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

   1 /*
   2  * Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
   3  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
   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 <sys/syscall.h>
  31
  32 #ifdef __NR_getrusage
  33
  34 # include <stdio.h>
  35 # include <sys/resource.h>
  36 # include <unistd.h>
  37
  38 int
  39 main(void)
  40 {
  41         struct rusage *const usage = tail_alloc(sizeof(struct rusage));
  42         int rc = syscall(__NR_getrusage, RUSAGE_SELF, usage);
  43         printf("getrusage(RUSAGE_SELF, {ru_utime={%lu, %lu}"
  44                ", ru_stime={%lu, %lu}, ru_maxrss=%lu, ru_ixrss=%lu"
  45                ", ru_idrss=%lu, ru_isrss=%lu, ru_minflt=%lu"
  46                ", ru_majflt=%lu, ru_nswap=%lu, ru_inblock=%lu"
  47                ", ru_oublock=%lu, ru_msgsnd=%lu, ru_msgrcv=%lu"
  48                ", ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}) = %d\n",
  49                usage->ru_utime.tv_sec, usage->ru_utime.tv_usec,
  50                usage->ru_stime.tv_sec, usage->ru_stime.tv_usec,
  51                usage->ru_maxrss, usage->ru_ixrss, usage->ru_idrss,
  52                usage->ru_isrss, usage->ru_minflt, usage->ru_majflt,
  53                usage->ru_nswap, usage->ru_inblock, usage->ru_oublock,
  54                usage->ru_msgsnd, usage->ru_msgrcv, usage->ru_nsignals,
  55                usage->ru_nvcsw, usage->ru_nivcsw, rc);
  56
  57         puts("+++ exited with 0 +++");
  58         return 0;
  59 }
  60
  61 #else
  62
  63 SKIP_MAIN_UNDEFINED("__NR_getrusage")
  64
  65 #endif