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fix(custom): close endless scripts

This commit is contained in:
Alexis 2018-12-08 12:58:47 +01:00
parent 7befd27059
commit 1b13f9e38c
2 changed files with 17 additions and 6 deletions
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2
include/modules/custom.hpp
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@ -12,6 +12,7 @@ namespace waybar::modules {
class Custom : public ALabel { class Custom : public ALabel {
public: public:
Custom(const std::string, const Json::Value&); Custom(const std::string, const Json::Value&);
~Custom();
auto update() -> void; auto update() -> void;
private: private:
void delayWorker(); void delayWorker();
@ -27,6 +28,7 @@ class Custom : public ALabel {
waybar::util::SleeperThread thread_; waybar::util::SleeperThread thread_;
waybar::util::command::res output_; waybar::util::command::res output_;
waybar::util::JsonParser parser_; waybar::util::JsonParser parser_;
FILE* fp_;
}; };
} }

21
src/modules/custom.cpp
View File

@ -2,7 +2,7 @@
waybar::modules::Custom::Custom(const std::string name, waybar::modules::Custom::Custom(const std::string name,
const Json::Value& config) const Json::Value& config)
: ALabel(config, "{}"), name_(name) : ALabel(config, "{}"), name_(name), fp_(nullptr)
{ {
if (config_["exec"].isString()) { if (config_["exec"].isString()) {
if (interval_.count() > 0) { if (interval_.count() > 0) {
@ -15,6 +15,14 @@ waybar::modules::Custom::Custom(const std::string name,
} }
} }
waybar::modules::Custom::~Custom()
{
if (fp_) {
pclose(fp_);
fp_ = nullptr;
}
}
void waybar::modules::Custom::delayWorker() void waybar::modules::Custom::delayWorker()
{ {
thread_ = [this] { thread_ = [this] {
@ -38,15 +46,16 @@ void waybar::modules::Custom::delayWorker()
void waybar::modules::Custom::continuousWorker() void waybar::modules::Custom::continuousWorker()
{ {
auto cmd = config_["exec"].asString(); auto cmd = config_["exec"].asString();
FILE* fp(popen(cmd.c_str(), "r")); fp_ = popen(cmd.c_str(), "r");
if (!fp) { if (!fp_) {
throw std::runtime_error("Unable to open " + cmd); throw std::runtime_error("Unable to open " + cmd);
} }
thread_ = [this, fp] { thread_ = [this] {
char* buff = nullptr; char* buff = nullptr;
size_t len = 0; size_t len = 0;
if (getline(&buff, &len, fp) == -1) { if (getline(&buff, &len, fp_) == -1) {
pclose(fp); pclose(fp_);
fp_ = nullptr;
thread_.stop(); thread_.stop();
output_ = { 1, "" }; output_ = { 1, "" };
std::cerr << name_ + " just stopped, is it endless?" << std::endl; std::cerr << name_ + " just stopped, is it endless?" << std::endl;