1 /* 2 * Copyright (c) 2015 Dmitry V. Levin <ldv (at) altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <stdio.h> 29 #include <stdint.h> 30 #include <sys/time.h> 31 32 int 33 main(void) 34 { 35 struct { 36 struct itimerval itv; 37 uint32_t pad[4]; 38 } old = { 39 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded } 40 }, new = { 41 .itv = { 42 .it_interval = { 0xc0de1, 0xc0de2 }, 43 .it_value = { 0xc0de3, 0xc0de4 } 44 }, 45 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded } 46 }; 47 48 if (setitimer(ITIMER_REAL, &new.itv, &old.itv)) 49 return 77; 50 printf("setitimer(ITIMER_REAL" 51 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}" 52 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}" 53 ") = 0\n", 54 (intmax_t) new.itv.it_interval.tv_sec, 55 (intmax_t) new.itv.it_interval.tv_usec, 56 (intmax_t) new.itv.it_value.tv_sec, 57 (intmax_t) new.itv.it_value.tv_usec, 58 (intmax_t) old.itv.it_interval.tv_sec, 59 (intmax_t) old.itv.it_interval.tv_usec, 60 (intmax_t) old.itv.it_value.tv_sec, 61 (intmax_t) old.itv.it_value.tv_usec); 62 63 if (getitimer(ITIMER_REAL, &old.itv)) 64 return 77; 65 printf("getitimer(ITIMER_REAL" 66 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}" 67 ") = 0\n", 68 (intmax_t) old.itv.it_interval.tv_sec, 69 (intmax_t) old.itv.it_interval.tv_usec, 70 (intmax_t) old.itv.it_value.tv_sec, 71 (intmax_t) old.itv.it_value.tv_usec); 72 73 puts("+++ exited with 0 +++"); 74 return 0; 75 } 76
