Mercurial > ecos
annotate packages/language/c/libc/current/src/stdlib/_exit.cxx @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 443894e2e912 |
| children | bf00f99aec69 |
| rev | line source |
|---|---|
| 0 | 1 //======================================================================== |
| 2 // | |
| 3 // _exit.cxx | |
| 4 // | |
| 5 // _exit() as from POSIX 1003.1 section 3.2.2 "Terminate a process" | |
| 6 // | |
| 7 //======================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Red Hat eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Configurable Operating System, |
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22 // released September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Red Hat. |
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25 // Portions created by Red Hat are |
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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27 // All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
| 0 | 30 //####COPYRIGHTEND#### |
| 31 //======================================================================== | |
| 32 //#####DESCRIPTIONBEGIN#### | |
| 33 // | |
| 2 | 34 // Author(s): jlarmour |
| 35 // Contributors: jlarmour | |
| 36 // Date: 1999-01-21 | |
| 37 // Purpose: Provides POSIX 1003.1 _exit() function | |
| 0 | 38 // Description: |
| 39 // Usage: | |
| 40 // | |
| 41 //####DESCRIPTIONEND#### | |
| 42 // | |
| 43 //======================================================================== | |
| 44 | |
| 45 // CONFIGURATION | |
| 46 | |
| 2 | 47 #include <pkgconf/libc.h> // C library configuration header |
| 0 | 48 |
| 49 // INCLUDES | |
| 50 | |
| 51 #include <cyg/infra/cyg_type.h> // Common type definitions and support | |
| 52 #include <cyg/infra/cyg_trac.h> // Common tracing support | |
| 53 #include <cyg/infra/cyg_ass.h> // Common assertion support | |
| 54 #include <stdlib.h> // Header for all stdlib functions | |
| 55 // (like this one) | |
| 56 #include "clibincl/stdlibsupp.hxx" // Support for stdlib functions | |
| 57 #ifdef CYGPKG_KERNEL | |
| 2 | 58 # include <pkgconf/kernel.h> // kernel configuration |
| 0 | 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 // SYMBOLS | |
| 67 | |
| 68 externC void | |
| 2 | 69 _exit( int ) CYGBLD_ATTRIB_WEAK_ALIAS(__libc__exit) CYGBLD_ATTRIB_NORET; |
| 0 | 70 |
| 71 // FUNCTIONS | |
| 72 | |
| 73 externC void | |
| 74 __libc__exit( int status ) | |
| 75 { | |
| 76 CYG_REPORT_FUNCTION(); // shouldn't return, but CYG_FAIL will catch it | |
| 77 CYG_REPORT_FUNCARG1DV( status ); | |
| 78 | |
| 79 #ifdef CYGPKG_KERNEL | |
| 80 | |
| 81 # ifdef CYGSEM_LIBC_EXIT_STOPS_SYSTEM | |
| 82 | |
| 83 Cyg_Scheduler::lock(); // prevent rescheduling | |
| 84 | |
| 85 for (;;) | |
| 86 CYG_EMPTY_STATEMENT; | |
| 87 | |
| 88 # else | |
| 89 | |
| 90 Cyg_Thread::exit(); | |
| 91 | |
| 92 # endif | |
| 93 #endif | |
| 94 | |
| 95 // loop forever | |
| 96 for (;;) | |
| 97 CYG_EMPTY_STATEMENT; | |
| 98 | |
| 99 CYG_FAIL( "__libc__exit() returning!!!" ); | |
| 100 | |
| 101 CYG_REPORT_RETURN(); | |
| 102 } // _exit() | |
| 103 | |
| 104 | |
| 105 // EOF _exit.cxx |
