1 //========================================================================
5 // ISO C date and time implementation for time()
7 //========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
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30 // License. However the source code for this file must still be made available
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37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): jlarmour
44 // Contributors: jlarmour
46 // Purpose: Provide implementation of ISO C time() as defined in
47 // ISO C section 7.12.2.4
48 // Description: This file provides an implementation of time() using
49 // the "wallclock" device
52 //####DESCRIPTIONEND####
54 //========================================================================
58 #include <pkgconf/libc_time.h> // C library configuration
62 #include <cyg/infra/cyg_type.h> // Common type definitions and support
63 #include <cyg/infra/cyg_ass.h> // Assertion infrastructure
64 #include <cyg/infra/cyg_trac.h> // Tracing infrastructure
65 #include <time.h> // Main date and time definitions
67 #ifdef CYGSEM_LIBC_TIME_TIME_WORKING
68 # include <cyg/io/wallclock.hxx> // Wallclock class definitions
76 CYG_REPORT_FUNCNAMETYPE("time", "returning %d");
77 if (timer) // its allowed to be NULL
78 CYG_CHECK_DATA_PTR( timer, "timer is not a valid pointer!");
79 CYG_REPORT_FUNCARG1("timer = %08x", timer);
81 #ifdef CYGSEM_LIBC_TIME_TIME_WORKING
84 ret = (time_t) Cyg_WallClock::wallclock->get_current_time();
89 CYG_REPORT_RETVAL(ret);
93 #else // i.e. ifndef CYGSEM_LIBC_TIME_TIME_WORKING
97 CYG_REPORT_RETVAL(-1);