687d0cdeb3
in uu_lock(). Add uu_lockerr() for turning the results of uu_lock into something printable. Remove bogus section in man page about race conditions allowing both processes to get the lock. Include libutil.h and use uu_lock() correctly where it should. Suggested by: ache@freebsd.org
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*
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* Copyright (c) 1995 Peter Wemm <peter@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. This work was done expressly for inclusion into FreeBSD. Other use
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* is permitted provided this notation is included.
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* 4. Absolutely no warranty of function or purpose is made by the author
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* Peter Wemm.
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* 5. Modifications may be freely made to this file providing the above
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* conditions are met.
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*
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* $Id: libutil.h,v 1.5 1997/03/30 12:11:27 brian Exp $
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*/
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#ifndef _LIBUTIL_H_
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#define _LIBUTIL_H_
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#include <sys/cdefs.h>
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/* Avoid pulling in all the include files for no need */
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struct termios;
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struct winsize;
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struct utmp;
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__BEGIN_DECLS
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void setproctitle __P((const char *fmt, ...));
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void login __P((struct utmp *ut));
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int login_tty __P((int fd));
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int logout __P((char *line));
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void logwtmp __P((char *line, char *name, char *host));
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int openpty __P((int *amaster, int *aslave, char *name,
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struct termios *termp, struct winsize *winp));
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int forkpty __P((int *amaster, char *name,
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struct termios *termp, struct winsize *winp));
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char *uu_lockerr __P((int uu_lockresult));
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int uu_lock __P((char *ttyname));
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int uu_unlock __P((char *ttyname));
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__END_DECLS
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#define UU_LOCK_INUSE (1)
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#define UU_LOCK_OK (0)
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#define UU_LOCK_OPEN_ERR (-1)
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#define UU_LOCK_READ_ERR (-2)
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#define UU_LOCK_SEEK_ERR (-3)
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#define UU_LOCK_WRITE_ERR (-4)
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#endif /* !_LIBUTIL_H_ */
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