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 <stdio.h> 30 #include <stdint.h> 31 #include <time.h> 32 #include <unistd.h> 33 #include <asm/unistd.h> 34 35 #if defined __NR_clock_getres \ 36 && defined __NR_clock_gettime \ 37 && defined __NR_clock_settime 38 39 int 40 main(void) 41 { 42 struct { 43 struct timespec ts; 44 uint32_t pad[2]; 45 } t = { 46 .pad = { 0xdeadbeef, 0xbadc0ded } 47 }; 48 49 if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts)) 50 perror_msg_and_skip("clock_getres CLOCK_REALTIME"); 51 printf("clock_getres(CLOCK_REALTIME, {tv_sec=%jd, tv_nsec=%jd}) = 0\n", 52 (intmax_t) t.ts.tv_sec, 53 (intmax_t) t.ts.tv_nsec); 54 55 if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts)) 56 perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID"); 57 printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, " 58 "{tv_sec=%jd, tv_nsec=%jd}) = 0\n", 59 (intmax_t) t.ts.tv_sec, 60 (intmax_t) t.ts.tv_nsec); 61 62 t.ts.tv_sec = 0xdeface1; 63 t.ts.tv_nsec = 0xdeface2; 64 if (!syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts)) 65 error_msg_and_skip("clock_settime CLOCK_THREAD_CPUTIME_ID:" 66 " EINVAL expected"); 67 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID, {tv_sec=%jd, " 68 "tv_nsec=%jd}) = -1 EINVAL (%m)\n", 69 (intmax_t) t.ts.tv_sec, 70 (intmax_t) t.ts.tv_nsec); 71 72 puts("+++ exited with 0 +++"); 73 return 0; 74 } 75 76 #else 77 78 SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime") 79 80 #endif 81
