| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 1991-2017, Florida State University -- |
| -- Copyright (C) 1995-2022, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNARL was developed by the GNARL team at Florida State University. -- |
| -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This is a Solaris (native) version of this package |
| |
| -- This package includes 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 Interfaces.C; |
| |
| with Ada.Unchecked_Conversion; |
| |
| with System.Parameters; |
| |
| package System.OS_Interface is |
| pragma Preelaborate; |
| |
| subtype int is Interfaces.C.int; |
| subtype short is Interfaces.C.short; |
| subtype long is Interfaces.C.long; |
| subtype unsigned is Interfaces.C.unsigned; |
| subtype unsigned_short is Interfaces.C.unsigned_short; |
| subtype unsigned_long is Interfaces.C.unsigned_long; |
| subtype unsigned_char is Interfaces.C.unsigned_char; |
| subtype plain_char is Interfaces.C.plain_char; |
| subtype size_t is Interfaces.C.size_t; |
| |
| ----------- |
| -- Errno -- |
| ----------- |
| |
| function errno return int; |
| pragma Import (C, errno, "__get_errno"); |
| |
| EAGAIN : constant := 11; |
| EINTR : constant := 4; |
| EINVAL : constant := 22; |
| ENOMEM : constant := 12; |
| ETIME : constant := 62; |
| ETIMEDOUT : constant := 145; |
| |
| ------------- |
| -- Signals -- |
| ------------- |
| |
| Max_Interrupt : constant := 45; |
| type Signal is new int range 0 .. Max_Interrupt; |
| for Signal'Size use int'Size; |
| |
| SIGHUP : constant := 1; -- hangup |
| SIGINT : constant := 2; -- interrupt (rubout) |
| SIGQUIT : constant := 3; -- quit (ASCD FS) |
| SIGILL : constant := 4; -- illegal instruction (not reset) |
| SIGTRAP : constant := 5; -- trace trap (not reset) |
| SIGIOT : constant := 6; -- IOT instruction |
| SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future |
| SIGEMT : constant := 7; -- EMT instruction |
| SIGFPE : constant := 8; -- floating point exception |
| SIGKILL : constant := 9; -- kill (cannot be caught or ignored) |
| SIGBUS : constant := 10; -- bus error |
| SIGSEGV : constant := 11; -- segmentation violation |
| SIGSYS : constant := 12; -- bad argument to system call |
| SIGPIPE : constant := 13; -- write on a pipe with no one to read it |
| SIGALRM : constant := 14; -- alarm clock |
| SIGTERM : constant := 15; -- software termination signal from kill |
| SIGUSR1 : constant := 16; -- user defined signal 1 |
| SIGUSR2 : constant := 17; -- user defined signal 2 |
| SIGCLD : constant := 18; -- alias for SIGCHLD |
| SIGCHLD : constant := 18; -- child status change |
| SIGPWR : constant := 19; -- power-fail restart |
| SIGWINCH : constant := 20; -- window size change |
| SIGURG : constant := 21; -- urgent condition on IO channel |
| SIGPOLL : constant := 22; -- pollable event occurred |
| SIGIO : constant := 22; -- I/O possible (Solaris SIGPOLL alias) |
| SIGSTOP : constant := 23; -- stop (cannot be caught or ignored) |
| SIGTSTP : constant := 24; -- user stop requested from tty |
| SIGCONT : constant := 25; -- stopped process has been continued |
| SIGTTIN : constant := 26; -- background tty read attempted |
| SIGTTOU : constant := 27; -- background tty write attempted |
| SIGVTALRM : constant := 28; -- virtual timer expired |
| SIGPROF : constant := 29; -- profiling timer expired |
| SIGXCPU : constant := 30; -- CPU time limit exceeded |
| SIGXFSZ : constant := 31; -- filesize limit exceeded |
| SIGWAITING : constant := 32; -- process's lwps blocked (Solaris) |
| SIGLWP : constant := 33; -- used by thread library (Solaris) |
| SIGFREEZE : constant := 34; -- used by CPR (Solaris) |
| SIGTHAW : constant := 35; -- used by CPR (Solaris) |
| SIGCANCEL : constant := 36; -- thread cancellation signal (libthread) |
| |
| type Signal_Set is array (Natural range <>) of Signal; |
| |
| Unmasked : constant Signal_Set := (SIGTRAP, SIGLWP, SIGPROF); |
| |
| -- Following signals should not be disturbed. |
| -- See c-posix-signals.c in FLORIST. |
| |
| Reserved : constant Signal_Set := |
| (SIGKILL, SIGSTOP, SIGWAITING, SIGCANCEL, SIGTRAP, SIGSEGV); |
| |
| type sigset_t is private; |
| |
| function sigaddset (set : access sigset_t; sig : Signal) return int; |
| pragma Import (C, sigaddset, "sigaddset"); |
| |
| function sigdelset (set : access sigset_t; sig : Signal) return int; |
| pragma Import (C, sigdelset, "sigdelset"); |
| |
| function sigfillset (set : access sigset_t) return int; |
| pragma Import (C, sigfillset, "sigfillset"); |
| |
| function sigismember (set : access sigset_t; sig : Signal) return int; |
| pragma Import (C, sigismember, "sigismember"); |
| |
| function sigemptyset (set : access sigset_t) return int; |
| pragma Import (C, sigemptyset, "sigemptyset"); |
| |
| type 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); |
| |
| -- The types mcontext_t and gregset_t are part of the ucontext_t |
| -- information, which is specific to Solaris2.4 for SPARC |
| -- The ucontext_t info seems to be used by the handler |
| -- for SIGSEGV to decide whether it is a Storage_Error (stack overflow) or |
| -- a Constraint_Error (bad pointer). The original code that did this |
| -- is suspect, so it is not clear whether we really need this part of |
| -- the signal context information, or perhaps something else. |
| -- More analysis is needed, after which these declarations may need to |
| -- be changed. |
| |
| type greg_t is new int; |
| |
| type gregset_t is array (0 .. 18) of greg_t; |
| |
| type union_type_2 is new String (1 .. 128); |
| type record_type_1 is record |
| fpu_fr : union_type_2; |
| fpu_q : System.Address; |
| fpu_fsr : unsigned; |
| fpu_qcnt : unsigned_char; |
| fpu_q_entrysize : unsigned_char; |
| fpu_en : unsigned_char; |
| end record; |
| pragma Convention (C, record_type_1); |
| |
| type array_type_7 is array (Integer range 0 .. 20) of long; |
| type mcontext_t is record |
| gregs : gregset_t; |
| gwins : System.Address; |
| fpregs : record_type_1; |
| filler : array_type_7; |
| end record; |
| pragma Convention (C, mcontext_t); |
| |
| type record_type_2 is record |
| ss_sp : System.Address; |
| ss_size : int; |
| ss_flags : int; |
| end record; |
| pragma Convention (C, record_type_2); |
| |
| type array_type_8 is array (Integer range 0 .. 22) of long; |
| type ucontext_t is record |
| uc_flags : unsigned_long; |
| uc_link : System.Address; |
| uc_sigmask : sigset_t; |
| uc_stack : record_type_2; |
| uc_mcontext : mcontext_t; |
| uc_filler : array_type_8; |
| end record; |
| pragma Convention (C, ucontext_t); |
| |
| type Signal_Handler is access procedure |
| (signo : Signal; |
| info : access siginfo_t; |
| context : access ucontext_t); |
| |
| type union_type_1 is new plain_char; |
| type array_type_2 is array (Integer range 0 .. 1) of int; |
| type struct_sigaction is record |
| sa_flags : int; |
| sa_handler : System.Address; |
| sa_mask : sigset_t; |
| sa_resv : array_type_2; |
| end record; |
| pragma Convention (C, struct_sigaction); |
| type struct_sigaction_ptr is access all struct_sigaction; |
| |
| SIG_BLOCK : constant := 1; |
| SIG_UNBLOCK : constant := 2; |
| SIG_SETMASK : constant := 3; |
| |
| 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; |
| |
| type clockid_t is new int; |
| |
| function clock_gettime |
| (clock_id : clockid_t; tp : access timespec) return int; |
| pragma Import (C, clock_gettime, "clock_gettime"); |
| |
| function clock_getres |
| (clock_id : clockid_t; res : access timespec) return int; |
| pragma Import (C, clock_getres, "clock_getres"); |
| |
| function To_Duration (TS : timespec) return Duration; |
| pragma Inline (To_Duration); |
| |
| function To_Timespec (D : Duration) return timespec; |
| pragma Inline (To_Timespec); |
| |
| function sysconf (name : int) return long; |
| pragma Import (C, sysconf); |
| |
| SC_NPROCESSORS_ONLN : constant := 15; |
| |
| ------------- |
| -- 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); |
| |
| THR_DETACHED : constant := 64; |
| THR_BOUND : constant := 1; |
| THR_NEW_LWP : constant := 2; |
| USYNC_THREAD : constant := 0; |
| |
| type thread_t is new unsigned; |
| subtype Thread_Id is thread_t; |
| -- These types should be commented ??? |
| |
| function To_thread_t is new Ada.Unchecked_Conversion (Integer, thread_t); |
| |
| type mutex_t is limited private; |
| |
| type cond_t is limited private; |
| |
| type thread_key_t is private; |
| |
| function thr_create |
| (stack_base : System.Address; |
| stack_size : size_t; |
| start_routine : Thread_Body; |
| arg : System.Address; |
| flags : int; |
| new_thread : access thread_t) return int; |
| pragma Import (C, thr_create, "thr_create"); |
| |
| function thr_min_stack return size_t; |
| pragma Import (C, thr_min_stack, "thr_min_stack"); |
| |
| function thr_self return thread_t; |
| pragma Import (C, thr_self, "thr_self"); |
| |
| function mutex_init |
| (mutex : access mutex_t; |
| mtype : int; |
| arg : System.Address) return int; |
| pragma Import (C, mutex_init, "mutex_init"); |
| |
| function mutex_destroy (mutex : access mutex_t) return int; |
| pragma Import (C, mutex_destroy, "mutex_destroy"); |
| |
| function mutex_lock (mutex : access mutex_t) return int; |
| pragma Import (C, mutex_lock, "mutex_lock"); |
| |
| function mutex_unlock (mutex : access mutex_t) return int; |
| pragma Import (C, mutex_unlock, "mutex_unlock"); |
| |
| function cond_init |
| (cond : access cond_t; |
| ctype : int; |
| arg : int) return int; |
| pragma Import (C, cond_init, "cond_init"); |
| |
| function cond_wait |
| (cond : access cond_t; mutex : access mutex_t) return int; |
| pragma Import (C, cond_wait, "cond_wait"); |
| |
| function cond_timedwait |
| (cond : access cond_t; |
| mutex : access mutex_t; |
| abstime : access timespec) return int; |
| pragma Import (C, cond_timedwait, "cond_timedwait"); |
| |
| function cond_signal (cond : access cond_t) return int; |
| pragma Import (C, cond_signal, "cond_signal"); |
| |
| function cond_destroy (cond : access cond_t) return int; |
| pragma Import (C, cond_destroy, "cond_destroy"); |
| |
| function thr_setspecific |
| (key : thread_key_t; value : System.Address) return int; |
| pragma Import (C, thr_setspecific, "thr_setspecific"); |
| |
| function thr_getspecific |
| (key : thread_key_t; |
| value : access System.Address) return int; |
| pragma Import (C, thr_getspecific, "thr_getspecific"); |
| |
| function thr_keycreate |
| (key : access thread_key_t; destructor : System.Address) return int; |
| pragma Import (C, thr_keycreate, "thr_keycreate"); |
| |
| function thr_setprio (thread : thread_t; priority : int) return int; |
| pragma Import (C, thr_setprio, "thr_setprio"); |
| |
| procedure thr_exit (status : System.Address); |
| pragma Import (C, thr_exit, "thr_exit"); |
| |
| function thr_setconcurrency (new_level : int) return int; |
| pragma Import (C, thr_setconcurrency, "thr_setconcurrency"); |
| |
| function sigwait (set : access sigset_t; sig : access Signal) return int; |
| pragma Import (C, sigwait, "__posix_sigwait"); |
| |
| function thr_kill (thread : thread_t; sig : Signal) return int; |
| pragma Import (C, thr_kill, "thr_kill"); |
| |
| function thr_sigsetmask |
| (how : int; |
| set : access sigset_t; |
| oset : access sigset_t) return int; |
| pragma Import (C, thr_sigsetmask, "thr_sigsetmask"); |
| |
| function pthread_sigmask |
| (how : int; |
| set : access sigset_t; |
| oset : access sigset_t) return int; |
| pragma Import (C, pthread_sigmask, "thr_sigsetmask"); |
| |
| function thr_suspend (target_thread : thread_t) return int; |
| pragma Import (C, thr_suspend, "thr_suspend"); |
| |
| function thr_continue (target_thread : thread_t) return int; |
| pragma Import (C, thr_continue, "thr_continue"); |
| |
| procedure thr_yield; |
| pragma Import (C, thr_yield, "thr_yield"); |
| |
| --------- |
| -- LWP -- |
| --------- |
| |
| P_PID : constant := 0; |
| P_LWPID : constant := 8; |
| |
| PC_GETCID : constant := 0; |
| PC_GETCLINFO : constant := 1; |
| PC_SETPARMS : constant := 2; |
| PC_GETPARMS : constant := 3; |
| PC_ADMIN : constant := 4; |
| |
| PC_CLNULL : constant := -1; |
| |
| RT_NOCHANGE : constant := -1; |
| RT_TQINF : constant := -2; |
| RT_TQDEF : constant := -3; |
| |
| PC_CLNMSZ : constant := 16; |
| |
| PC_VERSION : constant := 1; |
| |
| type lwpid_t is new int; |
| |
| type pri_t is new short; |
| |
| type id_t is new long; |
| |
| P_MYID : constant := -1; |
| -- The specified LWP or process is the current one |
| |
| type struct_pcinfo is record |
| pc_cid : id_t; |
| pc_clname : String (1 .. PC_CLNMSZ); |
| rt_maxpri : short; |
| end record; |
| pragma Convention (C, struct_pcinfo); |
| |
| type struct_pcparms is record |
| pc_cid : id_t; |
| rt_pri : pri_t; |
| rt_tqsecs : long; |
| rt_tqnsecs : long; |
| end record; |
| pragma Convention (C, struct_pcparms); |
| |
| function priocntl |
| (ver : int; |
| id_type : int; |
| id : lwpid_t; |
| cmd : int; |
| arg : System.Address) return Interfaces.C.long; |
| pragma Import (C, priocntl, "__priocntl"); |
| |
| function lwp_self return lwpid_t; |
| pragma Import (C, lwp_self, "_lwp_self"); |
| |
| type processorid_t is new int; |
| type processorid_t_ptr is access all processorid_t; |
| |
| -- Constants for function processor_bind |
| |
| PBIND_QUERY : constant processorid_t := -2; |
| -- The processor bindings are not changed |
| |
| PBIND_NONE : constant processorid_t := -1; |
| -- The processor bindings of the specified LWPs are cleared |
| |
| -- Flags for function p_online |
| |
| PR_OFFLINE : constant int := 1; |
| -- Processor is offline, as quiet as possible |
| |
| PR_ONLINE : constant int := 2; |
| -- Processor online |
| |
| PR_STATUS : constant int := 3; |
| -- Value passed to p_online to request status |
| |
| function p_online (processorid : processorid_t; flag : int) return int; |
| pragma Import (C, p_online, "p_online"); |
| |
| function processor_bind |
| (id_type : int; |
| id : id_t; |
| proc_id : processorid_t; |
| obind : processorid_t_ptr) return int; |
| pragma Import (C, processor_bind, "processor_bind"); |
| |
| type psetid_t is new int; |
| |
| function pset_create (pset : access psetid_t) return int; |
| pragma Import (C, pset_create, "pset_create"); |
| |
| function pset_assign |
| (pset : psetid_t; |
| proc_id : processorid_t; |
| opset : access psetid_t) return int; |
| pragma Import (C, pset_assign, "pset_assign"); |
| |
| function pset_bind |
| (pset : psetid_t; |
| id_type : int; |
| id : id_t; |
| opset : access psetid_t) return int; |
| pragma Import (C, pset_bind, "pset_bind"); |
| |
| procedure pthread_init; |
| -- Dummy procedure to share s-intman.adb with other Solaris targets |
| |
| private |
| |
| type array_type_1 is array (0 .. 3) of unsigned_long; |
| type sigset_t is record |
| X_X_sigbits : array_type_1; |
| end record; |
| pragma Convention (C, sigset_t); |
| |
| type pid_t is new long; |
| |
| type time_t is range -2 ** (System.Parameters.time_t_bits - 1) |
| .. 2 ** (System.Parameters.time_t_bits - 1) - 1; |
| |
| type timespec is record |
| tv_sec : time_t; |
| tv_nsec : long; |
| end record; |
| pragma Convention (C, timespec); |
| |
| type array_type_9 is array (0 .. 3) of unsigned_char; |
| type record_type_3 is record |
| flag : array_type_9; |
| Xtype : unsigned_long; |
| end record; |
| pragma Convention (C, record_type_3); |
| |
| type upad64_t is new Interfaces.Unsigned_64; |
| |
| type mutex_t is record |
| flags : record_type_3; |
| lock : upad64_t; |
| data : upad64_t; |
| end record; |
| pragma Convention (C, mutex_t); |
| |
| type cond_t is record |
| flags : record_type_3; |
| data : upad64_t; |
| end record; |
| pragma Convention (C, cond_t); |
| |
| type thread_key_t is new unsigned; |
| |
| end System.OS_Interface; |
