Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-thread.ads @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
comparison
equal
deleted
inserted
replaced
| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 ------------------------------------------------------------------------------ | |
| 2 -- -- | |
| 3 -- GNAT COMPILER COMPONENTS -- | |
| 4 -- -- | |
| 5 -- S Y S T E M . T H R E A D S -- | |
| 6 -- -- | |
| 7 -- S p e c -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1992-2017, Free Software Foundation, Inc. -- | |
| 10 -- -- | |
| 11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 16 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 17 -- -- | |
| 18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 -- -- | |
| 22 -- You should have received a copy of the GNU General Public License and -- | |
| 23 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 -- <http://www.gnu.org/licenses/>. -- | |
| 26 -- -- | |
| 27 -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 29 -- -- | |
| 30 ------------------------------------------------------------------------------ | |
| 31 | |
| 32 -- This package provides facilities to register a thread to the runtime, | |
| 33 -- and allocate its task specific datas. | |
| 34 | |
| 35 -- This package is currently implemented for: | |
| 36 | |
| 37 -- VxWorks AE653 rts-cert | |
| 38 -- VxWorks AE653 rts-full (not rts-kernel) | |
| 39 | |
| 40 with Ada.Exceptions; | |
| 41 with Ada.Unchecked_Conversion; | |
| 42 | |
| 43 with Interfaces.C; | |
| 44 | |
| 45 with System.Secondary_Stack; | |
| 46 with System.Soft_Links; | |
| 47 | |
| 48 package System.Threads is | |
| 49 | |
| 50 package SST renames System.Secondary_Stack; | |
| 51 | |
| 52 type ATSD is limited private; | |
| 53 -- Type of the Ada thread specific data. It contains datas needed | |
| 54 -- by the GNAT runtime. | |
| 55 | |
| 56 type ATSD_Access is access ATSD; | |
| 57 function From_Address is | |
| 58 new Ada.Unchecked_Conversion (Address, ATSD_Access); | |
| 59 | |
| 60 subtype STATUS is Interfaces.C.int; | |
| 61 -- Equivalent of the C type STATUS | |
| 62 | |
| 63 type t_id is new Interfaces.C.long; | |
| 64 subtype Thread_Id is t_id; | |
| 65 | |
| 66 function Register (T : Thread_Id) return STATUS; | |
| 67 -- Create the task specific data necessary for Ada language support | |
| 68 | |
| 69 -------------------------- | |
| 70 -- Thread Body Handling -- | |
| 71 -------------------------- | |
| 72 | |
| 73 -- The subprograms in this section are called from the process body | |
| 74 -- wrapper in the APEX process registration package. | |
| 75 | |
| 76 procedure Thread_Body_Enter | |
| 77 (Sec_Stack_Ptr : SST.SS_Stack_Ptr; | |
| 78 Process_ATSD_Address : System.Address); | |
| 79 -- Enter thread body, see above for details | |
| 80 | |
| 81 procedure Thread_Body_Leave; | |
| 82 -- Leave thread body (normally), see above for details | |
| 83 | |
| 84 procedure Thread_Body_Exceptional_Exit | |
| 85 (EO : Ada.Exceptions.Exception_Occurrence); | |
| 86 -- Leave thread body (abnormally on exception), see above for details | |
| 87 | |
| 88 private | |
| 89 | |
| 90 type ATSD is new System.Soft_Links.TSD; | |
| 91 | |
| 92 end System.Threads; |