1 files changed, 0 insertions, 415 deletions
diff --git a/contrib/bind/lib/isc/ev_timers.c b/contrib/bind/lib/isc/ev_timers.c
deleted file mode 100644
index 0f3c56f..0000000
--- a/contrib/bind/lib/isc/ev_timers.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * Copyright (c) 1995-1999 by Internet Software Consortium
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-
-/* ev_timers.c - implement timers for the eventlib
- * vix 09sep95 [initial]
- */
-
-#if !defined(LINT) && !defined(CODECENTER)
-static const char rcsid[] = "$Id: ev_timers.c,v 1.33 2002/07/08 05:50:09 marka Exp $";
-#endif
-
-/* Import. */
-
-#include "port_before.h"
-#include "fd_setsize.h"
-
-#include <errno.h>
-
-#include <isc/assertions.h>
-#include <isc/eventlib.h>
-#include "eventlib_p.h"
-
-#include "port_after.h"
-
-/* Constants. */
-
-#define	MILLION 1000000
-#define BILLION 1000000000
-
-/* Forward. */
-
-static int due_sooner(void *, void *);
-static void set_index(void *, int);
-static void free_timer(void *, void *);
-static void print_timer(void *, void *);
-static void idle_timeout(evContext, void *, struct timespec, struct timespec);
-
-/* Private type. */
-
-typedef struct {
-	evTimerFunc	func;
-	void *		uap;
-	struct timespec	lastTouched;
-	struct timespec	max_idle;
-	evTimer *	timer;
-} idle_timer;
-
-/* Public. */
-
-struct timespec
-evConsTime(time_t sec, long nsec) {
-	struct timespec x;
-
-	x.tv_sec = sec;
-	x.tv_nsec = nsec;
-	return (x);
-}
-
-struct timespec
-evAddTime(struct timespec addend1, struct timespec addend2) {
-	struct timespec x;
-
-	x.tv_sec = addend1.tv_sec + addend2.tv_sec;
-	x.tv_nsec = addend1.tv_nsec + addend2.tv_nsec;
-	if (x.tv_nsec >= BILLION) {
-		x.tv_sec++;
-		x.tv_nsec -= BILLION;
-	}
-	return (x);
-}
-
-struct timespec
-evSubTime(struct timespec minuend, struct timespec subtrahend) {
-	struct timespec x;
-
-	x.tv_sec = minuend.tv_sec - subtrahend.tv_sec;
-	if (minuend.tv_nsec >= subtrahend.tv_nsec)
-		x.tv_nsec = minuend.tv_nsec - subtrahend.tv_nsec;
-	else {
-		x.tv_nsec = BILLION - subtrahend.tv_nsec + minuend.tv_nsec;
-		x.tv_sec--;
-	}
-	return (x);
-}
-
-int
-evCmpTime(struct timespec a, struct timespec b) {
-	long x = a.tv_sec - b.tv_sec;
-
-	if (x == 0L)
-		x = a.tv_nsec - b.tv_nsec;
-	return (x < 0L ? (-1) : x > 0L ? (1) : (0));
-}
-
-struct timespec
-evNowTime() {
-	struct timeval now;
-
-	if (gettimeofday(&now, NULL) < 0)
-		return (evConsTime(0, 0));
-	return (evTimeSpec(now));
-}
-
-struct timespec
-evLastEventTime(evContext opaqueCtx) {
-	evContext_p *ctx = opaqueCtx.opaque;
-
-	return (ctx->lastEventTime);
-}
-
-struct timespec
-evTimeSpec(struct timeval tv) {
-	struct timespec ts;
-
-	ts.tv_sec = tv.tv_sec;
-	ts.tv_nsec = tv.tv_usec * 1000;
-	return (ts);
-}
-
-struct timeval
-evTimeVal(struct timespec ts) {
-	struct timeval tv;
-
-	tv.tv_sec = ts.tv_sec;
-	tv.tv_usec = ts.tv_nsec / 1000;
-	return (tv);
-}
-
-int
-evSetTimer(evContext opaqueCtx,
-	   evTimerFunc func,
-	   void *uap,
-	   struct timespec due,
-	   struct timespec inter,
-	   evTimerID *opaqueID
-) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	evTimer *id;
-
-	evPrintf(ctx, 1,
-"evSetTimer(ctx %p, func %p, uap %p, due %ld.%09ld, inter %ld.%09ld)\n",
-		 ctx, func, uap,
-		 (long)due.tv_sec, due.tv_nsec,
-		 (long)inter.tv_sec, inter.tv_nsec);
-
-	/* due={0,0} is a magic cookie meaning "now." */
-	if (due.tv_sec == 0 && due.tv_nsec == 0L)
-		due = evNowTime();
-
-	/* Allocate and fill. */
-	OKNEW(id);
-	id->func = func;
-	id->uap = uap;
-	id->due = due;
-	id->inter = inter;
-
-	if (heap_insert(ctx->timers, id) < 0)
-		return (-1);
-
-	/* Remember the ID if the caller provided us a place for it. */
-	if (opaqueID)
-		opaqueID->opaque = id;
-
-	if (ctx->debug > 7) {
-		evPrintf(ctx, 7, "timers after evSetTimer:\n");
-		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
-	}
-
-	return (0);
-}
-
-int
-evClearTimer(evContext opaqueCtx, evTimerID id) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	evTimer *del = id.opaque;
-
-	if (ctx->cur != NULL &&
-	    ctx->cur->type == Timer &&
-	    ctx->cur->u.timer.this == del) {
-		evPrintf(ctx, 8, "deferring delete of timer (executing)\n");
-		/*
-		 * Setting the interval to zero ensures that evDrop() will
-		 * clean up the timer.
-		 */
-		del->inter = evConsTime(0, 0);
-		return (0);
-	}
-
-	if (heap_element(ctx->timers, del->index) != del)
-		EV_ERR(ENOENT);
-
-	if (heap_delete(ctx->timers, del->index) < 0)
-		return (-1);
-	FREE(del);
-
-	if (ctx->debug > 7) {
-		evPrintf(ctx, 7, "timers after evClearTimer:\n");
-		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
-	}
-
-	return (0);
-}
-
-int
-evResetTimer(evContext opaqueCtx,
-	     evTimerID id,
-	     evTimerFunc func,
-	     void *uap,
-	     struct timespec due,
-	     struct timespec inter
-) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	evTimer *timer = id.opaque;
-	struct timespec old_due;
-	int result=0;
-
-	if (heap_element(ctx->timers, timer->index) != timer)
-		EV_ERR(ENOENT);
-
-	old_due = timer->due;
-
-	timer->func = func;
-	timer->uap = uap;
-	timer->due = due;
-	timer->inter = inter;
-
-	switch (evCmpTime(due, old_due)) {
-	case -1:
-		result = heap_increased(ctx->timers, timer->index);
-		break;
-	case 0:
-		result = 0;
-		break;
-	case 1:
-		result = heap_decreased(ctx->timers, timer->index);
-		break;
-	}
-
-	if (ctx->debug > 7) {
-		evPrintf(ctx, 7, "timers after evResetTimer:\n");
-		(void) heap_for_each(ctx->timers, print_timer, (void *)ctx);
-	}
-
-	return (result);
-}
-
-int
-evSetIdleTimer(evContext opaqueCtx,
-		evTimerFunc func,
-		void *uap,
-		struct timespec max_idle,
-		evTimerID *opaqueID
-) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	idle_timer *tt;
-
-	/* Allocate and fill. */
-	OKNEW(tt);
-	tt->func = func;
-	tt->uap = uap;
-	tt->lastTouched = ctx->lastEventTime;
-	tt->max_idle = max_idle;
-
-	if (evSetTimer(opaqueCtx, idle_timeout, tt,
-		       evAddTime(ctx->lastEventTime, max_idle),
-		       max_idle, opaqueID) < 0) {
-		FREE(tt);
-		return (-1);
-	}
-
-	tt->timer = opaqueID->opaque;
-
-	return (0);
-}
-
-int
-evClearIdleTimer(evContext opaqueCtx, evTimerID id) {
-	evTimer *del = id.opaque;
-	idle_timer *tt = del->uap;
-
-	FREE(tt);
-	return (evClearTimer(opaqueCtx, id));
-}
-
-int
-evResetIdleTimer(evContext opaqueCtx,
-		 evTimerID opaqueID,
-		 evTimerFunc func,
-		 void *uap,
-		 struct timespec max_idle
-) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	evTimer *timer = opaqueID.opaque;
-	idle_timer *tt = timer->uap;
-
-	tt->func = func;
-	tt->uap = uap;
-	tt->lastTouched = ctx->lastEventTime;
-	tt->max_idle = max_idle;
-
-	return (evResetTimer(opaqueCtx, opaqueID, idle_timeout, tt,
-			     evAddTime(ctx->lastEventTime, max_idle),
-			     max_idle));
-}
-
-int
-evTouchIdleTimer(evContext opaqueCtx, evTimerID id) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	evTimer *t = id.opaque;
-	idle_timer *tt = t->uap;
-
-	tt->lastTouched = ctx->lastEventTime;
-
-	return (0);
-}
-
-/* Public to the rest of eventlib. */
-
-heap_context
-evCreateTimers(const evContext_p *ctx) {
-
-	UNUSED(ctx);
-
-	return (heap_new(due_sooner, set_index, 2048));
-}
-
-void
-evDestroyTimers(const evContext_p *ctx) {
-	(void) heap_for_each(ctx->timers, free_timer, NULL);
-	(void) heap_free(ctx->timers);
-}
-
-/* Private. */
-
-static int
-due_sooner(void *a, void *b) {
-	evTimer *a_timer, *b_timer;
-
-	a_timer = a;
-	b_timer = b;
-	return (evCmpTime(a_timer->due, b_timer->due) < 0);
-}
-
-static void
-set_index(void *what, int index) {
-	evTimer *timer;
-
-	timer = what;
-	timer->index = index;
-}
-
-static void
-free_timer(void *what, void *uap) {
-	evTimer *t = what;
-
-	UNUSED(uap);
-
-	FREE(t);
-}
-
-static void
-print_timer(void *what, void *uap) {
-	evTimer *cur = what;
-	evContext_p *ctx = uap;
-
-	cur = what;
-	evPrintf(ctx, 7,
-	    "  func %p, uap %p, due %ld.%09ld, inter %ld.%09ld\n",
-		 cur->func, cur->uap,
-		 (long)cur->due.tv_sec, cur->due.tv_nsec,
-		 (long)cur->inter.tv_sec, cur->inter.tv_nsec);
-}
-
-static void
-idle_timeout(evContext opaqueCtx,
-	     void *uap,
-	     struct timespec due,
-	     struct timespec inter
-) {
-	evContext_p *ctx = opaqueCtx.opaque;
-	idle_timer *this = uap;
-	struct timespec idle;
-
-	UNUSED(due);
-	UNUSED(inter);
-	
-	idle = evSubTime(ctx->lastEventTime, this->lastTouched);
-	if (evCmpTime(idle, this->max_idle) >= 0) {
-		(this->func)(opaqueCtx, this->uap, this->timer->due,
-			     this->max_idle);
-		/*
-		 * Setting the interval to zero will cause the timer to
-		 * be cleaned up in evDrop().
-		 */
-		this->timer->inter = evConsTime(0, 0);
-		FREE(this);
-	} else {
-		/* evDrop() will reschedule the timer. */
-		this->timer->inter = evSubTime(this->max_idle, idle);
-	}
-}