/******************************************************************************** * time.h * * Copyright (C) 2007 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name Gregory Nutt nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ********************************************************************************/ #ifndef _TIME_H_ #define _TIME_H_ /******************************************************************************** * Included Files ********************************************************************************/ #include #include /******************************************************************************** * Compilations Switches ********************************************************************************/ /******************************************************************************** * Definitions ********************************************************************************/ /* Clock tick of the system */ #define CLK_TCK 100 /* This is the only clock_id supported by the "Clock and Timer * Functions." */ #define CLOCK_REALTIME 0 #define CLOCK_ABSTIME /******************************************************************************** * Global Type Declarations ********************************************************************************/ typedef uint32 time_t; typedef ubyte clockid_t; typedef ubyte timer_t; struct timespec { time_t tv_sec; /* Seconds */ long tv_nsec; /* Nanoseconds */ }; struct timeval { time_t tv_sec; /* Seconds */ long tv_usec; /* Microseconds */ }; struct tm { int tm_sec; /* second (0-61, allows for leap seconds) */ int tm_min; /* minute (0-59) */ int tm_hour; /* hour (0-23) */ int tm_mday; /* day of the month (1-31) */ int tm_mon; /* month (0-11) */ int tm_year; /* years since 1900 */ #if 0 /* not supported */ int tm_wday; /* day of the week (0-6) */ int tm_yday; /* day of the year (0-365) */ int tm_isdst; /* non-0 if daylight savings time is in effect */ #endif }; /* Struct itimerspec is used to define settings for an interval timer */ struct itimerspec { struct timespec it_value; /* First time */ struct timespec it_interval; /* and thereafter */ }; /* forward reference (defined in signal.h) */ struct sigevent; /******************************************************************************** * Global Variables ********************************************************************************/ /* extern char *tznames[]; not supported */ /******************************************************************************** * Global Function Prototypes ********************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif EXTERN int clock_settime(clockid_t clockid, const struct timespec *tp); EXTERN int clock_gettime(clockid_t clockid, struct timespec *tp); EXTERN int clock_getres(clockid_t clockid, struct timespec *res); EXTERN time_t mktime(struct tm *tp); EXTERN struct tm *gmtime_r(const time_t *clock, struct tm *result); #define localtime_r(c,r) gmtime_r(c,r) EXTERN int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid); EXTERN int timer_delete(timer_t timerid); EXTERN int timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue); EXTERN int timer_gettime(timer_t timerid, struct itimerspec *value); EXTERN int timer_getoverrun(timer_t timerid); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* _TIME_H_ */