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--- a/src/core/lib/iomgr/ev_epoll1_linux.cc (index)
+++ b/src/core/lib/iomgr/ev_epoll1_linux.cc (working tree)
@@ -60,6 +60,7 @@
#include "src/core/lib/iomgr/wakeup_fd_posix.h"
static grpc_wakeup_fd global_wakeup_fd;
+static bool g_is_shutdown = true;
//******************************************************************************
// Singleton epoll set related fields
@@ -1230,6 +1231,7 @@ static void shutdown_engine(void) {
gpr_mu_destroy(&fork_fd_list_mu);
grpc_core::Fork::SetResetChildPollingEngineFunc(nullptr);
}
+ g_is_shutdown = true;
}
static bool init_epoll1_linux();
@@ -1281,10 +1280,13 @@
is_any_background_poller_thread,
/* name = */ "epoll1",
- /* check_engine_available = */ [](bool) { return init_epoll1_linux(); },
- /* init_engine = */ []() {},
+ /* check_engine_available = */
+ [](bool) { return init_epoll1_linux(); },
+ /* init_engine = */
+ []() { GPR_ASSERT(init_epoll1_linux()); },
shutdown_background_closure,
- /* shutdown_engine = */ []() {},
+ /* shutdown_engine = */
+ []() { shutdown_engine(); },
add_closure_to_background_poller,
fd_set_pre_allocated,
@@ -1309,6 +1311,7 @@
// Create epoll_fd (epoll_set_init() takes care of that) to make sure epoll
// support is available
static bool init_epoll1_linux() {
+ if (!g_is_shutdown) return true;
if (!grpc_has_wakeup_fd()) {
gpr_log(GPR_ERROR, "Skipping epoll1 because of no wakeup fd.");
return false;
@@ -1317,6 +1323,7 @@ static bool init_epoll1_linux() {
grpc_core::Fork::SetResetChildPollingEngineFunc(
reset_event_manager_on_fork);
}
+ g_is_shutdown = false;
return true;
}
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