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
|
/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/host_function_worker_counting_semaphore.h"
#include "shared/source/command_stream/host_function.h"
namespace NEO {
HostFunctionWorkerCountingSemaphore::HostFunctionWorkerCountingSemaphore(bool skipHostFunctionExecution)
: HostFunctionSingleWorker(skipHostFunctionExecution) {
}
HostFunctionWorkerCountingSemaphore::~HostFunctionWorkerCountingSemaphore() = default;
void HostFunctionWorkerCountingSemaphore::start(HostFunctionStreamer *streamer) {
std::lock_guard<std::mutex> lg{workerMutex};
this->streamer = streamer;
if (!worker) {
worker = std::make_unique<std::jthread>([this](std::stop_token st) {
this->workerLoop(st);
});
}
}
void HostFunctionWorkerCountingSemaphore::finish() {
std::lock_guard<std::mutex> lg{workerMutex};
if (worker) {
worker->request_stop();
semaphore.release();
worker.reset(nullptr);
}
}
void HostFunctionWorkerCountingSemaphore::submit(uint32_t nHostFunctions) noexcept {
semaphore.release(static_cast<ptrdiff_t>(nHostFunctions));
}
void HostFunctionWorkerCountingSemaphore::workerLoop(std::stop_token st) noexcept {
while (st.stop_requested() == false) {
semaphore.acquire();
processNextHostFunction(st);
}
}
} // namespace NEO
|
