diff gcc/ada/libgnarl/s-osinte__qnx.ads @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnarl/s-osinte__qnx.ads	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,614 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNAT 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) 1995-2018, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT 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 3,  or (at your option) any later ver- --
+-- sion.  GNAT 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.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University.       --
+-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is a QNX/Neutrino version of this package
+
+--  This package encapsulates all direct interfaces to OS services
+--  that are needed by the tasking run-time (libgnarl).
+
+--  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 Ada.Unchecked_Conversion;
+with Interfaces.C;
+with System.OS_Constants;
+
+package System.OS_Interface is
+   pragma Preelaborate;
+
+   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");
+
+   EPERM     : constant := 1;
+   EINTR     : constant := 4;
+   EAGAIN    : constant := 11;
+   ENOMEM    : constant := 12;
+   EINVAL    : constant := 22;
+   ETIMEDOUT : constant := 260;
+
+   -------------
+   -- Signals --
+   -------------
+
+   Max_Interrupt : constant := 64;
+   type Signal is new int range 0 .. Max_Interrupt;
+   for Signal'Size use int'Size;
+
+   SIGHUP     : constant := 1;
+   SIGINT     : constant := 2;
+   SIGQUIT    : constant := 3;
+   SIGILL     : constant := 4;
+   SIGTRAP    : constant := 5;
+   SIGIOT     : constant := 6;
+   SIGABRT    : constant := 6;
+   SIGDEADLK  : constant := 7;
+   SIGFPE     : constant := 8;
+   SIGKILL    : constant := 9;
+   SIGBUS     : constant := 10;
+   SIGSEGV    : constant := 11;
+   SIGSYS     : constant := 12;
+   SIGPIPE    : constant := 13;
+   SIGALRM    : constant := 14;
+   SIGTERM    : constant := 15;
+   SIGUSR1    : constant := 16;
+   SIGUSR2    : constant := 17;
+   SIGCLD     : constant := 18;
+   SIGCHLD    : constant := 18;
+   SIGPWR     : constant := 19;
+   SIGWINCH   : constant := 20;
+   SIGURG     : constant := 21;
+   SIGPOLL    : constant := 22;
+   SIGIO      : constant := 22;
+   SIGSTOP    : constant := 23;
+   SIGTSTP    : constant := 24;
+   SIGCONT    : constant := 25;
+   SIGTTIN    : constant := 26;
+   SIGTTOU    : constant := 27;
+   SIGVTALRM  : constant := 28;
+   SIGPROF    : constant := 29;
+   SIGXCPU    : constant := 30;
+   SIGXFSZ    : constant := 31;
+
+   SIGRTMIN   : constant := 41;
+   SITRTMAX   : constant := 56;
+
+   SIGSELECT  : constant := 57;
+   SIGPHOTON  : constant := 58;
+
+   SIGADAABORT : constant := SIGABRT;
+   --  Change this 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 can't be masked (POSIX won't allow it)
+
+   Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGSEGV);
+
+   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 pad7 is array (1 .. 7) of int;
+   type siginfo_t is record
+      si_signo : int;
+      si_code  : int;
+      si_errno : int;
+      X_data   : pad7;
+   end record;
+   pragma Convention (C, siginfo_t);
+
+   type struct_sigaction is record
+      sa_handler  : System.Address;
+      sa_flags    : int;
+      sa_mask     : sigset_t;
+   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_PENDING : constant := 5;
+
+   SA_NOCLDSTOP : constant := 16#0001#;
+   SA_SIGINFO   : constant := 16#0002#;
+   SA_RESETHAND : constant := 16#0004#;
+   SA_ONSTACK   : constant := 16#0008#;
+   SA_NODEFER   : constant := 16#0010#;
+   SA_NOCLDWAIT : constant := 16#0020#;
+
+   SS_ONSTACK   : constant := 1;
+   SS_DISABLE   : 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 whether time slicing is supported
+
+   type timespec is private;
+
+   type clockid_t is new int;
+
+   function clock_gettime
+     (clock_id : clockid_t; tp : access timespec) return int;
+   pragma Import (C, clock_gettime, "clock_gettime");
+
+   function clock_getres
+     (clock_id : clockid_t;
+      res      : access timespec) return int;
+   pragma Import (C, clock_getres, "clock_getres");
+
+   function To_Duration (TS : timespec) return Duration;
+   pragma Inline (To_Duration);
+
+   function To_Timespec (D : Duration) return timespec;
+   pragma Inline (To_Timespec);
+
+   -------------------------
+   -- Priority Scheduling --
+   -------------------------
+
+   SCHED_FIFO  : constant := 1;
+   SCHED_RR    : constant := 2;
+   SCHED_OTHER : constant := 3;
+
+   function To_Target_Priority
+     (Prio : System.Any_Priority) return Interfaces.C.int
+     with Inline_Always;
+   --  Maps System.Any_Priority to a POSIX priority
+
+   -------------
+   -- 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;
+   pragma Convention (C, Thread_Body);
+
+   function Thread_Body_Access is new
+     Ada.Unchecked_Conversion (System.Address, Thread_Body);
+
+   type pthread_t is new int;
+   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;
+
+   PTHREAD_CREATE_DETACHED : constant := 1;
+
+   PTHREAD_SCOPE_PROCESS  : constant := 4;
+   PTHREAD_SCOPE_SYSTEM   : constant := 0;
+
+   PTHREAD_INHERIT_SCHED  : constant := 0;
+   PTHREAD_EXPLICIT_SCHED : constant := 2;
+
+   --  Read/Write lock not supported on Android.
+
+   subtype pthread_rwlock_t     is pthread_mutex_t;
+   subtype pthread_rwlockattr_t is pthread_mutexattr_t;
+
+   -----------
+   -- Stack --
+   -----------
+
+   type stack_t is record
+      ss_sp    : System.Address;
+      ss_flags : int;
+      ss_size  : size_t;
+   end record;
+   pragma Convention (C, stack_t);
+
+   function sigaltstack
+     (ss  : not null access stack_t;
+      oss : access stack_t) return int
+     with Inline;
+   --  Not supported on QNX
+
+   Alternate_Stack : aliased System.Address;
+   --  Dummy definition: alternate stack not available due to missing
+   --  sigaltstack in QNX
+
+   Alternate_Stack_Size : constant := 0;
+   --  This must be kept in sync with init.c:__gnat_alternate_stack
+
+   Stack_Base_Available : constant Boolean := False;
+   --  Indicates whether the stack base is available on this target
+
+   function Get_Stack_Base (thread : pthread_t) return System.Address
+     with Inline;
+   --  This is a dummy procedure to share some GNULLI files
+
+   function Get_Page_Size return int;
+   pragma Import (C, Get_Page_Size, "getpagesize");
+   --  Returns the size of a page
+
+   PROT_NONE  : constant := 16#00_00#;
+   PROT_READ  : constant := 16#01_00#;
+   PROT_WRITE : constant := 16#02_00#;
+   PROT_EXEC  : constant := 16#04_00#;
+   PROT_ALL   : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
+   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);
+
+   ---------------------------------------
+   -- Nonstandard Thread Initialization --
+   ---------------------------------------
+
+   procedure pthread_init with Inline_Always;
+
+   -------------------------
+   -- 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");
+
+   function pthread_sigmask
+     (how  : int;
+      set  : access sigset_t;
+      oset : access sigset_t) 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_mutex_setprioceiling
+     (mutex       : access pthread_mutex_t;
+      prioceiling : int;
+      old_ceiling : access int) return int;
+   pragma Import (C, pthread_mutex_setprioceiling);
+
+   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 --
+   --------------------------
+
+   PTHREAD_PRIO_INHERIT : constant := 0;
+   PTHREAD_PRIO_NONE    : constant := 1;
+   PTHREAD_PRIO_PROTECT : constant := 2;
+
+   function pthread_mutexattr_setprotocol
+     (attr     : access pthread_mutexattr_t;
+      protocol : int) return int;
+   pragma Import (C, pthread_mutexattr_setprotocol);
+
+   function pthread_mutexattr_getprotocol
+     (attr     : access pthread_mutexattr_t;
+      protocol : access int) return int;
+   pragma Import (C, pthread_mutexattr_getprotocol);
+
+   function pthread_mutexattr_setprioceiling
+     (attr        : access pthread_mutexattr_t;
+      prioceiling : int) return int;
+   pragma Import (C, pthread_mutexattr_setprioceiling);
+
+   function pthread_mutexattr_getprioceiling
+     (attr        : access pthread_mutexattr_t;
+      prioceiling : access int) return int;
+   pragma Import (C, pthread_mutexattr_getprioceiling);
+
+   function pthread_mutex_getprioceiling
+     (attr        : access pthread_mutex_t;
+      prioceiling : access int) return int;
+   pragma Import (C, pthread_mutex_getprioceiling);
+
+   type pad8 is array (1 .. 8) of int;
+   pragma Convention (C, pad8);
+
+   type struct_sched_param is record
+      sched_priority    : int := 0;  --  scheduling priority
+      sched_curpriority : int := 0;
+      reserved          : pad8 := (others => 0);
+   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_getschedparam
+     (thread : pthread_t;
+      policy : access int;
+      param  : access struct_sched_param) return int;
+   pragma Import (C, pthread_getschedparam, "pthread_getschedparam");
+
+   function pthread_setschedprio
+     (thread   : pthread_t;
+      priority : int) return int;
+   pragma Import (C, pthread_setschedprio);
+
+   function pthread_attr_setschedparam
+     (attr   : access pthread_attr_t;
+      param  : access struct_sched_param) return int;
+   pragma Import (C, pthread_attr_setschedparam);
+
+   function pthread_attr_setinheritsched
+     (attr         : access pthread_attr_t;
+      inheritsched : int) return int;
+   pragma Import (C, pthread_attr_setinheritsched);
+
+   function pthread_attr_setscope
+     (attr  : access pthread_attr_t;
+      scope : int) return int;
+   pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
+
+   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);
+
+   function pthread_attr_setstacksize
+     (attr      : access pthread_attr_t;
+      stacksize : size_t) return int;
+   pragma Import (C, 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");
+
+   function lwp_self return System.Address;
+   pragma Import (C, lwp_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);
+   pragma Convention (C, destructor_pointer);
+
+   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 array (1 .. 2) of Interfaces.Unsigned_32;
+   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 unsigned_long_long_t is mod 2 ** 64;
+   --  Local type only used to get the alignment of this type below
+
+   subtype char_array is Interfaces.C.char_array;
+
+   type pthread_attr_t is record
+      Data : char_array (1 .. OS_Constants.PTHREAD_ATTR_SIZE);
+   end record;
+   pragma Convention (C, pthread_attr_t);
+   for pthread_attr_t'Alignment use Interfaces.C.unsigned_long'Alignment;
+
+   type pthread_condattr_t is record
+      Data : char_array (1 .. OS_Constants.PTHREAD_CONDATTR_SIZE);
+   end record;
+   pragma Convention (C, pthread_condattr_t);
+   for pthread_condattr_t'Alignment use Interfaces.C.int'Alignment;
+
+   type pthread_mutexattr_t is record
+      Data : char_array (1 .. OS_Constants.PTHREAD_MUTEXATTR_SIZE);
+   end  record;
+   pragma Convention (C, pthread_mutexattr_t);
+   for pthread_mutexattr_t'Alignment use Interfaces.C.int'Alignment;
+
+   type pthread_mutex_t is record
+      Data : char_array (1 .. OS_Constants.PTHREAD_MUTEX_SIZE);
+   end record;
+   pragma Convention (C, pthread_mutex_t);
+   for pthread_mutex_t'Alignment use Interfaces.C.unsigned_long'Alignment;
+
+   type pthread_cond_t is record
+      Data : char_array (1 .. OS_Constants.PTHREAD_COND_SIZE);
+   end record;
+   pragma Convention (C, pthread_cond_t);
+   for pthread_cond_t'Alignment use unsigned_long_long_t'Alignment;
+
+   type pthread_key_t is new int;
+
+end System.OS_Interface;