-/** fosa_clocks_and_timers.c
- *
- * < description >
- * < author >
- * < date >
- */
+// -----------------------------------------------------------------------
+// Copyright (C) 2006 - 2007 FRESCOR consortium partners:
+//
+// Universidad de Cantabria, SPAIN
+// University of York, UK
+// Scuola Superiore Sant'Anna, ITALY
+// Kaiserslautern University, GERMANY
+// Univ. Politecnica Valencia, SPAIN
+// Czech Technical University in Prague, CZECH REPUBLIC
+// ENEA SWEDEN
+// Thales Communication S.A. FRANCE
+// Visual Tools S.A. SPAIN
+// Rapita Systems Ltd UK
+// Evidence ITALY
+//
+// See http://www.frescor.org for a link to partners' websites
+//
+// FRESCOR project (FP6/2005/IST/5-034026) is funded
+// in part by the European Union Sixth Framework Programme
+// The European Union is not liable of any use that may be
+// made of this code.
+//
+// This file is part of the FRSH implementation
+//
+// FRSH 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.
+//
+// FRSH 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
+// distributed with FRSH; see file COPYING. If not, write to the
+// Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// As a special exception, if you include this header file into source
+// files to be compiled, this header file does not by itself cause
+// the resulting executable to be covered by the GNU General Public
+// License. This exception does not however invalidate any other
+// reasons why the executable file might be covered by the GNU General
+// Public License.
+// -----------------------------------------------------------------------
+//==============================================
+// ******** ****** ******** **********
+// **///// /** ** **////// /** /**
+// ** /** ** /** /** /**
+// ******* /** ** /********* /**********
+// **//// /** ** ////////** /**//////**
+// ** /** ** /** /** /**
+// ** /** ** ******** /** /**
+// // /******/ //////// // //
+//
+// FOSA(Frescor Operating System Adaptation layer)
+//================================================
#include <fosa_clocks_and_timers.h>
}
-
-int fosa_thread_get_cputime_clock(frsh_thread_id_t tid, fosa_clock_id_t *clockid)
+int fosa_thread_get_cputime_clock(fosa_thread_id_t tid, fosa_clock_id_t *clockid)
{
-// if (tid == thread_invalid)
-// return FOSA_EINVAL;
-
- *clockid = CLOCK_THREAD_CPUTIME_ID;
- return 0;
+ return pthread_getcpuclockid (tid, clockid);
}
+
+
+
/*************************
* Timing: Timers
*************************/
+// #define FRSH_DEADLINE_NEWJOB_TIMEOUT 0x00050000
+void void_handler (int signo) {};
int fosa_timer_create
- (fosa_clock_id_t clockid, frsh_signal_t signal, frsh_signal_info_t info,
- fosa_timer_id_t *timerid);
+ (fosa_clock_id_t clockid, fosa_signal_t signal, fosa_signal_info_t info,
+ fosa_timer_id_t *timerid)
+ {
+ struct sigevent se;
+ struct sigaction act;
+
+ // Assumption: the signal should accept queued values
+ act.sa_handler = void_handler;
+ sigfillset (&act.sa_mask);
+ act.sa_flags = SA_SIGINFO; // accept signal queuing
+ sigaction (signal, &act, NULL);
+
+ se.sigev_notify = SIGEV_SIGNAL;
+ se.sigev_signo = signal;
+
+ se.sigev_value.sival_int = info.sival_int;
+ se.sigev_value.sival_ptr = info.sival_ptr;
+
+ return timer_create (clockid, &se, timerid);
+/*
+ if ((info.sival_int & 0xFFFF0000) == FRSH_DEADLINE_NEWJOB_TIMEOUT)
+ printf ("\n\ndeadline %d timer created: info=0x%x, signal=%d ()\n\n", *timerid, info.sival_int, signal);
+*/
+}
+
int fosa_timer_delete(fosa_timer_id_t timerid)
{
- if (timer_delete (timerid))
- return FOSA_EINVAL;
- return 0;
+ return timer_delete (timerid);
}
(fosa_timer_id_t timerid, bool abstime,
const struct timespec *value)
{
- struct itimerspec value =
+ struct timespec now;
+
+ clock_gettime (CLOCK_REALTIME, &now);
+
+// printf ("(0x%x): Arm timer (%d). abstime=%d, value={%ld,%ld}, now={%ld, %ld}\n",\
+// pthread_self (), timerid, abstime, value -> tv_sec, value -> tv_nsec, now.tv_sec, now.tv_nsec);
+
+ struct itimerspec tvalue =
{
.it_value = (struct timespec) *value,
- .it_interval = 0,
- }
+ .it_interval = {0,0},
+ };
- if (timer_settime (timerid, abstime, &value, NULL))
+ if (timer_settime (timerid, abstime, &tvalue, NULL))
return EINVAL;
return 0;
}
-// TODO: CPU-clock ???
int fosa_timer_get_remaining_time
(fosa_timer_id_t timerid, struct timespec *remaining_time)
{
return 0;
}
+
int fosa_timer_disarm(fosa_timer_id_t timerid, struct timespec
*remaining_time)
{
struct itimerspec null_timer, old;
// NULL timer -> disarm
- value = (struct itimerspec) {
+ null_timer = (struct itimerspec) {
.it_value = {0, 0},
.it_interval = 0,
- }
+ };
if (timer_settime (timerid, 0, &null_timer, &old))
return EINVAL;
return 0;
}
+
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