Initial Contribution
diff --git a/libc/netbsd/isc/eventlib_p.h b/libc/netbsd/isc/eventlib_p.h
new file mode 100644
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--- /dev/null
+++ b/libc/netbsd/isc/eventlib_p.h
@@ -0,0 +1,233 @@
+/* $NetBSD: eventlib_p.h,v 1.1.1.1 2004/05/20 19:34:32 christos Exp $ */
+
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * 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 ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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.
+ */
+
+/* eventlib_p.h - private interfaces for eventlib
+ * vix 09sep95 [initial]
+ *
+ * Id: eventlib_p.h,v 1.3.2.1.4.1 2004/03/09 08:33:43 marka Exp
+ */
+
+#ifndef _EVENTLIB_P_H
+#define _EVENTLIB_P_H
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#define EVENTLIB_DEBUG 1
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/heap.h>
+#include <isc/list.h>
+#include <isc/memcluster.h>
+
+
+#define EV_MASK_ALL (EV_READ | EV_WRITE | EV_EXCEPT)
+#define EV_ERR(e) return (errno = (e), -1)
+#define OK(x) if ((x) < 0) EV_ERR(errno); else (void)NULL
+
+
+#if HAVE_MEM_GET_SET
+#define NEW(p) if (((p) = memget(sizeof *(p))) != NULL) \
+ FILL(p); \
+ else \
+ (void)NULL;
+#define OKNEW(p) if (!((p) = memget(sizeof *(p)))) { \
+ errno = ENOMEM; \
+ return (-1); \
+ } else \
+ FILL(p)
+#define FREE(p) memput((p), sizeof *(p))
+
+#if EVENTLIB_DEBUG
+#define FILL(p) memset((p), 0xF5, sizeof *(p))
+#else
+#define FILL(p)
+#endif
+
+#else
+
+#define NEW(p) p = malloc(sizeof *(p));
+#define OKNEW(p) if (!((p) = malloc(sizeof *(p)))) { errno = ENOMEM; return (-1); }
+#define FREE(p) free(p)
+#define FILL(p)
+
+#endif
+
+
+typedef struct evConn {
+ evConnFunc func;
+ void * uap;
+ int fd;
+ int flags;
+#define EV_CONN_LISTEN 0x0001 /* Connection is a listener. */
+#define EV_CONN_SELECTED 0x0002 /* evSelectFD(conn->file). */
+#define EV_CONN_BLOCK 0x0004 /* Listener fd was blocking. */
+ evFileID file;
+ struct evConn * prev;
+ struct evConn * next;
+} evConn;
+
+typedef struct evAccept {
+ int fd;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+ struct sockaddr_un un;
+#endif
+ } la;
+ socklen_t lalen;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+ struct sockaddr_un un;
+#endif
+ } ra;
+ socklen_t ralen;
+ int ioErrno;
+ evConn * conn;
+ LINK(struct evAccept) link;
+} evAccept;
+
+typedef struct evFile {
+ evFileFunc func;
+ void * uap;
+ int fd;
+ int eventmask;
+ int preemptive;
+ struct evFile * prev;
+ struct evFile * next;
+ struct evFile * fdprev;
+ struct evFile * fdnext;
+} evFile;
+
+typedef struct evStream {
+ evStreamFunc func;
+ void * uap;
+ evFileID file;
+ evTimerID timer;
+ int flags;
+#define EV_STR_TIMEROK 0x0001 /* IFF timer valid. */
+ int fd;
+ struct iovec * iovOrig;
+ int iovOrigCount;
+ struct iovec * iovCur;
+ int iovCurCount;
+ int ioTotal;
+ int ioDone;
+ int ioErrno;
+ struct evStream *prevDone, *nextDone;
+ struct evStream *prev, *next;
+} evStream;
+
+typedef struct evTimer {
+ evTimerFunc func;
+ void * uap;
+ struct timespec due, inter;
+ int index;
+ int mode;
+#define EV_TMR_RATE 1
+} evTimer;
+
+typedef struct evWait {
+ evWaitFunc func;
+ void * uap;
+ const void * tag;
+ struct evWait * next;
+} evWait;
+
+typedef struct evWaitList {
+ evWait * first;
+ evWait * last;
+ struct evWaitList * prev;
+ struct evWaitList * next;
+} evWaitList;
+
+typedef struct evEvent_p {
+ enum { Accept, File, Stream, Timer, Wait, Free, Null } type;
+ union {
+ struct { evAccept *this; } accept;
+ struct { evFile *this; int eventmask; } file;
+ struct { evStream *this; } stream;
+ struct { evTimer *this; } timer;
+ struct { evWait *this; } wait;
+ struct { struct evEvent_p *next; } free;
+ struct { const void *placeholder; } null;
+ } u;
+} evEvent_p;
+
+typedef struct {
+ /* Global. */
+ const evEvent_p *cur;
+ /* Debugging. */
+ int debug;
+ FILE *output;
+ /* Connections. */
+ evConn *conns;
+ LIST(evAccept) accepts;
+ /* Files. */
+ evFile *files, *fdNext;
+ fd_set rdLast, rdNext;
+ fd_set wrLast, wrNext;
+ fd_set exLast, exNext;
+ fd_set nonblockBefore;
+ int fdMax, fdCount, highestFD;
+ evFile *fdTable[FD_SETSIZE];
+#ifdef EVENTLIB_TIME_CHECKS
+ struct timespec lastSelectTime;
+ int lastFdCount;
+#endif
+ /* Streams. */
+ evStream *streams;
+ evStream *strDone, *strLast;
+ /* Timers. */
+ struct timespec lastEventTime;
+ heap_context timers;
+ /* Waits. */
+ evWaitList *waitLists;
+ evWaitList waitDone;
+} evContext_p;
+
+/* eventlib.c */
+#define evPrintf __evPrintf
+void evPrintf(const evContext_p *ctx, int level, const char *fmt, ...);
+
+/* ev_timers.c */
+#define evCreateTimers __evCreateTimers
+heap_context evCreateTimers(const evContext_p *);
+#define evDestroyTimers __evDestroyTimers
+void evDestroyTimers(const evContext_p *);
+
+/* ev_waits.c */
+#define evFreeWait __evFreeWait
+evWait *evFreeWait(evContext_p *ctx, evWait *old);
+
+/* Global options */
+int __evOptMonoTime;
+
+#endif /*_EVENTLIB_P_H*/