+++ /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) 1999-2001 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 LynxOS (Native) 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 ("-mthreads");
-
- 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 := 11;
- EINTR : constant := 4;
- EINVAL : constant := 22;
- ENOMEM : constant := 12;
- 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)
- SIGBRK : constant := 6; -- break
- SIGIOT : constant := 6; -- IOT instruction
- SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
- SIGCORE : constant := 7; -- kill with core dump
- 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)
- 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
- SIGLOST : constant := 29; -- SUN 4.1 compatibility
- SIGUSR1 : constant := 30; -- user defined signal 1
- SIGUSR2 : constant := 31; -- user defined signal 2
- SIGPRIO : constant := 32; -- sent to a process with its priority or
- -- group is changed
-
- 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, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF);
- Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGPRIO);
-
- 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 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 := 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 --
- ----------
-
- Time_Slice_Supported : constant Boolean := True;
- -- Indicates wether time slicing is supported
-
- 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 Inline (clock_gettime);
- -- LynxOS has non standard 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_timezone_ptr is access all 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);
-
- -------------------------
- -- Priority Scheduling --
- -------------------------
-
- SCHED_FIFO : constant := 16#00200000#;
- SCHED_RR : constant := 16#00100000#;
- SCHED_OTHER : constant := 16#00400000#;
-
- -------------
- -- 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");
-
- ---------
- -- LWP --
- ---------
-
- function lwp_self return System.Address;
- -- lwp_self does not exist on this thread library, revert to pthread_self
- -- which is the closest approximation (with getpid). This function is
- -- needed to share 7staprop.adb across POSIX-like targets.
- pragma Import (C, lwp_self, "pthread_self");
-
- -------------
- -- 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 st_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 := 0;
-
- -----------
- -- Stack --
- -----------
-
- Stack_Base_Available : constant Boolean := False;
- -- Indicates wether the stack base is available on this target.
-
- 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_USER : constant := 8;
- PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC + PROT_USER;
-
- PROT_ON : constant := PROT_READ;
- PROT_OFF : constant := PROT_ALL;
-
- function mprotect (addr : Address; len : size_t; prot : int) return int;
- pragma Import (C, mprotect);
-
- -------------------------
- -- POSIX.1c Section 3 --
- -------------------------
-
- function sigwait
- (set : access sigset_t;
- sig : access Signal) return int;
- pragma Inline (sigwait);
- -- LynxOS has non standard 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, "sigprocmask");
-
- --------------------------
- -- POSIX.1c Section 11 --
- --------------------------
-
- function pthread_mutexattr_init
- (attr : access pthread_mutexattr_t) return int;
- pragma Inline (pthread_mutexattr_init);
- -- LynxOS has a nonstandard pthread_mutexattr_init
-
- function pthread_mutexattr_destroy
- (attr : access pthread_mutexattr_t) return int;
- pragma Inline (pthread_mutexattr_destroy);
- -- Lynxos has a nonstandard pthread_mutexattr_destroy
-
- function pthread_mutex_init
- (mutex : access pthread_mutex_t;
- attr : access pthread_mutexattr_t) return int;
- pragma Inline (pthread_mutex_init);
- -- LynxOS has a nonstandard pthread_mutex_init
-
- function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
- pragma Inline (pthread_mutex_destroy);
- -- LynxOS has a nonstandard pthread_mutex_destroy
-
- function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
- pragma Inline (pthread_mutex_lock);
- -- LynxOS has a nonstandard pthread_mutex_lock
-
- function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
- pragma Inline (pthread_mutex_unlock);
- -- LynxOS has a nonstandard pthread_mutex_unlock
-
- function pthread_condattr_init
- (attr : access pthread_condattr_t) return int;
- pragma Inline (pthread_condattr_init);
- -- LynxOS has a nonstandard pthread_condattr_init
-
- function pthread_condattr_destroy
- (attr : access pthread_condattr_t) return int;
- pragma Inline (pthread_condattr_destroy);
- -- LynxOS has a nonstandard pthread_condattr_destroy
-
- function pthread_cond_init
- (cond : access pthread_cond_t;
- attr : access pthread_condattr_t) return int;
- pragma Inline (pthread_cond_init);
- -- LynxOS has a non standard pthread_cond_init
-
- function pthread_cond_destroy (cond : access pthread_cond_t) return int;
- pragma Inline (pthread_cond_destroy);
- -- LynxOS has a nonstandard pthread_cond_destroy
-
- function pthread_cond_signal (cond : access pthread_cond_t) return int;
- pragma Inline (pthread_cond_signal);
- -- LynxOS has a 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);
- -- LynxOS has a nonstandard pthread_cond_wait
-
- function pthread_cond_timedwait
- (cond : access pthread_cond_t;
- mutex : access pthread_mutex_t;
- reltime : access timespec) return int;
- pragma Inline (pthread_cond_timedwait);
- -- LynxOS has a nonstandard pthrad_cond_timedwait
-
- Relative_Timed_Wait : constant Boolean := True;
- -- pthread_cond_timedwait requires a relative delay time
-
- --------------------------
- -- POSIX.1c Section 13 --
- --------------------------
-
- PTHREAD_PRIO_NONE : constant := 0;
- PTHREAD_PRIO_INHERIT : constant := 0;
- PTHREAD_PRIO_PROTECT : constant := 0;
-
- 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);
- -- LynxOS doesn't have pthread_setschedparam.
- -- Instead, use pthread_setscheduler
-
- function pthread_mutexattr_setprotocol
- (attr : access pthread_mutexattr_t;
- protocol : int) return int;
- pragma Inline (pthread_mutexattr_setprotocol);
- -- LynxOS doesn't have pthread_mutexattr_setprotocol
-
- function pthread_mutexattr_setprioceiling
- (attr : access pthread_mutexattr_t;
- prioceiling : int) return int;
- pragma Inline (pthread_mutexattr_setprioceiling);
- -- LynxOS doesn't have pthread_mutexattr_setprioceiling
-
- function pthread_attr_setscope
- (attr : access pthread_attr_t;
- contentionscope : int) return int;
- -- LynxOS doesn't have pthread_attr_setscope: all threads have system scope
- pragma Inline (pthread_attr_setscope);
-
- function pthread_attr_setschedpolicy
- (attr : access pthread_attr_t;
- policy : int) return int;
- pragma Import (C, pthread_attr_setschedpolicy, "pthread_attr_setsched");
-
- function sched_yield return int;
- -- pragma Import (C, sched_yield, "sched_yield");
- pragma Inline (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_create");
-
- function pthread_attr_destroy
- (attributes : access pthread_attr_t) return int;
- pragma Import (C, pthread_attr_destroy, "pthread_attr_delete");
-
- function pthread_attr_setdetachstate
- (attr : access pthread_attr_t;
- detachstate : int) return int;
- pragma Inline (pthread_attr_setdetachstate);
- -- LynxOS doesn't have 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 Inline (pthread_create);
- -- LynxOS has a non standard 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 Inline (pthread_setspecific);
- -- LynxOS has a non standard pthread_setspecific
-
- function pthread_getspecific (key : pthread_key_t) return System.Address;
- pragma Inline (pthread_getspecific);
- -- LynxOS has a non standard 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);
- -- LynxOS has a non standard pthread_keycreate
-
- procedure pthread_init;
- -- This is a dummy procedure to share some GNULLI files
-
-private
-
- type sigbit_array is array (1 .. 2) of long;
- type sigset_t is record
- sa_sigbits : sigbit_array;
- end record;
- pragma Convention (C_Pass_By_Copy, 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 unsigned_char;
- CLOCK_REALTIME : constant clockid_t := 0;
-
- type struct_timeval is record
- tv_sec : time_t;
- tv_usec : time_t;
- end record;
- pragma Convention (C, struct_timeval);
-
- type st_t is record
- stksize : int;
- prio : int;
- inheritsched : int;
- state : int;
- sched : int;
- end record;
- pragma Convention (C, st_t);
-
- type pthread_attr_t is record
- st : st_t;
- pthread_attr_scope : int; -- ignored
- end record;
- pragma Convention (C, pthread_attr_t);
-
- type pthread_condattr_t is new int;
-
- type pthread_mutexattr_t is new int;
-
- type tid_t is new short;
- type pthread_t is new tid_t;
-
- type synch_ptr is access all pthread_mutex_t;
- type pthread_mutex_t is record
- w_count : int;
- mut_owner : int;
- id : unsigned;
- next : synch_ptr;
- end record;
- pragma Convention (C, pthread_mutex_t);
-
- type pthread_cond_t is new pthread_mutex_t;
-
- type pthread_key_t is new int;
-
-end System.OS_Interface;
projects / msp430-gcc.git / blobdiff