Remove files no longer part of the sendmail 8.12.2 distribution.

1 files changed, 0 insertions, 513 deletions

diff --git a/contrib/sendmail/src/clock.c b/contrib/sendmail/src/clock.c
deleted file mode 100644
index 0e3ec94..0000000
--- a/contrib/sendmail/src/clock.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * 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.
- *
- */
-
-#ifndef lint
-static char id[] = "@(#)$Id: clock.c,v 8.52.18.18 2001/08/14 16:07:04 ca Exp $";
-#endif /* ! lint */
-
-#include <sendmail.h>
-
-#ifndef sigmask
-# define sigmask(s)	(1 << ((s) - 1))
-#endif /* ! sigmask */
-
-static SIGFUNC_DECL	sm_tick __P((int));
-static void		endsleep __P((void));
-
-
-/*
-**  SETEVENT -- set an event to happen at a specific time.
-**
-**	Events are stored in a sorted list for fast processing.
-**	An event only applies to the process that set it.
-**
-**	Parameters:
-**		intvl -- intvl until next event occurs.
-**		func -- function to call on event.
-**		arg -- argument to func on event.
-**
-**	Returns:
-**		none.
-**
-**	Side Effects:
-**		none.
-*/
-
-static EVENT	*volatile EventQueue;		/* head of event queue */
-static EVENT	*volatile FreeEventList;	/* list of free events */
-
-EVENT *
-setevent(intvl, func, arg)
-	time_t intvl;
-	void (*func)();
-	int arg;
-{
-	register EVENT *ev;
-
-	if (intvl <= 0)
-	{
-		syserr("554 5.3.0 setevent: intvl=%ld\n", intvl);
-		return NULL;
-	}
-
-	ENTER_CRITICAL();
-	if (FreeEventList == NULL)
-	{
-		FreeEventList = (EVENT *) xalloc(sizeof *FreeEventList);
-		FreeEventList->ev_link = NULL;
-	}
-	LEAVE_CRITICAL();
-
-	ev = sigsafe_setevent(intvl, func, arg);
-
-	if (tTd(5, 5))
-		dprintf("setevent: intvl=%ld, for=%ld, func=%lx, arg=%d, ev=%lx\n",
-			(long) intvl, (long) (curtime() + intvl),
-			(u_long) func, arg,
-			ev == NULL ? 0 : (u_long) ev);
-
-	return ev;
-}
-
-/*
-**
-**	NOTE:	THIS CAN BE CALLED FROM A SIGNAL HANDLER.  DO NOT ADD
-**		ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE
-**		DOING.
-*/
-
-EVENT *
-sigsafe_setevent(intvl, func, arg)
-	time_t intvl;
-	void (*func)();
-	int arg;
-{
-	register EVENT **evp;
-	register EVENT *ev;
-	auto time_t now;
-	int wasblocked;
-
-	if (intvl <= 0)
-		return NULL;
-
-	wasblocked = blocksignal(SIGALRM);
-	now = curtime();
-
-	/* search event queue for correct position */
-	for (evp = (EVENT **) (&EventQueue);
-	     (ev = *evp) != NULL;
-	     evp = &ev->ev_link)
-	{
-		if (ev->ev_time >= now + intvl)
-			break;
-	}
-
-	ENTER_CRITICAL();
-	if (FreeEventList == NULL)
-	{
-		/*
-		**  This shouldn't happen.  If called from setevent(),
-		**  we have just malloced a FreeEventList entry.  If
-		**  called from a signal handler, it should have been
-		**  from an existing event which sm_tick() just added to the
-		**  FreeEventList.
-		*/
-
-		LEAVE_CRITICAL();
-		return NULL;
-	}
-	else
-	{
-		ev = FreeEventList;
-		FreeEventList = ev->ev_link;
-	}
-	LEAVE_CRITICAL();
-
-	/* insert new event */
-	ev->ev_time = now + intvl;
-	ev->ev_func = func;
-	ev->ev_arg = arg;
-	ev->ev_pid = getpid();
-	ENTER_CRITICAL();
-	ev->ev_link = *evp;
-	*evp = ev;
-	LEAVE_CRITICAL();
-
-	(void) setsignal(SIGALRM, sm_tick);
-	intvl = EventQueue->ev_time - now;
-	(void) alarm((unsigned) intvl < 1 ? 1 : intvl);
-	if (wasblocked == 0)
-		(void) releasesignal(SIGALRM);
-	return ev;
-}
-/*
-**  CLREVENT -- remove an event from the event queue.
-**
-**	Parameters:
-**		ev -- pointer to event to remove.
-**
-**	Returns:
-**		none.
-**
-**	Side Effects:
-**		arranges for event ev to not happen.
-*/
-
-void
-clrevent(ev)
-	register EVENT *ev;
-{
-	register EVENT **evp;
-	int wasblocked;
-
-	if (tTd(5, 5))
-		dprintf("clrevent: ev=%lx\n", (u_long) ev);
-	if (ev == NULL)
-		return;
-
-	/* find the parent event */
-	wasblocked = blocksignal(SIGALRM);
-	for (evp = (EVENT **) (&EventQueue);
-	     *evp != NULL;
-	     evp = &(*evp)->ev_link)
-	{
-		if (*evp == ev)
-			break;
-	}
-
-	/* now remove it */
-	if (*evp != NULL)
-	{
-		ENTER_CRITICAL();
-		*evp = ev->ev_link;
-		ev->ev_link = FreeEventList;
-		FreeEventList = ev;
-		LEAVE_CRITICAL();
-	}
-
-	/* restore clocks and pick up anything spare */
-	if (wasblocked == 0)
-		(void) releasesignal(SIGALRM);
-	if (EventQueue != NULL)
-		(void) kill(getpid(), SIGALRM);
-	else
-	{
-		/* nothing left in event queue, no need for an alarm */
-		(void) alarm(0);
-	}
-}
-/*
-**  CLEAR_EVENTS -- remove all events from the event queue.
-**
-**	Parameters:
-**		none.
-**
-**	Returns:
-**		none.
-*/
-
-void
-clear_events()
-{
-	register EVENT *ev;
-	int wasblocked;
-
-	if (tTd(5, 5))
-		dprintf("clear_events: EventQueue=%lx\n", (u_long) EventQueue);
-
-	if (EventQueue == NULL)
-		return;
-
-	/* nothing will be left in event queue, no need for an alarm */
-	(void) alarm(0);
-	wasblocked = blocksignal(SIGALRM);
-
-	/* find the end of the EventQueue */
-	for (ev = EventQueue; ev->ev_link != NULL; ev = ev->ev_link)
-		continue;
-
-	ENTER_CRITICAL();
-	ev->ev_link = FreeEventList;
-	FreeEventList = EventQueue;
-	EventQueue = NULL;
-	LEAVE_CRITICAL();
-
-	/* restore clocks and pick up anything spare */
-	if (wasblocked == 0)
-		(void) releasesignal(SIGALRM);
-}
-/*
-**  SM_TICK -- take a clock sm_tick
-**
-**	Called by the alarm clock.  This routine runs events as needed.
-**	Always called as a signal handler, so we assume that SIGALRM
-**	has been blocked.
-**
-**	Parameters:
-**		One that is ignored; for compatibility with signal handlers.
-**
-**	Returns:
-**		none.
-**
-**	Side Effects:
-**		calls the next function in EventQueue.
-**
-**	NOTE:	THIS CAN BE CALLED FROM A SIGNAL HANDLER.  DO NOT ADD
-**		ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE
-**		DOING.
-*/
-
-/* ARGSUSED */
-static SIGFUNC_DECL
-sm_tick(sig)
-	int sig;
-{
-	register time_t now;
-	register EVENT *ev;
-	pid_t mypid;
-	int save_errno = errno;
-
-	(void) alarm(0);
-
-	FIX_SYSV_SIGNAL(sig, sm_tick);
-
-	errno = save_errno;
-	CHECK_CRITICAL(sig);
-
-	mypid = getpid();
-	while (PendingSignal != 0)
-	{
-		int sigbit = 0;
-		int sig = 0;
-
-		if (bitset(PEND_SIGHUP, PendingSignal))
-		{
-			sigbit = PEND_SIGHUP;
-			sig = SIGHUP;
-		}
-		else if (bitset(PEND_SIGINT, PendingSignal))
-		{
-			sigbit = PEND_SIGINT;
-			sig = SIGINT;
-		}
-		else if (bitset(PEND_SIGTERM, PendingSignal))
-		{
-			sigbit = PEND_SIGTERM;
-			sig = SIGTERM;
-		}
-		else if (bitset(PEND_SIGUSR1, PendingSignal))
-		{
-			sigbit = PEND_SIGUSR1;
-			sig = SIGUSR1;
-		}
-		else
-		{
-			/* If we get here, we are in trouble */
-			abort();
-		}
-		PendingSignal &= ~sigbit;
-		kill(mypid, sig);
-	}
-
-	now = curtime();
-	if (tTd(5, 4))
-		dprintf("sm_tick: now=%ld\n", (long) now);
-
-	while ((ev = EventQueue) != NULL &&
-	       (ev->ev_time <= now || ev->ev_pid != mypid))
-	{
-		void (*f)();
-		int arg;
-		pid_t pid;
-
-		/* process the event on the top of the queue */
-		ENTER_CRITICAL();
-		ev = EventQueue;
-		EventQueue = EventQueue->ev_link;
-		LEAVE_CRITICAL();
-		if (tTd(5, 6))
-			dprintf("sm_tick: ev=%lx, func=%lx, arg=%d, pid=%d\n",
-				(u_long) ev, (u_long) ev->ev_func,
-				ev->ev_arg, ev->ev_pid);
-
-		/* we must be careful in here because ev_func may not return */
-		f = ev->ev_func;
-		arg = ev->ev_arg;
-		pid = ev->ev_pid;
-		ENTER_CRITICAL();
-		ev->ev_link = FreeEventList;
-		FreeEventList = ev;
-		LEAVE_CRITICAL();
-		if (pid != mypid)
-			continue;
-		if (EventQueue != NULL)
-		{
-			if (EventQueue->ev_time > now)
-				(void) alarm((unsigned) (EventQueue->ev_time - now));
-			else
-				(void) alarm(3);
-		}
-
-		/* call ev_func */
-		errno = save_errno;
-		(*f)(arg);
-		(void) alarm(0);
-		now = curtime();
-	}
-	if (EventQueue != NULL)
-		(void) alarm((unsigned) (EventQueue->ev_time - now));
-	errno = save_errno;
-	return SIGFUNC_RETURN;
-}
-/*
-**  PEND_SIGNAL -- Add a signal to the pending signal list
-**
-**	Parameters:
-**		sig -- signal to add
-**
-**	Returns:
-**		none.
-**
-**	NOTE:	THIS CAN BE CALLED FROM A SIGNAL HANDLER.  DO NOT ADD
-**		ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE
-**		DOING.
-*/
-
-void
-pend_signal(sig)
-	int sig;
-{
-	int sigbit;
-	int save_errno = errno;
-
-	/*
-	**  Don't want to interrupt something critical, hence delay
-	**  the alarm for one second.  Hopefully, by then we
-	**  will be out of the critical section.  If not, then
-	**  we will just delay again.  The events to be run will
-	**  still all be run, maybe just a little bit late.
-	*/
-
-	switch (sig)
-	{
-	  case SIGHUP:
-		sigbit = PEND_SIGHUP;
-		break;
-
-	  case SIGINT:
-		sigbit = PEND_SIGINT;
-		break;
-
-	  case SIGTERM:
-		sigbit = PEND_SIGTERM;
-		break;
-
-	  case SIGUSR1:
-		sigbit = PEND_SIGUSR1;
-		break;
-
-	  case SIGALRM:
-		/* don't have to pend these */
-		sigbit = 0;
-		break;
-
-	  default:
-		/* If we get here, we are in trouble */
-		abort();
-
-		/* NOTREACHED */
-		/* shut up stupid compiler warning on HP-UX 11 */
-		sigbit = 0;
-		break;
-	}
-
-	if (sigbit != 0)
-		PendingSignal |= sigbit;
-	(void) setsignal(SIGALRM, sm_tick);
-	(void) alarm(1);
-	errno = save_errno;
-}
-/*
-**  SM_SIGNAL_NOOP -- A signal no-op function
-**
-**	Parameters:
-**		sig -- signal received
-**
-**	Returns:
-**		SIGFUNC_RETURN
-*/
-
-/* ARGSUSED */
-SIGFUNC_DECL
-sm_signal_noop(sig)
-	int sig;
-{
-	int save_errno = errno;
-
-	FIX_SYSV_SIGNAL(sig, sm_signal_noop);
-	errno = save_errno;
-	return SIGFUNC_RETURN;
-}
-/*
-**  SLEEP -- a version of sleep that works with this stuff
-**
-**	Because sleep uses the alarm facility, I must reimplement
-**	it here.
-**
-**	Parameters:
-**		intvl -- time to sleep.
-**
-**	Returns:
-**		none.
-**
-**	Side Effects:
-**		waits for intvl time.  However, other events can
-**		be run during that interval.
-*/
-
-
-static bool	volatile SleepDone;
-
-#ifndef SLEEP_T
-# define SLEEP_T	unsigned int
-#endif /* ! SLEEP_T */
-
-SLEEP_T
-sleep(intvl)
-	unsigned int intvl;
-{
-	int was_held;
-
-	if (intvl == 0)
-		return (SLEEP_T) 0;
-	SleepDone = FALSE;
-	(void) setevent((time_t) intvl, endsleep, 0);
-	was_held = releasesignal(SIGALRM);
-	while (!SleepDone)
-		(void) pause();
-	if (was_held > 0)
-		(void) blocksignal(SIGALRM);
-	return (SLEEP_T) 0;
-}
-
-static void
-endsleep()
-{
-	/*
-	**  NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER.  DO NOT ADD
-	**	ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE
-	**	DOING.
-	*/
-
-	SleepDone = TRUE;
-}