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AP_HAL_Linux: UARTDevice: never be the controlling terminal

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If we are the controlling terminal for a tty device we will receive a
SIGHUP when the device disappears. Currently what happens is that we
simply stop the whole process. We don't want to fall off the sky due
to a bad device. This can happen for any reason, but it's more likely
if the UART is behind a USB connection.
This commit is contained in:
Lucas De Marchi 2017-09-27 16:44:56 -07:00
parent 42add82e1a
commit 4d5aed1d69
1 changed files with 1 additions and 1 deletions
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2
libraries/AP_HAL_Linux/UARTDevice.cpp
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@ -33,7 +33,7 @@ bool UARTDevice::close()
bool UARTDevice::open()
{
_fd = ::open(_device_path, O_RDWR | O_CLOEXEC);
_fd = ::open(_device_path, O_RDWR | O_CLOEXEC | O_NOCTTY);
if (_fd < 0) {
::fprintf(stderr, "Failed to open UART device %s - %s\n",