1 // -----------------------------------------------------------------------
2 // Copyright (C) 2006 - 2009 FRESCOR consortium partners:
4 // Universidad de Cantabria, SPAIN
5 // University of York, UK
6 // Scuola Superiore Sant'Anna, ITALY
7 // Kaiserslautern University, GERMANY
8 // Univ. Politécnica Valencia, SPAIN
9 // Czech Technical University in Prague, CZECH REPUBLIC
11 // Thales Communication S.A. FRANCE
12 // Visual Tools S.A. SPAIN
13 // Rapita Systems Ltd UK
16 // See http://www.frescor.org for a link to partners' websites
18 // FRESCOR project (FP6/2005/IST/5-034026) is funded
19 // in part by the European Union Sixth Framework Programme
20 // The European Union is not liable of any use that may be
24 // based on previous work (FSF) done in the FIRST project
26 // Copyright (C) 2005 Mälardalen University, SWEDEN
27 // Scuola Superiore S.Anna, ITALY
28 // Universidad de Cantabria, SPAIN
29 // University of York, UK
31 // FSF API web pages: http://marte.unican.es/fsf/docs
32 // http://shark.sssup.it/contrib/first/docs/
34 // This file is part of FOSA (Frsh Operating System Adaption)
36 // FOSA is free software; you can redistribute it and/or modify it
37 // under terms of the GNU General Public License as published by the
38 // Free Software Foundation; either version 2, or (at your option) any
39 // later version. FOSA is distributed in the hope that it will be
40 // useful, but WITHOUT ANY WARRANTY; without even the implied warranty
41 // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
42 // General Public License for more details. You should have received a
43 // copy of the GNU General Public License along with FOSA; see file
44 // COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,
45 // Cambridge, MA 02139, USA.
47 // As a special exception, including FOSA header files in a file,
48 // instantiating FOSA generics or templates, or linking other files
49 // with FOSA objects to produce an executable application, does not
50 // by itself cause the resulting executable application to be covered
51 // by the GNU General Public License. This exception does not
52 // however invalidate any other reasons why the executable file might be
53 // covered by the GNU Public License.
54 // -----------------------------------------------------------------------
56 //==============================================
57 // ******** ****** ******** **********
58 // **///// /** ** **////// /** /**
59 // ** /** ** /** /** /**
60 // ******* /** ** /********* /**********
61 // **//// /** ** ////////** /**//////**
62 // ** /** ** /** /** /**
63 // ** /** ** ******** /** /**
64 // // /******/ //////// // //
66 // FOSA(Frescor Operating System Adaptation layer)
67 //================================================
71 /*************************
73 *************************/
75 int fosa_clock_get_time(fosa_clock_id_t clockid,
76 struct timespec *current_time){
77 return clock_gettime(clockid, current_time);
80 int fosa_thread_get_cputime_clock(frsh_thread_id_t tid,
81 fosa_clock_id_t *clockid){
82 return pthread_getcpuclockid(tid, clockid);
86 /*************************
88 *************************/
90 int fosa_timer_create(fosa_clock_id_t clockid,
92 frsh_signal_info_t info,
93 fosa_timer_id_t *timerid){
94 struct sigevent event;
96 event.sigev_notify = SIGEV_SIGNAL;
97 event.sigev_signo = signal;
98 // event.sigev_value = info;
100 return timer_create(clockid, &event, timerid);
104 int fosa_timer_delete(fosa_timer_id_t timerid){
105 timer_delete(timerid);
110 int fosa_timer_arm (fosa_timer_id_t timerid,
112 const struct timespec *value){
114 struct itimerspec when;
116 when.it_value = *value; // Just one shot.
117 when.it_interval.tv_sec = 0; // Not periodic behaviour.
118 when.it_interval.tv_nsec = 0;
120 return timer_settime(timerid, abstime , &when, NULL);
123 int fosa_timer_get_remaining_time(fosa_timer_id_t timerid, struct timespec *remaining_time) {
125 if (TIMER_ARMED(timerid)) {
126 (*remaining_time)=timespec_from_ns((long long)(timerid->expires.it_value - clock_gethrtime(timerid->clock_id)));
133 int fosa_timer_disarm(fosa_timer_id_t timerid, struct timespec *remaining_time){
134 struct itimerspec when;
136 if (remaining_time && TIMER_ARMED(timerid)) {
138 timespec_from_ns((long long)(timerid->expires.it_value - clock_gethrtime(timerid->clock_id)));
141 when.it_value.tv_sec = 0;
142 when.it_value.tv_nsec = 0;
143 when.it_interval = when.it_value; // Not needed but safe.
145 return timer_settime(timerid, TIMER_ABSTIME , &when, NULL);