usr/src/cmd/dtrace/test/tst/common/json/tst.usdt.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 2012 (c), Joyent, Inc.  All rights reserved.
  14  */
  15
  16 #include <sys/sdt.h>
  17 #include "usdt.h"
  18
  19 #define FMT     "{" \
  20                 "  \"sizes\": [ \"first\", 2, %f ]," \
  21                 "  \"index\": %d," \
  22                 "  \"facts\": {" \
  23                 "    \"odd\": \"%s\"," \
  24                 "    \"even\": \"%s\"" \
  25                 "  }," \
  26                 "  \"action\": \"%s\"" \
  27                 "}\n"
  28
  29 int
  30 waiting(volatile int *a)
  31 {
  32         return (*a);
  33 }
  34
  35 int
  36 main(int argc, char **argv)
  37 {
  38         volatile int a = 0;
  39         int idx;
  40         double size = 250.5;
  41
  42         while (waiting(&a) == 0)
  43                 continue;
  44
  45         for (idx = 0; idx < 10; idx++) {
  46                 char *odd, *even, *json, *action;
  47
  48                 size *= 1.78;
  49                 odd = idx % 2 == 1 ? "true" : "false";
  50                 even = idx % 2 == 0 ? "true" : "false";
  51                 action = idx == 7 ? "ignore" : "print";
  52
  53                 asprintf(&json, FMT, size, idx, odd, even, action);
  54                 BUNYAN_FAKE_LOG_DEBUG(json);
  55                 free(json);
  56         }
  57
  58         BUNYAN_FAKE_LOG_DEBUG("{\"finished\": true}");
  59
  60         return (0);
  61 }