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      1 /*
      2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org>
      3  * Copyright (c) 2015-2017 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 <fcntl.h>
     31 #include <asm/unistd.h>
     32 
     33 #if defined __NR_timerfd_create \
     34  && defined __NR_timerfd_gettime \
     35  && defined __NR_timerfd_settime \
     36  && defined O_CLOEXEC
     37 
     38 # include <stdio.h>
     39 # include <stdint.h>
     40 # include <time.h>
     41 # include <unistd.h>
     42 
     43 int
     44 main(void)
     45 {
     46 	(void) close(0);
     47 	if (syscall(__NR_timerfd_create, CLOCK_MONOTONIC, O_CLOEXEC | O_NONBLOCK))
     48 		perror_msg_and_skip("timerfd_create");
     49 	puts("timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC|TFD_NONBLOCK) = 0");
     50 
     51 	TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_new);
     52 	TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_old);
     53 
     54 	its_new->it_interval.tv_sec = 0xdeadbeefU;
     55 	its_new->it_interval.tv_nsec = 0xfacefeedU;
     56 	its_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
     57 	its_new->it_value.tv_nsec = (long) 0xbadc0dedfacefeedLL;
     58 
     59 	long rc = syscall(__NR_timerfd_settime, 0, 0, its_new, its_old);
     60 	printf("timerfd_settime(0, 0"
     61 	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
     62 	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}, %p) = %s\n",
     63 	       (long long) its_new->it_interval.tv_sec,
     64 	       zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
     65 	       (long long) its_new->it_value.tv_sec,
     66 	       zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
     67 	       its_old, sprintrc(rc));
     68 
     69 	its_new->it_interval.tv_sec = 0xdeface1;
     70 	its_new->it_interval.tv_nsec = 0xdeface2;
     71 	its_new->it_value.tv_sec = 0xdeface3;
     72 	its_new->it_value.tv_nsec = 0xdeface4;
     73 	its_old->it_interval.tv_sec = 0xdeface5;
     74 	its_old->it_interval.tv_nsec = 0xdeface6;
     75 	its_old->it_value.tv_sec = 0xdeface7;
     76 	its_old->it_value.tv_nsec = 0xdeface8;
     77 
     78 	if (syscall(__NR_timerfd_settime, 0, 0, its_new, its_old))
     79 		perror_msg_and_skip("timerfd_settime");
     80 	printf("timerfd_settime(0, 0"
     81 	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
     82 	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
     83 	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
     84 	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
     85 	       ") = 0\n",
     86 	       (long long) its_new->it_interval.tv_sec,
     87 	       zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
     88 	       (long long) its_new->it_value.tv_sec,
     89 	       zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
     90 	       (long long) its_old->it_interval.tv_sec,
     91 	       zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
     92 	       (long long) its_old->it_value.tv_sec,
     93 	       zero_extend_signed_to_ull(its_old->it_value.tv_nsec));
     94 
     95 	if (syscall(__NR_timerfd_gettime, 0, its_old))
     96 		perror_msg_and_skip("timerfd_gettime");
     97 	printf("timerfd_gettime(0"
     98 	       ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
     99 	       ", it_value={tv_sec=%lld, tv_nsec=%llu}}) = 0\n",
    100 	       (long long) its_old->it_interval.tv_sec,
    101 	       zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
    102 	       (long long) its_old->it_value.tv_sec,
    103 	       zero_extend_signed_to_ull(its_old->it_value.tv_nsec));
    104 
    105 	puts("+++ exited with 0 +++");
    106 	return 0;
    107 }
    108 
    109 #else
    110 
    111 SKIP_MAIN_UNDEFINED("__NR_timerfd_create && __NR_timerfd_gettime"
    112 		    " && __NR_timerfd_settime && O_CLOEXEC")
    113 
    114 #endif
    115