/**
 * Copyright (C) 2015 Intel Corporation
 *
 */

#include <unistd.h> /* for fork() */

#include "dlt.h"

/**
 * @brief sample code for using at_fork-handler
 */
int main()
{
  DltContext mainContext;

  DLT_REGISTER_APP("PRNT", "Parent application");
  DLT_REGISTER_CONTEXT(mainContext, "CTXP", "Parent context");
  DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("First message before fork"));
  usleep(200000);

  pid_t pid = fork();
  if (pid == 0) /* child process */
  {
    /* this message should not be visible */
    /* DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Child's first message after fork, pid: "), DLT_INT32(getpid())); */
    /* unfortunately, this message does arrive, I assume because it still has (locally) valid data ... */

    DLT_REGISTER_APP("CHLD", "Child application");
    DLT_REGISTER_CONTEXT(mainContext, "CTXC", "Child context");
    DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Child's second message after fork, pid: "), DLT_INT32(getpid()));
    usleep(400000);
  }
  else if (pid == -1) /* error in fork */
  {
    return -1;
  }
  else /* parent */
  {
    DLT_LOG(mainContext, DLT_LOG_WARN, DLT_STRING("Parent's first message after fork, pid: "), DLT_INT32(getpid()));
    usleep(500000);
  }

  DLT_UNREGISTER_APP();

  return 0;
}