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src/Input/FGLinuxEventInput.cxx: don't throw if we cannot open device.

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Throwing halts execution; we now output a diagnostic and return false, and
flightgear appears ok to continue.
This commit is contained in:
Julian Smith 2021-02-21 17:09:41 +00:00
parent f3ef077730
commit c4c29f33d4
1 changed files with 7 additions and 2 deletions

9
src/Input/FGLinuxEventInput.cxx
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@ -290,8 +290,13 @@ static inline bool bitSet( unsigned char * buf, unsigned bit )
bool FGLinuxInputDevice::Open() bool FGLinuxInputDevice::Open()
{ {
if( fd != -1 ) return true; if( fd != -1 ) return true;
if( (fd = ::open( devname.c_str(), O_RDWR )) == -1 ) { if( (fd = ::open( devname.c_str(), O_RDWR )) == -1 ) {
throw std::exception(); SG_LOG( SG_INPUT, SG_ALERT, "Cannot open devname='" << devname
<< "'. errno=" << errno
<< ": " << strerror(errno)
);
//throw std::exception();
return false;
} }
if( GetGrab() && ioctl( fd, EVIOCGRAB, 2 ) == -1 ) { if( GetGrab() && ioctl( fd, EVIOCGRAB, 2 ) == -1 ) {