------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
-- --
|
-- --
|
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
|
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
|
-- --
|
-- --
|
-- S Y S T E M . O S _ I N T E R F A C E --
|
-- S Y S T E M . O S _ I N T E R F A C E --
|
-- --
|
-- --
|
-- S p e c --
|
-- S p e c --
|
-- --
|
-- --
|
-- Copyright (C) 1991-1994, Florida State University --
|
-- Copyright (C) 1991-1994, Florida State University --
|
-- Copyright (C) 1995-2011, Free Software Foundation, Inc. --
|
-- Copyright (C) 1995-2011, Free Software Foundation, Inc. --
|
-- --
|
-- --
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
-- 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- --
|
-- 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- --
|
-- 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- --
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
-- --
|
-- --
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
-- version 3.1, as published by the Free Software Foundation. --
|
-- version 3.1, as published by the Free Software Foundation. --
|
-- --
|
-- --
|
-- You should have received a copy of the GNU General Public License and --
|
-- 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; --
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
-- <http://www.gnu.org/licenses/>. --
|
-- <http://www.gnu.org/licenses/>. --
|
-- --
|
-- --
|
-- GNARL was developed by the GNARL team at Florida State University. --
|
-- GNARL was developed by the GNARL team at Florida State University. --
|
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
|
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
|
-- --
|
-- --
|
------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
|
|
-- This is a LynxOS (POSIX Threads) version of this package
|
-- This is a LynxOS (POSIX Threads) version of this package
|
|
|
-- This package encapsulates all direct interfaces to OS services
|
-- This package encapsulates all direct interfaces to OS services
|
-- that are needed by the tasking run-time (libgnarl).
|
-- that are needed by the tasking run-time (libgnarl).
|
|
|
-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
|
-- 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.
|
-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
|
|
|
with Ada.Unchecked_Conversion;
|
with Ada.Unchecked_Conversion;
|
|
|
with Interfaces.C;
|
with Interfaces.C;
|
|
|
package System.OS_Interface is
|
package System.OS_Interface is
|
pragma Preelaborate;
|
pragma Preelaborate;
|
|
|
pragma Linker_Options ("-mthreads");
|
pragma Linker_Options ("-mthreads");
|
-- Selects the POSIX 1.c runtime, rather than the non-threading runtime
|
-- Selects the POSIX 1.c runtime, rather than the non-threading runtime
|
-- or the deprecated legacy threads library. The -mthreads flag is
|
-- or the deprecated legacy threads library. The -mthreads flag is
|
-- defined in patch.LynxOS and matches the definition for Lynx's gcc.
|
-- defined in patch.LynxOS and matches the definition for Lynx's gcc.
|
|
|
subtype int is Interfaces.C.int;
|
subtype int is Interfaces.C.int;
|
subtype short is Interfaces.C.short;
|
subtype short is Interfaces.C.short;
|
subtype long is Interfaces.C.long;
|
subtype long is Interfaces.C.long;
|
subtype unsigned is Interfaces.C.unsigned;
|
subtype unsigned is Interfaces.C.unsigned;
|
subtype unsigned_short is Interfaces.C.unsigned_short;
|
subtype unsigned_short is Interfaces.C.unsigned_short;
|
subtype unsigned_long is Interfaces.C.unsigned_long;
|
subtype unsigned_long is Interfaces.C.unsigned_long;
|
subtype unsigned_char is Interfaces.C.unsigned_char;
|
subtype unsigned_char is Interfaces.C.unsigned_char;
|
subtype plain_char is Interfaces.C.plain_char;
|
subtype plain_char is Interfaces.C.plain_char;
|
subtype size_t is Interfaces.C.size_t;
|
subtype size_t is Interfaces.C.size_t;
|
|
|
-----------
|
-----------
|
-- Errno --
|
-- Errno --
|
-----------
|
-----------
|
|
|
function errno return int;
|
function errno return int;
|
pragma Import (C, errno, "__get_errno");
|
pragma Import (C, errno, "__get_errno");
|
|
|
EAGAIN : constant := 11;
|
EAGAIN : constant := 11;
|
EINTR : constant := 4;
|
EINTR : constant := 4;
|
EINVAL : constant := 22;
|
EINVAL : constant := 22;
|
ENOMEM : constant := 12;
|
ENOMEM : constant := 12;
|
ETIMEDOUT : constant := 60;
|
ETIMEDOUT : constant := 60;
|
|
|
-------------
|
-------------
|
-- Signals --
|
-- Signals --
|
-------------
|
-------------
|
|
|
Max_Interrupt : constant := 63;
|
Max_Interrupt : constant := 63;
|
|
|
-- Max_Interrupt is the number of OS signals, as defined in:
|
-- Max_Interrupt is the number of OS signals, as defined in:
|
--
|
--
|
-- /usr/include/sys/signal.h
|
-- /usr/include/sys/signal.h
|
--
|
--
|
--
|
--
|
-- The lowest numbered signal is 1, but 0 is a valid argument to some
|
-- The lowest numbered signal is 1, but 0 is a valid argument to some
|
-- library functions, e.g. kill(2). However, 0 is not just another
|
-- library functions, e.g. kill(2). However, 0 is not just another
|
-- signal: For instance 'I in Signal' and similar should be used with
|
-- signal: For instance 'I in Signal' and similar should be used with
|
-- caution.
|
-- caution.
|
|
|
type Signal is new int range 0 .. Max_Interrupt;
|
type Signal is new int range 0 .. Max_Interrupt;
|
for Signal'Size use int'Size;
|
for Signal'Size use int'Size;
|
|
|
SIGHUP : constant := 1; -- hangup
|
SIGHUP : constant := 1; -- hangup
|
SIGINT : constant := 2; -- interrupt (rubout)
|
SIGINT : constant := 2; -- interrupt (rubout)
|
SIGQUIT : constant := 3; -- quit (ASCD FS)
|
SIGQUIT : constant := 3; -- quit (ASCD FS)
|
SIGILL : constant := 4; -- illegal instruction (not reset)
|
SIGILL : constant := 4; -- illegal instruction (not reset)
|
SIGTRAP : constant := 5; -- trace trap (not reset)
|
SIGTRAP : constant := 5; -- trace trap (not reset)
|
SIGBRK : constant := 6; -- break
|
SIGBRK : constant := 6; -- break
|
SIGIOT : constant := 6; -- IOT instruction
|
SIGIOT : constant := 6; -- IOT instruction
|
SIGABRT : constant := 6; -- used by abort, replace SIGIOT in future
|
SIGABRT : constant := 6; -- used by abort, replace SIGIOT in future
|
SIGCORE : constant := 7; -- kill with core dump
|
SIGCORE : constant := 7; -- kill with core dump
|
SIGEMT : constant := 7; -- EMT instruction
|
SIGEMT : constant := 7; -- EMT instruction
|
SIGFPE : constant := 8; -- floating point exception
|
SIGFPE : constant := 8; -- floating point exception
|
SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
|
SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
|
SIGBUS : constant := 10; -- bus error
|
SIGBUS : constant := 10; -- bus error
|
SIGSEGV : constant := 11; -- segmentation violation
|
SIGSEGV : constant := 11; -- segmentation violation
|
SIGSYS : constant := 12; -- bad argument to system call
|
SIGSYS : constant := 12; -- bad argument to system call
|
SIGPIPE : constant := 13; -- write on a pipe with no one to read it
|
SIGPIPE : constant := 13; -- write on a pipe with no one to read it
|
SIGALRM : constant := 14; -- alarm clock
|
SIGALRM : constant := 14; -- alarm clock
|
SIGTERM : constant := 15; -- software termination signal from kill
|
SIGTERM : constant := 15; -- software termination signal from kill
|
SIGURG : constant := 16; -- urgent condition on IO channel
|
SIGURG : constant := 16; -- urgent condition on IO channel
|
SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
|
SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
|
SIGTSTP : constant := 18; -- user stop requested from tty
|
SIGTSTP : constant := 18; -- user stop requested from tty
|
SIGCONT : constant := 19; -- stopped process has been continued
|
SIGCONT : constant := 19; -- stopped process has been continued
|
SIGCLD : constant := 20; -- alias for SIGCHLD
|
SIGCLD : constant := 20; -- alias for SIGCHLD
|
SIGCHLD : constant := 20; -- child status change
|
SIGCHLD : constant := 20; -- child status change
|
SIGTTIN : constant := 21; -- background tty read attempted
|
SIGTTIN : constant := 21; -- background tty read attempted
|
SIGTTOU : constant := 22; -- background tty write attempted
|
SIGTTOU : constant := 22; -- background tty write attempted
|
SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias)
|
SIGIO : constant := 23; -- I/O possible (Solaris SIGPOLL alias)
|
SIGPOLL : constant := 23; -- pollable event occurred
|
SIGPOLL : constant := 23; -- pollable event occurred
|
SIGTHREADKILL : constant := 24; -- Reserved by LynxOS runtime
|
SIGTHREADKILL : constant := 24; -- Reserved by LynxOS runtime
|
SIGXCPU : constant := 24; -- CPU time limit exceeded
|
SIGXCPU : constant := 24; -- CPU time limit exceeded
|
SIGXFSZ : constant := 25; -- filesize limit exceeded
|
SIGXFSZ : constant := 25; -- filesize limit exceeded
|
SIGVTALRM : constant := 26; -- virtual timer expired
|
SIGVTALRM : constant := 26; -- virtual timer expired
|
SIGPROF : constant := 27; -- profiling timer expired
|
SIGPROF : constant := 27; -- profiling timer expired
|
SIGWINCH : constant := 28; -- window size change
|
SIGWINCH : constant := 28; -- window size change
|
SIGLOST : constant := 29; -- SUN 4.1 compatibility
|
SIGLOST : constant := 29; -- SUN 4.1 compatibility
|
SIGUSR1 : constant := 30; -- user defined signal 1
|
SIGUSR1 : constant := 30; -- user defined signal 1
|
SIGUSR2 : constant := 31; -- user defined signal 2
|
SIGUSR2 : constant := 31; -- user defined signal 2
|
|
|
SIGPRIO : constant := 32;
|
SIGPRIO : constant := 32;
|
-- sent to a process with its priority or group is changed
|
-- sent to a process with its priority or group is changed
|
|
|
SIGADAABORT : constant := SIGABRT;
|
SIGADAABORT : constant := SIGABRT;
|
-- Change this if you want to use another signal for task abort.
|
-- Change this if you want to use another signal for task abort.
|
-- SIGTERM might be a good one.
|
-- SIGTERM might be a good one.
|
|
|
type Signal_Set is array (Natural range <>) of Signal;
|
type Signal_Set is array (Natural range <>) of Signal;
|
|
|
Unmasked : constant Signal_Set :=
|
Unmasked : constant Signal_Set :=
|
(SIGTRAP, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF, SIGTHREADKILL);
|
(SIGTRAP, SIGTTIN, SIGTTOU, SIGTSTP, SIGPROF, SIGTHREADKILL);
|
Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGPRIO);
|
Reserved : constant Signal_Set := (SIGABRT, SIGKILL, SIGSTOP, SIGPRIO);
|
|
|
type sigset_t is private;
|
type sigset_t is private;
|
|
|
function sigaddset (set : access sigset_t; sig : Signal) return int;
|
function sigaddset (set : access sigset_t; sig : Signal) return int;
|
pragma Import (C, sigaddset, "sigaddset");
|
pragma Import (C, sigaddset, "sigaddset");
|
|
|
function sigdelset (set : access sigset_t; sig : Signal) return int;
|
function sigdelset (set : access sigset_t; sig : Signal) return int;
|
pragma Import (C, sigdelset, "sigdelset");
|
pragma Import (C, sigdelset, "sigdelset");
|
|
|
function sigfillset (set : access sigset_t) return int;
|
function sigfillset (set : access sigset_t) return int;
|
pragma Import (C, sigfillset, "sigfillset");
|
pragma Import (C, sigfillset, "sigfillset");
|
|
|
function sigismember (set : access sigset_t; sig : Signal) return int;
|
function sigismember (set : access sigset_t; sig : Signal) return int;
|
pragma Import (C, sigismember, "sigismember");
|
pragma Import (C, sigismember, "sigismember");
|
|
|
function sigemptyset (set : access sigset_t) return int;
|
function sigemptyset (set : access sigset_t) return int;
|
pragma Import (C, sigemptyset, "sigemptyset");
|
pragma Import (C, sigemptyset, "sigemptyset");
|
|
|
type struct_sigaction is record
|
type struct_sigaction is record
|
sa_handler : System.Address;
|
sa_handler : System.Address;
|
sa_mask : sigset_t;
|
sa_mask : sigset_t;
|
sa_flags : int;
|
sa_flags : int;
|
end record;
|
end record;
|
pragma Convention (C, struct_sigaction);
|
pragma Convention (C, struct_sigaction);
|
type struct_sigaction_ptr is access all struct_sigaction;
|
type struct_sigaction_ptr is access all struct_sigaction;
|
|
|
SA_SIGINFO : constant := 16#80#;
|
SA_SIGINFO : constant := 16#80#;
|
|
|
SA_ONSTACK : constant := 16#00#;
|
SA_ONSTACK : constant := 16#00#;
|
-- SA_ONSTACK is not defined on LynxOS, but it is referred to in the POSIX
|
-- SA_ONSTACK is not defined on LynxOS, but it is referred to in the POSIX
|
-- implementation of System.Interrupt_Management. Therefore we define a
|
-- implementation of System.Interrupt_Management. Therefore we define a
|
-- dummy value of zero here so that setting this flag is a nop.
|
-- dummy value of zero here so that setting this flag is a nop.
|
|
|
SIG_BLOCK : constant := 0;
|
SIG_BLOCK : constant := 0;
|
SIG_UNBLOCK : constant := 1;
|
SIG_UNBLOCK : constant := 1;
|
SIG_SETMASK : constant := 2;
|
SIG_SETMASK : constant := 2;
|
|
|
SIG_DFL : constant := 0;
|
SIG_DFL : constant := 0;
|
SIG_IGN : constant := 1;
|
SIG_IGN : constant := 1;
|
|
|
function sigaction
|
function sigaction
|
(sig : Signal;
|
(sig : Signal;
|
act : struct_sigaction_ptr;
|
act : struct_sigaction_ptr;
|
oact : struct_sigaction_ptr) return int;
|
oact : struct_sigaction_ptr) return int;
|
pragma Import (C, sigaction, "sigaction");
|
pragma Import (C, sigaction, "sigaction");
|
|
|
----------
|
----------
|
-- Time --
|
-- Time --
|
----------
|
----------
|
|
|
Time_Slice_Supported : constant Boolean := True;
|
Time_Slice_Supported : constant Boolean := True;
|
-- Indicates whether time slicing is supported
|
-- Indicates whether time slicing is supported
|
|
|
type timespec is private;
|
type timespec is private;
|
|
|
type clockid_t is new int;
|
type clockid_t is new int;
|
|
|
function clock_gettime
|
function clock_gettime
|
(clock_id : clockid_t;
|
(clock_id : clockid_t;
|
tp : access timespec) return int;
|
tp : access timespec) return int;
|
pragma Import (C, clock_gettime, "clock_gettime");
|
pragma Import (C, clock_gettime, "clock_gettime");
|
|
|
function clock_getres
|
function clock_getres
|
(clock_id : clockid_t;
|
(clock_id : clockid_t;
|
res : access timespec) return int;
|
res : access timespec) return int;
|
pragma Import (C, clock_getres, "clock_getres");
|
pragma Import (C, clock_getres, "clock_getres");
|
|
|
function To_Duration (TS : timespec) return Duration;
|
function To_Duration (TS : timespec) return Duration;
|
pragma Inline (To_Duration);
|
pragma Inline (To_Duration);
|
|
|
function To_Timespec (D : Duration) return timespec;
|
function To_Timespec (D : Duration) return timespec;
|
pragma Inline (To_Timespec);
|
pragma Inline (To_Timespec);
|
|
|
type struct_timezone is record
|
type struct_timezone is record
|
tz_minuteswest : int;
|
tz_minuteswest : int;
|
tz_dsttime : int;
|
tz_dsttime : int;
|
end record;
|
end record;
|
pragma Convention (C, struct_timezone);
|
pragma Convention (C, struct_timezone);
|
type struct_timezone_ptr is access all struct_timezone;
|
type struct_timezone_ptr is access all struct_timezone;
|
|
|
-------------------------
|
-------------------------
|
-- Priority Scheduling --
|
-- Priority Scheduling --
|
-------------------------
|
-------------------------
|
|
|
SCHED_FIFO : constant := 16#200000#;
|
SCHED_FIFO : constant := 16#200000#;
|
SCHED_RR : constant := 16#100000#;
|
SCHED_RR : constant := 16#100000#;
|
SCHED_OTHER : constant := 16#400000#;
|
SCHED_OTHER : constant := 16#400000#;
|
|
|
-------------
|
-------------
|
-- Process --
|
-- Process --
|
-------------
|
-------------
|
|
|
type pid_t is private;
|
type pid_t is private;
|
|
|
function kill (pid : pid_t; sig : Signal) return int;
|
function kill (pid : pid_t; sig : Signal) return int;
|
pragma Import (C, kill, "kill");
|
pragma Import (C, kill, "kill");
|
|
|
function getpid return pid_t;
|
function getpid return pid_t;
|
pragma Import (C, getpid, "getpid");
|
pragma Import (C, getpid, "getpid");
|
|
|
---------
|
---------
|
-- LWP --
|
-- LWP --
|
---------
|
---------
|
|
|
function lwp_self return System.Address;
|
function lwp_self return System.Address;
|
pragma Import (C, lwp_self, "pthread_self");
|
pragma Import (C, lwp_self, "pthread_self");
|
|
|
-------------
|
-------------
|
-- Threads --
|
-- Threads --
|
-------------
|
-------------
|
|
|
type Thread_Body is access
|
type Thread_Body is access
|
function (arg : System.Address) return System.Address;
|
function (arg : System.Address) return System.Address;
|
pragma Convention (C, Thread_Body);
|
pragma Convention (C, Thread_Body);
|
|
|
function Thread_Body_Access is new
|
function Thread_Body_Access is new
|
Ada.Unchecked_Conversion (System.Address, Thread_Body);
|
Ada.Unchecked_Conversion (System.Address, Thread_Body);
|
|
|
type pthread_t is private;
|
type pthread_t is private;
|
subtype Thread_Id is pthread_t;
|
subtype Thread_Id is pthread_t;
|
|
|
type pthread_mutex_t is limited private;
|
type pthread_mutex_t is limited private;
|
type pthread_cond_t is limited private;
|
type pthread_cond_t is limited private;
|
type pthread_attr_t is limited private;
|
type pthread_attr_t is limited private;
|
type pthread_mutexattr_t is limited private;
|
type pthread_mutexattr_t is limited private;
|
type pthread_condattr_t is limited private;
|
type pthread_condattr_t is limited private;
|
type pthread_key_t is private;
|
type pthread_key_t is private;
|
|
|
PTHREAD_CREATE_DETACHED : constant := 1;
|
PTHREAD_CREATE_DETACHED : constant := 1;
|
PTHREAD_CREATE_JOINABLE : constant := 0;
|
PTHREAD_CREATE_JOINABLE : constant := 0;
|
|
|
-----------
|
-----------
|
-- Stack --
|
-- Stack --
|
-----------
|
-----------
|
|
|
Alternate_Stack_Size : constant := 0;
|
Alternate_Stack_Size : constant := 0;
|
-- No alternate signal stack is used on this platform
|
-- No alternate signal stack is used on this platform
|
|
|
Stack_Base_Available : constant Boolean := False;
|
Stack_Base_Available : constant Boolean := False;
|
-- Indicates whether the stack base is available on this target
|
-- Indicates whether the stack base is available on this target
|
|
|
function Get_Stack_Base (thread : pthread_t) return Address;
|
function Get_Stack_Base (thread : pthread_t) return Address;
|
pragma Inline (Get_Stack_Base);
|
pragma Inline (Get_Stack_Base);
|
-- Returns the stack base of the specified thread.
|
-- Returns the stack base of the specified thread.
|
-- Only call this function when Stack_Base_Available is True.
|
-- Only call this function when Stack_Base_Available is True.
|
|
|
function Get_Page_Size return size_t;
|
function Get_Page_Size return size_t;
|
function Get_Page_Size return Address;
|
function Get_Page_Size return Address;
|
pragma Import (C, Get_Page_Size, "getpagesize");
|
pragma Import (C, Get_Page_Size, "getpagesize");
|
-- Returns the size of a page, or 0 if this is not relevant on this
|
-- Returns the size of a page, or 0 if this is not relevant on this
|
-- target
|
-- target
|
|
|
PROT_NONE : constant := 1;
|
PROT_NONE : constant := 1;
|
PROT_READ : constant := 2;
|
PROT_READ : constant := 2;
|
PROT_WRITE : constant := 4;
|
PROT_WRITE : constant := 4;
|
PROT_EXEC : constant := 8;
|
PROT_EXEC : constant := 8;
|
PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
|
PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
|
|
|
PROT_ON : constant := PROT_READ;
|
PROT_ON : constant := PROT_READ;
|
PROT_OFF : constant := PROT_ALL;
|
PROT_OFF : constant := PROT_ALL;
|
|
|
function mprotect (addr : Address; len : size_t; prot : int) return int;
|
function mprotect (addr : Address; len : size_t; prot : int) return int;
|
pragma Import (C, mprotect);
|
pragma Import (C, mprotect);
|
|
|
---------------------------------------
|
---------------------------------------
|
-- Nonstandard Thread Initialization --
|
-- Nonstandard Thread Initialization --
|
---------------------------------------
|
---------------------------------------
|
|
|
procedure pthread_init;
|
procedure pthread_init;
|
-- This is a dummy procedure to share some GNULLI files
|
-- This is a dummy procedure to share some GNULLI files
|
|
|
-------------------------
|
-------------------------
|
-- POSIX.1c Section 3 --
|
-- POSIX.1c Section 3 --
|
-------------------------
|
-------------------------
|
|
|
function sigwait
|
function sigwait
|
(set : access sigset_t;
|
(set : access sigset_t;
|
sig : access Signal) return int;
|
sig : access Signal) return int;
|
pragma Inline (sigwait);
|
pragma Inline (sigwait);
|
-- LynxOS has non standard sigwait
|
-- LynxOS has non standard sigwait
|
|
|
function pthread_kill
|
function pthread_kill
|
(thread : pthread_t;
|
(thread : pthread_t;
|
sig : Signal) return int;
|
sig : Signal) return int;
|
pragma Import (C, pthread_kill, "pthread_kill");
|
pragma Import (C, pthread_kill, "pthread_kill");
|
|
|
function pthread_sigmask
|
function pthread_sigmask
|
(how : int;
|
(how : int;
|
set : access sigset_t;
|
set : access sigset_t;
|
oset : access sigset_t) return int;
|
oset : access sigset_t) return int;
|
pragma Import (C, pthread_sigmask, "pthread_sigmask");
|
pragma Import (C, pthread_sigmask, "pthread_sigmask");
|
-- The behavior of pthread_sigmask on LynxOS requires
|
-- The behavior of pthread_sigmask on LynxOS requires
|
-- further investigation.
|
-- further investigation.
|
|
|
----------------------------
|
----------------------------
|
-- POSIX.1c Section 11 --
|
-- POSIX.1c Section 11 --
|
----------------------------
|
----------------------------
|
|
|
function pthread_mutexattr_init
|
function pthread_mutexattr_init
|
(attr : access pthread_mutexattr_t) return int;
|
(attr : access pthread_mutexattr_t) return int;
|
pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
|
pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
|
|
|
function pthread_mutexattr_destroy
|
function pthread_mutexattr_destroy
|
(attr : access pthread_mutexattr_t) return int;
|
(attr : access pthread_mutexattr_t) return int;
|
pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
|
pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
|
|
|
function pthread_mutex_init
|
function pthread_mutex_init
|
(mutex : access pthread_mutex_t;
|
(mutex : access pthread_mutex_t;
|
attr : access pthread_mutexattr_t) return int;
|
attr : access pthread_mutexattr_t) return int;
|
pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
|
pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
|
|
|
function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
|
function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
|
pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
|
pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
|
|
|
function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
|
function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
|
pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
|
pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
|
|
|
function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
|
function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
|
pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
|
pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
|
|
|
function pthread_condattr_init
|
function pthread_condattr_init
|
(attr : access pthread_condattr_t) return int;
|
(attr : access pthread_condattr_t) return int;
|
pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
|
pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
|
|
|
function pthread_condattr_destroy
|
function pthread_condattr_destroy
|
(attr : access pthread_condattr_t) return int;
|
(attr : access pthread_condattr_t) return int;
|
pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
|
pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
|
|
|
function pthread_cond_init
|
function pthread_cond_init
|
(cond : access pthread_cond_t;
|
(cond : access pthread_cond_t;
|
attr : access pthread_condattr_t) return int;
|
attr : access pthread_condattr_t) return int;
|
pragma Import (C, pthread_cond_init, "pthread_cond_init");
|
pragma Import (C, pthread_cond_init, "pthread_cond_init");
|
|
|
function pthread_cond_destroy (cond : access pthread_cond_t) return int;
|
function pthread_cond_destroy (cond : access pthread_cond_t) return int;
|
pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
|
pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
|
|
|
function pthread_cond_signal (cond : access pthread_cond_t) return int;
|
function pthread_cond_signal (cond : access pthread_cond_t) return int;
|
pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
|
pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
|
|
|
function pthread_cond_wait
|
function pthread_cond_wait
|
(cond : access pthread_cond_t;
|
(cond : access pthread_cond_t;
|
mutex : access pthread_mutex_t) return int;
|
mutex : access pthread_mutex_t) return int;
|
pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
|
pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
|
|
|
function pthread_cond_timedwait
|
function pthread_cond_timedwait
|
(cond : access pthread_cond_t;
|
(cond : access pthread_cond_t;
|
mutex : access pthread_mutex_t;
|
mutex : access pthread_mutex_t;
|
abstime : access timespec) return int;
|
abstime : access timespec) return int;
|
pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
|
pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
|
|
|
Relative_Timed_Wait : constant Boolean := False;
|
Relative_Timed_Wait : constant Boolean := False;
|
-- pthread_cond_timedwait requires an absolute delay time
|
-- pthread_cond_timedwait requires an absolute delay time
|
|
|
--------------------------
|
--------------------------
|
-- POSIX.1c Section 13 --
|
-- POSIX.1c Section 13 --
|
--------------------------
|
--------------------------
|
|
|
PTHREAD_PRIO_NONE : constant := 0;
|
PTHREAD_PRIO_NONE : constant := 0;
|
PTHREAD_PRIO_INHERIT : constant := 1;
|
PTHREAD_PRIO_INHERIT : constant := 1;
|
PTHREAD_PRIO_PROTECT : constant := 2;
|
PTHREAD_PRIO_PROTECT : constant := 2;
|
|
|
function pthread_mutexattr_setprotocol
|
function pthread_mutexattr_setprotocol
|
(attr : access pthread_mutexattr_t;
|
(attr : access pthread_mutexattr_t;
|
protocol : int) return int;
|
protocol : int) return int;
|
pragma Import (C, pthread_mutexattr_setprotocol);
|
pragma Import (C, pthread_mutexattr_setprotocol);
|
|
|
function pthread_mutexattr_setprioceiling
|
function pthread_mutexattr_setprioceiling
|
(attr : access pthread_mutexattr_t;
|
(attr : access pthread_mutexattr_t;
|
prioceiling : int) return int;
|
prioceiling : int) return int;
|
pragma Import (C, pthread_mutexattr_setprioceiling);
|
pragma Import (C, pthread_mutexattr_setprioceiling);
|
|
|
type struct_sched_param is record
|
type struct_sched_param is record
|
sched_priority : int;
|
sched_priority : int;
|
end record;
|
end record;
|
|
|
function pthread_setschedparam
|
function pthread_setschedparam
|
(thread : pthread_t;
|
(thread : pthread_t;
|
policy : int;
|
policy : int;
|
param : access struct_sched_param) return int;
|
param : access struct_sched_param) return int;
|
pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
|
pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
|
|
|
function pthread_attr_setscope
|
function pthread_attr_setscope
|
(attr : access pthread_attr_t;
|
(attr : access pthread_attr_t;
|
contentionscope : int) return int;
|
contentionscope : int) return int;
|
pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
|
pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
|
|
|
function pthread_attr_setinheritsched
|
function pthread_attr_setinheritsched
|
(attr : access pthread_attr_t;
|
(attr : access pthread_attr_t;
|
inheritsched : int) return int;
|
inheritsched : int) return int;
|
pragma Import (C, pthread_attr_setinheritsched);
|
pragma Import (C, pthread_attr_setinheritsched);
|
|
|
function pthread_attr_setschedpolicy
|
function pthread_attr_setschedpolicy
|
(attr : access pthread_attr_t;
|
(attr : access pthread_attr_t;
|
policy : int) return int;
|
policy : int) return int;
|
pragma Import (C, pthread_attr_setschedpolicy);
|
pragma Import (C, pthread_attr_setschedpolicy);
|
|
|
function sched_yield return int;
|
function sched_yield return int;
|
pragma Import (C, sched_yield, "sched_yield");
|
pragma Import (C, sched_yield, "sched_yield");
|
|
|
--------------------------
|
--------------------------
|
-- P1003.1c Section 16 --
|
-- P1003.1c Section 16 --
|
--------------------------
|
--------------------------
|
|
|
function pthread_attr_init (attributes : access pthread_attr_t) return int;
|
function pthread_attr_init (attributes : access pthread_attr_t) return int;
|
pragma Import (C, pthread_attr_init, "pthread_attr_init");
|
pragma Import (C, pthread_attr_init, "pthread_attr_init");
|
|
|
function pthread_attr_destroy
|
function pthread_attr_destroy
|
(attributes : access pthread_attr_t) return int;
|
(attributes : access pthread_attr_t) return int;
|
pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
|
pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
|
|
|
function pthread_attr_setdetachstate
|
function pthread_attr_setdetachstate
|
(attr : access pthread_attr_t;
|
(attr : access pthread_attr_t;
|
detachstate : int) return int;
|
detachstate : int) return int;
|
pragma Import (C, pthread_attr_setdetachstate);
|
pragma Import (C, pthread_attr_setdetachstate);
|
|
|
function pthread_attr_setstacksize
|
function pthread_attr_setstacksize
|
(attr : access pthread_attr_t;
|
(attr : access pthread_attr_t;
|
stacksize : size_t) return int;
|
stacksize : size_t) return int;
|
pragma Import (C, pthread_attr_setstacksize);
|
pragma Import (C, pthread_attr_setstacksize);
|
|
|
function pthread_create
|
function pthread_create
|
(thread : access pthread_t;
|
(thread : access pthread_t;
|
attributes : access pthread_attr_t;
|
attributes : access pthread_attr_t;
|
start_routine : Thread_Body;
|
start_routine : Thread_Body;
|
arg : System.Address) return int;
|
arg : System.Address) return int;
|
pragma Import (C, pthread_create, "pthread_create");
|
pragma Import (C, pthread_create, "pthread_create");
|
|
|
procedure pthread_exit (status : System.Address);
|
procedure pthread_exit (status : System.Address);
|
pragma Import (C, pthread_exit, "pthread_exit");
|
pragma Import (C, pthread_exit, "pthread_exit");
|
|
|
function pthread_self return pthread_t;
|
function pthread_self return pthread_t;
|
pragma Import (C, pthread_self, "pthread_self");
|
pragma Import (C, pthread_self, "pthread_self");
|
|
|
--------------------------
|
--------------------------
|
-- POSIX.1c Section 17 --
|
-- POSIX.1c Section 17 --
|
--------------------------
|
--------------------------
|
|
|
function st_setspecific
|
function st_setspecific
|
(key : pthread_key_t;
|
(key : pthread_key_t;
|
value : System.Address) return int;
|
value : System.Address) return int;
|
pragma Import (C, st_setspecific, "st_setspecific");
|
pragma Import (C, st_setspecific, "st_setspecific");
|
|
|
function st_getspecific
|
function st_getspecific
|
(key : pthread_key_t;
|
(key : pthread_key_t;
|
retval : System.Address) return int;
|
retval : System.Address) return int;
|
pragma Import (C, st_getspecific, "st_getspecific");
|
pragma Import (C, st_getspecific, "st_getspecific");
|
|
|
type destructor_pointer is access procedure (arg : System.Address);
|
type destructor_pointer is access procedure (arg : System.Address);
|
pragma Convention (C, destructor_pointer);
|
pragma Convention (C, destructor_pointer);
|
|
|
function st_keycreate
|
function st_keycreate
|
(destructor : destructor_pointer;
|
(destructor : destructor_pointer;
|
key : access pthread_key_t) return int;
|
key : access pthread_key_t) return int;
|
pragma Import (C, st_keycreate, "st_keycreate");
|
pragma Import (C, st_keycreate, "st_keycreate");
|
|
|
private
|
private
|
|
|
type sigset_t is record
|
type sigset_t is record
|
X1, X2 : long;
|
X1, X2 : long;
|
end record;
|
end record;
|
pragma Convention (C, sigset_t);
|
pragma Convention (C, sigset_t);
|
|
|
type pid_t is new long;
|
type pid_t is new long;
|
|
|
type time_t is new long;
|
type time_t is new long;
|
|
|
type timespec is record
|
type timespec is record
|
tv_sec : time_t;
|
tv_sec : time_t;
|
tv_nsec : long;
|
tv_nsec : long;
|
end record;
|
end record;
|
pragma Convention (C, timespec);
|
pragma Convention (C, timespec);
|
|
|
type st_attr_t is record
|
type st_attr_t is record
|
stksize : int;
|
stksize : int;
|
prio : int;
|
prio : int;
|
inheritsched : int;
|
inheritsched : int;
|
state : int;
|
state : int;
|
sched : int;
|
sched : int;
|
detachstate : int;
|
detachstate : int;
|
guardsize : int;
|
guardsize : int;
|
end record;
|
end record;
|
pragma Convention (C, st_attr_t);
|
pragma Convention (C, st_attr_t);
|
|
|
type pthread_attr_t is record
|
type pthread_attr_t is record
|
pthread_attr_magic : unsigned;
|
pthread_attr_magic : unsigned;
|
st : st_attr_t;
|
st : st_attr_t;
|
pthread_attr_scope : int;
|
pthread_attr_scope : int;
|
end record;
|
end record;
|
pragma Convention (C, pthread_attr_t);
|
pragma Convention (C, pthread_attr_t);
|
|
|
type pthread_condattr_t is record
|
type pthread_condattr_t is record
|
cv_magic : unsigned;
|
cv_magic : unsigned;
|
cv_pshared : unsigned;
|
cv_pshared : unsigned;
|
end record;
|
end record;
|
pragma Convention (C, pthread_condattr_t);
|
pragma Convention (C, pthread_condattr_t);
|
|
|
type pthread_mutexattr_t is record
|
type pthread_mutexattr_t is record
|
m_flags : unsigned;
|
m_flags : unsigned;
|
m_prio_c : int;
|
m_prio_c : int;
|
m_pshared : int;
|
m_pshared : int;
|
end record;
|
end record;
|
pragma Convention (C, pthread_mutexattr_t);
|
pragma Convention (C, pthread_mutexattr_t);
|
|
|
type tid_t is new short;
|
type tid_t is new short;
|
type pthread_t is new tid_t;
|
type pthread_t is new tid_t;
|
|
|
type block_obj_t is new System.Address;
|
type block_obj_t is new System.Address;
|
-- typedef struct _block_obj_s {
|
-- typedef struct _block_obj_s {
|
-- struct st_entry *b_head;
|
-- struct st_entry *b_head;
|
-- } block_obj_t;
|
-- } block_obj_t;
|
|
|
type pthread_mutex_t is record
|
type pthread_mutex_t is record
|
m_flags : unsigned;
|
m_flags : unsigned;
|
m_owner : tid_t;
|
m_owner : tid_t;
|
m_wait : block_obj_t;
|
m_wait : block_obj_t;
|
m_prio_c : int;
|
m_prio_c : int;
|
m_oldprio : int;
|
m_oldprio : int;
|
m_count : int;
|
m_count : int;
|
m_referenced : int;
|
m_referenced : int;
|
end record;
|
end record;
|
pragma Convention (C, pthread_mutex_t);
|
pragma Convention (C, pthread_mutex_t);
|
type pthread_mutex_t_ptr is access all pthread_mutex_t;
|
type pthread_mutex_t_ptr is access all pthread_mutex_t;
|
|
|
type pthread_cond_t is record
|
type pthread_cond_t is record
|
cv_magic : unsigned;
|
cv_magic : unsigned;
|
cv_wait : block_obj_t;
|
cv_wait : block_obj_t;
|
cv_mutex : pthread_mutex_t_ptr;
|
cv_mutex : pthread_mutex_t_ptr;
|
cv_refcnt : int;
|
cv_refcnt : int;
|
end record;
|
end record;
|
pragma Convention (C, pthread_cond_t);
|
pragma Convention (C, pthread_cond_t);
|
|
|
type pthread_key_t is new int;
|
type pthread_key_t is new int;
|
|
|
end System.OS_Interface;
|
end System.OS_Interface;
|
|
|