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Added multi-threaded progress bar example

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This commit is contained in:
Pranav Srinivas KumaR
2019-12-03 20:14:05 -06:00
parent 6e7926bd96
commit e5bb15e0ba
2 changed files with 28 additions and 13 deletions
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19
include/progress/bar.hpp
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@@ -15,7 +15,7 @@ class ProgressBar {
std::string _remainder{"-"};
std::string _end{" ]"};
std::mutex _mutex;
bool _completed;
std::atomic<bool> _completed;
void _print_progress() {
std::unique_lock<std::mutex> lock{_mutex};
@@ -29,6 +29,8 @@ class ProgressBar {
std::cout << _end << " " << static_cast<int>(_progress) << "%";
std::cout << " " << _name << "\r";
std::cout.flush();
if (_completed)
std::cout << std::endl;
}
public:
@@ -64,19 +66,18 @@ public:
}
void set_progress(float value) {
std::unique_lock<std::mutex> lock{_mutex};
if (_completed) return;
_progress = value;
if (static_cast<int>(_progress) == 100) {
_completed = true;
{
std::unique_lock<std::mutex> lock{_mutex};
if (_completed) return;
_progress = value;
if (static_cast<int>(_progress) == 100) {
_completed = true;
}
}
_print_progress();
if (_completed)
std::cout << std::endl;
}
void tick() {
std::unique_lock<std::mutex> lock{_mutex};
if (_completed) return;
set_progress(_progress + 1);
}