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gcc/gcc/ada/5hosinte.ads
Geoffrey Keating 6cbcc54138 Delete all lines containing "$Revision:". 
* xeinfo.adb: Don't look for revision numbers.
	* xnmake.adb: Likewise.
	* xsinfo.adb: Likewise.
	* xsnames.adb: Likewise.
	* xtreeprs.adb: Likewise.

From-SVN: r50768
2002-03-14 11:00:22 +00:00

491 lines
17 KiB
Ada
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------------------------------------------------------------------------------
-- --
-- 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) 1997-2001, Florida State University --
-- --
-- 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 HP-UX 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 Elaborate_Body.
-- It is designed to be a bottom-level (leaf) package.
with Interfaces.C;
package System.OS_Interface is
pragma Preelaborate;
pragma Linker_Options ("-lcma");
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 Import (C, errno, "__get_errno");
EAGAIN : constant := 11;
EINTR : constant := 4;
EINVAL : constant := 22;
ENOMEM : constant := 12;
ETIME : constant := 52;
ETIMEDOUT : constant := 238;
FUNC_ERR : constant := -1;
-------------
-- Signals --
-------------
Max_Interrupt : constant := 44;
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
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
SIGUSR1 : constant := 16; -- user defined signal 1
SIGUSR2 : constant := 17; -- user defined signal 2
SIGCLD : constant := 18; -- alias for SIGCHLD
SIGCHLD : constant := 18; -- child status change
SIGPWR : constant := 19; -- power-fail restart
SIGVTALRM : constant := 20; -- virtual timer alarm
SIGPROF : constant := 21; -- profiling timer alarm
SIGIO : constant := 22; -- asynchronous I/O
SIGPOLL : constant := 22; -- pollable event occurred
SIGWINCH : constant := 23; -- window size change
SIGSTOP : constant := 24; -- stop (cannot be caught or ignored)
SIGTSTP : constant := 25; -- user stop requested from tty
SIGCONT : constant := 26; -- stopped process has been continued
SIGTTIN : constant := 27; -- background tty read attempted
SIGTTOU : constant := 28; -- background tty write attempted
SIGURG : constant := 29; -- urgent condition on IO channel
SIGLOST : constant := 30; -- remote lock lost (NFS)
SIGDIL : constant := 32; -- DIL signal
SIGXCPU : constant := 33; -- CPU time limit exceeded (setrlimit)
SIGXFSZ : constant := 34; -- file size limit exceeded (setrlimit)
SIGADAABORT : constant := SIGABRT;
-- Note: on other targets, we usually use SIGABRT, but on HP/UX, it
-- appears that SIGABRT can't be used in sigwait(), so we use SIGTERM.
type Signal_Set is array (Natural range <>) of Signal;
Unmasked : constant Signal_Set :=
(SIGBUS, SIGTRAP, SIGTTIN, SIGTTOU, SIGTSTP);
Reserved : constant Signal_Set := (SIGKILL, SIGSTOP);
type sigset_t is private;
type isr_address is access procedure (sig : int);
function intr_attach (sig : int; handler : isr_address) return long;
Intr_Attach_Reset : constant Boolean := True;
-- True if intr_attach is reset after an interrupt handler is called
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 Signal_Handler is access procedure (signo : Signal);
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;
SA_RESTART : constant := 16#40#;
SIG_BLOCK : constant := 0;
SIG_UNBLOCK : constant := 1;
SIG_SETMASK : constant := 2;
SIG_DFL : constant := 0;
SIG_IGN : constant := 1;
SIG_ERR : 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 nanosleep (rqtp, rmtp : access timespec) return int;
pragma Import (C, 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);
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);
-------------------------
-- Priority Scheduling --
-------------------------
SCHED_FIFO : constant := 0;
SCHED_RR : constant := 1;
SCHED_OTHER : 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;
type pthread_t is private;
subtype Thread_Id is 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;
-----------
-- 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) return int;
pragma Import (C, sigwait, "cma_sigwait");
function sigwait
(set : access sigset_t;
sig : access Signal) return int;
pragma Inline (sigwait);
-- DCE_THREADS has a nonstandard sigwait
function pthread_kill
(thread : pthread_t;
sig : Signal) return int;
pragma Inline (pthread_kill);
-- DCE_THREADS doesn't have 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;
-- DCE THREADS does not have pthread_sigmask. Instead, it uses
-- sigprocmask to do the signal handling when the thread library is
-- sucked in.
pragma Import (C, pthread_sigmask, "sigprocmask");
--------------------------
-- POSIX.1c Section 11 --
--------------------------
function pthread_mutexattr_init
(attr : access pthread_mutexattr_t) return int;
-- DCE_THREADS has a nonstandard pthread_mutexattr_init.
function pthread_mutexattr_destroy
(attr : access pthread_mutexattr_t) return int;
-- DCE_THREADS has a nonstandard pthread_mutexattr_destroy
function pthread_mutex_init
(mutex : access pthread_mutex_t;
attr : access pthread_mutexattr_t) return int;
-- DCE_THREADS has a nonstandard pthread_mutex_init
function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
-- DCE_THREADS has a nonstandard pthread_mutex_destroy
function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
pragma Inline (pthread_mutex_lock);
-- DCE_THREADS has nonstandard pthread_mutex_lock
function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
pragma Inline (pthread_mutex_unlock);
-- DCE_THREADS has nonstandard pthread_mutex_lock
function pthread_condattr_init
(attr : access pthread_condattr_t) return int;
-- DCE_THREADS has nonstandard pthread_condattr_init
function pthread_condattr_destroy
(attr : access pthread_condattr_t) return int;
-- DCE_THREADS has nonstandard pthread_condattr_destroy
function pthread_cond_init
(cond : access pthread_cond_t;
attr : access pthread_condattr_t) return int;
-- DCE_THREADS has nonstandard pthread_cond_init
function pthread_cond_destroy (cond : access pthread_cond_t) return int;
-- DCE_THREADS has nonstandard pthread_cond_destroy
function pthread_cond_signal (cond : access pthread_cond_t) return int;
pragma Inline (pthread_cond_signal);
-- DCE_THREADS has nonstandard pthread_cond_signal
function pthread_cond_wait
(cond : access pthread_cond_t;
mutex : access pthread_mutex_t) return int;
pragma Inline (pthread_cond_wait);
-- DCE_THREADS has a nonstandard pthread_cond_wait
function pthread_cond_timedwait
(cond : access pthread_cond_t;
mutex : access pthread_mutex_t;
abstime : access timespec) return int;
pragma Inline (pthread_cond_timedwait);
-- DCE_THREADS has a nonstandard pthread_cond_timedwait
--------------------------
-- POSIX.1c Section 13 --
--------------------------
type struct_sched_param is record
sched_priority : int; -- scheduling priority
end record;
function pthread_setschedparam
(thread : pthread_t;
policy : int;
param : access struct_sched_param) return int;
pragma Inline (pthread_setschedparam);
-- DCE_THREADS has a nonstandard pthread_setschedparam
function sched_yield return int;
pragma Inline (sched_yield);
-- DCE_THREADS has a nonstandard sched_yield
---------------------------
-- P1003.1c - Section 16 --
---------------------------
function pthread_attr_init (attributes : access pthread_attr_t) return int;
pragma Inline (pthread_attr_init);
-- DCE_THREADS has a nonstandard pthread_attr_init
function pthread_attr_destroy
(attributes : access pthread_attr_t) return int;
pragma Inline (pthread_attr_destroy);
-- DCE_THREADS has a nonstandard pthread_attr_destroy
function pthread_attr_setstacksize
(attr : access pthread_attr_t;
stacksize : size_t) return int;
pragma Inline (pthread_attr_setstacksize);
-- DCE_THREADS has a nonstandard 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 Inline (pthread_create);
-- DCE_THREADS has a nonstandard pthread_create
procedure pthread_detach (thread : access pthread_t);
pragma Import (C, 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");
--------------------------
-- POSIX.1c Section 17 --
--------------------------
function pthread_setspecific
(key : pthread_key_t;
value : System.Address) return int;
pragma Inline (pthread_setspecific);
-- DCE_THREADS has a nonstandard pthread_setspecific
function pthread_getspecific (key : pthread_key_t) return System.Address;
pragma Inline (pthread_getspecific);
-- DCE_THREADS has a nonstandard 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 Inline (pthread_key_create);
-- DCE_THREADS has a nonstandard pthread_key_create
private
type array_type_1 is array (Integer range 0 .. 7) of unsigned_long;
type sigset_t is record
X_X_sigbits : array_type_1;
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 clockid_t is new int;
CLOCK_REALTIME : constant clockid_t := 1;
type struct_timeval is record
tv_sec : time_t;
tv_usec : time_t;
end record;
pragma Convention (C, struct_timeval);
type cma_t_address is new System.Address;
type cma_t_handle is record
field1 : cma_t_address;
field2 : Short_Integer;
field3 : Short_Integer;
end record;
for cma_t_handle'Size use 64;
type pthread_attr_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_attr_t);
type pthread_condattr_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_condattr_t);
type pthread_mutexattr_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_mutexattr_t);
type pthread_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_t);
type pthread_mutex_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_mutex_t);
type pthread_cond_t is new cma_t_handle;
pragma Convention (C_Pass_By_Copy, pthread_cond_t);
type pthread_key_t is new int;
end System.OS_Interface;
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