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Make sure we reset terminal config also on exception

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This commit is contained in:
Dennis Klein 2018-10-10 19:00:02 +02:00 committed by Dennis Klein
parent a78d35d90d
commit 9f325451e5
1 changed files with 23 additions and 10 deletions
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33
fairmq/plugins/Control.cxx
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@ -113,6 +113,27 @@ auto ControlPluginProgramOptions() -> Plugin::ProgOptions
return pluginOptions;
}
struct terminal_config
{
terminal_config()
{
termios t;
tcgetattr(STDIN_FILENO, &t); // get the current terminal I/O structure
t.c_lflag &= ~ICANON; // disable canonical input
t.c_lflag &= ~ECHO; // do not echo input chars
tcsetattr(STDIN_FILENO, TCSANOW, &t); // apply the new settings
}
~terminal_config()
{
termios t;
tcgetattr(STDIN_FILENO, &t); // get the current terminal I/O structure
t.c_lflag |= ICANON; // re-enable canonical input
t.c_lflag |= ECHO; // echo input chars
tcsetattr(STDIN_FILENO, TCSANOW, &t); // apply the new settings
}
};
auto Control::InteractiveMode() -> void
try
{
@ -122,12 +143,9 @@ try
pollfd cinfd[1];
cinfd[0].fd = fileno(stdin);
cinfd[0].events = POLLIN;
cinfd[0].revents = 0;
struct termios t;
tcgetattr(STDIN_FILENO, &t); // get the current terminal I/O structure
t.c_lflag &= ~ICANON; // disable canonical input
t.c_lflag &= ~ECHO; // do not echo input chars
tcsetattr(STDIN_FILENO, TCSANOW, &t); // apply the new settings
terminal_config tconfig;
PrintInteractiveHelp();
@ -220,11 +238,6 @@ try
}
}
tcgetattr(STDIN_FILENO, &t); // get the current terminal I/O structure
t.c_lflag |= ICANON; // re-enable canonical input
t.c_lflag |= ECHO; // echo input chars
tcsetattr(STDIN_FILENO, TCSANOW, &t); // apply the new settings
RunShutdownSequence();
}
catch (PluginServices::DeviceControlError& e)