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readline_buffer: fix busy wait

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It'd eat up a core constantly, due to spending its time jumping
back and forth between userland and kernel. We now wait for up
to a millisecond in kernel, which will be transparent to the user
and drop to idle most of the time.
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moneromooo-monero 2017-06-23 13:21:50 +01:00
parent ae8841f2ab
commit 8261ba69e6
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1 changed files with 1 additions and 1 deletions
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contrib/epee/src/readline_buffer.cpp
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@ -122,7 +122,7 @@ static int process_input()
struct timeval t; struct timeval t;
t.tv_sec = 0; t.tv_sec = 0;
t.tv_usec = 0; t.tv_usec = 1000;
FD_ZERO(&fds); FD_ZERO(&fds);
FD_SET(STDIN_FILENO, &fds); FD_SET(STDIN_FILENO, &fds);