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update(userspace/falco): improve stdout buffering

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Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
This commit is contained in:
Leonardo Grasso
2020-09-29 11:28:59 +02:00
committed by poiana
parent b75166ff60
commit 17685eaa3c
1 changed files with 8 additions and 2 deletions
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10
userspace/falco/outputs_stdout.cpp
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@@ -26,11 +26,17 @@ void falco::outputs::output_stdout::output_event(gen_event *evt, std::string &ru
void falco::outputs::output_stdout::output_msg(falco_common::priority_type priority, std::string &msg)
{
std::cout << msg + "\n";
//
// By default, the stdout stream is fully buffered or line buffered
// (if the stream can be determined to refer to an interactive device, e.g. in a TTY).
// Just enable automatic flushing when unbuffered output is desired.
// Note that it is set every time since other writings to the stdout can disable it.
//
if(!m_buffered)
{
std::cout.flush();
std::cout << std::unitbuf;
}
std::cout << msg + "\n";
}
void falco::outputs::output_stdout::cleanup()