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author | gshapiro <gshapiro@FreeBSD.org> | 2002-02-17 21:56:45 +0000 |
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committer | gshapiro <gshapiro@FreeBSD.org> | 2002-02-17 21:56:45 +0000 |
commit | 8449595fe97f4474b9b9a7e4edee1ef35dcff393 (patch) | |
tree | e7a33b132264d449a512ddf4a8685df097669c1d /contrib/sendmail/include/sm/clock.h | |
parent | 289b381b31415647269c7520d881017e2dcb27f1 (diff) | |
download | FreeBSD-src-8449595fe97f4474b9b9a7e4edee1ef35dcff393.zip FreeBSD-src-8449595fe97f4474b9b9a7e4edee1ef35dcff393.tar.gz |
Import sendmail 8.12.2
Diffstat (limited to 'contrib/sendmail/include/sm/clock.h')
-rw-r--r-- | contrib/sendmail/include/sm/clock.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/contrib/sendmail/include/sm/clock.h b/contrib/sendmail/include/sm/clock.h new file mode 100644 index 0000000..b0dfb43 --- /dev/null +++ b/contrib/sendmail/include/sm/clock.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + * $Id: clock.h,v 1.11 2001/05/14 23:25:37 gshapiro Exp $ + */ + +/* +** CLOCK.H -- for co-ordinating timed events +*/ + +#ifndef _SM_CLOCK_H +# define _SM_CLOCK_H 1 + +# include <sm/signal.h> +# if SM_CONF_SETITIMER +# include <sys/time.h> +# endif /* SM_CONF_SETITIMER */ + +/* +** STRUCT SM_EVENT -- event queue. +** +** Maintained in sorted order. +** +** We store the pid of the process that set this event to insure +** that when we fork we will not take events intended for the parent. +*/ + +struct sm_event +{ +# if SM_CONF_SETITIMER + struct timeval ev_time; /* time of the call (microseconds) */ +# else /* SM_CONF_SETITIMER */ + time_t ev_time; /* time of the call (seconds) */ +# endif /* SM_CONF_SETITIMER */ + void (*ev_func)__P((int)); + /* function to call */ + int ev_arg; /* argument to ev_func */ + pid_t ev_pid; /* pid that set this event */ + struct sm_event *ev_link; /* link to next item */ +}; + +typedef struct sm_event SM_EVENT; + +/* functions */ +extern void sm_clrevent __P((SM_EVENT *)); +extern void sm_clear_events __P((void)); +extern SM_EVENT *sm_setevent __P((time_t, void(*)(), int)); +extern SM_EVENT *sm_seteventm __P((int, void(*)(), int)); +extern SM_EVENT *sm_sigsafe_seteventm __P((int, void(*)(), int)); +extern SIGFUNC_DECL sm_tick __P((int)); + +/* +** SM_SETEVENT -- set an event to happen at a specific time in seconds. +** +** Translates the seconds into millseconds and calls sm_seteventm() +** to get a specific event to happen in the future at a specific time. +** +** Parameters: +** t -- intvl until next event occurs (seconds). +** f -- function to call on event. +** a -- argument to func on event. +** +** Returns: +** result of sm_seteventm(). +** +** Side Effects: +** Any that sm_seteventm() have. +*/ + +#define sm_setevent(t, f, a) sm_seteventm((int)((t) * 1000), (f), (a)) +#define sm_sigsafe_setevent(t, f, a) sm_sigsafe_seteventm((int)((t) * 1000), (f), (a)) + +#endif /* _SM_CLOCK_H */ |