int test1() {
int child = fork();
int i;
data_t* smem;
pid_t mypid;
int cooloffs = 5;
sched_param_t params = {1, 50, cooloffs};
int status;
int counter = 0;
if (child != 0) {
smem = (data_t*)make_shared(sizeof(data_t), 1);
smem->curr = 0;
mypid = getpid();
ASSERT_POSITIVE(mypid);
nice(1); // be nicer than child
ASSERT_ZERO(sched_setscheduler(mypid, SCHED_SHORT, ¶ms));
ASSERT_EQUALS(sched_setscheduler(mypid, SCHED_SHORT, ¶ms), -1);
ASSERT_EQUALS(errno, EPERM);
ASSERT_EQUALS(is_SHORT(mypid), 1);
smem->arr[smem->curr] = FATHER+0; // init value
ASSERT_ZERO(sched_setscheduler(child, SCHED_SHORT, ¶ms)); // now we lost control until child will be overdue
// child got into overdue. we gained control again. we should still be short here.
smem->arr[++smem->curr] = FATHER+1;
while (is_SHORT(mypid)) ;
smem->arr[++smem->curr] = FATHER+(1*10)+OVERDUE_PERIOD; // got into first overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), cooloffs-1);
for (i = 1; i <= cooloffs; ++i) {
while (!is_SHORT(mypid)) ;
smem->arr[++smem->curr] = FATHER+(i*10); // got out of overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), cooloffs-i);
while (is_SHORT(mypid)) ;
smem->arr[++smem->curr] = FATHER+((i+1)*10)+OVERDUE_PERIOD; // got into overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), max(cooloffs-(i+1), 0));
}
// now should be overdue forever
ASSERT_ZERO(remaining_cooloffs(mypid));
waitpid(child, &status, 0);
// use `gcc -DVERBOSE ...` in order to print the array state
if (IS_VERBOSE()) {
for (i = 0; i <= 24; i++) {
printf("%d:\t%d\n", i, smem->arr[i]);
}
}
// check array
ASSERT_EQUALS(smem->arr[0], FATHER+0);
ASSERT_EQUALS(smem->arr[1], SON+0);
ASSERT_EQUALS(smem->arr[2], FATHER+1);
ASSERT_EQUALS(smem->arr[3], SON+10+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[4], SON+10);
ASSERT_EQUALS(smem->arr[5], FATHER+10+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[6], FATHER+10);
ASSERT_EQUALS(smem->arr[7], SON+20+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[8], SON+20);
ASSERT_EQUALS(smem->arr[9], FATHER+20+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[10], FATHER+20);
ASSERT_EQUALS(smem->arr[11], SON+30+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[12], SON+30);
ASSERT_EQUALS(smem->arr[13], FATHER+30+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[14], FATHER+30);
ASSERT_EQUALS(smem->arr[15], SON+40+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[16], SON+40);
ASSERT_EQUALS(smem->arr[17], FATHER+40+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[18], FATHER+40);
ASSERT_EQUALS(smem->arr[19], SON+50+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[20], SON+50);
ASSERT_EQUALS(smem->arr[21], FATHER+50+OVERDUE_PERIOD);
ASSERT_EQUALS(smem->arr[22], FATHER+50);
ASSERT_EQUALS(smem->arr[23], SON+60+OVERDUE_PERIOD); // son finished
ASSERT_EQUALS(smem->arr[24], FATHER+60+OVERDUE_PERIOD);
return 1;
} else {
pid_t mypid = getpid();
ASSERT_POSITIVE(mypid);
while (is_SHORT(mypid) != 1) ;
data_t* smem = (data_t*)make_shared(sizeof(data_t), 0);
smem->arr[++smem->curr] = SON+0; // this is the first SHORT time slice
while (is_SHORT(mypid)) ;
smem->arr[++smem->curr] = SON+(1*10)+OVERDUE_PERIOD; // got into first overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), cooloffs-1);
for (i = 1; i <= cooloffs; ++i) {
while (!is_SHORT(mypid)) ;
smem->arr[++smem->curr] = SON+(i*10); // got out of overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), cooloffs-i);
while (is_SHORT(mypid)) ;
smem->arr[++smem->curr] = SON+((i+1)*10)+OVERDUE_PERIOD; // got into overdue period
ASSERT_EQUALS(remaining_cooloffs(mypid), max(cooloffs-(i+1), 0));
}
// now should be overdue forever
ASSERT_ZERO(remaining_cooloffs(mypid));
exit(0);
}
return 0;
}
void line_of_centers_analyze(const line_of_centers_t& loc, real omega, std::pair<real, real>& rho1_max, std::pair<real, real>& rho2_max,
std::pair<real, real>& l1_phi, std::pair<real, real>& l2_phi, std::pair<real, real>& l3_phi, real& rho1_phi, real& rho2_phi) {
for (auto& l : loc) {
ASSERT_NONAN(l.first);
for (integer f = 0; f != NF + NGF; ++f) {
ASSERT_NONAN(l.second[f]);
}
}
rho1_max.second = rho2_max.second = 0.0;
integer rho1_maxi, rho2_maxi;
/// printf( "LOCSIZE %i\n", loc.size());
for (integer i = 0; i != loc.size(); ++i) {
const real x = loc[i].first;
const real rho = loc[i].second[rho_i];
const real pot = loc[i].second[pot_i];
// printf( "%e %e\n", x, rho);
if (rho1_max.second < rho) {
// printf( "!\n");
rho1_max.second = rho;
rho1_max.first = x;
rho1_maxi = i;
real phi_eff = pot / ASSERT_POSITIVE(rho) - 0.5 * x * x * omega * omega;
rho1_phi = phi_eff;
}
}
for (integer i = 0; i != loc.size(); ++i) {
const real x = loc[i].first;
if (x * rho1_max.first < 0.0) {
const real rho = loc[i].second[rho_i];
const real pot = loc[i].second[pot_i];
if (rho2_max.second < rho) {
rho2_max.second = rho;
rho2_max.first = x;
rho2_maxi = i;
real phi_eff = pot / ASSERT_POSITIVE(rho) - 0.5 * x * x * omega * omega;
rho2_phi = phi_eff;
}
}
}
l1_phi.second = -std::numeric_limits < real > ::max();
l2_phi.second = -std::numeric_limits < real > ::max();
l3_phi.second = -std::numeric_limits < real > ::max();
for (integer i = 0; i != loc.size(); ++i) {
const real x = loc[i].first;
const real rho = loc[i].second[rho_i];
const real pot = loc[i].second[pot_i];
real phi_eff = pot / ASSERT_POSITIVE(rho) - 0.5 * x * x * omega * omega;
if (x > std::min(rho1_max.first, rho2_max.first) && x < std::max(rho1_max.first, rho2_max.first)) {
if (phi_eff > l1_phi.second) {
l1_phi.second = phi_eff;
l1_phi.first = x;
}
} else if (std::abs(x) > std::abs(rho2_max.first) && x * rho2_max.first > 0.0) {
if (phi_eff > l2_phi.second) {
l2_phi.second = phi_eff;
l2_phi.first = x;
}
} else if (std::abs(x) > std::abs(rho1_max.first)) {
if (phi_eff > l3_phi.second) {
l3_phi.second = phi_eff;
l3_phi.first = x;
}
}
}
}