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Viewing changes to tests/fork_and_run.h

  • Committer: Thomas Voß
  • Date: 2013-05-28 14:20:45 UTC
  • Revision ID: thomas.voss@canonical.com-20130528142045-kq5umqdmm4o53vwk
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tests/fork_and_run.h
 
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#ifndef FORK_AND_RUN_H_
 
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#define FORK_AND_RUN_H_
 
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#include <cstring>
 
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#include <functional>
 
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#include <stdexcept>
 
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#include <sys/types.h>
 
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#include <signal.h>
 
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#include <unistd.h>
 
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namespace test
 
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{
 
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bool is_child(pid_t pid)
 
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{
 
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    return pid == 0;
 
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}
 
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int fork_and_run(std::function<void()> child, std::function<void()> parent)
 
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{
 
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    auto pid = fork();
 
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    if (pid < 0)
 
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    {
 
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        throw std::runtime_error(std::string("Could not fork child: ") + std::strerror(errno));
 
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    }
 
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    if (is_child(pid))
 
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    {
 
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        child();
 
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        return EXIT_SUCCESS;
 
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    }
 
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    else
 
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    {
 
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        parent();
 
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        kill(pid, SIGKILL);
 
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        return EXIT_SUCCESS;
 
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    }
 
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    return EXIT_FAILURE;
 
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}
 
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}
 
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#endif // FORK_AND_RUN_H_