diff options
Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-osinte-linux.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-osinte-linux.ads | 567 |
1 files changed, 567 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-osinte-linux.ads b/gcc-4.4.3/gcc/ada/s-osinte-linux.ads new file mode 100644 index 000000000..bbaa0b428 --- /dev/null +++ b/gcc-4.4.3/gcc/ada/s-osinte-linux.ads @@ -0,0 +1,567 @@ +------------------------------------------------------------------------------ +-- -- +-- 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) 1991-1994, Florida State University -- +-- Copyright (C) 1995-2008, Free Software Foundation, Inc. -- +-- -- +-- GNARL is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNARL; see file COPYING. If not, write -- +-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNARL was developed by the GNARL team at Florida State University. -- +-- Extensive contributions were provided by Ada Core Technologies, Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is a GNU/Linux (GNU/LinuxThreads) 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.Linux; + +package System.OS_Interface is + pragma Preelaborate; + + pragma Linker_Options ("-lpthread"); + + subtype int is Interfaces.C.int; + subtype char is Interfaces.C.char; + subtype short is Interfaces.C.short; + subtype long is Interfaces.C.long; + subtype unsigned is Interfaces.C.unsigned; + subtype unsigned_short is Interfaces.C.unsigned_short; + subtype unsigned_long is Interfaces.C.unsigned_long; + subtype unsigned_char is Interfaces.C.unsigned_char; + subtype plain_char is Interfaces.C.plain_char; + subtype size_t is Interfaces.C.size_t; + + ----------- + -- Errno -- + ----------- + + function errno return int; + pragma Import (C, errno, "__get_errno"); + + EAGAIN : constant := System.Linux.EAGAIN; + EINTR : constant := System.Linux.EINTR; + EINVAL : constant := System.Linux.EINVAL; + ENOMEM : constant := System.Linux.ENOMEM; + EPERM : constant := System.Linux.EPERM; + ETIMEDOUT : constant := System.Linux.ETIMEDOUT; + + ------------- + -- Signals -- + ------------- + + Max_Interrupt : constant := 63; + type Signal is new int range 0 .. Max_Interrupt; + for Signal'Size use int'Size; + + SIGHUP : constant := System.Linux.SIGHUP; + SIGINT : constant := System.Linux.SIGINT; + SIGQUIT : constant := System.Linux.SIGQUIT; + SIGILL : constant := System.Linux.SIGILL; + SIGTRAP : constant := System.Linux.SIGTRAP; + SIGIOT : constant := System.Linux.SIGIOT; + SIGABRT : constant := System.Linux.SIGABRT; + SIGFPE : constant := System.Linux.SIGFPE; + SIGKILL : constant := System.Linux.SIGKILL; + SIGBUS : constant := System.Linux.SIGBUS; + SIGSEGV : constant := System.Linux.SIGSEGV; + SIGPIPE : constant := System.Linux.SIGPIPE; + SIGALRM : constant := System.Linux.SIGALRM; + SIGTERM : constant := System.Linux.SIGTERM; + SIGUSR1 : constant := System.Linux.SIGUSR1; + SIGUSR2 : constant := System.Linux.SIGUSR2; + SIGCLD : constant := System.Linux.SIGCLD; + SIGCHLD : constant := System.Linux.SIGCHLD; + SIGPWR : constant := System.Linux.SIGPWR; + SIGWINCH : constant := System.Linux.SIGWINCH; + SIGURG : constant := System.Linux.SIGURG; + SIGPOLL : constant := System.Linux.SIGPOLL; + SIGIO : constant := System.Linux.SIGIO; + SIGLOST : constant := System.Linux.SIGLOST; + SIGSTOP : constant := System.Linux.SIGSTOP; + SIGTSTP : constant := System.Linux.SIGTSTP; + SIGCONT : constant := System.Linux.SIGCONT; + SIGTTIN : constant := System.Linux.SIGTTIN; + SIGTTOU : constant := System.Linux.SIGTTOU; + SIGVTALRM : constant := System.Linux.SIGVTALRM; + SIGPROF : constant := System.Linux.SIGPROF; + SIGXCPU : constant := System.Linux.SIGXCPU; + SIGXFSZ : constant := System.Linux.SIGXFSZ; + SIGUNUSED : constant := System.Linux.SIGUNUSED; + SIGSTKFLT : constant := System.Linux.SIGSTKFLT; + SIGLTHRRES : constant := System.Linux.SIGLTHRRES; + SIGLTHRCAN : constant := System.Linux.SIGLTHRCAN; + SIGLTHRDBG : constant := System.Linux.SIGLTHRDBG; + + SIGADAABORT : constant := SIGABRT; + -- Change this if you want to use another signal for task abort. + -- SIGTERM might be a good one. + + type Signal_Set is array (Natural range <>) of Signal; + + Unmasked : constant Signal_Set := ( + SIGTRAP, + -- 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 cannot be masked; + -- POSIX simply won't allow it. + + SIGLTHRRES, SIGLTHRCAN, SIGLTHRDBG); + -- These three signals are used by GNU/LinuxThreads starting from + -- glibc 2.1 (future 2.2). + + Reserved : constant Signal_Set := + -- I am not sure why the following two signals are reserved. + -- I guess they are not supported by this version of GNU/Linux. + (SIGVTALRM, SIGUNUSED); + + type sigset_t is private; + + function sigaddset (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigaddset, "sigaddset"); + + function sigdelset (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigdelset, "sigdelset"); + + function sigfillset (set : access sigset_t) return int; + pragma Import (C, sigfillset, "sigfillset"); + + function sigismember (set : access sigset_t; sig : Signal) return int; + pragma Import (C, sigismember, "sigismember"); + + function sigemptyset (set : access sigset_t) return int; + pragma Import (C, sigemptyset, "sigemptyset"); + + type union_type_3 is new String (1 .. 116); + type siginfo_t is record + si_signo : int; + si_code : int; + si_errno : int; + X_data : union_type_3; + end record; + pragma Convention (C, siginfo_t); + + type struct_sigaction is record + sa_handler : System.Address; + sa_mask : sigset_t; + sa_flags : Interfaces.C.unsigned_long; + sa_restorer : System.Address; + end record; + pragma Convention (C, struct_sigaction); + + type struct_sigaction_ptr is access all struct_sigaction; + + type Machine_State is record + eip : unsigned_long; + ebx : unsigned_long; + esp : unsigned_long; + ebp : unsigned_long; + esi : unsigned_long; + edi : unsigned_long; + end record; + type Machine_State_Ptr is access all Machine_State; + + SA_SIGINFO : constant := System.Linux.SA_SIGINFO; + SA_ONSTACK : constant := System.Linux.SA_ONSTACK; + + SIG_BLOCK : constant := 0; + SIG_UNBLOCK : constant := 1; + SIG_SETMASK : constant := 2; + + SIG_DFL : constant := 0; + SIG_IGN : constant := 1; + + function sigaction + (sig : Signal; + act : struct_sigaction_ptr; + oact : struct_sigaction_ptr) return int; + pragma Import (C, sigaction, "sigaction"); + + ---------- + -- Time -- + ---------- + + type timespec is private; + + function To_Duration (TS : timespec) return Duration; + pragma Inline (To_Duration); + + function To_Timespec (D : Duration) return timespec; + pragma Inline (To_Timespec); + + type struct_timeval is private; + + function To_Duration (TV : struct_timeval) return Duration; + pragma Inline (To_Duration); + + function To_Timeval (D : Duration) return struct_timeval; + pragma Inline (To_Timeval); + + function gettimeofday + (tv : access struct_timeval; + tz : System.Address := System.Null_Address) return int; + pragma Import (C, gettimeofday, "gettimeofday"); + + function sysconf (name : int) return long; + pragma Import (C, sysconf); + + SC_CLK_TCK : constant := 2; + SC_NPROCESSORS_ONLN : constant := 84; + + ------------------------- + -- Priority Scheduling -- + ------------------------- + + SCHED_OTHER : constant := 0; + SCHED_FIFO : constant := 1; + SCHED_RR : constant := 2; + + function To_Target_Priority + (Prio : System.Any_Priority) return Interfaces.C.int; + -- 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 unsigned_long; + subtype Thread_Id is pthread_t; + + function To_pthread_t is new Ada.Unchecked_Conversion + (unsigned_long, 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; + + ----------- + -- 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; + pragma Import (C, sigaltstack, "sigaltstack"); + + Alternate_Stack : aliased System.Address; + pragma Import (C, Alternate_Stack, "__gnat_alternate_stack"); + -- The alternate signal stack for stack overflows + + Alternate_Stack_Size : constant := 16 * 1024; + -- This must be in keeping with init.c:__gnat_alternate_stack + + function Get_Stack_Base (thread : pthread_t) return Address; + pragma Inline (Get_Stack_Base); + -- This is a dummy procedure to share some GNULLI files + + --------------------------------------- + -- Nonstandard Thread Initialization -- + --------------------------------------- + + procedure pthread_init; + pragma Inline (pthread_init); + -- This is a dummy procedure to share some GNULLI files + + ------------------------- + -- 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_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 -- + -------------------------- + + type struct_sched_param is record + sched_priority : int; -- scheduling priority + 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_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, "pthread_attr_setdetachstate"); + + function pthread_attr_setstacksize + (attr : access pthread_attr_t; + stacksize : size_t) return int; + pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize"); + + function pthread_create + (thread : access pthread_t; + attributes : access pthread_attr_t; + start_routine : Thread_Body; + arg : System.Address) return int; + pragma 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"); + + -------------------------- + -- 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"); + + CPU_SETSIZE : constant := 1_024; + + type bit_field is array (1 .. CPU_SETSIZE) of Boolean; + for bit_field'Size use CPU_SETSIZE; + pragma Pack (bit_field); + pragma Convention (C, bit_field); + + type cpu_set_t is record + bits : bit_field; + end record; + pragma Convention (C, cpu_set_t); + + function pthread_setaffinity_np + (thread : pthread_t; + cpusetsize : size_t; + cpuset : access cpu_set_t) return int; + pragma Import (C, pthread_setaffinity_np, "__gnat_pthread_setaffinity_np"); + +private + + type sigset_t is array (0 .. 127) of Interfaces.C.unsigned_char; + pragma Convention (C, sigset_t); + for sigset_t'Alignment use Interfaces.C.unsigned_long'Alignment; + + pragma Warnings (Off); + for struct_sigaction use record + sa_handler at 0 range 0 .. Standard'Address_Size - 1; + sa_mask at Linux.sa_mask_pos range 0 .. 1023; + sa_flags at Linux.sa_flags_pos range 0 .. Standard'Address_Size - 1; + end record; + -- We intentionally leave sa_restorer unspecified and let the compiler + -- append it after the last field, so disable corresponding warning. + pragma Warnings (On); + + 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 struct_timeval is record + tv_sec : time_t; + tv_usec : time_t; + end record; + pragma Convention (C, struct_timeval); + + type pthread_attr_t is record + detachstate : int; + schedpolicy : int; + schedparam : struct_sched_param; + inheritsched : int; + scope : int; + guardsize : size_t; + stackaddr_set : int; + stackaddr : System.Address; + stacksize : size_t; + end record; + pragma Convention (C, pthread_attr_t); + + type pthread_condattr_t is record + dummy : int; + end record; + pragma Convention (C, pthread_condattr_t); + + type pthread_mutexattr_t is record + mutexkind : int; + end record; + pragma Convention (C, pthread_mutexattr_t); + + type pthread_mutex_t is new System.Linux.pthread_mutex_t; + + type pthread_cond_t is array (0 .. 47) of unsigned_char; + pragma Convention (C, pthread_cond_t); + + type pthread_key_t is new unsigned; + +end System.OS_Interface; |