1 // -----------------------------------------------------------------------
2 // Copyright (C) 2006 - 2007 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. Politecnica 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
23 // This file is part of the FRSH implementation
25 // FRSH is free software; you can redistribute it and/or modify
26 // it under the terms of the GNU General Public License as published by
27 // the Free Software Foundation; either version 2, or (at your option)
30 // FRSH is distributed in the hope that it will be useful, but
31 // WITHOUT ANY WARRANTY; without even the implied warranty of
32 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
33 // General Public License for more details.
35 // You should have received a copy of the GNU General Public License
36 // distributed with FRSH; see file COPYING. If not, write to the
37 // Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
40 // As a special exception, if you include this header file into source
41 // files to be compiled, this header file does not by itself cause
42 // the resulting executable to be covered by the GNU General Public
43 // License. This exception does not however invalidate any other
44 // reasons why the executable file might be covered by the GNU General
46 // -----------------------------------------------------------------------
48 //==============================================
49 // ******** ****** ******** **********
50 // **///// /** ** **////// /** /**
51 // ** /** ** /** /** /**
52 // ******* /** ** /********* /**********
53 // **//// /** ** ////////** /**//////**
54 // ** /** ** /** /** /**
55 // ** /** ** ******** /** /**
56 // // /******/ //////// // //
58 // FOSA(Frescor Operating System Adaptation layer)
59 //================================================
63 /*************************
65 *************************/
67 int fosa_clock_get_time(fosa_clock_id_t clockid,
68 struct timespec *current_time){
69 return clock_gettime(clockid, current_time);
72 int fosa_thread_get_cputime_clock(frsh_thread_id_t tid,
73 fosa_clock_id_t *clockid){
74 return pthread_getcpuclockid(tid, clockid);
78 /*************************
80 *************************/
82 int fosa_timer_create(fosa_clock_id_t clockid,
84 frsh_signal_info_t info,
85 fosa_timer_id_t *timerid){
86 struct sigevent event;
88 event.sigev_notify = SIGEV_SIGNAL;
89 event.sigev_signo = signal;
90 // event.sigev_value = info;
92 return timer_create(clockid, &event, timerid);
96 int fosa_timer_delete(fosa_timer_id_t timerid){
97 timer_delete(timerid);
102 int fosa_timer_arm (fosa_timer_id_t timerid,
104 const struct timespec *value){
106 struct itimerspec when;
108 when.it_value = *value; // Just one shot.
109 when.it_interval.tv_sec = 0; // Not periodic behaviour.
110 when.it_interval.tv_nsec = 0;
112 return timer_settime(timerid, abstime , &when, NULL);
115 int fosa_timer_get_remaining_time(fosa_timer_id_t timerid, struct timespec *remaining_time) {
117 if (TIMER_ARMED(timerid)) {
118 (*remaining_time)=timespec_from_ns((long long)(timerid->expires.it_value - clock_gethrtime(timerid->clock_id)));
125 int fosa_timer_disarm(fosa_timer_id_t timerid, struct timespec *remaining_time){
126 struct itimerspec when;
128 if (remaining_time && TIMER_ARMED(timerid)) {
130 timespec_from_ns((long long)(timerid->expires.it_value - clock_gethrtime(timerid->clock_id)));
133 when.it_value.tv_sec = 0;
134 when.it_value.tv_nsec = 0;
135 when.it_interval = when.it_value; // Not needed but safe.
137 return timer_settime(timerid, TIMER_ABSTIME , &when, NULL);