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with Interfaces;
with Interfaces.C;
with Interfaces.C.Strings;
with Unchecked_Conversion;
package System.OS_Interface is
pragma Preelaborate;
pragma Linker_Options ("-lathread");
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;
subtype chars_ptr is Interfaces.C.Strings.chars_ptr;
function errno return int;
pragma Import (C, errno, "__get_errno");
EINTR : constant := 4; EAGAIN : constant := 11; ENOMEM : constant := 12; EINVAL : constant := 22; ETIMEDOUT : constant := 145;
Max_Interrupt : constant := 64;
type Signal is new int range 0 .. Max_Interrupt;
for Signal'Size use int'Size;
SIGHUP : constant := 1; SIGINT : constant := 2; SIGQUIT : constant := 3; SIGILL : constant := 4; SIGTRAP : constant := 5; SIGIOT : constant := 6; SIGABRT : constant := 6; SIGEMT : constant := 7; SIGFPE : constant := 8; SIGKILL : constant := 9; SIGBUS : constant := 10; SIGSEGV : constant := 11; SIGSYS : constant := 12; SIGPIPE : constant := 13; SIGALRM : constant := 14; SIGTERM : constant := 15; SIGUSR1 : constant := 16; SIGUSR2 : constant := 17; SIGCLD : constant := 18; SIGCHLD : constant := 18; SIGPWR : constant := 19; SIGWINCH : constant := 20; SIGURG : constant := 21; SIGPOLL : constant := 22; SIGIO : constant := 22; SIGSTOP : constant := 23; SIGTSTP : constant := 24; SIGCONT : constant := 25; SIGTTIN : constant := 26; SIGTTOU : constant := 27; SIGVTALRM : constant := 28; SIGPROF : constant := 29; SIGXCPU : constant := 30; SIGXFSZ : constant := 31; SIGK32 : constant := 32; SIGCKPT : constant := 33; SIGRESTART : constant := 34; SIGUME : constant := 35; SIGPTINTR : constant := 47;
SIGPTRESCHED : constant := 48;
SIGRTMIN : constant := 49; SIGRTMAX : constant := 64;
type sigset_t is private;
type sigset_t_ptr is access all sigset_t;
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 siginfo_t is record
si_signo : int;
si_code : int;
si_errno : int;
bit_field_substitute_1 : String (1 .. 116);
end record;
pragma Convention (C, siginfo_t);
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 := null) return int;
pragma Import (C, sigaction, "sigaction");
type time_t is new int;
type timespec is record
tv_sec : time_t;
tv_nsec : long;
end record;
pragma Convention (C, timespec);
type timespec_ptr is access all timespec;
function To_Duration (TS : timespec) return Duration;
pragma Inline (To_Duration);
function To_Timespec (D : Duration) return timespec;
pragma Inline (To_Timespec);
type timer_t is new Integer;
type clockid_t is private;
CLOCK_REALTIME : constant clockid_t;
CLOCK_SGI_FAST : constant clockid_t;
CLOCK_SGI_CYCLE : constant clockid_t;
SGI_CYCLECNTR_SIZE : constant := 165;
function syssgi (request : Interfaces.C.int) return Interfaces.C.ptrdiff_t;
pragma Import (C, syssgi, "syssgi");
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; tp : access timespec) return int;
pragma Import (C, clock_getres, "clock_getres");
type struct_timeval is record
tv_sec : time_t;
tv_usec : time_t;
end record;
pragma Convention (C, struct_timeval);
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");
SCHED_FIFO : constant := 0;
SCHED_RR : constant := 0;
SCHED_OTHER : constant := 0;
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");
procedure pthread_init;
pragma Inline (pthread_init);
type Thread_Body is access
function (arg : System.Address) return System.Address;
function Thread_Body_Access is new
Unchecked_Conversion (System.Address, Thread_Body);
type pthread_t is private; subtype Thread_Id is pthread_t;
type pthread_mutex_t is private; type pthread_cond_t is private; type pthread_attr_t is private; type pthread_mutexattr_t is private; type pthread_condattr_t is private; type sem_t is private; type pthread_key_t is private;
subtype pthread_once_t is int; subtype resource_t is long; type start_addr is access function (arg : Address) return Address;
type sproc_start_addr is access function (arg : Address) return int;
type callout_addr is
access function (arg : Address; arg1 : Address) return Address;
subtype sproc_t is Address; subtype sproc_attr_t is Address;
subtype spcb_p is Address;
subtype ptcb_p is Address;
FUNC_OK : constant := 0;
FUNC_ERR : constant := -1;
type pthread_init_struct is record
conf_initsize : int; max_sproc_count : int; sproc_stack_size : size_t; os_default_priority : int; os_sched_signal : int; guard_pages : int; init_sproc_count : int; end record;
function pthread_attr_init (attr : access pthread_attr_t) return int;
pragma Import (C, pthread_attr_init, "pthread_attr_init");
function pthread_attr_destroy (attr : access pthread_attr_t) return int;
pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
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_attr_setdetachstate
(attr : access pthread_attr_t; detachstate : int) return int;
pragma Import (C, pthread_attr_setdetachstate);
function pthread_attr_setname
(attr : access pthread_attr_t; name : chars_ptr) return int;
pragma Import (C, pthread_attr_setname, "pthread_attr_setname");
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_setinheritsched
(attr : access pthread_attr_t; inherit : int) return int;
pragma Import
(C, pthread_attr_setinheritsched, "pthread_attr_setinheritsched");
function pthread_attr_setsched
(attr : access pthread_attr_t; scheduler : int) return int;
pragma Import (C, pthread_attr_setsched, "pthread_attr_setsched");
function pthread_attr_setprio
(attr : access pthread_attr_t; priority : int) return int;
pragma Import (C, pthread_attr_setprio, "pthread_attr_setprio");
PTHREAD_BOUND : constant := 1;
PTHREAD_NOT_BOUND : constant := 0;
function pthread_attr_setresources
(attr : access pthread_attr_t; resources : resource_t) return int;
pragma Import (C, pthread_attr_setresources, "pthread_attr_setresources");
function pthread_attr_set_boundtosproc
(attr : access pthread_attr_t; bound_to_sproc : int) return int;
pragma Import
(C, pthread_attr_set_boundtosproc, "pthread_attr_set_boundtosproc");
function pthread_attr_set_bsproc
(attr : access pthread_attr_t; bsproc : spcb_p) return int;
pragma Import (C, pthread_attr_set_bsproc, "pthread_attr_set_bsproc");
function pthread_attr_set_tslice
(attr : access pthread_attr_t;
ts_interval : access struct_timeval) return int;
pragma Import (C, pthread_attr_set_tslice, "pthread_attr_set_tslice");
function pthread_create
(thread : access pthread_t;
attr : access pthread_attr_t;
start_routine : start_addr;
arg : Address) return int;
pragma Import (C, pthread_create, "pthread_create");
procedure pthread_exit (status : Address);
pragma Import (C, pthread_exit, "pthread_exit");
procedure pthread_yield (arg : Address := System.Null_Address);
pragma Import (C, pthread_yield, "pthread_yield");
function pthread_self return pthread_t;
pragma Import (C, pthread_self, "pthread_self");
function pthread_kill (thread : pthread_t; sig : int) return int;
pragma Import (C, pthread_kill, "pthread_kill");
function pthread_setprio (thread : pthread_t; priority : int) return int;
pragma Import (C, pthread_setprio, "pthread_setprio");
function pthread_suspend (thread : pthread_t) return int;
pragma Import (C, pthread_suspend, "pthread_suspend");
function pthread_resume (thread : pthread_t) return int;
pragma Import (C, pthread_resume, "pthread_resume");
function pthread_get_current_ada_tcb return Address;
pragma Import (C, pthread_get_current_ada_tcb);
function pthread_set_ada_tcb
(thread : pthread_t; data : Address) return int;
pragma Import (C, pthread_set_ada_tcb, "pthread_set_ada_tcb");
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_mutexattr_setqueueorder
(attr : access pthread_mutexattr_t; order : int) return int;
pragma Import (C, pthread_mutexattr_setqueueorder);
function pthread_mutexattr_setceilingprio
(attr : access pthread_mutexattr_t; priority : int) return int;
pragma Import (C, pthread_mutexattr_setceilingprio);
MUTEX_PRIORITY : constant := 0; MUTEX_FIFO : constant := 1; MUTEX_PRIORITY_INHERIT : constant := 2; MUTEX_PRIORITY_CEILING : constant := 3;
MUTEX_NO_DEBUG : constant := 0; MUTEX_DEBUG : constant := 1;
MUTEX_NO_SPIN : constant := 0; MUTEX_SPIN_ONLY : constant := -1;
MUTEX_SHARED : constant := 0; MUTEX_NOTSHARED : constant := 1;
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");
COND_PRIORITY : constant := 0; COND_FIFO : constant := 1;
COND_NO_DEBUG : constant := 0; COND_DEBUG : constant := 1;
COND_SHARED : constant := 0; COND_NOTSHARED : constant := 1;
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 struct_timeval) return int;
pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
type foo_h_proc_1 is access procedure (value : Address);
function pthread_key_create
(key : access pthread_key_t; destructor : foo_h_proc_1) return int;
pragma Import (C, pthread_key_create, "pthread_key_create");
function pthread_setspecific
(key : pthread_key_t; value : Address) return int;
pragma Import (C, pthread_setspecific, "pthread_setspecific");
function pthread_getspecific
(key : pthread_key_t; value : access Address) return int;
pragma Import (C, pthread_getspecific, "pthread_getspecific");
type foo_h_proc_2 is access procedure;
function pthread_exec_begin (init : access pthread_init_struct) return int;
pragma Import (C, pthread_exec_begin, "pthread_exec_begin");
function sproc_create
(sproc_id : access sproc_t;
attr : access sproc_attr_t;
start_routine : sproc_start_addr;
arg : Address) return int;
pragma Import (C, sproc_create, "sproc_create");
function sproc_self return sproc_t;
pragma Import (C, sproc_self, "sproc_self");
function sproc_attr_init (attr : access sproc_attr_t) return int;
pragma Import (C, sproc_attr_init, "sproc_attr_init");
function sproc_attr_destroy (attr : access sproc_attr_t) return int;
pragma Import (C, sproc_attr_destroy, "sproc_attr_destroy");
function sproc_attr_setresources
(attr : access sproc_attr_t; resources : resource_t) return int;
pragma Import (C, sproc_attr_setresources, "sproc_attr_setresources");
function sproc_attr_getresources
(attr : access sproc_attr_t;
resources : access resource_t) return int;
pragma Import (C, sproc_attr_getresources, "sproc_attr_getresources");
function sproc_attr_setcpu
(attr : access sproc_attr_t; cpu_num : int) return int;
pragma Import (C, sproc_attr_setcpu, "sproc_attr_setcpu");
function sproc_attr_getcpu
(attr : access sproc_attr_t; cpu_num : access int) return int;
pragma Import (C, sproc_attr_getcpu, "sproc_attr_getcpu");
function sproc_attr_setresident
(attr : access sproc_attr_t; resident : int) return int;
pragma Import (C, sproc_attr_setresident, "sproc_attr_setresident");
function sproc_attr_getresident
(attr : access sproc_attr_t; resident : access int) return int;
pragma Import (C, sproc_attr_getresident, "sproc_attr_getresident");
function sproc_attr_setname
(attr : access sproc_attr_t; name : chars_ptr) return int;
pragma Import (C, sproc_attr_setname, "sproc_attr_setname");
function sproc_attr_getname
(attr : access sproc_attr_t; name : chars_ptr) return int;
pragma Import (C, sproc_attr_getname, "sproc_attr_getname");
function sproc_attr_setstacksize
(attr : access sproc_attr_t; stacksize : size_t) return int;
pragma Import (C, sproc_attr_setstacksize, "sproc_attr_setstacksize");
function sproc_attr_getstacksize
(attr : access sproc_attr_t; stacksize : access size_t) return int;
pragma Import (C, sproc_attr_getstacksize, "sproc_attr_getstacksize");
function sproc_attr_setprio
(attr : access sproc_attr_t; priority : int) return int;
pragma Import (C, sproc_attr_setprio, "sproc_attr_setprio");
function sproc_attr_getprio
(attr : access sproc_attr_t; priority : access int) return int;
pragma Import (C, sproc_attr_getprio, "sproc_attr_getprio");
function sproc_attr_setbthread
(attr : access sproc_attr_t; bthread : ptcb_p) return int;
pragma Import (C, sproc_attr_setbthread, "sproc_attr_setbthread");
function sproc_attr_getbthread
(attr : access sproc_attr_t; bthread : access ptcb_p) return int;
pragma Import (C, sproc_attr_getbthread, "sproc_attr_getbthread");
SPROC_NO_RESOURCES : constant := 0;
SPROC_ANY_CPU : constant := -1;
SPROC_MY_PRIORITY : constant := -1;
SPROC_SWAPPED : constant := 0;
SPROC_RESIDENT : constant := 1;
type isr_address is access procedure;
function intr_attach (sig : int; isr : isr_address) return int;
pragma Import (C, intr_attach, "intr_attach");
Intr_Attach_Reset : constant Boolean := False;
function intr_exchange
(sig : int;
isr : isr_address;
oisr : access isr_address) return int;
pragma Import (C, intr_exchange, "intr_exchange");
function intr_current_isr
(sig : int;
oisr : access isr_address)
return int;
pragma Import (C, intr_current_isr, "intr_current_isr");
private
type clockid_t is new int;
CLOCK_REALTIME : constant clockid_t := 1;
CLOCK_SGI_CYCLE : constant clockid_t := 2;
CLOCK_SGI_FAST : constant clockid_t := 3;
type pthread_t is new Address; type pthread_mutex_t is new Address; type pthread_cond_t is new Address; type pthread_attr_t is new Address; type pthread_mutexattr_t is new Address; type pthread_condattr_t is new Address; type sem_t is new Address; type pthread_key_t is new Address;
type sigbits_t is array (Integer range 0 .. 3) of unsigned;
type sigset_t is record
sigbits : sigbits_t;
end record;
pragma Convention (C, sigset_t);
type pid_t is new long;
end System.OS_Interface;