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| 1099 | pj | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 10 | * (see the web pages for full authors list) |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 19 | /** |
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| 20 | ------------ |
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| 1123 | pj | 21 | CVS : $Id: sig.c,v 1.3 2003-01-07 17:10:15 pj Exp $ |
| 1099 | pj | 22 | |
| 23 | File: $File$ |
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| 1123 | pj | 24 | Revision: $Revision: 1.3 $ |
| 25 | Last update: $Date: 2003-01-07 17:10:15 $ |
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| 1099 | pj | 26 | ------------ |
| 27 | **/ |
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| 28 | |||
| 29 | /* |
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| 30 | * Copyright (C) 2000 Paolo Gai and Giorgio Buttazzo |
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| 31 | * |
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| 32 | * This program is free software; you can redistribute it and/or modify |
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| 33 | * it under the terms of the GNU General Public License as published by |
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| 34 | * the Free Software Foundation; either version 2 of the License, or |
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| 35 | * (at your option) any later version. |
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| 36 | * |
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| 37 | * This program is distributed in the hope that it will be useful, |
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| 38 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 39 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 40 | * GNU General Public License for more details. |
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| 41 | * |
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| 42 | * You should have received a copy of the GNU General Public License |
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| 43 | * along with this program; if not, write to the Free Software |
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| 44 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 45 | * |
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| 46 | */ |
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| 47 | |||
| 48 | /* |
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| 49 | Test Number 5: |
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| 50 | |||
| 51 | this test is a simple main() function with one other task |
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| 52 | |||
| 53 | This test can be useful to test functions like: |
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| 54 | |||
| 55 | sys_gettime |
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| 56 | sigemptyset |
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| 57 | sigaddset |
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| 58 | hartik_deliver_pending_signals |
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| 59 | sys_end |
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| 60 | task_sigmask |
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| 61 | sigaction |
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| 62 | sigqueue |
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| 63 | task_signal |
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| 64 | */ |
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| 65 | |||
| 66 | #include "kernel/kern.h" |
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| 67 | |||
| 68 | |||
| 69 | TASK goofy(void *arg) |
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| 70 | { |
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| 71 | struct timespec t; |
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| 72 | |||
| 73 | cprintf("Goofy: waiting 2 secs...\n"); |
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| 74 | |||
| 75 | do { |
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| 76 | sys_gettime(&t); |
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| 77 | } while (t.tv_sec < 2); // wait until 2 sec |
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| 78 | |||
| 79 | cprintf("Goofy: ok, I'm ready :-)\n"); |
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| 80 | |||
| 81 | return 0; |
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| 82 | } |
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| 83 | |||
| 1123 | pj | 84 | void catchit_RT(int signo, siginfo_t *info, void *extra) |
| 1099 | pj | 85 | { |
| 1123 | pj | 86 | cprintf("RT signal: Current Running Task = %d signo=%d code=%d value=%d from pid=%d\n", |
| 1099 | pj | 87 | exec_shadow, |
| 88 | info->si_signo, info->si_code, |
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| 89 | info->si_value.sival_int, info->si_task); |
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| 90 | } |
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| 91 | |||
| 1123 | pj | 92 | void catchit(int signo) |
| 93 | { |
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| 94 | cprintf("RT signal: Current Running Task = %d signo=%d\n", |
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| 95 | exec_shadow, signo); |
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| 96 | } |
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| 1099 | pj | 97 | |
| 98 | int main(int argc, char **argv) |
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| 99 | { |
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| 100 | struct timespec t; |
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| 101 | NRT_TASK_MODEL m; |
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| 102 | PID p2; |
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| 103 | |||
| 104 | sigset_t newmask; |
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| 105 | sigset_t oldmask; |
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| 106 | struct sigaction action; |
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| 107 | union sigval sval; |
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| 108 | |||
| 109 | clear(); |
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| 110 | |||
| 111 | /* Set the signal action */ |
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| 112 | action.sa_flags = SA_SIGINFO; |
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| 1123 | pj | 113 | action.sa_sigaction = catchit_RT; |
| 1099 | pj | 114 | action.sa_handler = 0; |
| 115 | action.sa_mask = 0; |
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| 116 | |||
| 117 | if (sigaction(SIGUSR1, &action, NULL) == -1) { |
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| 118 | perror("Error using sigaction."); |
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| 119 | return -1; |
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| 120 | } |
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| 121 | |||
| 122 | action.sa_flags = 0; |
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| 1119 | pj | 123 | action.sa_handler = (void (*)(int))catchit; |
| 1099 | pj | 124 | |
| 125 | if (sigaction(SIGILL, &action, NULL) == -1) { |
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| 126 | perror("Error using sigaction."); |
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| 127 | return -1; |
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| 128 | } |
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| 129 | |||
| 130 | /* create another task */ |
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| 131 | nrt_task_default_model(m); |
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| 132 | nrt_task_def_group(m,1); |
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| 133 | |||
| 134 | p2 = task_create("goofy", goofy, &m, NULL); |
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| 135 | if (p2 == NIL) |
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| 136 | { |
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| 137 | cprintf("Can't create goofy task...\n"); |
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| 138 | return 1; |
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| 139 | } |
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| 140 | |||
| 141 | group_activate(1); |
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| 142 | |||
| 143 | /* block the signal for the main task */ |
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| 144 | sigemptyset(&newmask); |
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| 145 | sigaddset(&newmask,SIGUSR1); |
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| 146 | task_sigmask(SIG_BLOCK, &newmask, &oldmask); // pthread_sigmask |
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| 147 | |||
| 148 | cprintf("main: Sending 2 signals ...\n"); |
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| 149 | |||
| 150 | sval.sival_int = 123; |
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| 151 | sigqueue(0,SIGUSR1,sval); |
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| 152 | sval.sival_int = 999; |
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| 153 | sigqueue(0,SIGUSR1,sval); |
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| 154 | |||
| 155 | cprintf("main: Now sending a signal to myself," |
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| 156 | " then wait until 4 secs...\n"); |
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| 157 | |||
| 158 | task_signal(0 /* main */, SIGILL); // pthread_kill |
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| 159 | |||
| 160 | NULL_TIMESPEC(&t); |
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| 161 | do { |
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| 162 | sys_gettime(&t); |
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| 163 | } while (t.tv_sec < 4); // wait until 4 s |
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| 164 | |||
| 165 | cprintf("main: ending...\n"); |
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| 166 | |||
| 167 | return 0; |
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| 168 | } |