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clover: Implement locking of the wait_count, _chain and _status members of event.

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Tested-by: Tom Stellard <thomas.stellard@amd.com>
CC: 10.5 <mesa-stable@lists.freedesktop.org>
(cherry picked from commit a533d4edf1)
This commit is contained in:
Francisco Jerez 2015-05-09 16:01:23 +03:00 • committed by Emil Velikov
parent b4045dd5e9
commit 907ee1494f
1 changed files with 8 additions and 0 deletions
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8
src/gallium/state_trackers/clover/core/event.cpp
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@ -38,6 +38,7 @@ event::~event() {
std::vector<intrusive_ref<event>>
event::trigger_self() {
std::lock_guard<std::mutex> lock(mutex);
std::vector<intrusive_ref<event>> evs;
if (!--wait_count)
@ -61,6 +62,7 @@ event::trigger() {
std::vector<intrusive_ref<event>>
event::abort_self(cl_int status) {
std::lock_guard<std::mutex> lock(mutex);
std::vector<intrusive_ref<event>> evs;
_status = status;
@ -81,16 +83,22 @@ event::abort(cl_int status) {
bool
event::signalled() const {
std::lock_guard<std::mutex> lock(mutex);
return !wait_count;
}
cl_int
event::status() const {
std::lock_guard<std::mutex> lock(mutex);
return _status;
}
void
event::chain(event &ev) {
std::unique_lock<std::mutex> lock(mutex, std::defer_lock);
std::unique_lock<std::mutex> lock_ev(ev.mutex, std::defer_lock);
std::lock(lock, lock_ev);
if (wait_count) {
ev.wait_count++;
_chain.push_back(ev);