85 lines
2.5 KiB
Diff
85 lines
2.5 KiB
Diff
diff --git a/examples/server/server.cpp b/examples/server/server.cpp
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index 11dd82c3..311495a8 100644
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--- a/examples/server/server.cpp
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+++ b/examples/server/server.cpp
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@@ -28,6 +28,7 @@
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#include <chrono>
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#include <condition_variable>
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#include <atomic>
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+#include <signal.h>
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using json = nlohmann::json;
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@@ -2394,6 +2395,9 @@ static void append_to_generated_text_from_generated_token_probs(llama_server_con
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}
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}
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+std::function<void(int)> shutdown_handler;
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+inline void signal_handler(int signal) { shutdown_handler(signal); }
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+
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int main(int argc, char **argv)
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{
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#if SERVER_VERBOSE != 1
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@@ -3014,8 +3018,14 @@ int main(int argc, char **argv)
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std::placeholders::_2,
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std::placeholders::_3
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));
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- llama.queue_tasks.start_loop();
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+ shutdown_handler = [&](int) {
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+ llama.queue_tasks.terminate();
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+ };
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+ signal(SIGTERM, signal_handler);
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+ signal(SIGINT, signal_handler);
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+ llama.queue_tasks.start_loop();
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+ svr.stop();
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t.join();
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llama_backend_free();
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diff --git a/examples/server/utils.hpp b/examples/server/utils.hpp
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index 70cce072..9124869a 100644
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--- a/examples/server/utils.hpp
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+++ b/examples/server/utils.hpp
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@@ -190,6 +190,7 @@ inline std::string format_chatml(std::vector<json> messages)
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struct llama_server_queue {
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int id = 0;
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std::mutex mutex_tasks;
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+ bool running;
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// queues
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std::vector<task_server> queue_tasks;
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std::vector<task_server> queue_tasks_deferred;
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@@ -248,9 +249,18 @@ struct llama_server_queue {
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queue_tasks_deferred.clear();
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}
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- // Start the main loop. This call is blocking
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- [[noreturn]]
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+ // end the start_loop routine
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+ void terminate() {
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+ {
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+ std::unique_lock<std::mutex> lock(mutex_tasks);
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+ running = false;
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+ }
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+ condition_tasks.notify_all();
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+ }
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+
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+ // Start the main loop.
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void start_loop() {
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+ running = true;
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while (true) {
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// new task arrived
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LOG_VERBOSE("have new task", {});
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@@ -294,8 +304,12 @@ struct llama_server_queue {
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{
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std::unique_lock<std::mutex> lock(mutex_tasks);
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if (queue_tasks.empty()) {
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+ if (!running) {
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+ LOG_VERBOSE("ending start_loop", {});
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+ return;
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+ }
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condition_tasks.wait(lock, [&]{
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- return !queue_tasks.empty();
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+ return (!queue_tasks.empty() || !running);
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});
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}
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}
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