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| 1085 | 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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| 1450 | giacomo | 21 | CVS : $Id: ptest4.c,v 1.3 2004-05-23 09:07:29 giacomo Exp $ |
| 1085 | pj | 22 | |
| 23 | File: $File$ |
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| 1450 | giacomo | 24 | Revision: $Revision: 1.3 $ |
| 25 | Last update: $Date: 2004-05-23 09:07:29 $ |
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| 1085 | pj | 26 | ------------ |
| 27 | |||
| 28 | Posix test 4: |
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| 29 | |||
| 30 | the main task create 3 tasks, J1, J2, J3 |
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| 31 | at t = 1 sec. it raise a signal to J1 |
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| 32 | at t = 2 sec. it kills J2 |
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| 33 | |||
| 34 | J1,J2,J3: it simply calls nanosleep |
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| 35 | |||
| 36 | non standard function used: |
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| 37 | cprintf |
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| 38 | sys_gettime |
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| 39 | keyboard stuffs |
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| 40 | sys_end |
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| 41 | |||
| 42 | **/ |
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| 43 | |||
| 44 | /* |
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| 45 | * Copyright (C) 2000 Paolo Gai |
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| 46 | * |
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| 47 | * This program is free software; you can redistribute it and/or modify |
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| 48 | * it under the terms of the GNU General Public License as published by |
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| 49 | * the Free Software Foundation; either version 2 of the License, or |
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| 50 | * (at your option) any later version. |
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| 51 | * |
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| 52 | * This program is distributed in the hope that it will be useful, |
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| 53 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 54 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 55 | * GNU General Public License for more details. |
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| 56 | * |
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| 57 | * You should have received a copy of the GNU General Public License |
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| 58 | * along with this program; if not, write to the Free Software |
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| 59 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 60 | * |
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| 61 | */ |
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| 62 | |||
| 63 | #include <sys/types.h> |
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| 64 | #include <pthread.h> |
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| 65 | #include <signal.h> |
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| 66 | #include <time.h> |
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| 67 | |||
| 68 | #include <kernel/kern.h> |
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| 69 | |||
| 70 | void uscitaJ(void *arg) |
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| 71 | { |
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| 72 | cprintf("J: (pid=%d) AAAARRRRGGGHHH!!! killed by someone...\n", exec_shadow); |
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| 73 | } |
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| 74 | |||
| 75 | void *J(void *arg) |
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| 76 | { |
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| 77 | struct timespec t1, t2; |
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| 78 | int err; |
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| 79 | |||
| 80 | cprintf("J (pid=%d) starts and call nanosleep\n",exec_shadow); |
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| 81 | |||
| 82 | t1.tv_sec = 3; |
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| 83 | t1.tv_nsec = 0; |
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| 84 | NULL_TIMESPEC(&t2); |
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| 85 | pthread_cleanup_push(uscitaJ,NULL); |
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| 86 | err = nanosleep(&t1, &t2); |
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| 87 | pthread_cleanup_pop(0); |
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| 88 | |||
| 89 | cprintf("J (pid=%d) ending, nanosleep returns errno=%d, t2=%ld.%ld\n", |
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| 90 | exec_shadow, err, t2.tv_sec, t2.tv_nsec/1000); |
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| 91 | |||
| 92 | return 0; |
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| 93 | } |
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| 94 | |||
| 95 | void signal_handler(int signo, siginfo_t *info, void *extra) |
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| 96 | { |
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| 97 | cprintf("SIGNAL HANDLER: pid=%d\n",exec_shadow); |
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| 98 | } |
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| 99 | |||
| 100 | |||
| 101 | int main(int argc, char **argv) |
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| 102 | { |
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| 103 | int err; |
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| 104 | pthread_t j1, j2, j3; |
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| 105 | struct sigaction sig_act; |
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| 106 | |||
| 107 | sig_act.sa_sigaction = (void *) signal_handler; |
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| 108 | sig_act.sa_flags = SA_SIGINFO; |
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| 109 | sigemptyset(&sig_act.sa_mask); |
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| 110 | |||
| 111 | sigaction(31, &sig_act, NULL); |
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| 112 | |||
| 113 | cprintf("main: creating J1\n"); |
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| 114 | err = pthread_create(&j1, NULL, J, NULL); |
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| 115 | if (err) cprintf("Error creating J1\n"); |
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| 116 | |||
| 117 | cprintf("main: creating J2\n"); |
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| 118 | err = pthread_create(&j2, NULL, J, NULL); |
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| 119 | if (err) cprintf("Error creating J2\n"); |
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| 120 | |||
| 121 | cprintf("main: creating J3\n"); |
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| 122 | err = pthread_create(&j3, NULL, J, NULL); |
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| 123 | if (err) cprintf("Error creating J3\n"); |
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| 124 | |||
| 125 | cprintf("main: waiting 1 sec\n"); |
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| 126 | while (sys_gettime(NULL) < 1000000); |
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| 127 | |||
| 128 | cprintf("main: pthread_kill on j1, then wait until t=2 sec \n"); |
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| 129 | pthread_kill(j1, 31); |
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| 130 | |||
| 131 | while (sys_gettime(NULL) < 2000000); |
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| 132 | cprintf("main: pthread_cancel(J2)\n"); |
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| 133 | pthread_cancel(j2); |
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| 134 | |||
| 135 | cprintf("main: ending...\n"); |
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| 136 | |||
| 137 | return 0; |
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| 138 | } |