+++ /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 --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1997-2001 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 Solaris (native) version of this package
-
--- This package includes 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 ("-lposix4");
- pragma Linker_Options ("-lthread");
-
- 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 := 62;
- ETIMEDOUT : constant := 145;
-
- -------------
- -- Signals --
- -------------
-
- Max_Interrupt : constant := 45;
- 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
- SIGWINCH : constant := 20; -- window size change
- SIGURG : constant := 21; -- urgent condition on IO channel
- SIGPOLL : constant := 22; -- pollable event occurred
- SIGIO : constant := 22; -- I/O possible (Solaris SIGPOLL alias)
- SIGSTOP : constant := 23; -- stop (cannot be caught or ignored)
- SIGTSTP : constant := 24; -- user stop requested from tty
- SIGCONT : constant := 25; -- stopped process has been continued
- SIGTTIN : constant := 26; -- background tty read attempted
- SIGTTOU : constant := 27; -- background tty write attempted
- SIGVTALRM : constant := 28; -- virtual timer expired
- SIGPROF : constant := 29; -- profiling timer expired
- SIGXCPU : constant := 30; -- CPU time limit exceeded
- SIGXFSZ : constant := 31; -- filesize limit exceeded
- SIGWAITING : constant := 32; -- process's lwps blocked (Solaris)
- SIGLWP : constant := 33; -- used by thread library (Solaris)
- SIGFREEZE : constant := 34; -- used by CPR (Solaris)
- SIGTHAW : constant := 35; -- used by CPR (Solaris)
- SIGCANCEL : constant := 36; -- thread cancellation signal (libthread)
-
- type Signal_Set is array (Natural range <>) of Signal;
-
- Unmasked : constant Signal_Set := (SIGTRAP, SIGLWP, SIGPROF);
-
- -- Following signals should not be disturbed.
- -- See c-posix-signals.c in FLORIST
-
- Reserved : constant Signal_Set := (SIGKILL, SIGSTOP, SIGWAITING, SIGCANCEL);
-
- 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);
-
- -- The types mcontext_t and gregset_t are part of the ucontext_t
- -- information, which is specific to Solaris2.4 for SPARC
- -- The ucontext_t info seems to be used by the handler
- -- for SIGSEGV to decide whether it is a Storage_Error (stack overflow) or
- -- a Constraint_Error (bad pointer). The original code that did this
- -- is suspect, so it is not clear whether we really need this part of
- -- the signal context information, or perhaps something else.
- -- More analysis is needed, after which these declarations may need to
- -- be changed.
-
- FPE_INTDIV : constant := 1; -- integer divide by zero
- FPE_INTOVF : constant := 2; -- integer overflow
- FPE_FLTDIV : constant := 3; -- floating point divide by zero
- FPE_FLTOVF : constant := 4; -- floating point overflow
- FPE_FLTUND : constant := 5; -- floating point underflow
- FPE_FLTRES : constant := 6; -- floating point inexact result
- FPE_FLTINV : constant := 7; -- invalid floating point operation
- FPE_FLTSUB : constant := 8; -- subscript out of range
-
- type greg_t is new int;
-
- type gregset_t is array (0 .. 18) of greg_t;
-
- type union_type_2 is new String (1 .. 128);
- type record_type_1 is record
- fpu_fr : union_type_2;
- fpu_q : System.Address;
- fpu_fsr : unsigned;
- fpu_qcnt : unsigned_char;
- fpu_q_entrysize : unsigned_char;
- fpu_en : unsigned_char;
- end record;
- pragma Convention (C, record_type_1);
-
- type array_type_7 is array (Integer range 0 .. 20) of long;
- type mcontext_t is record
- gregs : gregset_t;
- gwins : System.Address;
- fpregs : record_type_1;
- filler : array_type_7;
- end record;
- pragma Convention (C, mcontext_t);
-
- type record_type_2 is record
- ss_sp : System.Address;
- ss_size : int;
- ss_flags : int;
- end record;
- pragma Convention (C, record_type_2);
-
- type array_type_8 is array (Integer range 0 .. 22) of long;
- type ucontext_t is record
- uc_flags : unsigned_long;
- uc_link : System.Address;
- uc_sigmask : sigset_t;
- uc_stack : record_type_2;
- uc_mcontext : mcontext_t;
- uc_filler : array_type_8;
- end record;
- pragma Convention (C, ucontext_t);
-
- type Signal_Handler is access procedure
- (signo : Signal;
- info : access siginfo_t;
- context : access ucontext_t);
-
- type union_type_1 is new plain_char;
- type array_type_2 is array (Integer range 0 .. 1) of int;
- type struct_sigaction is record
- sa_flags : int;
- sa_handler : System.Address;
- sa_mask : sigset_t;
- sa_resv : array_type_2;
- 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;
-
- 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;
-
- 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_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);
-
- -------------
- -- 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;
-
- THR_DETACHED : constant := 64;
- THR_BOUND : constant := 1;
- THR_NEW_LWP : constant := 2;
- USYNC_THREAD : constant := 0;
-
- type thread_t is private;
- subtype Thread_Id is thread_t;
-
- type mutex_t is limited private;
-
- type cond_t is limited private;
-
- type thread_key_t is private;
-
- function thr_create
- (stack_base : System.Address;
- stack_size : size_t;
- start_routine : Thread_Body;
- arg : System.Address;
- flags : int;
- new_thread : access thread_t) return int;
- pragma Import (C, thr_create, "thr_create");
-
- function thr_min_stack return size_t;
- pragma Import (C, thr_min_stack, "thr_min_stack");
-
- function thr_self return thread_t;
- pragma Import (C, thr_self, "thr_self");
-
- function mutex_init
- (mutex : access mutex_t;
- mtype : int;
- arg : System.Address) return int;
- pragma Import (C, mutex_init, "mutex_init");
-
- function mutex_destroy (mutex : access mutex_t) return int;
- pragma Import (C, mutex_destroy, "mutex_destroy");
-
- function mutex_lock (mutex : access mutex_t) return int;
- pragma Import (C, mutex_lock, "mutex_lock");
-
- function mutex_unlock (mutex : access mutex_t) return int;
- pragma Import (C, mutex_unlock, "mutex_unlock");
-
- function cond_init
- (cond : access cond_t;
- ctype : int;
- arg : int) return int;
- pragma Import (C, cond_init, "cond_init");
-
- function cond_wait
- (cond : access cond_t; mutex : access mutex_t) return int;
- pragma Import (C, cond_wait, "cond_wait");
-
- function cond_timedwait
- (cond : access cond_t;
- mutex : access mutex_t;
- abstime : access timespec) return int;
- pragma Import (C, cond_timedwait, "cond_timedwait");
-
- function cond_signal (cond : access cond_t) return int;
- pragma Import (C, cond_signal, "cond_signal");
-
- function cond_destroy (cond : access cond_t) return int;
- pragma Import (C, cond_destroy, "cond_destroy");
-
- function thr_setspecific
- (key : thread_key_t; value : System.Address) return int;
- pragma Import (C, thr_setspecific, "thr_setspecific");
-
- function thr_getspecific
- (key : thread_key_t;
- value : access System.Address) return int;
- pragma Import (C, thr_getspecific, "thr_getspecific");
-
- function thr_keycreate
- (key : access thread_key_t; destructor : System.Address) return int;
- pragma Import (C, thr_keycreate, "thr_keycreate");
-
- function thr_setprio (thread : thread_t; priority : int) return int;
- pragma Import (C, thr_setprio, "thr_setprio");
-
- procedure thr_exit (status : System.Address);
- pragma Import (C, thr_exit, "thr_exit");
-
- function thr_setconcurrency (new_level : int) return int;
- pragma Import (C, thr_setconcurrency, "thr_setconcurrency");
-
- function sigwait (set : access sigset_t; sig : access Signal) return int;
- pragma Import (C, sigwait, "__posix_sigwait");
-
- function thr_kill (thread : thread_t; sig : Signal) return int;
- pragma Import (C, thr_kill, "thr_kill");
-
- type sigset_t_ptr is access all sigset_t;
-
- function thr_sigsetmask
- (how : int;
- set : sigset_t_ptr;
- oset : sigset_t_ptr) return int;
- pragma Import (C, thr_sigsetmask, "thr_sigsetmask");
-
- function pthread_sigmask
- (how : int;
- set : sigset_t_ptr;
- oset : sigset_t_ptr) return int;
- pragma Import (C, pthread_sigmask, "thr_sigsetmask");
-
- function thr_suspend (target_thread : thread_t) return int;
- pragma Import (C, thr_suspend, "thr_suspend");
-
- function thr_continue (target_thread : thread_t) return int;
- pragma Import (C, thr_continue, "thr_continue");
-
- procedure thr_yield;
- pragma Import (C, thr_yield, "thr_yield");
-
- ---------
- -- LWP --
- ---------
-
- P_PID : constant := 0;
- P_LWPID : constant := 8;
-
- PC_GETCID : constant := 0;
- PC_GETCLINFO : constant := 1;
- PC_SETPARMS : constant := 2;
- PC_GETPARMS : constant := 3;
- PC_ADMIN : constant := 4;
-
- PC_CLNULL : constant := -1;
-
- RT_NOCHANGE : constant := -1;
- RT_TQINF : constant := -2;
- RT_TQDEF : constant := -3;
-
- PC_CLNMSZ : constant := 16;
-
- PC_VERSION : constant := 1;
-
- type lwpid_t is new int;
-
- type pri_t is new short;
-
- type id_t is new long;
-
- P_MYID : constant := -1;
- -- the specified LWP or process is the current one.
-
- type struct_pcinfo is record
- pc_cid : id_t;
- pc_clname : String (1 .. PC_CLNMSZ);
- rt_maxpri : short;
- end record;
- pragma Convention (C, struct_pcinfo);
-
- type struct_pcparms is record
- pc_cid : id_t;
- rt_pri : pri_t;
- rt_tqsecs : long;
- rt_tqnsecs : long;
- end record;
- pragma Convention (C, struct_pcparms);
-
- function priocntl
- (ver : int;
- id_type : int;
- id : lwpid_t;
- cmd : int;
- arg : System.Address) return Interfaces.C.long;
- pragma Import (C, priocntl, "__priocntl");
-
- function lwp_self return lwpid_t;
- pragma Import (C, lwp_self, "_lwp_self");
-
- type processorid_t is new int;
- type processorid_t_ptr is access all processorid_t;
-
- -- Constants for function processor_bind
-
- PBIND_QUERY : constant processorid_t := -2;
- -- the processor bindings are not changed.
-
- PBIND_NONE : constant processorid_t := -1;
- -- the processor bindings of the specified LWPs are cleared.
-
- -- Flags for function p_online
-
- PR_OFFLINE : constant int := 1;
- -- processor is offline, as quiet as possible
-
- PR_ONLINE : constant int := 2;
- -- processor online
-
- PR_STATUS : constant int := 3;
- -- value passed to p_online to request status
-
- function p_online (processorid : processorid_t; flag : int) return int;
- pragma Import (C, p_online, "p_online");
-
- function processor_bind
- (id_type : int;
- id : id_t;
- proc_id : processorid_t;
- obind : processorid_t_ptr) return int;
- pragma Import (C, processor_bind, "processor_bind");
-
- procedure pthread_init;
- -- dummy procedure to share s-intman.adb with other Solaris targets.
-
-private
-
- type array_type_1 is array (0 .. 3) 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 long;
-
- 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 := 0;
-
- type struct_timeval is record
- tv_sec : long;
- tv_usec : long;
- end record;
- pragma Convention (C, struct_timeval);
-
- type thread_t is new unsigned;
-
- type array_type_9 is array (0 .. 3) of unsigned_char;
- type record_type_3 is record
- flag : array_type_9;
- Xtype : unsigned_long;
- end record;
- pragma Convention (C, record_type_3);
-
- type mutex_t is record
- flags : record_type_3;
- lock : String (1 .. 8);
- data : String (1 .. 8);
- end record;
- pragma Convention (C, mutex_t);
-
- type cond_t is record
- flag : array_type_9;
- Xtype : unsigned_long;
- data : String (1 .. 8);
- end record;
- pragma Convention (C, cond_t);
-
- type thread_key_t is new unsigned;
-
-end System.OS_Interface;
projects / msp430-gcc.git / blobdiff