fcreate(3) - Linux man page
Name
fCreate - create a file lock.Synopsis
#include <util/ulocks.h> NEOERR *fCreate(int *plock, const char *file);
Arguments
plock - place for lock.file - path of file to use as lock.
Description
Creates a file lock on named file <file>. The lock is returned in <plock>.MT-Level: Safe.