| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| stub for gettimeofday(): |
| gettimeofday() is UNIX, not POSIX |
| */ |
| |
| /*-------------------------------------------------------------------*/ |
| /* */ |
| /* gettimeofday */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| /* */ |
| /* #include <time.h> */ |
| /* */ |
| /* int gettimeofday( */ |
| /* struct timeval *tp, */ |
| /* struct timezone *tzp, */ |
| /* ); */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| /* */ |
| /* This function returns seconds and microseconds since midnight */ |
| /* January 1, 1970. The microseconds is actually only accurate to */ |
| /* the millisecond. */ |
| /* */ |
| /* Note: To pick up the definitions of structs timeval and timezone */ |
| /* from the <time.h> include file, the directive */ |
| /* _SOCKET_SOURCE must be used. */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| /* */ |
| /* RETURN VALUE */ |
| /* A 0 return value indicates that the call succeeded. A -1 return */ |
| /* value indicates an error occurred; errno is set to indicate the */ |
| /* error. */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| /* */ |
| /* ERRORS */ |
| /* EFAULT not implemented yet. */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| /* Changes: */ |
| /* 2-91 DR. Created. */ |
| /* */ |
| /*-------------------------------------------------------------------*/ |
| |
| |
| /* need _SOCKET_SOURCE to pick up structs timeval and timezone in time.h */ |
| #ifndef _SOCKET_SOURCE |
| # define _SOCKET_SOURCE |
| #endif |
| |
| #include <time.h> /* structs timeval & timezone, |
| difftime(), localtime(), mktime(), time() */ |
| |
| #pragma intrinsic TIMER |
| |
| |
| |
| int |
| gettimeofday(struct timeval *tp, struct timezone *tpz) |
| { |
| static unsigned long basetime = 0; |
| static int dsttime = 0; |
| static int minuteswest = 0; |
| static int oldtime = 0; |
| register int newtime; |
| int TIMER(); |
| |
| |
| /*-------------------------------------------------------------------*/ |
| /* Setup a base from which all future time will be computed. */ |
| /*-------------------------------------------------------------------*/ |
| if ( basetime == 0 ) |
| { |
| time_t gmt_time; |
| time_t loc_time; |
| struct tm *loc_time_tm; |
| |
| gmt_time = time( NULL ); |
| loc_time_tm = localtime( &gmt_time ) ; |
| loc_time = mktime( loc_time_tm ); |
| |
| oldtime = TIMER(); |
| basetime = (unsigned long) ( loc_time - (oldtime/1000) ); |
| |
| /*----------------------------------------------------------------*/ |
| /* The calling process must be restarted if timezone or dst */ |
| /* changes. */ |
| /*----------------------------------------------------------------*/ |
| minuteswest = (int) (difftime( loc_time, gmt_time ) / 60); |
| dsttime = loc_time_tm->tm_isdst; |
| } |
| |
| /*-------------------------------------------------------------------*/ |
| /* Get the new time value. The timer value rolls over every 24 days, */ |
| /* so if the delta is negative, the basetime value is adjusted. */ |
| /*-------------------------------------------------------------------*/ |
| newtime = TIMER(); |
| if ( newtime < oldtime ) basetime += 2073600; |
| oldtime = newtime; |
| |
| /*-------------------------------------------------------------------*/ |
| /* Return the timestamp info. */ |
| /*-------------------------------------------------------------------*/ |
| tp->tv_sec = basetime + newtime/1000; |
| tp->tv_usec = (newtime%1000) * 1000; /* only accurate to milli */ |
| if (tpz) |
| { |
| tpz->tz_minuteswest = minuteswest; |
| tpz->tz_dsttime = dsttime; |
| } |
| |
| return 0; |
| |
| } /* gettimeofday() */ |
