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Avoid tight loop on lock file access failure

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Bill Somerville 2021-02-14 13:14:37 +00:00
parent dacd534284
commit f31a4efbee
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1 changed files with 5 additions and 2 deletions
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7
main.cpp
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@ -225,8 +225,7 @@ int main(int argc, char *argv[])
// disallow multiple instances with same instance key // disallow multiple instances with same instance key
QLockFile instance_lock {temp_dir.absoluteFilePath (a.applicationName () + ".lock")}; QLockFile instance_lock {temp_dir.absoluteFilePath (a.applicationName () + ".lock")};
instance_lock.setStaleLockTime (0); instance_lock.setStaleLockTime (0);
bool lock_ok {false}; while (!instance_lock.tryLock ())
while (!(lock_ok = instance_lock.tryLock ()))
{ {
if (QLockFile::LockFailedError == instance_lock.error ()) if (QLockFile::LockFailedError == instance_lock.error ())
{ {
@ -249,6 +248,10 @@ int main(int argc, char *argv[])
throw std::runtime_error {"Multiple instances must have unique rig names"}; throw std::runtime_error {"Multiple instances must have unique rig names"};
} }
} }
else
{
throw std::runtime_error {"Failed to access lock file"};
}
} }
// load UI translations // load UI translations