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 // -----------------------------------------------------------------------
47 //==============================================
48 // ******** ****** ******** **********
49 // **///// /** ** **////// /** /**
50 // ** /** ** /** /** /**
51 // ******* /** ** /********* /**********
52 // **//// /** ** ////////** /**//////**
53 // ** /** ** /** /** /**
54 // ** /** ** ******** /** /**
55 // // /******/ //////// // //
57 // FOSA(Frescor Operating System Adaptation layer)
58 //================================================
60 #include <fosa_clocks_and_timers.h>
61 #include <fosa_time.h>
64 /*************************
66 *************************/
67 int fosa_clock_get_time(fosa_clock_id_t clockid, fosa_abs_time_t *current_time)
72 err = clock_gettime (clockid, &now);
73 *current_time = fosa_timespec_to_abs_time(now);
79 int fosa_thread_get_cputime_clock(fosa_thread_id_t tid, fosa_clock_id_t *clockid)
81 return pthread_getcpuclockid (tid, clockid);
87 /*************************
89 *************************/
90 void void_handler (int signo) {};
92 (fosa_clock_id_t clockid, fosa_signal_t signal, fosa_signal_info_t info,
93 fosa_timer_id_t *timerid)
98 // Assumption: the signal should accept queued values
99 act.sa_handler = void_handler;
100 sigfillset (&act.sa_mask);
101 act.sa_flags = SA_SIGINFO; // accept signal queuing
102 sigaction (signal, &act, NULL);
104 se.sigev_notify = SIGEV_SIGNAL;
105 se.sigev_signo = signal;
107 se.sigev_value.sival_int = info.sival_int;
108 se.sigev_value.sival_ptr = info.sival_ptr;
110 return timer_create (clockid, &se, timerid);
114 int fosa_timer_create_with_receiver
115 (fosa_clock_id_t clockid, fosa_signal_t signal, fosa_signal_info_t info,
116 fosa_timer_id_t *timerid, fosa_thread_id_t receiver)
118 return fosa_timer_create (clockid, signal, info, timerid);
121 int fosa_timer_delete(fosa_timer_id_t timerid)
123 return timer_delete (timerid);
127 int fosa_rel_timer_arm (fosa_timer_id_t timerid, const fosa_rel_time_t *value)
129 struct itimerspec tvalue;
131 tvalue.it_value = fosa_rel_time_to_timespec(*value);
132 tvalue.it_interval = (struct timespec) {0,0};
134 if (timer_settime (timerid, 0, &tvalue, NULL))
140 int fosa_abs_timer_arm (fosa_timer_id_t timerid, const fosa_abs_time_t *value)
142 struct itimerspec tvalue;
144 tvalue.it_value = fosa_abs_time_to_timespec(*value);
145 tvalue.it_interval = (struct timespec) {0,0};
147 if (timer_settime (timerid, TIMER_ABSTIME, &tvalue, NULL))
154 int fosa_timer_get_remaining_time
155 (fosa_timer_id_t timerid, fosa_rel_time_t *remaining_time)
157 struct itimerspec value;
159 if (timer_gettime (timerid, &value))
162 *remaining_time = fosa_timespec_to_rel_time (value.it_value);
167 int fosa_timer_disarm (fosa_timer_id_t timerid, fosa_rel_time_t *remaining_time)
169 struct itimerspec null_timer, old;
171 // NULL timer -> disarm
172 null_timer = (struct itimerspec) {
174 .it_interval = {0, 0},
177 if (timer_settime (timerid, 0, &null_timer, &old))
181 *remaining_time = fosa_timespec_to_rel_time (old.it_value);