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comparison packages/language/c/libc/current/src/time/settime.cxx @ 2:443894e2e912 ecos-v1_2_1-release

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Block commit of eCos version 1.2.1
author jlarmour
date Tue, 11 May 1999 12:24:34 +0000
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children c38311975d4f
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1:72f549f0d891 2:443894e2e912
1 //========================================================================
2 //
3 // settime.cxx
4 //
5 // Date and time support function to set time
6 //
7 //========================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Cygnus eCos Public License
12 // Version 1.0 (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://sourceware.cygnus.com/ecos
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 Cygnus Operating System, released
22 // September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Cygnus. Portions created
25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
26 // -------------------------------------------
27 //
28 //####COPYRIGHTEND####
29 //========================================================================
30 //#####DESCRIPTIONBEGIN####
31 //
32 // Author(s): jlarmour
33 // Contributors: jlarmour
34 // Date: 1999-02-26
35 // Purpose: Provide support function to set the time
36 // Description: The wallclock device is used to store the time in UTC
37 // Usage:
38 //
39 //####DESCRIPTIONEND####
40 //
41 //========================================================================
42
43 // CONFIGURATION
44
45 #include <pkgconf/libc.h> // C library configuration
46
47 // INCLUDES
48
49 #include <cyg/infra/cyg_type.h> // Common type definitions and support
50 #include <time.h> // Main date and time definitions
51 #include <cyg/infra/cyg_ass.h> // Assertion infrastructure
52 #include <cyg/infra/cyg_trac.h> // Tracing infrastructure
53 #ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
54 # include <cyg/devs/wallclock.hxx> // Wallclock class definitions
55 #endif
56
57 // FUNCTIONS
58
59 /////////////////////////////
60 // cyg_libc_time_settime() //
61 /////////////////////////////
62 //
63 // This function sets the current time for the system. The time is
64 // specified as a time_t in UTC. It returns non-zero on error.
65 //
66
67 externC cyg_bool
68 cyg_libc_time_settime( time_t utctime )
69 {
70 CYG_REPORT_FUNCNAMETYPE("cyg_libc_time_settime", "returning status %d");
71 CYG_REPORT_FUNCARG1DV(utctime);
72
73 #ifdef CYGSEM_LIBC_TIME_SETTIME_WORKING
74
75 Cyg_WallClock::wallclock->set_current_time((cyg_uint32) utctime);
76
77 CYG_REPORT_RETVAL(false);
78 return false;
79 #else
80 CYG_REPORT_RETVAL(true);
81 return true;
82 #endif
83
84 } // cyg_libc_time_settime()
85
86 // EOF settime.cxx