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Diffstat (limited to 'src/core/lib/iomgr/ev_epollsig_linux.cc')
-rw-r--r--src/core/lib/iomgr/ev_epollsig_linux.cc38
1 files changed, 10 insertions, 28 deletions
diff --git a/src/core/lib/iomgr/ev_epollsig_linux.cc b/src/core/lib/iomgr/ev_epollsig_linux.cc
index 2189801c18..5695ac795d 100644
--- a/src/core/lib/iomgr/ev_epollsig_linux.cc
+++ b/src/core/lib/iomgr/ev_epollsig_linux.cc
@@ -137,10 +137,6 @@ struct grpc_fd {
struct grpc_fd* freelist_next;
grpc_closure* on_done_closure;
- /* The pollset that last noticed that the fd is readable. The actual type
- * stored in this is (grpc_pollset *) */
- gpr_atm read_notifier_pollset;
-
grpc_iomgr_object iomgr_object;
/* Do we need to track EPOLLERR events separately? */
@@ -845,7 +841,6 @@ static grpc_fd* fd_create(int fd, const char* name, bool track_err) {
new_fd->write_closure->InitEvent();
new_fd->error_closure->InitEvent();
new_fd->track_err = track_err;
- gpr_atm_no_barrier_store(&new_fd->read_notifier_pollset, (gpr_atm)NULL);
new_fd->freelist_next = nullptr;
new_fd->on_done_closure = nullptr;
@@ -927,11 +922,6 @@ static void fd_orphan(grpc_fd* fd, grpc_closure* on_done, int* release_fd,
GRPC_ERROR_UNREF(error);
}
-static grpc_pollset* fd_get_read_notifier_pollset(grpc_fd* fd) {
- gpr_atm notifier = gpr_atm_acq_load(&fd->read_notifier_pollset);
- return (grpc_pollset*)notifier;
-}
-
static bool fd_is_shutdown(grpc_fd* fd) {
return fd->read_closure->IsShutdown();
}
@@ -958,6 +948,12 @@ static void fd_notify_on_error(grpc_fd* fd, grpc_closure* closure) {
fd->error_closure->NotifyOn(closure);
}
+static void fd_become_readable(grpc_fd* fd) { fd->read_closure->SetReady(); }
+
+static void fd_become_writable(grpc_fd* fd) { fd->write_closure->SetReady(); }
+
+static void fd_has_errors(grpc_fd* fd) { fd->error_closure->SetReady(); }
+
/*******************************************************************************
* Pollset Definitions
*/
@@ -1115,22 +1111,6 @@ static int poll_deadline_to_millis_timeout(grpc_millis millis) {
return static_cast<int>(delta);
}
-static void fd_become_readable(grpc_fd* fd, grpc_pollset* notifier) {
- fd->read_closure->SetReady();
-
- /* Note, it is possible that fd_become_readable might be called twice with
- different 'notifier's when an fd becomes readable and it is in two epoll
- sets (This can happen briefly during polling island merges). In such cases
- it does not really matter which notifer is set as the read_notifier_pollset
- (They would both point to the same polling island anyway) */
- /* Use release store to match with acquire load in fd_get_read_notifier */
- gpr_atm_rel_store(&fd->read_notifier_pollset, (gpr_atm)notifier);
-}
-
-static void fd_become_writable(grpc_fd* fd) { fd->write_closure->SetReady(); }
-
-static void fd_has_errors(grpc_fd* fd) { fd->error_closure->SetReady(); }
-
static void pollset_release_polling_island(grpc_pollset* ps,
const char* reason) {
if (ps->po.pi != nullptr) {
@@ -1283,7 +1263,7 @@ static void pollset_work_and_unlock(grpc_pollset* pollset,
fd_has_errors(fd);
}
if (read_ev || cancel || err_fallback) {
- fd_become_readable(fd, pollset);
+ fd_become_readable(fd);
}
if (write_ev || cancel || err_fallback) {
fd_become_writable(fd);
@@ -1667,8 +1647,10 @@ static const grpc_event_engine_vtable vtable = {
fd_notify_on_read,
fd_notify_on_write,
fd_notify_on_error,
+ fd_become_readable,
+ fd_become_writable,
+ fd_has_errors,
fd_is_shutdown,
- fd_get_read_notifier_pollset,
pollset_init,
pollset_shutdown,