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annotate packages/language/c/libc/time/current/src/settime.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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1 //========================================================================
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2 //
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3 // settime.cxx
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4 //
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5 // Date and time support function to set time
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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 Red Hat eCos Public License
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12 // Version 1.1 (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://www.redhat.com/
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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 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 //
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30 //####COPYRIGHTEND####
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31 //========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): jlarmour
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35 // Contributors: jlarmour
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36 // Date: 1999-02-26
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37 // Purpose: Provide support function to set the time
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38 // Description: The wallclock device is used to store the time in UTC
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39 // Usage:
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //========================================================================
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44
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45 // CONFIGURATION
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46
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47 #include <pkgconf/libc_time.h> // C library configuration
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48
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49 // INCLUDES
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50
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51 #include <cyg/infra/cyg_type.h> // Common type definitions and support
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52 #include <time.h> // Main date and time definitions
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53 #include <cyg/infra/cyg_ass.h> // Assertion infrastructure
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54 #include <cyg/infra/cyg_trac.h> // Tracing infrastructure
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55 #ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
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56 # include <cyg/io/wallclock.hxx> // Wallclock class definitions
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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 /////////////////////////////
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62 // cyg_libc_time_settime() //
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63 /////////////////////////////
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64 //
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65 // This function sets the current time for the system. The time is
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66 // specified as a time_t in UTC. It returns non-zero on error.
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67 //
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68
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69 externC cyg_bool
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70 cyg_libc_time_settime( time_t utctime )
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71 {
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72 CYG_REPORT_FUNCNAMETYPE("cyg_libc_time_settime", "returning status %d");
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73 CYG_REPORT_FUNCARG1DV(utctime);
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74
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75 #ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
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76
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77 Cyg_WallClock::wallclock->set_current_time((cyg_uint32) utctime);
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78
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79 CYG_REPORT_RETVAL(false);
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80 return false;
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81 #else
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82 CYG_REPORT_RETVAL(true);
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83 return true;
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84 #endif
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85
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86 } // cyg_libc_time_settime()
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87
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88 // EOF settime.cxx