1 #ifndef CYGONCE_ISO_TIME_H
2 #define CYGONCE_ISO_TIME_H
3 /*========================================================================
9 //========================================================================
10 //####ECOSGPLCOPYRIGHTBEGIN####
11 // -------------------------------------------
12 // This file is part of eCos, the Embedded Configurable Operating System.
13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
15 // eCos is free software; you can redistribute it and/or modify it under
16 // the terms of the GNU General Public License as published by the Free
17 // Software Foundation; either version 2 or (at your option) any later version.
19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
24 // You should have received a copy of the GNU General Public License along
25 // with eCos; if not, write to the Free Software Foundation, Inc.,
26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
28 // As a special exception, if other files instantiate templates or use macros
29 // or inline functions from this file, or you compile this file and link it
30 // with other works to produce a work based on this file, this file does not
31 // by itself cause the resulting work to be covered by the GNU General Public
32 // License. However the source code for this file must still be made available
33 // in accordance with section (3) of the GNU General Public License.
35 // This exception does not invalidate any other reasons why a work based on
36 // this file might be covered by the GNU General Public License.
37 // -------------------------------------------
38 //####ECOSGPLCOPYRIGHTEND####
39 //========================================================================
40 //#####DESCRIPTIONBEGIN####
42 // Author(s): jlarmour
45 // Purpose: This file provides the time macros, types and functions
46 // required by ISO C and POSIX 1003.1.
47 // Description: The real contents of this file get set from the
48 // configuration (set by the implementation)
49 // Usage: #include <time.h>
51 //####DESCRIPTIONEND####
53 //======================================================================
58 #include <pkgconf/isoinfra.h> /* Configuration header */
62 /* This is the "standard" way to get NULL and size_t from stddef.h,
63 * which is the canonical location of the definitions.
69 #ifdef CYGBLD_ISO_TIME_T_HEADER
70 # include CYGBLD_ISO_TIME_T_HEADER
73 /* Define time_t as per ISO C para 7.12.1
74 * It is conventionally given the meaning of seconds since the
75 * Epoch (00:00:00 GMT, 1970-01-01), but don't rely on this - always use
79 # define __time_t_defined
83 #ifdef CYGBLD_ISO_CLOCK_T_HEADER
84 # include CYGBLD_ISO_CLOCK_T_HEADER
87 /* What to divide clock_t by to get seconds (para 7.12.1)
88 * According to SUS3, CLOCKS_PER_SEC must be 1 million on all
89 * XSI-conformant systems.
91 # define CLOCKS_PER_SEC 1000000
93 /* Define clock_t as per ISO C para 7.12.1 */
96 # define __clock_t_defined
99 #ifdef CYGINT_ISO_POSIX_CLOCK_TYPES
100 # include CYGBLD_ISO_POSIX_CLOCK_TYPES_HEADER
103 /* Provide a default struct timespec. */
112 #ifdef CYGINT_ISO_POSIX_TIMER_TYPES
113 # include CYGBLD_ISO_POSIX_TIMER_TYPES_HEADER
116 /* Provide a default struct itimerspec. */
119 struct timespec it_interval;
120 struct timespec it_value;
125 #ifdef CYGINT_ISO_C_TIME_TYPES
126 # include CYGBLD_ISO_C_TIME_TYPES_HEADER
129 #ifdef CYGINT_ISO_POSIX_CLOCKS
130 # include CYGBLD_ISO_POSIX_CLOCKS_HEADER
133 #ifdef CYGINT_ISO_POSIX_TIMERS
134 # include CYGBLD_ISO_POSIX_TIMERS_HEADER
137 #ifdef CYGINT_ISO_C_CLOCK_FUNCS
138 # include CYGBLD_ISO_C_CLOCK_FUNCS_HEADER
141 #ifdef CYGINT_ISO_TZSET
142 # include CYGBLD_ISO_TZSET_HEADER
145 #endif /* CYGONCE_ISO_TIME_H multiple inclusion protection */