posix: upgrade libevent from 1.4.7 to 1.4.13

third_party/libevent/kqueue.c

 /*      $OpenBSD: kqueue.c,v 1.5 2002/07/10 14:41:31 art Exp $  */
 
 /*
  * Copyright 2000-2002 Niels Provos <provos@citi.umich.edu>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 12 matching lines @@
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
+#define _GNU_SOURCE 1
+
 #include <sys/types.h>
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #else
-#include <sys/_time.h>
+#include <sys/_libevent_time.h>
 #endif
 #include <sys/queue.h>
 #include <sys/event.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
 #include <assert.h>
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>
 #endif
 
 /* Some platforms apparently define the udata field of struct kevent as
  * intptr_t, whereas others define it as void*.  There doesn't seem to be an
  * easy way to tell them apart via autoconf, so we need to use OS macros. */
 #if defined(HAVE_INTTYPES_H) && !defined(__OpenBSD__) && !defined(__FreeBSD__) && !defined(__darwin__) && !defined(__APPLE__)
 #define PTR_TO_UDATA(x) ((intptr_t)(x))
 #else
 #define PTR_TO_UDATA(x) (x)
 #endif
 
 #include "event.h"
 #include "event-internal.h"
 #include "log.h"
-#include "event-internal.h"
 
 #define EVLIST_X_KQINKERNEL     0x1000
 
 #define NEVENT          64
 
 struct kqop {
         struct kevent *changes;
         int nchanges;
         struct kevent *events;
         struct event_list evsigevents[NSIG];
@@ skipping 19 matching lines @@
         1 /* need reinit */
 };
 
 static void *
 kq_init(struct event_base *base)
 {
         int i, kq;
         struct kqop *kqueueop;
 
         /* Disable kqueue when this environment variable is set */
-        if (getenv("EVENT_NOKQUEUE"))
+        if (evutil_getenv("EVENT_NOKQUEUE"))
                 return (NULL);
 
         if (!(kqueueop = calloc(1, sizeof(struct kqop))))
                 return (NULL);
 
         /* Initalize the kernel queue */
         
         if ((kq = kqueue()) == -1) {
                 event_warn("kqueue");
                 free (kqueueop);
@@ skipping 325 matching lines @@
 
         if (kqop->changes)
                 free(kqop->changes);
         if (kqop->events)
                 free(kqop->events);
         if (kqop->kq >= 0 && kqop->pid == getpid())
                 close(kqop->kq);
         memset(kqop, 0, sizeof(struct kqop));
         free(kqop);
 }