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pull/3786/head
Craig Tiller 9 years ago
parent ce1f19e531
commit 44011e8ab3
  1. 25
      src/core/iomgr/pollset_posix.c

@ -101,9 +101,12 @@ static void push_front_worker(grpc_pollset *p, grpc_pollset_worker *worker) {
void grpc_pollset_kick_ext(grpc_pollset *p,
grpc_pollset_worker *specific_worker,
gpr_uint32 flags) {
GRPC_TIMER_BEGIN("grpc_pollset_kick_ext", 0);
/* pollset->mu already held */
if (specific_worker != NULL) {
if (specific_worker == GRPC_POLLSET_KICK_BROADCAST) {
GRPC_TIMER_BEGIN("grpc_pollset_kick_ext.broadcast", 0);
GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
for (specific_worker = p->root_worker.next;
specific_worker != &p->root_worker;
@ -111,44 +114,50 @@ void grpc_pollset_kick_ext(grpc_pollset *p,
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
}
p->kicked_without_pollers = 1;
return;
GRPC_TIMER_END("grpc_pollset_kick_ext.broadcast", 0);
} else if (gpr_tls_get(&g_current_thread_worker) !=
(gpr_intptr)specific_worker) {
GRPC_TIMER_MARK("different_thread_worker", 0);
if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
specific_worker->reevaluate_polling_on_wakeup = 1;
}
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
return;
} else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
GRPC_TIMER_MARK("kick_yoself", 0);
if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
specific_worker->reevaluate_polling_on_wakeup = 1;
}
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
return;
}
} else if (gpr_tls_get(&g_current_thread_poller) != (gpr_intptr)p) {
GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
GRPC_TIMER_MARK("kick_anonymous", 0);
specific_worker = pop_front_worker(p);
if (specific_worker != NULL) {
if (gpr_tls_get(&g_current_thread_worker) ==
(gpr_intptr)specific_worker) {
GRPC_TIMER_MARK("kick_anonymous_not_self", 0);
push_back_worker(p, specific_worker);
specific_worker = pop_front_worker(p);
if ((flags & GRPC_POLLSET_CAN_KICK_SELF) == 0 &&
gpr_tls_get(&g_current_thread_worker) ==
(gpr_intptr)specific_worker) {
push_back_worker(p, specific_worker);
return;
specific_worker = NULL;
}
}
push_back_worker(p, specific_worker);
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
return;
if (specific_worker != NULL) {
GRPC_TIMER_MARK("finally_kick", 0);
push_back_worker(p, specific_worker);
grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
}
} else {
GRPC_TIMER_MARK("kicked_no_pollers", 0);
p->kicked_without_pollers = 1;
return;
}
}
GRPC_TIMER_END("grpc_pollset_kick_ext", 0);
}
void grpc_pollset_kick(grpc_pollset *p, grpc_pollset_worker *specific_worker) {

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