1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- 4-- -- 5-- S Y S T E M . T R A C E S -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 2001-2014, Free Software Foundation, Inc. -- 10-- -- 11-- GNARL 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 implements functions for traces when tasking is not involved 33 34-- Warning : NO dependencies to tasking should be created here 35 36-- This package and all its children are used to implement debug information 37 38-- A new primitive, Send_Trace_Info (Id : Trace_T; 'data') is introduced. 39-- Trace_T is an event identifier, 'data' are the information to pass 40-- with the event. This procedure is used from within the Runtime to send 41-- debug information. 42 43-- This primitive is overloaded in System.Traces.Tasking and this package 44 45-- Send_Trace_Info calls Send_Trace, in System.Traces.Send, which is target 46-- dependent, to send the debug information to a debugger, stream .. 47 48-- To add a new event, just add them to the Trace_T type, and write the 49-- corresponding Send_Trace_Info procedure. It may be required for some 50-- target to modify Send_Trace (e.g. VxWorks). 51 52-- To add a new target, just adapt System.Traces.Send as needed 53 54package System.Traces is 55 pragma Preelaborate; 56 57 type Trace_T is 58 ( 59 -- Events handled 60 61 -- Messages 62 63 M_Accept_Complete, 64 M_Select_Else, 65 M_RDV_Complete, 66 M_Call_Complete, 67 M_Delay, 68 69 -- Errors 70 71 E_Missed, 72 E_Timeout, 73 E_Kill, 74 75 -- Waiting events 76 77 W_Call, 78 W_Accept, 79 W_Select, 80 W_Completion, 81 W_Delay, 82 WU_Delay, 83 84 WT_Call, 85 WT_Select, 86 WT_Completion, 87 88 -- Protected objects events 89 90 PO_Call, 91 POT_Call, 92 PO_Run, 93 PO_Lock, 94 PO_Unlock, 95 PO_Done, 96 97 -- Task handling events 98 99 T_Create, 100 T_Activate, 101 T_Abort, 102 T_Terminate); 103 104 -- Send_Trace_Info procedures 105 106 -- They are overloaded, depending on the parameters passed with 107 -- the event, e.g. Time information, Task name, Accept name ... 108 109 procedure Send_Trace_Info (Id : Trace_T); 110 111 procedure Send_Trace_Info (Id : Trace_T; Timeout : Duration); 112 113end System.Traces; 114