[rtems-libbsd commit] freebsd-userspace/lib/libc/isc/eventlib_p.h: New file
Joel Sherrill
joel at rtems.org
Fri Sep 7 18:26:09 UTC 2012
Module: rtems-libbsd
Branch: master
Commit: 3bed89ace547240bc3c3f4ede501c77fa3916ca5
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=3bed89ace547240bc3c3f4ede501c77fa3916ca5
Author: Joel Sherrill <joel.sherrill at oarcorp.com>
Date: Fri Sep 7 13:29:18 2012 -0500
freebsd-userspace/lib/libc/isc/eventlib_p.h: New file
---
freebsd-userspace/lib/libc/isc/eventlib_p.h | 290 +++++++++++++++++++++++++++
1 files changed, 290 insertions(+), 0 deletions(-)
diff --git a/freebsd-userspace/lib/libc/isc/eventlib_p.h b/freebsd-userspace/lib/libc/isc/eventlib_p.h
new file mode 100644
index 0000000..951af00
--- /dev/null
+++ b/freebsd-userspace/lib/libc/isc/eventlib_p.h
@@ -0,0 +1,290 @@
+/*
+ * Copyright (c) 2005 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.
+ */
+
+/*! \file
+ * \brief private interfaces for eventlib
+ * \author vix 09sep95 [initial]
+ *
+ * $Id: eventlib_p.h,v 1.5.18.4 2006/03/10 00:20:08 marka Exp $
+ * $FreeBSD$
+ */
+
+#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>
+
+#ifndef _LIBC
+#include <isc/list.h>
+#include <isc/heap.h>
+#include <isc/memcluster.h>
+#endif
+
+#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
+#define OKFREE(x, y) if ((x) < 0) { FREE((y)); EV_ERR(errno); } \
+ else (void)NULL
+
+#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
+
+#ifdef USE_POLL
+#ifdef HAVE_STROPTS_H
+#include <stropts.h>
+#endif
+#include <poll.h>
+#endif /* USE_POLL */
+
+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;
+
+#ifndef _LIBC
+typedef struct evAccept {
+ int fd;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+ struct sockaddr_un un;
+#endif
+ } la;
+ ISC_SOCKLEN_T lalen;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in in;
+#ifndef NO_SOCKADDR_UN
+ struct sockaddr_un un;
+#endif
+ } ra;
+ ISC_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;
+#endif
+
+#ifdef USE_POLL
+typedef struct {
+ void *ctx; /* pointer to the evContext_p */
+ uint32_t type; /* READ, WRITE, EXCEPT, nonblk */
+ uint32_t result; /* 1 => revents, 0 => events */
+} __evEmulMask;
+
+#define emulMaskInit(ctx, field, ev, lastnext) \
+ ctx->field.ctx = ctx; \
+ ctx->field.type = ev; \
+ ctx->field.result = lastnext;
+
+extern short *__fd_eventfield(int fd, __evEmulMask *maskp);
+extern short __poll_event(__evEmulMask *maskp);
+extern void __fd_clr(int fd, __evEmulMask *maskp);
+extern void __fd_set(int fd, __evEmulMask *maskp);
+
+#undef FD_ZERO
+#define FD_ZERO(maskp)
+
+#undef FD_SET
+#define FD_SET(fd, maskp) \
+ __fd_set(fd, maskp)
+
+#undef FD_CLR
+#define FD_CLR(fd, maskp) \
+ __fd_clr(fd, maskp)
+
+#undef FD_ISSET
+#define FD_ISSET(fd, maskp) \
+ ((*__fd_eventfield(fd, maskp) & __poll_event(maskp)) != 0)
+
+#endif /* USE_POLL */
+
+#ifndef _LIBC
+typedef struct {
+ /* Global. */
+ const evEvent_p *cur;
+ /* Debugging. */
+ int debug;
+ FILE *output;
+ /* Connections. */
+ evConn *conns;
+ LIST(evAccept) accepts;
+ /* Files. */
+ evFile *files, *fdNext;
+#ifndef USE_POLL
+ fd_set rdLast, rdNext;
+ fd_set wrLast, wrNext;
+ fd_set exLast, exNext;
+ fd_set nonblockBefore;
+ int fdMax, fdCount, highestFD;
+ evFile *fdTable[FD_SETSIZE];
+#else
+ struct pollfd *pollfds; /* Allocated as needed */
+ evFile **fdTable; /* Ditto */
+ int maxnfds; /* # elements in above */
+ int firstfd; /* First active fd */
+ int fdMax; /* Last active fd */
+ int fdCount; /* # fd:s with I/O */
+ int highestFD; /* max fd allowed by OS */
+ __evEmulMask rdLast, rdNext;
+ __evEmulMask wrLast, wrNext;
+ __evEmulMask exLast, exNext;
+ __evEmulMask nonblockBefore;
+#endif /* USE_POLL */
+#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, ...)
+ ISC_FORMAT_PRINTF(3, 4);
+
+#ifdef USE_POLL
+extern int evPollfdRealloc(evContext_p *ctx, int pollfd_chunk_size, int fd);
+#endif /* USE_POLL */
+
+/* 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);
+#endif
+
+/* Global options */
+#ifndef _LIBC
+extern int __evOptMonoTime;
+#endif
+
+#endif /*_EVENTLIB_P_H*/
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