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>
62 /*************************
64 *************************/
65 int fosa_clock_get_time(fosa_clock_id_t clockid, struct timespec *current_time)
67 if (clock_gettime (clockid, current_time))
74 int fosa_thread_get_cputime_clock(fosa_thread_id_t tid, fosa_clock_id_t *clockid)
76 return pthread_getcpuclockid (tid, clockid);
82 /*************************
84 *************************/
85 // #define FRSH_DEADLINE_NEWJOB_TIMEOUT 0x00050000
86 void void_handler (int signo) {};
88 (fosa_clock_id_t clockid, fosa_signal_t signal, fosa_signal_info_t info,
89 fosa_timer_id_t *timerid)
94 // Assumption: the signal should accept queued values
95 act.sa_handler = void_handler;
96 sigfillset (&act.sa_mask);
97 act.sa_flags = SA_SIGINFO; // accept signal queuing
98 sigaction (signal, &act, NULL);
100 se.sigev_notify = SIGEV_SIGNAL;
101 se.sigev_signo = signal;
103 se.sigev_value.sival_int = info.sival_int;
104 se.sigev_value.sival_ptr = info.sival_ptr;
106 return timer_create (clockid, &se, timerid);
108 if ((info.sival_int & 0xFFFF0000) == FRSH_DEADLINE_NEWJOB_TIMEOUT)
109 printf ("\n\ndeadline %d timer created: info=0x%x, signal=%d ()\n\n", *timerid, info.sival_int, signal);
114 int fosa_timer_delete(fosa_timer_id_t timerid)
116 return timer_delete (timerid);
121 (fosa_timer_id_t timerid, bool abstime,
122 const struct timespec *value)
126 clock_gettime (CLOCK_REALTIME, &now);
128 // printf ("(0x%x): Arm timer (%d). abstime=%d, value={%ld,%ld}, now={%ld, %ld}\n",\
129 // pthread_self (), timerid, abstime, value -> tv_sec, value -> tv_nsec, now.tv_sec, now.tv_nsec);
131 struct itimerspec tvalue =
133 .it_value = (struct timespec) *value,
134 .it_interval = {0,0},
137 if (timer_settime (timerid, abstime, &tvalue, NULL))
144 int fosa_timer_get_remaining_time
145 (fosa_timer_id_t timerid, struct timespec *remaining_time)
147 struct itimerspec value;
149 if (timer_gettime (timerid, &value))
152 *remaining_time = value.it_value;
157 int fosa_timer_disarm(fosa_timer_id_t timerid, struct timespec
160 struct itimerspec null_timer, old;
162 // NULL timer -> disarm
163 null_timer = (struct itimerspec) {
168 if (timer_settime (timerid, 0, &null_timer, &old))
172 *remaining_time = old.it_value;