783 lines
26 KiB
Ada
783 lines
26 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . O S _ I N T E R F A C E --
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-- --
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-- S p e c --
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-- (Version for new GNARL) --
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-- --
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-- $Revision: 1.5 $ --
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-- --
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-- Copyright (C) 1991,92,93,94,95,1996 Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNARL; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. It is --
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-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
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-- State University (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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-- This is the FreeBSD PTHREADS version of this package
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-- This is only a first approximation.
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-- It should be autogenerated by the m4 macro processor.
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-- Contributed by Daniel Eischen (eischen@vigrid.com)
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-- DO NOT EDIT this file.
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-- It was automatically generated from another file by the m4 macro processor.
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-- The name of the file you should edit is the same as this one, but with
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-- ".ads" replaced by ".sm4", or
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-- ".adb" replaced by ".bm4", or
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-- ".c" replaced by ".cm4", or
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-- ".dat" replaced by ".tm4"
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-- Local options selected:
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-- __TARGET = i386-unknown-freebsd
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-- __ARCH = I386
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-- __OS = FREEBSD
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-- __HAS_SIGCONTEXT = 1
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-- __HAS_UCONTEXT = 1
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-- __THREADS = POSIX_THREADS
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-- __THREAD_VARIANT = ??
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-- __HAS_TIMESPEC = 1
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-- __HAS_NANOSLEEP = 1
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-- __HAS_CLOCK_GETTIME = 1
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-- __HAS_GETTIMEOFDAY = 1
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-- __POSIX_THREAD_PRIO_PROTECT = 1
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-- __POSIX_THREAD_PRIO_INHERIT = 1
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-- __POSIX_THREAD_ATTR_STACKADDR = 1
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-- __POSIX_THREAD_ATTR_STACKSIZE = 1
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-- __POSIX_THREAD_PRIORITY_SCHEDULING = 1
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-- This package encapsulates all direct interfaces to OS services
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-- that are needed by children of System.
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-- PLEASE DO NOT add any with-clauses to this package
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-- or remove the pragma Elaborate_Body.
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-- It is designed to be a bottom-level (leaf) package.
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-- This version is for POSIX-like operating systems
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-- The original file "s-osinte.sm4" contains conditional
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-- macro calls that allow selection of various options.
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-- The options selected for this expansion were:
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-- When adding new signals to s-osinte.sm4, don't forget to update
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-- cconst.dat (m4 macro definition data-file) and the files
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-- s-intnam.ads (package Ada.Interrupt_Names) for the various ports.
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with Interfaces.C;
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package System.OS_Interface is
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pragma Preelaborate;
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pragma Linker_Options ("-pthread");
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subtype int is Interfaces.C.int;
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subtype short is Interfaces.C.short;
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subtype long is Interfaces.C.long;
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subtype unsigned is Interfaces.C.unsigned;
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subtype unsigned_short is Interfaces.C.unsigned_short;
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subtype unsigned_long is Interfaces.C.unsigned_long;
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subtype unsigned_char is Interfaces.C.unsigned_char;
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subtype plain_char is Interfaces.C.plain_char;
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subtype size_t is Interfaces.C.size_t;
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-----------
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-- Errno --
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-----------
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function Errno return int;
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pragma Inline (Errno);
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-- NAMEs not used are commented-out
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-- NAMEs not supported on this system have __NAME for value
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-- E2BIG : constant := 7;
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-- EACCES : constant := 13;
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EAGAIN : constant := 35;
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-- EBADF : constant := 9;
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-- EBUSY : constant := 16;
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-- ECHILD : constant := 10;
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-- EDEADLK : constant := 11;
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-- EDOM : constant := 33;
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-- EEXIST : constant := 17;
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-- EFAULT : constant := 14;
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-- EFBIG : constant := 27;
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EINTR : constant := 4;
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EINVAL : constant := 22;
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-- EIO : constant := 5;
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-- EISDIR : constant := 21;
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-- EMFILE : constant := 24;
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-- EMLINK : constant := 31;
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-- ENAMETOOLONG : constant := 63;
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-- ENFILE : constant := 23;
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-- ENODEV : constant := 19;
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-- ENOENT : constant := 2;
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-- ENOEXEC : constant := 8;
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-- ENOLCK : constant := 37;
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ENOMEM : constant := 12;
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-- ENOSPC : constant := 28;
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-- ENOSYS : constant := 78;
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-- ENOTDIR : constant := 20;
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-- ENOTEMPTY : constant := 66;
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-- ENOTTY : constant := 25;
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-- ENXIO : constant := 6;
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-- EPERM : constant := 1;
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-- EPIPE : constant := 32;
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-- ERANGE : constant := 34;
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-- EROFS : constant := 30;
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-- ESPIPE : constant := 29;
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-- ESRCH : constant := 3;
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ETIMEDOUT : constant := 60;
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-- EXDEV : constant := 18;
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-------------
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-- Signals --
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-------------
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Max_Interrupt : constant := 31;
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type Signal is new int range 0 .. Max_Interrupt;
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for Signal'Size use int'Size;
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-- NAMEs not used are commented-out
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-- NAMEs not supported on this system have __NAME for value
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SIGHUP : constant := 1; -- hangup
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SIGINT : constant := 2; -- interrupt (rubout)
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SIGQUIT : constant := 3; -- quit (ASCD FS)
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SIGILL : constant := 4; -- illegal instruction (not reset)
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SIGTRAP : constant := 5; -- trace trap (not reset)
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SIGIOT : constant := 6; -- IOT instruction
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SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
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SIGEMT : constant := 7; -- EMT instruction
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SIGFPE : constant := 8; -- floating point exception
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SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
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SIGBUS : constant := 10; -- bus error
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SIGSEGV : constant := 11; -- segmentation violation
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SIGSYS : constant := 12; -- bad argument to system call
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SIGPIPE : constant := 13; -- write on a pipe with no one to read it
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SIGALRM : constant := 14; -- alarm clock
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SIGTERM : constant := 15; -- software termination signal from kill
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SIGURG : constant := 16; -- urgent condition on IO channel
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SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
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SIGTSTP : constant := 18; -- user stop requested from tty
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SIGCONT : constant := 19; -- stopped process has been continued
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SIGCLD : constant := 20; -- alias for SIGCHLD
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SIGCHLD : constant := 20; -- child status change
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SIGTTIN : constant := 21; -- background tty read attempted
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SIGTTOU : constant := 22; -- background tty write attempted
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SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias)
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SIGXCPU : constant := 24; -- CPU time limit exceeded
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SIGXFSZ : constant := 25; -- filesize limit exceeded
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SIGVTALRM : constant := 26; -- virtual timer expired
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SIGPROF : constant := 27; -- profiling timer expired
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SIGWINCH : constant := 28; -- window size change
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SIGINFO : constant := 29; -- information request (NetBSD/FreeBSD)
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SIGUSR1 : constant := 30; -- user defined signal 1
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SIGUSR2 : constant := 31; -- user defined signal 2
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SIGADAABORT : constant := SIGABRT;
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-- Change this if you want to use another signal for task abort.
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-- SIGTERM might be a good one.
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type Signal_Set is array (Natural range <>) of Signal;
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-- Interrupts that must be unmasked at all times. FreeBSD
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-- pthreads will not allow an application to mask out any
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-- interrupt needed by the threads library.
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Unmasked : constant Signal_Set :=
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(SIGTRAP, SIGBUS, SIGTTIN, SIGTTOU, SIGTSTP);
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-- FreeBSD will uses SIGPROF for timing. Do not allow a
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-- handler to attach to this signal.
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Reserved : constant Signal_Set := (0 .. 0 => SIGPROF);
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type sigset_t is private;
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function sigaddset (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigaddset, "sigaddset");
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function sigdelset (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigdelset, "sigdelset");
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function sigfillset (set : access sigset_t) return int;
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pragma Import (C, sigfillset, "sigfillset");
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function sigismember (set : access sigset_t; sig : Signal) return int;
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pragma Import (C, sigismember, "sigismember");
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function sigemptyset (set : access sigset_t) return int;
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pragma Import (C, sigemptyset, "sigemptyset");
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-- sigcontext is architecture dependent, so define it private
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type struct_sigcontext is private;
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type old_struct_sigaction is record
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sa_handler : System.Address;
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sa_mask : sigset_t;
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sa_flags : int;
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end record;
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pragma Convention (C, old_struct_sigaction);
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type new_struct_sigaction is record
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sa_handler : System.Address;
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sa_flags : int;
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sa_mask : sigset_t;
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end record;
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pragma Convention (C, new_struct_sigaction);
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subtype struct_sigaction is new_struct_sigaction;
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type struct_sigaction_ptr is access all struct_sigaction;
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SIG_BLOCK : constant := 1;
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SIG_UNBLOCK : constant := 2;
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SIG_SETMASK : constant := 3;
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-- SA_NOCLDSTOP : constant := 8;
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-- not used
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-- SA_SIGINFO : constant := __SA_SIGINFO;
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-- not used
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SIG_DFL : constant := 0;
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SIG_IGN : constant := 1;
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-- SIG_ERR : constatn := -1;
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-- not used
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function sigaction
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(sig : Signal;
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act : struct_sigaction_ptr;
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oact : struct_sigaction_ptr)
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return int;
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pragma Import (C, sigaction, "sigaction");
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----------
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-- Time --
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----------
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Time_Slice_Supported : constant Boolean := True;
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-- Indicates wether time slicing is supported (i.e SCHED_RR is supported)
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type timespec is private;
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function nanosleep (rqtp, rmtp : access timespec) return int;
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pragma Import (C, nanosleep, "nanosleep");
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type clockid_t is private;
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CLOCK_REALTIME : constant clockid_t;
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function clock_gettime
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(clock_id : clockid_t;
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tp : access timespec)
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return int;
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pragma Import (C, clock_gettime, "clock_gettime");
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function To_Duration (TS : timespec) return Duration;
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pragma Inline (To_Duration);
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function To_Timespec (D : Duration) return timespec;
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pragma Inline (To_Timespec);
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type struct_timezone is record
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tz_minuteswest : int;
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tz_dsttime : int;
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end record;
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pragma Convention (C, struct_timezone);
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type struct_timeval is private;
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-- This is needed on systems that do not have clock_gettime()
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-- but do have gettimeofday().
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function To_Duration (TV : struct_timeval) return Duration;
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pragma Inline (To_Duration);
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function To_Timeval (D : Duration) return struct_timeval;
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pragma Inline (To_Timeval);
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function gettimeofday
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(tv : access struct_timeval;
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tz : System.Address) return int;
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pragma Import (C, gettimeofday, "gettimeofday");
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procedure usleep (useconds : unsigned_long);
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pragma Import (C, usleep, "usleep");
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-- add a hook to locate the Epoch, for use with Calendar????
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-------------------------
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-- Priority Scheduling --
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-------------------------
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SCHED_FIFO : constant := 1;
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SCHED_OTHER : constant := 2;
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SCHED_RR : constant := 3;
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-------------
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-- Process --
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-------------
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type pid_t is private;
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Self_PID : constant pid_t;
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function kill
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(pid : pid_t;
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sig : Signal)
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return int;
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pragma Import (C, kill, "kill");
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function getpid return pid_t;
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pragma Import (C, getpid, "getpid");
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---------
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-- LWP --
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---------
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function lwp_self return System.Address;
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-- lwp_self does not exist on this thread library, revert to pthread_self
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-- which is the closest approximation (with getpid). This function is
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-- needed to share 7staprop.adb across POSIX-like targets.
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pragma Import (C, lwp_self, "pthread_self");
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-------------
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-- Threads --
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-------------
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type Thread_Body is access
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function (arg : System.Address) return System.Address;
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type pthread_t is private;
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subtype Thread_Id is pthread_t;
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type pthread_mutex_t is limited private;
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type pthread_cond_t is limited private;
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type pthread_attr_t is limited private;
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type pthread_mutexattr_t is limited private;
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type pthread_condattr_t is limited private;
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type pthread_key_t is private;
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PTHREAD_CREATE_DETACHED : constant := 1;
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PTHREAD_CREATE_JOINABLE : constant := 0;
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-----------
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-- Stack --
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-----------
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Stack_Base_Available : constant Boolean := False;
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-- Indicates wether the stack base is available on this target.
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-- This allows us to share s-osinte.adb between all the FSU run time.
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-- Note that this value can only be true if pthread_t has a complete
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-- definition that corresponds exactly to the C header files.
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function Get_Stack_Base (thread : pthread_t) return Address;
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pragma Inline (Get_Stack_Base);
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-- returns the stack base of the specified thread.
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-- Only call this function when Stack_Base_Available is True.
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function Get_Page_Size return size_t;
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function Get_Page_Size return Address;
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pragma Import (C, Get_Page_Size, "getpagesize");
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-- returns the size of a page, or 0 if this is not relevant on this
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-- target
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PROT_NONE : constant := 0;
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PROT_READ : constant := 1;
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PROT_WRITE : constant := 2;
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PROT_EXEC : constant := 4;
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PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
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PROT_ON : constant := PROT_NONE;
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PROT_OFF : constant := PROT_ALL;
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function mprotect
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(addr : Address; len : size_t; prot : int) return int;
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pragma Import (C, mprotect);
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-----------------------------------------
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-- Nonstandard Thread Initialization --
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-----------------------------------------
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-- FSU_THREADS requires pthread_init, which is nonstandard
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-- and this should be invoked during the elaboration of s-taprop.adb
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--
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-- FreeBSD does not require this so we provide an empty Ada body.
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procedure pthread_init;
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---------------------------
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-- POSIX.1c Section 3 --
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---------------------------
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function sigwait
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(set : access sigset_t;
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sig : access Signal)
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return int;
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pragma Import (C, sigwait, "sigwait");
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function pthread_kill
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(thread : pthread_t;
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sig : Signal)
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return int;
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pragma Import (C, pthread_kill, "pthread_kill");
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type sigset_t_ptr is access all sigset_t;
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function pthread_sigmask
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(how : int;
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set : sigset_t_ptr;
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oset : sigset_t_ptr)
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return int;
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pragma Import (C, pthread_sigmask, "pthread_sigmask");
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----------------------------
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-- POSIX.1c Section 11 --
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----------------------------
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function pthread_mutexattr_init
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(attr : access pthread_mutexattr_t)
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return int;
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pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
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function pthread_mutexattr_destroy
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(attr : access pthread_mutexattr_t)
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return int;
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pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
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function pthread_mutex_init
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(mutex : access pthread_mutex_t;
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attr : access pthread_mutexattr_t)
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return int;
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pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
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function pthread_mutex_destroy
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(mutex : access pthread_mutex_t)
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return int;
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pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
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function pthread_mutex_lock
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(mutex : access pthread_mutex_t)
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return int;
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pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
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function pthread_mutex_unlock
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(mutex : access pthread_mutex_t)
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return int;
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pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
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function pthread_condattr_init
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(attr : access pthread_condattr_t)
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return int;
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pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
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function pthread_condattr_destroy
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(attr : access pthread_condattr_t)
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return int;
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pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
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function pthread_cond_init
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(cond : access pthread_cond_t;
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attr : access pthread_condattr_t)
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return int;
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pragma Import (C, pthread_cond_init, "pthread_cond_init");
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function pthread_cond_destroy
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(cond : access pthread_cond_t)
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return int;
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pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
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function pthread_cond_signal
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(cond : access pthread_cond_t)
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return int;
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pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
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function pthread_cond_wait
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(cond : access pthread_cond_t;
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mutex : access pthread_mutex_t)
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return int;
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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");
|
|
|
|
Relative_Timed_Wait : constant Boolean := False;
|
|
-- pthread_cond_timedwait requires an absolute delay time
|
|
|
|
----------------------------
|
|
-- POSIX.1c Section 13 --
|
|
----------------------------
|
|
|
|
PTHREAD_PRIO_NONE : constant := 0;
|
|
PTHREAD_PRIO_PROTECT : constant := 2;
|
|
PTHREAD_PRIO_INHERIT : constant := 1;
|
|
|
|
function pthread_mutexattr_setprotocol
|
|
(attr : access pthread_mutexattr_t;
|
|
protocol : int)
|
|
return int;
|
|
pragma Import
|
|
(C, pthread_mutexattr_setprotocol, "pthread_mutexattr_setprotocol");
|
|
|
|
function pthread_mutexattr_getprotocol
|
|
(attr : access pthread_mutexattr_t;
|
|
protocol : access int)
|
|
return int;
|
|
pragma Import
|
|
(C, pthread_mutexattr_getprotocol, "pthread_mutexattr_getprotocol");
|
|
|
|
function pthread_mutexattr_setprioceiling
|
|
(attr : access pthread_mutexattr_t;
|
|
prioceiling : int)
|
|
return int;
|
|
pragma Import
|
|
(C, pthread_mutexattr_setprioceiling,
|
|
"pthread_mutexattr_setprioceiling");
|
|
|
|
function pthread_mutexattr_getprioceiling
|
|
(attr : access pthread_mutexattr_t;
|
|
prioceiling : access int)
|
|
return int;
|
|
pragma Import
|
|
(C, pthread_mutexattr_getprioceiling,
|
|
"pthread_mutexattr_getprioceiling");
|
|
|
|
type struct_sched_param is record
|
|
sched_priority : int;
|
|
end record;
|
|
pragma Convention (C, struct_sched_param);
|
|
|
|
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_setschedparam
|
|
(thread : pthread_t;
|
|
policy : int;
|
|
param : access struct_sched_param)
|
|
return int;
|
|
pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
|
|
|
|
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");
|
|
|
|
function pthread_attr_setschedparam
|
|
(attr : access pthread_attr_t;
|
|
sched_param : int)
|
|
return int;
|
|
pragma Import (C, pthread_attr_setschedparam, "pthread_attr_setschedparam");
|
|
|
|
function pthread_attr_getschedparam
|
|
(attr : access pthread_attr_t;
|
|
sched_param : access int)
|
|
return int;
|
|
pragma Import (C, pthread_attr_getschedparam, "pthread_attr_getschedparam");
|
|
|
|
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 array (1 .. 4) of unsigned;
|
|
|
|
-- In FreeBSD the component sa_handler turns out to
|
|
-- be one a union type, and the selector is a macro:
|
|
-- #define sa_handler __sigaction_u._handler
|
|
-- #define sa_sigaction __sigaction_u._sigaction
|
|
|
|
-- 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);
|
|
|
|
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;
|