-/** fosa_clocks_and_timers.c
- *
- * < description >
- * < author >
- * < date >
- */
+// -----------------------------------------------------------------------
+// Copyright (C) 2006 - 2009 FRESCOR consortium partners:
+//
+// Universidad de Cantabria, SPAIN
+// University of York, UK
+// Scuola Superiore Sant'Anna, ITALY
+// Kaiserslautern University, GERMANY
+// Univ. Politécnica 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.
+//
+//
+// based on previous work (FSF) done in the FIRST project
+//
+// Copyright (C) 2005 Mälardalen University, SWEDEN
+// Scuola Superiore S.Anna, ITALY
+// Universidad de Cantabria, SPAIN
+// University of York, UK
+//
+// FSF API web pages: http://marte.unican.es/fsf/docs
+// http://shark.sssup.it/contrib/first/docs/
+//
+// This file is part of FOSA (Frsh Operating System Adaption)
+//
+// FOSA is free software; you can redistribute it and/or modify it
+// under terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option) any
+// later version. FOSA 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 FOSA; see file
+// COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,
+// Cambridge, MA 02139, USA.
+//
+// As a special exception, including FOSA header files in a file,
+// instantiating FOSA generics or templates, or linking other files
+// with FOSA objects to produce an executable application, does not
+// by itself cause the resulting executable application 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 Public License.
+// -----------------------------------------------------------------------
+//==============================================
+// ******** ****** ******** **********
+// **///// /** ** **////// /** /**
+// ** /** ** /** /** /**
+// ******* /** ** /********* /**********
+// **//// /** ** ////////** /**//////**
+// ** /** ** /** /** /**
+// ** /** ** ******** /** /**
+// // /******/ //////// // //
+//
+// FOSA(Frescor Operating System Adaptation layer)
+//================================================
#include <fosa_clocks_and_timers.h>
+#include <fosa_time.h>
+#include <stdlib.h>
/*************************
* Timing: Clocks
*************************/
-int fosa_clock_get_time(fosa_clock_id_t clockid, struct timespec *current_time)
-{
- if (clock_gettime (clockid, current_time))
- return FOSA_EINVAL;
+int fosa_clock_get_time(fosa_clock_id_t clockid, fosa_abs_time_t *current_time)
+{
+ int err;
+ struct timespec now;
+
+ err = clock_gettime (clockid, &now);
+ *current_time = fosa_timespec_to_abs_time(now);
return 0;
}
-
-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
*************************/
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, oact;
+
+ sigaction (signal, NULL, &oact);
+ act = oact;
+ 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);
+}
+
+
+int fosa_timer_create_with_receiver
+ (fosa_clock_id_t clockid, fosa_signal_t signal, fosa_signal_info_t info,
+ fosa_timer_id_t *timerid, fosa_thread_id_t receiver)
+{
+ return fosa_timer_create (clockid, signal, info, timerid);
+}
int fosa_timer_delete(fosa_timer_id_t timerid)
{
- if (timer_delete (timerid))
+ return timer_delete (timerid);
+}
+
+
+int fosa_rel_timer_arm (fosa_timer_id_t timerid, const fosa_rel_time_t *value)
+{
+ struct itimerspec tvalue;
+
+ tvalue.it_value = fosa_rel_time_to_timespec(*value);
+ tvalue.it_interval = (struct timespec) {0,0};
+
+ if (timer_settime (timerid, 0, &tvalue, NULL))
return FOSA_EINVAL;
+
return 0;
}
-
-int fosa_timer_arm
- (fosa_timer_id_t timerid, bool abstime,
- const struct timespec *value)
+int fosa_abs_timer_arm (fosa_timer_id_t timerid, const fosa_abs_time_t *value)
{
- struct itimerspec value =
- {
- .it_value = (struct timespec) *value,
- .it_interval = 0,
- }
+ struct itimerspec tvalue;
- if (timer_settime (timerid, abstime, &value, NULL))
- return EINVAL;
+ tvalue.it_value = fosa_abs_time_to_timespec(*value);
+ tvalue.it_interval = (struct timespec) {0,0};
+
+ if (timer_settime (timerid, TIMER_ABSTIME, &tvalue, NULL))
+ return FOSA_EINVAL;
return 0;
}
-// TODO: CPU-clock ???
int fosa_timer_get_remaining_time
- (fosa_timer_id_t timerid, struct timespec *remaining_time)
+ (fosa_timer_id_t timerid, fosa_rel_time_t *remaining_time)
{
struct itimerspec value;
if (timer_gettime (timerid, &value))
- return EINVAL;
+ return FOSA_EINVAL;
- *remaining_time = value.it_value;
+ *remaining_time = fosa_timespec_to_rel_time (value.it_value);
return 0;
}
-int fosa_timer_disarm(fosa_timer_id_t timerid, struct timespec
- *remaining_time)
+
+int fosa_timer_disarm (fosa_timer_id_t timerid, fosa_rel_time_t *remaining_time)
{
struct itimerspec null_timer, old;
// NULL timer -> disarm
- value = (struct itimerspec) {
+ null_timer = (struct itimerspec) {
.it_value = {0, 0},
- .it_interval = 0,
- }
+ .it_interval = {0, 0},
+ };
if (timer_settime (timerid, 0, &null_timer, &old))
- return EINVAL;
+ return FOSA_EINVAL;
if (remaining_time)
- *remaining_time = old.it_value;
+ *remaining_time = fosa_timespec_to_rel_time (old.it_value);
return 0;
}
+
projects / frescor / fosa.git / blobdiff