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comparison packages/language/c/libc/startup/current/src/_exit.cxx @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children e0c0827131d1
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114:5ad2b71d525e 115:6ed91473a1cd
1 //========================================================================
2 //
3 // _exit.cxx
4 //
5 // _exit() as from POSIX 1003.1 section 3.2.2 "Terminate a process"
6 //
7 //========================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Red Hat eCos Public License
12 // Version 1.1 (the "License"); you may not use this file except in
13 // compliance with the License. You may obtain a copy of the License at
14 // http://www.redhat.com/
15 //
16 // Software distributed under the License is distributed on an "AS IS"
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
18 // License for the specific language governing rights and limitations under
19 // the License.
20 //
21 // The Original Code is eCos - Embedded Configurable Operating System,
22 // released September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Red Hat.
25 // Portions created by Red Hat are
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
27 // All Rights Reserved.
28 // -------------------------------------------
29 //
30 //####COPYRIGHTEND####
31 //========================================================================
32 //#####DESCRIPTIONBEGIN####
33 //
34 // Author(s): jlarmour
35 // Contributors:
36 // Date: 2000-04-28
37 // Purpose: Provides POSIX 1003.1 _exit() function
38 // Description:
39 // Usage:
40 //
41 //####DESCRIPTIONEND####
42 //
43 //========================================================================
44
45 // CONFIGURATION
46
47 #include <pkgconf/libc_startup.h> // Configuration header
48 #include <pkgconf/system.h>
49
50 // INCLUDES
51
52 #include <cyg/infra/cyg_type.h> // Common type definitions and support
53 #include <cyg/infra/cyg_trac.h> // Common tracing support
54 #include <cyg/infra/cyg_ass.h> // Common assertion support
55 #include <stdlib.h> // Header for all stdlib functions
56 // (like this one)
57 #ifdef CYGPKG_KERNEL
58 # include <pkgconf/kernel.h> // kernel configuration
59 # include <cyg/kernel/thread.hxx> // eCos kernel for thread termination
60 # include <cyg/kernel/thread.inl> // and
61 # include <cyg/kernel/sched.hxx> // for stopping the scheduler
62 # include <cyg/kernel/sched.inl>
63 #endif
64
65
66 // FUNCTIONS
67
68 externC void
69 _exit( int status )
70 {
71 CYG_REPORT_FUNCTION(); // shouldn't return, but CYG_FAIL will catch it
72 CYG_REPORT_FUNCARG1DV( status );
73
74 #ifdef CYGPKG_KERNEL
75
76 # ifdef CYGSEM_LIBC_EXIT_STOPS_SYSTEM
77
78 Cyg_Scheduler::lock(); // prevent rescheduling
79
80 for (;;)
81 CYG_EMPTY_STATEMENT;
82
83 # else
84
85 Cyg_Thread::exit();
86
87 # endif
88 #endif
89
90 // loop forever
91 for (;;)
92 CYG_EMPTY_STATEMENT;
93
94 CYG_FAIL( "_exit() returning!!!" );
95
96 CYG_REPORT_RETURN();
97 } // _exit()
98
99
100 // EOF _exit.cxx