1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/host_function_worker_counting_semaphore.h"
namespace NEO {
HostFunctionWorkerCountingSemaphore::HostFunctionWorkerCountingSemaphore(bool skipHostFunctionExecution, const std::function<void(GraphicsAllocation &)> &downloadAllocationImpl, GraphicsAllocation *allocation, HostFunctionData *data)
: IHostFunctionWorker(skipHostFunctionExecution, downloadAllocationImpl, allocation, data) {
}
HostFunctionWorkerCountingSemaphore::~HostFunctionWorkerCountingSemaphore() = default;
void HostFunctionWorkerCountingSemaphore::start() {
std::lock_guard<std::mutex> lg{workerMutex};
if (!worker) {
worker = std::make_unique<std::jthread>([this](std::stop_token st) {
this->workerLoop(std::move(st));
});
}
}
void HostFunctionWorkerCountingSemaphore::finish() {
std::lock_guard<std::mutex> lg{workerMutex};
if (worker) {
worker->request_stop();
semaphore.release();
worker.reset(nullptr);
}
}
void HostFunctionWorkerCountingSemaphore::submit() noexcept {
semaphore.release();
}
void HostFunctionWorkerCountingSemaphore::workerLoop(std::stop_token st) noexcept {
while (true) {
semaphore.acquire();
if (st.stop_requested()) [[unlikely]] {
return;
}
bool success = runHostFunction(st);
if (!success) [[unlikely]] {
return;
}
}
}
} // namespace NEO
|
