Function assertAllNodesAgreeThat

quest/src/core/validation.cpp:1324–1348

}

void assertAllNodesAgreeThat(bool valid, string msg, tokenSubs vars, const char* func) {

    // avoid communication if validation not enabled anyway
    if (!global_isValidationEnabled)
        return;

    // this function seeks consensus among distributed nodes before validation,
    // to ensure all nodes fail together (and ergo all validly finalize MPI)
    // when performing validation that may be non-uniform between nodes. For
    // example, mallocs may succeed on one node but fail on another due to
    // inhomogeneous loads.
    if (comm_isInit())
        valid = comm_isTrueOnAllNodes(valid);

    // prepare error message only if validation will fail
    if (!valid)
        if (!vars.empty())
            msg = getStringWithSubstitutedVars(msg, vars);

    // commenting out the top if-statement above (preserving the bottom one)
    // is convenient during development, since it ensures that even validation
    // which passed has a correctly formatted error message, else errors.

    assertThat(valid, msg, func);
}
void assertAllNodesAgreeThat(bool valid, string msg, const char* func) {

    assertAllNodesAgreeThat(valid, msg, {}, func);