Linux System Programming
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< cyborg_x1
Today Snappy, the little photo box we have taking photos of the new Bruce Lab, broke again.
Diejenigen von euch, die eine KDE Umgebung unter Linux verwenden, kennen vielleicht yakuake, ein Terminalprogramm mit etwas EyeCandy, welches bei Druck von F12 aus dem oberen Bildschirmrand herausfährt.
Name flock - apply or remove an advisory lock on an open file Synopsis #include < sys/file.h > int flock(int fd , int operation ); Description
Like all devices in a Unix system, serial ports are accessed through device special files, located in the /dev directory. There are two varieties of device files related to serial drivers, and there is one device file of each type for each port. The device will behave slightly differently, depending on which of its device files we open. We'll cover the differences because it will help you understand some of the configurations and advice that you might see relating to serial devices, but in practice you need to use only one of these.