void
prot() {
if (++caught == n) {
caught = 0;
n = benchmp_interval(benchmp_getstate());
}
}
static void interval(int x)
{
if (++caught == n) {
caught = 0;
n = benchmp_interval(benchmp_getstate());
}
setitimer(ITIMER_REAL, &value, NULL);
}
void
benchmp_child(benchmp_f initialize,
benchmp_f benchmark,
benchmp_f cleanup,
int childid,
int response,
int start_signal,
int result_signal,
int exit_signal,
int enough,
iter_t iterations,
int parallel,
int repetitions,
void* cookie
)
{
iter_t iterations_batch = (parallel > 1) ? get_n() : 1;
_benchmp_child_state.state = warmup;
_benchmp_child_state.initialize = initialize;
_benchmp_child_state.benchmark = benchmark;
_benchmp_child_state.cleanup = cleanup;
_benchmp_child_state.childid = childid;
_benchmp_child_state.response = response;
_benchmp_child_state.start_signal = start_signal;
_benchmp_child_state.result_signal = result_signal;
_benchmp_child_state.exit_signal = exit_signal;
_benchmp_child_state.enough = enough;
_benchmp_child_state.iterations = iterations;
_benchmp_child_state.iterations_batch = iterations_batch;
_benchmp_child_state.parallel = parallel;
_benchmp_child_state.repetitions = repetitions;
_benchmp_child_state.cookie = cookie;
_benchmp_child_state.need_warmup = 1;
_benchmp_child_state.i = 0;
_benchmp_child_state.r_size = sizeof_result(repetitions);
_benchmp_child_state.r = (result_t*)malloc(_benchmp_child_state.r_size);
if (!_benchmp_child_state.r) return;
insertinit(_benchmp_child_state.r);
set_results(_benchmp_child_state.r);
if (benchmp_sigchld_handler != SIG_DFL) {
signal(SIGCHLD, benchmp_sigchld_handler);
} else {
signal(SIGCHLD, benchmp_child_sigchld);
}
if (initialize)
(*initialize)(0, cookie);
if (benchmp_sigterm_handler != SIG_DFL) {
signal(SIGTERM, benchmp_sigterm_handler);
} else {
signal(SIGTERM, benchmp_child_sigterm);
}
if (benchmp_sigterm_received)
benchmp_child_sigterm(SIGTERM);
/* start experiments, collecting results */
insertinit(_benchmp_child_state.r);
while (1) {
(*benchmark)(benchmp_interval(&_benchmp_child_state), cookie);
}
}