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test: jitter testcase (squashed major refine).

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This commit is contained in:
Leo Yuriev
2017-04-21 18:41:11 +03:00
parent 101e015d2c
commit f3e31a74ee
12 changed files with 454 additions and 268 deletions
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38
test/osal-unix.cc
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@@ -24,11 +24,11 @@
struct shared_t {
pthread_barrier_t barrier;
pthread_mutex_t mutex;
pthread_cond_t conds[0];
size_t conds_size;
pthread_cond_t conds[1];
};
static shared_t *shared;
static std::unordered_map<unsigned, pthread_cond_t *> events;
void osal_wait4barrier(void) {
assert(shared != nullptr && shared != MAP_FAILED);
@@ -65,13 +65,8 @@ void osal_setup(const std::vector<actor_config> &actors) {
if (rc)
failure_perror("pthread_condattr_setpshared()", rc);
size_t n = 0;
for (const auto &a : actors)
if (a.wanna_event4signalling())
++n;
shared = (shared_t *)mmap(
nullptr, sizeof(shared_t) + n * sizeof(pthread_cond_t),
nullptr, sizeof(shared_t) + actors.size() * sizeof(pthread_cond_t),
PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
if (MAP_FAILED == (void *)shared)
failure_perror("mmap(shared_conds)", errno);
@@ -84,24 +79,15 @@ void osal_setup(const std::vector<actor_config> &actors) {
if (rc)
failure_perror("pthread_barrier_init(shared)", rc);
auto a = actors.begin();
const size_t n = actors.size() + 1;
for (size_t i = 0; i < n; ++i) {
pthread_cond_t *event = &shared->conds[i];
rc = pthread_cond_init(event, &condattr);
if (rc)
failure_perror("pthread_cond_init(shared)", rc);
unsigned id = 0;
while (a != actors.end()) {
if (a->wanna_event4signalling()) {
id = a->id;
break;
}
++a;
}
assert(id != 0);
events[id] = event;
log_trace("osal_setup: event(shared pthread_cond) %zu -> %p", i, event);
}
shared->conds_size = actors.size() + 1;
pthread_barrierattr_destroy(&barrierattr);
pthread_condattr_destroy(&condattr);
@@ -110,7 +96,10 @@ void osal_setup(const std::vector<actor_config> &actors) {
void osal_broadcast(unsigned id) {
assert(shared != nullptr && shared != MAP_FAILED);
int rc = pthread_cond_broadcast(events.at(id));
log_trace("osal_broadcast: event %u", id);
if (id >= shared->conds_size)
failure("osal_broadcast: id > limit");
int rc = pthread_cond_broadcast(shared->conds + id);
if (rc)
failure_perror("sem_post(shared)", rc);
}
@@ -118,11 +107,15 @@ void osal_broadcast(unsigned id) {
int osal_waitfor(unsigned id) {
assert(shared != nullptr && shared != MAP_FAILED);
log_trace("osal_waitfor: event %u", id);
if (id >= shared->conds_size)
failure("osal_waitfor: id > limit");
int rc = pthread_mutex_lock(&shared->mutex);
if (rc != 0)
failure_perror("pthread_mutex_lock(shared)", rc);
rc = pthread_cond_wait(events.at(id), &shared->mutex);
rc = pthread_cond_wait(shared->conds + id, &shared->mutex);
if (rc && rc != EINTR)
failure_perror("pthread_cond_wait(shared)", rc);
@@ -173,6 +166,7 @@ int osal_actor_start(const actor_config &config, mdbx_pid_t &pid) {
if (pid < 0)
return errno;
log_trace("osal_actor_start: fork pid %i for %u", pid, config.actor_id);
childs[pid] = as_running;
return 0;
}