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[/] [or1k/] [trunk/] [ecos-2.0/] [packages/] [compat/] [posix/] [v2_0/] [include/] [time.h] - Rev 1254
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#ifndef CYGONCE_POSIX_TIME_H #define CYGONCE_POSIX_TIME_H /*============================================================================= // // time.h // // POSIX time header // //============================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg, jlarmour // Date: 2000-03-17 // Purpose: POSIX time header // Description: This header contains all the definitions needed to support // the POSIX timer and timer API under eCos. // // Usage: Do not include this file directly - instead include <time.h> // // //####DESCRIPTIONEND#### // //===========================================================================*/ #include <pkgconf/posix.h> #include <cyg/infra/cyg_type.h> /*---------------------------------------------------------------------------*/ /* Types for timers and clocks */ typedef int clockid_t; #ifdef CYGPKG_POSIX_TIMERS typedef int timer_t; /* forward declaration - if the app uses it it will have to include * signal.h anyway */ struct sigevent; #endif /*---------------------------------------------------------------------------*/ /* Structures */ struct timespec { time_t tv_sec; long tv_nsec; }; #ifdef CYGPKG_POSIX_TIMERS struct itimerspec { struct timespec it_interval; struct timespec it_value; }; #endif /*---------------------------------------------------------------------------*/ /* Manifest constants */ #define CLOCK_REALTIME 0 #ifdef CYGPKG_POSIX_TIMERS #define TIMER_ABSTIME 1 #endif /*---------------------------------------------------------------------------*/ /* Clock functions */ /* Set the clocks current time */ __externC int clock_settime( clockid_t clock_id, const struct timespec *tp); /* Get the clocks current time */ __externC int clock_gettime( clockid_t clock_id, struct timespec *tp); /* Get the clocks resolution */ __externC int clock_getres( clockid_t clock_id, struct timespec *tp); /*---------------------------------------------------------------------------*/ /* Timer functions */ #ifdef CYGPKG_POSIX_TIMERS /* Create a timer based on the given clock. */ __externC int timer_create( clockid_t clock_id, struct sigevent *evp, timer_t *timer_id); /* Delete the timer */ __externC int timer_delete( timer_t timer_id ); /* Set the expiration time of the timer. */ __externC int timer_settime( timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue ); /* Get current timer values */ __externC int timer_gettime( timer_t timerid, struct itimerspec *value ); /* Get number of missed triggers */ __externC int timer_getoverrun( timer_t timerid ); #endif /*---------------------------------------------------------------------------*/ /* Nanosleep */ /* Sleep for the given time. */ __externC int nanosleep( const struct timespec *rqtp, struct timespec *rmtp); /*---------------------------------------------------------------------------*/ #endif /* ifndef CYGONCE_POSIX_TIME_H */ /* End of time.h */
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