEGV; -- segmentation violation
+
+ SIGPIPE : constant Interrupt_ID := -- write on a pipe with
+ System.OS_Interface.SIGPIPE; -- no one to read it
+
+ SIGALRM : constant Interrupt_ID :=
+ System.OS_Interface.SIGALRM; -- alarm clock
+
+ SIGTERM : constant Interrupt_ID :=
+ System.OS_Interface.SIGTERM; -- software termination signal from kill
+
+ SIGURG : constant Interrupt_ID :=
+ System.OS_Interface.SIGURG; -- urgent condition on IO channel
+
+ SIGSTOP : constant Interrupt_ID :=
+ System.OS_Interface.SIGSTOP; -- stop (cannot be caught or ignored)
+
+ SIGTSTP : constant Interrupt_ID :=
+ System.OS_Interface.SIGTSTP; -- user stop requested from tty
+
+ SIGCONT : constant Interrupt_ID :=
+ System.OS_Interface.SIGCONT; -- stopped process has been continued
+
+ SIGCLD : constant Interrupt_ID :=
+ System.OS_Interface.SIGCLD; -- child status change
+
+ SIGCHLD : constant Interrupt_ID :=
+ System.OS_Interface.SIGCHLD; -- 4.3BSD's/POSIX name for SIGCLD
+
+ SIGTTIN : constant Interrupt_ID :=
+ System.OS_Interface.SIGTTIN; -- background tty read attempted
+
+ SIGTTOU : constant Interrupt_ID :=
+ System.OS_Interface.SIGTTOU; -- background tty write attempted
+
+ SIGIO : constant Interrupt_ID := -- input/output possible,
+ System.OS_Interface.SIGIO; -- SIGPOLL alias (Solaris)
+
+ SIGPOLL : constant Interrupt_ID :=
+ System.OS_Interface.SIGPOLL; -- pollable event occurred
+
+ SIGXCPU : constant Interrupt_ID :=
+ System.OS_Interface.SIGXCPU; -- CPU time limit exceeded
+
+ SIGXFSZ : constant Interrupt_ID :=
+ System.OS_Interface.SIGXFSZ; -- filesize limit exceeded
+
+ SIGVTALRM : constant Interrupt_ID :=
+ System.OS_Interface.SIGVTALRM; -- virtual timer expired
+
+ SIGPROF : constant Interrupt_ID :=
+ System.OS_Interface.SIGPROF; -- profiling timer expired
+
+ SIGWINCH : constant Interrupt_ID :=
+ System.OS_Interface.SIGWINCH; -- window size change
+
+ SIGPWR : constant Interrupt_ID :=
+ System.OS_Interface.SIGPWR; -- Power failure
+
+ SIGUSR1 : constant Interrupt_ID :=
+ System.OS_Interface.SIGUSR1; -- user defined signal 1
+
+ SIGUSR2 : constant Interrupt_ID :=
+ System.OS_Interface.SIGUSR2; -- user defined signal 2
+
+end Ada.Interrupts.Names;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . O S _ I N T E R F A C E --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-1994, Florida State University --
+-- Copyright (C) 1995-2005, 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 2, or (at your option) any later ver- --
+-- sion. GNARL 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. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNARL; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is a GNU/Linux (GNU/LinuxThreads) version of this package
+
+-- This package encapsulates all direct interfaces to OS services
+-- that are needed by children of System.
+
+-- 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;
+with Unchecked_Conversion;
+
+package System.OS_Interface is
+ pragma Preelaborate;
+
+ pragma Linker_Options ("-lpthread");
+
+ subtype int is Interfaces.C.int;
+ subtype char is Interfaces.C.char;
+ subtype short is Interfaces.C.short;
+ subtype long is Interfaces.C.long;
+ subtype unsigned is Interfaces.C.unsigned;
+ subtype unsigned_short is Interfaces.C.unsigned_short;
+ subtype unsigned_long is Interfaces.C.unsigned_long;
+ subtype unsigned_char is Interfaces.C.unsigned_char;
+ subtype plain_char is Interfaces.C.plain_char;
+ subtype size_t is Interfaces.C.size_t;
+
+ -----------
+ -- Errno --
+ -----------
+
+ function errno return int;
+ pragma Import (C, errno, "__get_errno");
+
+ EAGAIN : constant := 35;
+ EINTR : constant := 4;
+ EINVAL : constant := 22;
+ ENOMEM : constant := 12;
+ EPERM : constant := 1;
+ ETIMEDOUT : constant := 60;
+
+ -------------
+ -- Signals --
+ -------------
+
+ Max_Interrupt : constant := 63;
+ type Signal is new int range 0 .. Max_Interrupt;
+ for Signal'Size use int'Size;
+
+ 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.
+
+ type Signal_Set is array (Natural range <>) of Signal;
+
+ Unmasked : constant Signal_Set := (
+ SIGTRAP,
+ -- To enable debugging on multithreaded applications, mark SIGTRAP to
+ -- be kept unmasked.
+
+ SIGBUS,
+
+ SIGTTIN, SIGTTOU, SIGTSTP,
+ -- Keep these three signals unmasked so that background processes
+ -- and IO behaves as normal "C" applications
+
+ SIGPROF,
+ -- To avoid confusing the profiler
+
+ SIGKILL, SIGSTOP,
+ -- These two signals actually cannot be masked;
+ -- POSIX simply won't allow it.
+
+ SIGLTHRRES, SIGLTHRCAN, SIGLTHRDBG);
+ -- These three signals are used by GNU/LinuxThreads starting from
+ -- glibc 2.1 (future 2.2).
+
+ Reserved : constant Signal_Set := (SIGKILL, SIGSTOP);
+
+ type sigset_t is private;
+
+ function sigaddset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigaddset, "sigaddset");
+
+ function sigdelset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigdelset, "sigdelset");
+
+ function sigfillset (set : access sigset_t) return int;
+ pragma Import (C, sigfillset, "sigfillset");
+
+ function sigismember (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigismember, "sigismember");
+
+ function sigemptyset (set : access sigset_t) return int;
+ pragma Import (C, sigemptyset, "sigemptyset");
+
+ type union_type_3 is new String (1 .. 116);
+ type siginfo_t is record
+ si_signo : int;
+ si_code : int;
+ si_errno : int;
+ X_data : union_type_3;
+ end record;
+ pragma Convention (C, siginfo_t);
+
+ type struct_sigaction is record
+ sa_handler : System.Address;
+ sa_mask : sigset_t;
+ sa_flags : unsigned_long;
+ end record;
+ pragma Convention (C, struct_sigaction);
+ type struct_sigaction_ptr is access all struct_sigaction;
+
+ type Machine_State is record
+ dummy : unsigned_long;
+ end record;
+ type Machine_State_Ptr is access all Machine_State;
+
+ SA_SIGINFO : constant := 16#40#;
+
+ SIG_BLOCK : constant := 0;
+ SIG_UNBLOCK : constant := 1;
+ SIG_SETMASK : constant := 2;
+
+ SIG_DFL : constant := 0;
+ SIG_IGN : constant := 1;
+
+ function sigaction
+ (sig : Signal;
+ act : struct_sigaction_ptr;
+ oact : struct_sigaction_ptr) return int;
+ pragma Import (C, sigaction, "sigaction");
+
+ ----------
+ -- Time --
+ ----------
+
+ type timespec is private;
+
+ function To_Duration (TS : timespec) return Duration;
+ pragma Inline (To_Duration);
+
+ function To_Timespec (D : Duration) return timespec;
+ pragma Inline (To_Timespec);
+
+ type struct_timeval is private;
+
+ function To_Duration (TV : struct_timeval) return Duration;
+ pragma Inline (To_Duration);
+
+ function To_Timeval (D : Duration) return struct_timeval;
+ pragma Inline (To_Timeval);
+
+ function gettimeofday
+ (tv : access struct_timeval;
+ tz : System.Address := System.Null_Address) return int;
+ pragma Import (C, gettimeofday, "gettimeofday");
+
+ function sysconf (name : int) return long;
+ pragma Import (C, sysconf);
+
+ SC_CLK_TCK : constant := 2;
+
+ -------------------------
+ -- Priority Scheduling --
+ -------------------------
+
+ SCHED_OTHER : constant := 0;
+ SCHED_FIFO : constant := 1;
+ SCHED_RR : constant := 2;
+
+ -------------
+ -- Process --
+ -------------
+
+ type pid_t is private;
+
+ function kill (pid : pid_t; sig : Signal) return int;
+ pragma Import (C, kill, "kill");
+
+ function getpid return pid_t;
+ pragma Import (C, getpid, "getpid");
+
+ -------------
+ -- Threads --
+ -------------
+
+ type Thread_Body is access
+ function (arg : System.Address) return System.Address;
+
+ function Thread_Body_Access is new
+ Unchecked_Conversion (System.Address, Thread_Body);
+
+ type pthread_t is new unsigned_long;
+ subtype Thread_Id is pthread_t;
+
+ function To_pthread_t is new Unchecked_Conversion
+ (unsigned_long, pthread_t);
+
+ type pthread_mutex_t is limited private;
+ type pthread_cond_t is limited private;
+ type pthread_attr_t is limited private;
+ type pthread_mutexattr_t is limited private;
+ type pthread_condattr_t is limited private;
+ type pthread_key_t is private;
+
+ PTHREAD_CREATE_DETACHED : constant := 1;
+
+ -----------
+ -- Stack --
+ -----------
+
+ function Get_Stack_Base (thread : pthread_t) return Address;
+ pragma Inline (Get_Stack_Base);
+ -- This is a dummy procedure to share some GNULLI files
+
+ ---------------------------------------
+ -- Nonstandard Thread Initialization --
+ ---------------------------------------
+
+ procedure pthread_init;
+ pragma Inline (pthread_init);
+ -- This is a dummy procedure to share some GNULLI files
+
+ -------------------------
+ -- POSIX.1c Section 3 --
+ -------------------------
+
+ function sigwait (set : access sigset_t; sig : access Signal) return int;
+ pragma Import (C, sigwait, "sigwait");
+
+ function pthread_kill (thread : pthread_t; sig : Signal) return int;
+ pragma Import (C, pthread_kill, "pthread_kill");
+
+ type sigset_t_ptr is access all sigset_t;
+
+ function pthread_sigmask
+ (how : int;
+ set : sigset_t_ptr;
+ oset : sigset_t_ptr) return int;
+ pragma Import (C, pthread_sigmask, "pthread_sigmask");
+
+ --------------------------
+ -- POSIX.1c Section 11 --
+ --------------------------
+
+ function pthread_mutexattr_init
+ (attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
+
+ function pthread_mutexattr_destroy
+ (attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
+
+ function pthread_mutex_init
+ (mutex : access pthread_mutex_t;
+ attr : access pthread_mutexattr_t) return int;
+ pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
+
+ function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
+
+ function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
+
+ function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
+
+ function pthread_condattr_init
+ (attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
+
+ function pthread_condattr_destroy
+ (attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
+
+ function pthread_cond_init
+ (cond : access pthread_cond_t;
+ attr : access pthread_condattr_t) return int;
+ pragma Import (C, pthread_cond_init, "pthread_cond_init");
+
+ function pthread_cond_destroy (cond : access pthread_cond_t) return int;
+ pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
+
+ function pthread_cond_signal (cond : access pthread_cond_t) return int;
+ pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
+
+ function pthread_cond_wait
+ (cond : access pthread_cond_t;
+ mutex : access pthread_mutex_t) return int;
+ pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
+
+ function pthread_cond_timedwait
+ (cond : access pthread_cond_t;
+ mutex : access pthread_mutex_t;
+ abstime : access timespec) return int;
+ pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
+
+ --------------------------
+ -- POSIX.1c Section 13 --
+ --------------------------
+
+ type struct_sched_param is record
+ sched_priority : int; -- scheduling priority
+ end record;
+ pragma Convention (C, struct_sched_param);
+
+ function pthread_setschedparam
+ (thread : pthread_t;
+ policy : int;
+ param : access struct_sched_param) return int;
+ pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
+
+ function pthread_attr_setschedpolicy
+ (attr : access pthread_attr_t;
+ policy : int) return int;
+ pragma Import
+ (C, pthread_attr_setschedpolicy, "pthread_attr_setschedpolicy");
+
+ function sched_yield return int;
+ pragma Import (C, sched_yield, "sched_yield");
+
+ ---------------------------
+ -- P1003.1c - Section 16 --
+ ---------------------------
+
+ function pthread_attr_init
+ (attributes : access pthread_attr_t) return int;
+ pragma Import (C, pthread_attr_init, "pthread_attr_init");
+
+ function pthread_attr_destroy
+ (attributes : access pthread_attr_t) return int;
+ pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
+
+ function pthread_attr_setdetachstate
+ (attr : access pthread_attr_t;
+ detachstate : int) return int;
+ pragma Import
+ (C, pthread_attr_setdetachstate, "pthread_attr_setdetachstate");
+
+ function pthread_attr_setstacksize
+ (attr : access pthread_attr_t;
+ 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");
+
+ --------------------------
+ -- 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);
+
+ function pthread_key_create
+ (key : access pthread_key_t;
+ destructor : destructor_pointer) return int;
+ pragma Import (C, pthread_key_create, "pthread_key_create");
+
+private
+
+ type sigset_t is record
+ dum0, dum1, dum2, dum3, dum4, dum5, dum6, dum7 : unsigned_long;
+ dum8, dum9, dum10, dum11, dum12, dum13, dum14, dum15 : unsigned_long;
+ end record;
+ pragma Convention (C, sigset_t);
+
+ type pid_t is new int;
+
+ type time_t is new long;
+
+ type timespec is record
+ tv_sec : time_t;
+ tv_nsec : long;
+ end record;
+ pragma Convention (C, timespec);
+
+ type struct_timeval is record
+ tv_sec : time_t;
+ tv_usec : time_t;
+ end record;
+ pragma Convention (C, struct_timeval);
+
+ type pthread_attr_t is record
+ dum0, dum1, dum2, dum3, dum4, dum5, dum6 : unsigned_long;
+ end record;
+ pragma Convention (C, pthread_attr_t);
+
+ type pthread_condattr_t is record
+ dummy : int;
+ end record;
+ pragma Convention (C, pthread_condattr_t);
+
+ type pthread_mutexattr_t is record
+ mutexkind : int;
+ end record;
+ pragma Convention (C, pthread_mutexattr_t);
+
+ type pthread_mutex_t is record
+ dum0, dum1, dum2, dum3, dum4 : unsigned_long;
+ end record;
+ pragma Convention (C, pthread_mutex_t);
+
+ type pthread_cond_t is record
+ dum0, dum1, dum2, dum3, dum4, dum5 : unsigned_long;
+ end record;
+ pragma Convention (C, pthread_cond_t);
+
+ type pthread_key_t is new unsigned;
+
+end System.OS_Interface;
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