epee: readline_buffer - fix thread safety, fix sync() after stop()
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8b3b106ad1
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60bc676c14
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@ -51,6 +51,7 @@ rdln::readline_buffer::readline_buffer()
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void rdln::readline_buffer::start()
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{
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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if(m_cout_buf != NULL)
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return;
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m_cout_buf = std::cout.rdbuf();
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@ -60,6 +61,7 @@ void rdln::readline_buffer::start()
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void rdln::readline_buffer::stop()
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{
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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if(m_cout_buf == NULL)
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return;
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std::cout.rdbuf(m_cout_buf);
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@ -88,9 +90,9 @@ rdln::linestatus rdln::readline_buffer::get_line(std::string& line) const
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void rdln::readline_buffer::set_prompt(const std::string& prompt)
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{
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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if(m_cout_buf == NULL)
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return;
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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rl_set_prompt(std::string(m_prompt_length, ' ').c_str());
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rl_redisplay();
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rl_set_prompt(prompt.c_str());
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@ -113,6 +115,12 @@ const std::vector<std::string>& rdln::readline_buffer::get_completions()
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int rdln::readline_buffer::sync()
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{
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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if (m_cout_buf == nullptr)
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{
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return -1;
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}
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#if RL_READLINE_VERSION < 0x0700
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char lbuf[2] = {0,0};
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char *line = NULL;
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