/* $NetBSD: myflock.h,v 1.3 2020/03/18 19:05:21 christos Exp $ */ #ifndef _MYFLOCK_H_INCLUDED_ #define _MYFLOCK_H_INCLUDED_ /*++ /* NAME /* myflock 3h /* SUMMARY /* lock open file /* SYNOPSIS /* #include <myflock.h> /* DESCRIPTION /* .nf /* * External interface. */ extern int WARN_UNUSED_RESULT myflock(int, int, int); /* * Lock styles. */ #define MYFLOCK_STYLE_FLOCK 1 #define MYFLOCK_STYLE_FCNTL 2 /* * Lock request types. */ #define MYFLOCK_OP_NONE 0 #define MYFLOCK_OP_SHARED 1 #define MYFLOCK_OP_EXCLUSIVE 2 #define MYFLOCK_OP_NOWAIT 4 #define MYFLOCK_OP_BITS \ (MYFLOCK_OP_SHARED | MYFLOCK_OP_EXCLUSIVE | MYFLOCK_OP_NOWAIT) /* LICENSE /* .ad /* .fi /* The Secure Mailer license must be distributed with this software. /* AUTHOR(S) /* Wietse Venema /* IBM T.J. Watson Research /* P.O. Box 704 /* Yorktown Heights, NY 10598, USA /* /* Wietse Venema /* Google, Inc. /* 111 8th Avenue /* New York, NY 10011, USA /*--*/ #endif |