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comedi_lock
Langue: en
Version: 28 October 2007 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
comedi_lock - subdevice reservationSYNOPSIS
#include <comedilib.h>
int comedi_lock (comedi_t * device, unsigned int subdevice);
DESCRIPTION
The function comedi_lock() reserves a subdevice for use by the current process. While the lock is held, no other process is allowed to read, write, or configure that subdevice, although other processes can read information about the subdevice. The lock is released when comedi_unlock() is called, or the device is closed.
RETURN VALUE
If sucessful, 0 is returned. If there is an error, -1 is returned.
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