kea/src/lib/util/unittests/fork.h

// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
//
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#ifndef __UTIL_UNITTESTS_FORK_H
#define __UTIL_UNITTESTS_FORK_H 1

#include <unistd.h>

/**
 * @file fork.h
 * @short Help functions to fork the test case process.
 * Various functions to fork a process and feed some data to pipe, check
 * its output and such lives here.
 */

namespace isc {
namespace util {
namespace unittests {

/**
 * @short Checks that a process terminates correctly.
 * Waits for a process to terminate (with a short timeout, this should be
 * used whan the process is about tu terminate) and checks its exit code.
 *
 * @return True if the process terminates with 0, false otherwise.
 * @param process The ID of process to wait for.
 */
bool
process_ok(pid_t process);

pid_t
provide_input(int *read_pipe, const void *input, const size_t length);

pid_t
check_output(int *write_pipe, const void *output, const size_t length);

} // End of the namespace
}
}

#endif // __UTIL_UNITTESTS_FORK_H