diff packages/isoinfra/current/include/time.h @ 115:6ed91473a1cd ecos-sw-2000-08-21

Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents
children 4c750ce71ae3
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+#ifndef CYGONCE_ISO_TIME_H
+#define CYGONCE_ISO_TIME_H
+/*========================================================================
+//
+//      time.h
+//
+//      ISO time functions
+//
+//========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour
+// Contributors:  
+// Date:          2000-04-14
+// Purpose:       This file provides the time macros, types and functions
+//                required by ISO C and POSIX 1003.1.
+// Description:   The real contents of this file get set from the
+//                configuration (set by the implementation)
+// Usage:         #include <time.h>
+//
+//####DESCRIPTIONEND####
+//
+//======================================================================
+*/
+
+/* CONFIGURATION */
+
+#include <pkgconf/isoinfra.h>          /* Configuration header */
+
+/* INCLUDES */
+
+/* This is the "standard" way to get NULL and size_t from stddef.h,
+ * which is the canonical location of the definitions.
+ */
+#define __need_NULL
+#define __need_size_t
+#include <stddef.h>
+
+#ifdef CYGBLD_ISO_TIME_T_HEADER
+# include CYGBLD_ISO_TIME_T_HEADER
+#else
+
+/* Define time_t as per ISO C para 7.12.1
+ * It is conventionally given the meaning of seconds since the
+ * Epoch (00:00:00 GMT, 1970-01-01), but don't rely on this - always use
+ * the type opaquely
+ */
+typedef int time_t;
+# define __time_t_defined
+
+#endif
+
+#ifdef CYGBLD_ISO_CLOCK_T_HEADER
+# include CYGBLD_ISO_CLOCK_T_HEADER
+#else
+
+/* What to divide clock_t by to get seconds (para 7.12.1)
+ * According to SUS3, CLOCKS_PER_SEC must be 1 million on all
+ * XSI-conformant systems.
+ */
+#  define CLOCKS_PER_SEC 1000000
+
+/* Define clock_t as per ISO C para 7.12.1 */
+
+typedef long clock_t;
+#  define __clock_t_defined
+#endif
+
+#ifdef CYGBLD_ISO_STRUCTTIMEVAL_HEADER
+# include CYGBLD_ISO_STRUCTTIMEVAL_HEADER
+#else
+# ifndef _POSIX_SOURCE
+
+/*
+ * Structure returned by gettimeofday(2),
+ * and used in other calls such as select(2).
+ */
+struct timeval {
+	long	tv_sec;		/* seconds */
+	long	tv_usec;	/* and microseconds */
+};
+
+# endif /* _POSIX_SOURCE */
+#endif
+
+
+#if CYGINT_ISO_POSIX_TIMER_TYPES
+# include CYGBLD_ISO_POSIX_TIMER_TYPES_HEADER
+#endif
+
+#if CYGINT_ISO_C_TIME_TYPES
+# include CYGBLD_ISO_C_TIME_TYPES_HEADER
+#endif
+
+#if CYGINT_ISO_POSIX_TIMERS
+# include CYGBLD_ISO_POSIX_TIMERS_HEADER
+#endif
+
+#if CYGINT_ISO_C_CLOCK_FUNCS
+# include CYGBLD_ISO_C_CLOCK_FUNCS_HEADER
+#endif
+
+#if CYGINT_ISO_TZSET
+# include CYGBLD_ISO_TZSET_HEADER
+#endif
+
+#endif /* CYGONCE_ISO_TIME_H multiple inclusion protection */
+
+/* EOF time.h */