1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 3 * Copyright (c) 2015-2018 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "tests.h" 30 #include <stdio.h> 31 #include <stdint.h> 32 #include <time.h> 33 #include <unistd.h> 34 #include <asm/unistd.h> 35 36 #if defined __NR_clock_getres \ 37 && defined __NR_clock_gettime \ 38 && defined __NR_clock_settime 39 40 int 41 main(void) 42 { 43 struct { 44 struct timespec ts; 45 uint32_t pad[2]; 46 } t = { 47 .pad = { 0xdeadbeef, 0xbadc0ded } 48 }; 49 long rc; 50 51 if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts)) 52 perror_msg_and_skip("clock_getres CLOCK_REALTIME"); 53 printf("clock_getres(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu})" 54 " = 0\n", 55 (long long) t.ts.tv_sec, 56 zero_extend_signed_to_ull(t.ts.tv_nsec)); 57 58 if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts)) 59 perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID"); 60 printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID" 61 ", {tv_sec=%lld, tv_nsec=%llu}) = 0\n", 62 (long long) t.ts.tv_sec, 63 zero_extend_signed_to_ull(t.ts.tv_nsec)); 64 65 t.ts.tv_sec = 0xdeface1; 66 t.ts.tv_nsec = 0xdeface2; 67 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); 68 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" 69 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", 70 (long long) t.ts.tv_sec, 71 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); 72 73 t.ts.tv_sec = 0xdeadbeefU; 74 t.ts.tv_nsec = 0xfacefeedU; 75 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); 76 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" 77 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", 78 (long long) t.ts.tv_sec, 79 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); 80 81 t.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL; 82 t.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL; 83 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts); 84 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID" 85 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n", 86 (long long) t.ts.tv_sec, 87 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc)); 88 89 puts("+++ exited with 0 +++"); 90 return 0; 91 } 92 93 #else 94 95 SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime") 96 97 #endif 98
