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1 //=========================================================================== |
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2 // |
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3 // abort.cxx |
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4 // |
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5 // Implementation of the abort() function |
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6 // |
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7 //=========================================================================== |
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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 Cygnus 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 "AS IS" |
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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 Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //=========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): jlarmour |
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33 // Contributors: jlarmour |
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34 // Date: 1999-02-18 |
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35 // Purpose: Implement the ISO C abort() function from 7.10.4.1 |
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36 // Description: This implements abort() simply by raising SIGABRT as |
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37 // required by ISO C |
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38 // Usage: |
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39 // |
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40 //####DESCRIPTIONEND#### |
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41 // |
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42 //=========================================================================== |
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43 |
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44 // CONFIGURATION |
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45 |
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46 #include <pkgconf/libc.h> // Configuration header |
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47 |
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48 // INCLUDES |
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49 |
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50 #include <cyg/infra/cyg_type.h> // Common type definitions and support |
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51 #include <cyg/infra/cyg_trac.h> // Tracing support |
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52 |
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53 #include <stdlib.h> // Header for all stdlib functions |
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54 // (like this one) |
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55 #ifdef CYGPKG_LIBC_SIGNALS |
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56 # include <signal.h> |
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57 #endif |
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58 |
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59 // FUNCTIONS |
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60 |
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61 externC void |
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62 __abort( void ) |
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63 { |
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64 CYG_REPORT_FUNCNAME( "__abort" ); |
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65 |
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66 #ifdef CYGPKG_LIBC_SIGNALS |
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67 int rc; |
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68 |
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69 rc = raise(SIGABRT); |
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70 |
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71 CYG_TRACE1(1, "raise(SIGABRT) returned!!! rc=%d", rc); |
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72 |
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73 CYG_FAIL("raise(SIGABRT) returned"); |
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74 |
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75 #endif |
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76 |
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77 // ISO C clearly says that abort() cannot return to its caller |
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78 |
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79 // loop forever |
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80 for (;;) |
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81 CYG_EMPTY_STATEMENT; |
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82 |
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83 CYG_REPORT_RETURN(); |
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84 } // abort() |
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85 |
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86 // EXPORTED SYMBOLS |
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87 |
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88 externC void abort(void) CYGBLD_ATTRIB_WEAK_ALIAS(__abort); |
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89 |
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90 // EOF abort.cxx |
