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freebsd-ports/lang/gnat/files/5fosinte.ads
Sheldon Hearn cc4e71cb59 Update 3.10p -> 3.11p: 
* Build requires a GNAT compiler, for which the maintainer has
	created a package. For now, provide two MASTER_SITEs from which
	it is available so that it'll find its way into the FreeBSD
	distfiles.

      * Uses variables in the PLIST to reduce diff sizes in future.

      * Doesn't install info files, which are virtually duplicates of
	the ones we already have.

      * AOUT support is on its wAy OUT. Do what we can, but don't blow
	any fuses.

      * Hand maintainership over to Daniel Eischen, at the request of
	the previous maintainer.

PR:	10093
Submitted by:	Daniel Eischen <eischen@vigrid.com>
1999-06-24 11:11:28 +00:00

768 lines
25 KiB
Ada
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------------------------------------------------------------------------------
-- --
-- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . O S _ I N T E R F A C E --
-- --
-- S p e c --
-- (Version for new GNARL) --
-- --
-- $Revision: 1.5 $ --
-- --
-- Copyright (C) 1991,92,93,94,95,1996 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. It is --
-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
-- State University (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
-- This is the FreeBSD PTHREADS version of this package
-- This is only a first approximation.
-- It should be autogenerated by the m4 macro processor.
-- Contributed by Daniel Eischen (eischen@vigrid.com)
-- DO NOT EDIT this file.
-- It was automatically generated from another file by the m4 macro processor.
-- The name of the file you should edit is the same as this one, but with
-- ".ads" replaced by ".sm4", or
-- ".adb" replaced by ".bm4", or
-- ".c" replaced by ".cm4", or
-- ".dat" replaced by ".tm4"
-- Local options selected:
-- __TARGET = i386-unknown-freebsd
-- __ARCH = I386
-- __OS = FREEBSD
-- __HAS_SIGCONTEXT = 1
-- __HAS_UCONTEXT = 0
-- __THREADS = POSIX_THREADS
-- __THREAD_VARIANT = ??
-- __HAS_TIMESPEC = 1
-- __HAS_NANOSLEEP = 1
-- __HAS_CLOCK_GETTIME = 0
-- __HAS_GETTIMEOFDAY = 1
-- __POSIX_THREAD_PRIO_PROTECT = 0
-- __POSIX_THREAD_PRIO_INHERIT = 0
-- __POSIX_THREAD_ATTR_STACKADDR = 1
-- __POSIX_THREAD_ATTR_STACKSIZE = 1
-- __POSIX_THREAD_PRIORITY_SCHEDULING = 0
-- 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 Elaborate_Body.
-- It is designed to be a bottom-level (leaf) package.
-- This version is for POSIX-like operating systems
-- The original file "s-osinte.sm4" contains conditional
-- macro calls that allow selection of various options.
-- The options selected for this expansion were:
-- When adding new signals to s-osinte.sm4, don't forget to update
-- cconst.dat (m4 macro definition data-file) and the files
-- s-intnam.ads (package Ada.Interrupt_Names) for the various ports.
with Interfaces.C;
package System.OS_Interface is
pragma Preelaborate;
pragma Linker_Options ("-pthread");
subtype int is Interfaces.C.int;
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 Inline (Errno);
-- NAMEs not used are commented-out
-- NAMEs not supported on this system have __NAME for value
-- E2BIG : constant := 7;
-- EACCES : constant := 13;
EAGAIN : constant := 35;
-- EBADF : constant := 9;
-- EBUSY : constant := 16;
-- ECHILD : constant := 10;
-- EDEADLK : constant := 11;
-- EDOM : constant := 33;
-- EEXIST : constant := 17;
-- EFAULT : constant := 14;
-- EFBIG : constant := 27;
EINTR : constant := 4;
EINVAL : constant := 22;
-- EIO : constant := 5;
-- EISDIR : constant := 21;
-- EMFILE : constant := 24;
-- EMLINK : constant := 31;
-- ENAMETOOLONG : constant := 63;
-- ENFILE : constant := 23;
-- ENODEV : constant := 19;
-- ENOENT : constant := 2;
-- ENOEXEC : constant := 8;
-- ENOLCK : constant := 37;
ENOMEM : constant := 12;
-- ENOSPC : constant := 28;
-- ENOSYS : constant := 78;
-- ENOTDIR : constant := 20;
-- ENOTEMPTY : constant := 66;
-- ENOTTY : constant := 25;
-- ENXIO : constant := 6;
-- EPERM : constant := 1;
-- EPIPE : constant := 32;
-- ERANGE : constant := 34;
-- EROFS : constant := 30;
-- ESPIPE : constant := 29;
-- ESRCH : constant := 3;
ETIMEDOUT : constant := 60;
-- EXDEV : constant := 18;
-------------
-- Signals --
-------------
NSIG : constant := 32;
type Signal is new int range 0 .. Interfaces.C."-" (NSIG, 1);
-- NAMEs not used are commented-out
-- NAMEs not supported on this system have __NAME for value
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
SIGEMT : constant := 7; -- EMT instruction
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
SIGSYS : constant := 12; -- bad argument to system call
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 possible (Solaris SIGPOLL alias)
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
SIGINFO : constant := 29; -- information request (NetBSD/FreeBSD)
SIGUSR1 : constant := 30; -- user defined signal 1
SIGUSR2 : constant := 31; -- user defined signal 2
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");
-- sigcontext is architecture dependent, so define it private
type struct_sigcontext is private;
type struct_sigaction is record
sa_handler : System.Address;
sa_mask : sigset_t;
sa_flags : int;
end record;
pragma Convention (C, struct_sigaction);
type struct_sigaction_ptr is access all struct_sigaction;
SIG_BLOCK : constant := 1;
SIG_UNBLOCK : constant := 2;
SIG_SETMASK : constant := 3;
-- SA_NOCLDSTOP : constant := 8;
-- not used
-- SA_SIGINFO : constant := __SA_SIGINFO;
-- not used
SIG_DFL : constant := 0;
SIG_IGN : constant := 1;
-- SIG_ERR : constatn := -1;
-- not used
function sigaction
(sig : Signal;
act : struct_sigaction_ptr;
oact : struct_sigaction_ptr)
return int;
pragma Import (C, sigaction, "sigaction");
----------
-- Time --
----------
Time_Slice_Supported : constant boolean := True;
-- Indicates wether time slicing is supported (i.e SCHED_RR is supported)
type timespec is private;
function nanosleep (rqtp, rmtp : access timespec) return int;
pragma Import (C, nanosleep, "nanosleep");
type clockid_t is private;
CLOCK_REALTIME : constant clockid_t;
function clock_gettime
(clock_id : clockid_t;
tp : access timespec)
return int;
pragma Import (C, clock_gettime, "clock_gettime");
function To_Duration (TS : timespec) return Duration;
pragma Inline (To_Duration);
function To_Timespec (D : Duration) return timespec;
pragma Inline (To_Timespec);
type struct_timezone is record
tz_minuteswest : int;
tz_dsttime : int;
end record;
pragma Convention (C, struct_timezone);
type struct_timeval is private;
-- This is needed on systems that do not have clock_gettime()
-- but do have gettimeofday().
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) return int;
pragma Import (C, gettimeofday, "gettimeofday");
procedure usleep (useconds : unsigned_long);
pragma Import (C, usleep, "usleep");
-- add a hook to locate the Epoch, for use with Calendar????
-------------------------
-- Priority Scheduling --
-------------------------
MIN_PRIO : constant := 0;
MAX_PRIO : constant := 126;
DEFAULT_PRIO : constant := 64;
SCHED_FIFO : constant := 1;
SCHED_OTHER : constant := 2;
SCHED_RR : constant := 3;
-------------
-- Process --
-------------
type pid_t is private;
Self_PID : constant pid_t;
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;
type pthread_t is private;
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;
PTHREAD_CREATE_JOINABLE : constant := 0;
-----------
-- Stack --
-----------
Stack_Base_Available : constant boolean := False;
-- Indicates wether the stack base is available on this target.
-- This allows us to share s-osinte.adb between all the FSU run time.
-- Note that this value can only be true if pthread_t has a complete
-- definition that corresponds exactly to the C header files.
function Get_Stack_Base (thread : pthread_t) return Address;
pragma Inline (Get_Stack_Base);
-- returns the stack base of the specified thread.
-- Only call this function when Stack_Base_Available is True.
function Get_Page_Size return size_t;
function Get_Page_Size return Address;
pragma Import (C, Get_Page_Size, "getpagesize");
-- returns the size of a page, or 0 if this is not relevant on this
-- target
PROT_NONE : constant := 0;
PROT_READ : constant := 1;
PROT_WRITE : constant := 2;
PROT_EXEC : constant := 4;
PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
PROT_ON : constant := PROT_NONE;
PROT_OFF : constant := PROT_ALL;
function mprotect
(addr : Address; len : size_t; prot : int) return int;
pragma Import (C, mprotect);
-----------------------------------------
-- Nonstandard Thread Initialization --
-----------------------------------------
-- FSU_THREADS requires pthread_init, which is nonstandard
-- and this should be invoked during the elaboration of s-taprop.adb
--
-- FreeBSD does not require this so we provide an empty Ada body.
procedure pthread_init;
---------------------------
-- POSIX.1c Section 3 --
---------------------------
type sigset_t_ptr is access all sigset_t;
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");
function pthread_sigmask
(how : int;
set : sigset_t_ptr;
oset : sigset_t_ptr)
return int;
pragma Import (C, pthread_sigmask, "pthread_sigmask");
-- We declare two wrappers for pthread_sigmask, since null may need
-- to be passed for either set or oset and this is not allowed
-- in Ada for access mode parameters (the error was not catched by
-- GNAT until recently, and a flag, -gnatdj, was added to allow it
-- to compile).
function pthread_sigmask_set
(how : int;
set : access sigset_t)
return int;
-- Identical to pthread_sigmask (how, set, null).
function pthread_sigmask_oset
(how : int;
oset : access sigset_t)
return int;
-- Identical to pthread_sigmask (how, null, oset).
----------------------------
-- 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 --
----------------------------
-- FreeBSD pthreads does not support these yet.
--
-- PTHREAD_PRIO_NONE : constant := 0;
-- PTHREAD_PRIO_PROTECT : constant := 2;
-- PTHREAD_PRIO_INHERIT : constant := 1;
-- FreeBSD doesn't have pthread_getschedparam or pthread_setschedparam
-- yet, but we provide the compliant interface and implement them with
-- pthread_getprio and pthread_setprio instead.
type struct_sched_param is record
sched_priority : int;
end record;
pragma Convention (C, struct_sched_param);
function sched_getparam
(pid : pid_t;
param : access struct_sched_param)
return int;
pragma Import (C, sched_getparam, "sched_getparam");
function sched_setscheduler
(pid : pid_t;
policy : int;
param : access struct_sched_param)
return int;
pragma Import (C, sched_setscheduler, "sched_setscheduler");
function pthread_getschedparam
(thread : pthread_t;
policy : access int;
param : access struct_sched_param)
return int;
function pthread_setschedparam
(thread : pthread_t;
policy : int;
param : access struct_sched_param)
return int;
function pthread_attr_setscope
(attr : access pthread_attr_t;
contentionscope : int)
return int;
pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
function pthread_attr_getscope
(attr : access pthread_attr_t;
contentionscope : access int)
return int;
pragma Import (C, pthread_attr_getscope, "pthread_attr_getscope");
function pthread_attr_setinheritsched
(attr : access pthread_attr_t;
inheritsched : int)
return int;
pragma Import
(C, pthread_attr_setinheritsched, "pthread_attr_setinheritsched");
function pthread_attr_getinheritsched
(attr : access pthread_attr_t;
inheritsched : access int)
return int;
pragma Import
(C, pthread_attr_getinheritsched, "pthread_attr_getinheritsched");
function pthread_attr_setschedpolicy
(attr : access pthread_attr_t;
policy : int)
return int;
-- pragma Import
-- (C, pthread_attr_setschedpolicy,
-- "pthread_attr_setschedpolicy");
function pthread_attr_getschedpolicy
(attr : access pthread_attr_t;
policy : access int)
return int;
-- pragma Import (C, pthread_attr_getschedpolicy,
-- "pthread_attr_getschedpolicy");
-- FreeBSD doesn't have pthread_attr_setschedparm and
-- pthread_attr_getschedparm yet.
-- function pthread_attr_setschedparam
-- (attr : access pthread_attr_t;
-- param : access struct_sched_param)
-- return int;
--
-- function pthread_attr_getschedparam
-- (attr : access pthread_attr_t;
-- param : access struct_sched_param)
-- return int;
function sched_yield return int;
pragma Import (C, sched_yield, "pthread_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_getdetachstate
(attr : access pthread_attr_t;
detachstate : access int)
return int;
pragma Import
(C, pthread_attr_getdetachstate, "pthread_attr_getdetachstate");
function pthread_attr_getstacksize
(attr : access pthread_attr_t;
stacksize : access size_t)
return int;
pragma Import
(C, pthread_attr_getstacksize, "pthread_attr_getstacksize");
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");
function pthread_detach (thread : pthread_t) return int;
pragma Import (C, pthread_detach, "pthread_detach");
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 pthread_equal (t1 : pthread_t; t2 : pthread_t)
return int;
-- be careful not to use "=" on thread_t!
pragma Import (C, pthread_equal, "pthread_equal");
----------------------------
-- 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");
--------------------------------------
-- Non-portable pthread functions --
--------------------------------------
function pthread_set_name_np
(thread : pthread_t;
name : System.Address)
return int;
pragma Import (C, pthread_set_name_np, "pthread_set_name_np");
private
type sigset_t is new unsigned_long;
-- Should we add a signal_context type here ?
-- How could it be done independent of the CPU architecture ?
-- sigcontext type is opaque, so it is architecturally neutral.
-- It is always passed as an access type, so define it as an empty record
-- since the contents are not used anywhere.
type struct_sigcontext is null record;
pragma Convention (C, struct_sigcontext);
-- In Solaris 2.4 the component sa_handler turns out to
-- be one a union type, and the selector is a macro:
-- #define sa_handler __funcptr._handler
-- #define sa_sigaction __funcptr._sigaction
type pid_t is new int;
Self_PID : constant pid_t := 0;
type time_t is new long;
type timespec is record
ts_sec : time_t;
ts_nsec : long;
end record;
pragma Convention (C, timespec);
type clockid_t is new int;
CLOCK_REALTIME : constant clockid_t := 0;
type struct_timeval is record
tv_sec : long;
tv_usec : long;
end record;
pragma Convention (C, struct_timeval);
type record_type_1 is null record;
pragma Convention (C, record_type_1);
type pthread_t is access record_type_1;
type pthread_attr_t is access record_type_1;
type pthread_mutex_t is access record_type_1;
type pthread_mutexattr_t is access record_type_1;
type pthread_cond_t is access record_type_1;
type pthread_condattr_t is access record_type_1;
type pthread_key_t is new int;
end System.OS_Interface;
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