esp_modem: Moved to component folder

components/esp_modem/src/esp_modem_primitives_linux.cpp

@@ -0,0 +1,91 @@
+// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <condition_variable>
+#include <unistd.h>
+#include "cxx_include/esp_modem_primitives.hpp"
+
+namespace esp_modem {
+
+struct SignalGroupInternal {
+    std::condition_variable notify;
+    std::mutex m;
+    uint32_t flags{ 0 };
+};
+
+
+SignalGroup::SignalGroup(): event_group(std::make_unique<SignalGroupInternal>())
+{
+}
+
+void SignalGroup::set(uint32_t bits)
+{
+    std::unique_lock<std::mutex> lock(event_group->m);
+    event_group->flags |= bits;
+    event_group->notify.notify_all();
+}
+
+void SignalGroup::clear(uint32_t bits)
+{
+    std::unique_lock<std::mutex> lock(event_group->m);
+    event_group->flags &= ~bits;
+    event_group->notify.notify_all();
+}
+
+bool SignalGroup::wait(uint32_t flags, uint32_t time_ms)
+{
+    std::unique_lock<std::mutex> lock(event_group->m);
+    return event_group->notify.wait_for(lock, std::chrono::milliseconds(time_ms), [&]{
+        if ((flags&event_group->flags) == flags) {
+            event_group->flags &= ~flags;
+            return true;
+        }
+        return false;
+    });
+//    return ret != std::cv_status::timeout;
+//    , [&]{return flags&event_group->flags; });
+}
+
+bool SignalGroup::is_any(uint32_t flags)
+{
+    std::unique_lock<std::mutex> lock(event_group->m);
+    return flags&event_group->flags;
+}
+
+bool SignalGroup::wait_any(uint32_t flags, uint32_t time_ms)
+{
+    std::unique_lock<std::mutex> lock(event_group->m);
+    return event_group->notify.wait_for(lock, std::chrono::milliseconds(time_ms), [&]{ return flags&event_group->flags; });
+}
+
+SignalGroup::~SignalGroup() = default;
+
+Task::Task(size_t stack_size, size_t priority, void *task_param, TaskFunction_t task_function)
+{
+    task_handle = std::thread(task_function, task_param);
+}
+
+Task::~Task()
+{
+    task_handle.join();
+}
+
+void Task::Delete() {}
+
+void Task::Relinquish()
+{
+    usleep(0);
+}
+
+} // namespace esp_modem