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Diffstat (limited to 'src/util/myflock.h')
| -rw-r--r-- | src/util/myflock.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/util/myflock.h b/src/util/myflock.h new file mode 100644 index 0000000..ee18bdb --- /dev/null +++ b/src/util/myflock.h @@ -0,0 +1,52 @@ +#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 |