5vosinte.adb   [plain text]


------------------------------------------------------------------------------
--                                                                          --
--                GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS               --
--                                                                          --
--                   S Y S T E M . O S _ I N T E R F A C E                  --
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--                                  B o d y                                 --
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--                                                                          --
--             Copyright (C) 1991-2000 Florida State University             --
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------------------------------------------------------------------------------

--  This is a OpenVMS/Alpha version of this package.

--  This package encapsulates all direct interfaces to OS services
--  that are needed by children of System.

pragma Polling (Off);
--  Turn off polling, we do not want ATC polling to take place during
--  tasking operations. It causes infinite loops and other problems.

with Interfaces.C; use Interfaces.C;
package body System.OS_Interface is

   function sched_yield return int is
      procedure sched_yield_base;
      pragma Import (C, sched_yield_base, "PTHREAD_YIELD_NP");
   begin
      sched_yield_base;
      return 0;
   end sched_yield;

end System.OS_Interface;