bool locked = false;
if( mFileDescriptor > 0 )
{
- if( lockf( mFileDescriptor, F_LOCK, 0 ) == 0 ) // Note, operation may block.
+ struct flock filelock;
+
+ filelock.l_type = F_RDLCK;
+ filelock.l_whence = SEEK_SET;
+ filelock.l_start = 0;
+ filelock.l_len = 0;
+ if( fcntl( mFileDescriptor, F_SETLKW, &filelock ) == -1 )
{
- locked = true;
+ mErrorThrown = true;
+ DALI_LOG_ERROR( "### Failed to lock with fd : %s ###\n", mFilename.c_str() );
}
else
{
- if( errno == EBADF )
- {
- // file descriptor is no longer valid or not writable
- mFileDescriptor = 0;
- mErrorThrown = true;
- DALI_LOG_ERROR( "### Cannot lock indicator: bad file descriptor for %s ###\n", mFilename.c_str() );
- }
+ locked = true;
}
}
+ else
+ {
+ mErrorThrown = true;
+ DALI_LOG_ERROR( "### Invalid fd ###\n" );
+ }
return locked;
}
void Indicator::LockFile::Unlock()
{
DALI_LOG_TRACE_METHOD( gIndicatorLogFilter );
- if( lockf( mFileDescriptor, F_ULOCK, 0 ) != 0 )
+
+ struct flock filelock;
+
+ filelock.l_type = F_UNLCK;
+ filelock.l_whence = SEEK_SET;
+ filelock.l_start = 0;
+ filelock.l_len = 0;
+ if (fcntl(mFileDescriptor, F_SETLKW, &filelock) == -1)
{
- if( errno == EBADF )
- {
- // file descriptor is no longer valid or not writable
- mFileDescriptor = 0;
- mErrorThrown = true;
- DALI_LOG_ERROR( "### Cannot unlock indicator: bad file descriptor for %s\n", mFilename.c_str() );
- }
+ mErrorThrown = true;
+ DALI_LOG_ERROR( "### Failed to lock with fd : %s ###\n", mFilename.c_str() );
}
}