-- --
------------------------------------------------------------------------------
--- This is the FreeBSD PTHREADS version of this package
+-- This is the FreeBSD (POSIX Threads) version of this package
-- This package encapsulates all direct interfaces to OS services
-- that are needed by the tasking run-time (libgnarl).
type timespec is private;
- function nanosleep (rqtp, rmtp : access timespec) return int;
+ function nanosleep (rqtp, rmtp : access timespec) return int;
pragma Import (C, nanosleep, "nanosleep");
type clockid_t is new int;
-- No alternate signal stack is used on this platform
Stack_Base_Available : constant Boolean := False;
- -- Indicates whether the stack base is available on this target. This
- -- allows us to share s-osinte.adb between all the FSU run time. Note that
- -- this value can only be true if pthread_t has a complete definition that
- -- corresponds exactly to the C header files.
+ -- Indicates whether the stack base is available on this target
function Get_Stack_Base (thread : pthread_t) return Address;
pragma Inline (Get_Stack_Base);
-- --
------------------------------------------------------------------------------
--- This is the GNU/kFreeBSD (GNU/LinuxThreads) version of this package
+-- This is the GNU/kFreeBSD (POSIX Threads) version of this package
-- This package encapsulates all direct interfaces to OS services
-- that are needed by children of System.
-- Time --
----------
+ Time_Slice_Supported : constant Boolean := True;
+ -- Indicates whether time slicing is supported (i.e SCHED_RR is supported)
+
type timespec is private;
+ function nanosleep (rqtp, rmtp : access timespec) return int;
+ pragma Import (C, nanosleep, "nanosleep");
+
+ type clockid_t is private;
+
+ CLOCK_REALTIME : constant clockid_t;
+
+ function clock_gettime
+ (clock_id : clockid_t;
+ tp : access timespec)
+ return int;
+ pragma Import (C, clock_gettime, "clock_gettime");
+
function To_Duration (TS : timespec) return Duration;
pragma Inline (To_Duration);
type pthread_key_t is private;
PTHREAD_CREATE_DETACHED : constant := 1;
+ PTHREAD_CREATE_JOINABLE : constant := 0;
+
+ PTHREAD_SCOPE_PROCESS : constant := 0;
+ PTHREAD_SCOPE_SYSTEM : constant := 2;
-----------
-- Stack --
Alternate_Stack_Size : constant := 0;
-- No alternate signal stack is used on this platform
+ Stack_Base_Available : constant Boolean := False;
+ -- Indicates whether the stack base is available on this target
+
function Get_Stack_Base (thread : pthread_t) return Address;
pragma Inline (Get_Stack_Base);
- -- This is a dummy procedure to share some GNULLI files
+ -- returns the stack base of the specified thread. Only call this function
+ -- when Stack_Base_Available is True.
+
+ function Get_Page_Size return size_t;
+ function Get_Page_Size return Address;
+ pragma Import (C, Get_Page_Size, "getpagesize");
+ -- Returns the size of a page
+
+ PROT_NONE : constant := 0;
+ PROT_READ : constant := 1;
+ PROT_WRITE : constant := 2;
+ PROT_EXEC : constant := 4;
+ PROT_ALL : constant := PROT_READ + PROT_WRITE + PROT_EXEC;
+ PROT_ON : constant := PROT_NONE;
+ PROT_OFF : constant := PROT_ALL;
+
+ function mprotect (addr : Address; len : size_t; prot : int) return int;
+ pragma Import (C, mprotect);
---------------------------------------
-- Nonstandard Thread Initialization --
-- 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; -- scheduling priority
end record;
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;
end record;
pragma Convention (C, timespec);
+ type clockid_t is new int;
+ CLOCK_REALTIME : constant clockid_t := 0;
+
type pthread_attr_t is record
detachstate : int;
schedpolicy : int;
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