1 /* 2 * Check decoding of nanosleep syscall. 3 * 4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 5 * Copyright (c) 2015-2017 The strace developers. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "tests.h" 32 #include <assert.h> 33 #include <stdio.h> 34 #include <stdint.h> 35 #include <signal.h> 36 #include <time.h> 37 #include <sys/time.h> 38 39 static void 40 handler(int signo) 41 { 42 } 43 44 int 45 main(void) 46 { 47 struct { 48 struct timespec ts; 49 uint32_t pad[2]; 50 } req = { 51 .ts.tv_nsec = 0xc0de1, 52 .pad = { 0xdeadbeef, 0xbadc0ded } 53 }, rem = { 54 .ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 }, 55 .pad = { 0xdeadbeef, 0xbadc0ded } 56 }; 57 const sigset_t set = {}; 58 const struct sigaction act = { .sa_handler = handler }; 59 const struct itimerval itv = { .it_value.tv_usec = 111111 }; 60 61 if (nanosleep(&req.ts, NULL)) 62 perror_msg_and_fail("nanosleep"); 63 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, NULL) = 0\n", 64 (long long) req.ts.tv_sec, 65 zero_extend_signed_to_ull(req.ts.tv_nsec)); 66 67 assert(nanosleep(NULL, &rem.ts) == -1); 68 printf("nanosleep(NULL, %p) = -1 EFAULT (%m)\n", &rem.ts); 69 70 if (nanosleep(&req.ts, &rem.ts)) 71 perror_msg_and_fail("nanosleep"); 72 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = 0\n", 73 (long long) req.ts.tv_sec, 74 zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts); 75 76 req.ts.tv_nsec = 1000000000; 77 assert(nanosleep(&req.ts, &rem.ts) == -1); 78 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n", 79 (long long) req.ts.tv_sec, 80 zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts); 81 82 req.ts.tv_sec = 0xdeadbeefU; 83 req.ts.tv_nsec = 0xfacefeedU; 84 assert(nanosleep(&req.ts, &rem.ts) == -1); 85 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n", 86 (long long) req.ts.tv_sec, 87 zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts); 88 89 req.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL; 90 req.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL; 91 assert(nanosleep(&req.ts, &rem.ts) == -1); 92 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n", 93 (long long) req.ts.tv_sec, 94 zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts); 95 96 req.ts.tv_sec = -1; 97 req.ts.tv_nsec = -1; 98 assert(nanosleep(&req.ts, &rem.ts) == -1); 99 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n", 100 (long long) req.ts.tv_sec, 101 zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts); 102 103 assert(sigaction(SIGALRM, &act, NULL) == 0); 104 assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0); 105 106 if (setitimer(ITIMER_REAL, &itv, NULL)) 107 perror_msg_and_skip("setitimer"); 108 109 req.ts.tv_sec = 0; 110 req.ts.tv_nsec = 999999999; 111 assert(nanosleep(&req.ts, &rem.ts) == -1); 112 printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}" 113 ", {tv_sec=%lld, tv_nsec=%llu})" 114 " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n", 115 (long long) req.ts.tv_sec, 116 zero_extend_signed_to_ull(req.ts.tv_nsec), 117 (long long) rem.ts.tv_sec, 118 zero_extend_signed_to_ull(rem.ts.tv_nsec)); 119 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---"); 120 121 puts("+++ exited with 0 +++"); 122 return 0; 123 } 124
