1 /* 2 * Copyright (c) 2015-2016 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 "tests.h" 29 #include <assert.h> 30 #include <stdio.h> 31 #include <stdint.h> 32 #include <signal.h> 33 #include <time.h> 34 #include <sys/time.h> 35 36 static void 37 handler(int signo) 38 { 39 } 40 41 int 42 main(void) 43 { 44 struct { 45 struct timespec ts; 46 uint32_t pad[2]; 47 } req = { 48 .ts.tv_nsec = 0xc0de1, 49 .pad = { 0xdeadbeef, 0xbadc0ded } 50 }, rem = { 51 .ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 }, 52 .pad = { 0xdeadbeef, 0xbadc0ded } 53 }; 54 const sigset_t set = {}; 55 const struct sigaction act = { .sa_handler = handler }; 56 const struct itimerval itv = { .it_value.tv_usec = 111111 }; 57 58 if (nanosleep(&req.ts, NULL)) 59 perror_msg_and_fail("nanosleep"); 60 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, NULL) = 0\n", 61 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec); 62 63 assert(nanosleep(NULL, &rem.ts) == -1); 64 printf("nanosleep(NULL, %p) = -1 EFAULT (%m)\n", &rem.ts); 65 66 if (nanosleep(&req.ts, &rem.ts)) 67 perror_msg_and_fail("nanosleep"); 68 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = 0\n", 69 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts); 70 71 req.ts.tv_nsec = 1000000000; 72 assert(nanosleep(&req.ts, &rem.ts) == -1); 73 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = -1 EINVAL (%m)\n", 74 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts); 75 76 assert(sigaction(SIGALRM, &act, NULL) == 0); 77 assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0); 78 79 if (setitimer(ITIMER_REAL, &itv, NULL)) 80 perror_msg_and_skip("setitimer"); 81 printf("setitimer(ITIMER_REAL, {it_interval={tv_sec=%jd, tv_usec=%jd}" 82 ", it_value={tv_sec=%jd, tv_usec=%jd}}, NULL) = 0\n", 83 (intmax_t) itv.it_interval.tv_sec, 84 (intmax_t) itv.it_interval.tv_usec, 85 (intmax_t) itv.it_value.tv_sec, 86 (intmax_t) itv.it_value.tv_usec); 87 88 req.ts.tv_nsec = 999999999; 89 assert(nanosleep(&req.ts, &rem.ts) == -1); 90 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, {tv_sec=%jd, tv_nsec=%jd})" 91 " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n", 92 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, 93 (intmax_t) rem.ts.tv_sec, (intmax_t) rem.ts.tv_nsec); 94 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---"); 95 96 puts("+++ exited with 0 +++"); 97 return 0; 98 } 99
