usr/src/cmd/dtrace/test/tst/i386/pid/tst.uregswrite.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2017 Joyent, Inc.
  14  */
  15
  16 #include <unistd.h>
  17
  18 int
  19 startup_wait(int *val)
  20 {
  21         return (*val);
  22 }
  23
  24 int
  25 baz(void)
  26 {
  27         return (0);
  28 }
  29
  30 int bar_val = 0;
  31
  32 int
  33 bar(void)
  34 {
  35         return (bar_val++);
  36 }
  37
  38 int
  39 main(int argc, char **argv)
  40 {
  41         int wait = 1;
  42
  43         while (startup_wait(&wait)) {
  44                 usleep(1000);
  45         }
  46
  47         if (baz() != 1)
  48                 return (1);
  49
  50         if (bar() != 0)
  51                 return (1);
  52
  53         if (bar() != 2)
  54                 return (1);
  55
  56         if (bar() != 2)
  57                 return (1);
  58
  59         return (0);
  60 }