granicus.if.org Git - strace/blob - tests/timerfd_xettime.c

   1 /*
   2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@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