archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-17 17:44:40 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8234562: Move OrderAccess::release_store*/load_acquire to Atomic

Browse source 
Reviewed-by: rehn, dholmes
This commit is contained in:
Stefan Karlsson 2019-11-25 12:22:13 +01:00
parent e06c17ce33
commit e527ce4b57
97 changed files with 554 additions and 570 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/hotspot/share/runtime/safepoint.cpp
View file

@ -328,7 +328,7 @@ void SafepointSynchronize::arm_safepoint() {
assert((_safepoint_counter & 0x1) == 0, "must be even");
// The store to _safepoint_counter must happen after any stores in arming.
OrderAccess::release_store(&_safepoint_counter, _safepoint_counter + 1);
Atomic::release_store(&_safepoint_counter, _safepoint_counter + 1);
// We are synchronizing
OrderAccess::storestore(); // Ordered with _safepoint_counter
@ -482,7 +482,7 @@ void SafepointSynchronize::disarm_safepoint() {
// Set the next dormant (even) safepoint id.
assert((_safepoint_counter & 0x1) == 1, "must be odd");
OrderAccess::release_store(&_safepoint_counter, _safepoint_counter + 1);
Atomic::release_store(&_safepoint_counter, _safepoint_counter + 1);
OrderAccess::fence(); // Keep the local state from floating up.
@ -968,15 +968,15 @@ void ThreadSafepointState::destroy(JavaThread *thread) {
}
uint64_t ThreadSafepointState::get_safepoint_id() const {
return OrderAccess::load_acquire(&_safepoint_id);
return Atomic::load_acquire(&_safepoint_id);
}
void ThreadSafepointState::reset_safepoint_id() {
OrderAccess::release_store(&_safepoint_id, SafepointSynchronize::InactiveSafepointCounter);
Atomic::release_store(&_safepoint_id, SafepointSynchronize::InactiveSafepointCounter);
}
void ThreadSafepointState::set_safepoint_id(uint64_t safepoint_id) {
OrderAccess::release_store(&_safepoint_id, safepoint_id);
Atomic::release_store(&_safepoint_id, safepoint_id);
}
void ThreadSafepointState::examine_state_of_thread(uint64_t safepoint_count) {