[Feature] Update libev to 4.33

Changelog: http://cvs.schmorp.de/libev/Changes?pathrev=rel-4_33

1 files changed, 19 insertions, 14 deletions

diff --git a/contrib/libev/ev_poll.c b/contrib/libev/ev_poll.c
index bd742b07f..e5508ddb0 100644
--- a/contrib/libev/ev_poll.c
+++ b/contrib/libev/ev_poll.c
@@ -1,7 +1,7 @@
 /*
  * libev poll fd activity backend
  *
- * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007,2008,2009,2010,2011,2016,2019 Marc Alexander Lehmann <libev@schmorp.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modifica-
@@ -41,10 +41,12 @@
 
 inline_size
 void
-pollidx_init (int *base, int count)
+array_needsize_pollidx (int *base, int offset, int count)
 {
-  /* consider using memset (.., -1, ...), which is practically guaranteed
-   * to work on all systems implementing poll */
+  /* using memset (.., -1, ...) is tempting, we we try
+   * to be ultraportable
+   */
+  base += offset;
   while (count--)
     *base++ = -1;
 }
@@ -57,14 +59,14 @@ poll_modify (EV_P_ int fd, int oev, int nev)
   if (oev == nev)
     return;
 
-  array_needsize (int, pollidxs, pollidxmax, fd + 1, pollidx_init);
+  array_needsize (int, pollidxs, pollidxmax, fd + 1, array_needsize_pollidx);
 
   idx = pollidxs [fd];
 
   if (idx < 0) /* need to allocate a new pollfd */
     {
       pollidxs [fd] = idx = pollcnt++;
-      array_needsize (struct pollfd, polls, pollmax, pollcnt, EMPTY2);
+      array_needsize (struct pollfd, polls, pollmax, pollcnt, array_needsize_noinit);
       polls [idx].fd = fd;
     }
 
@@ -78,7 +80,7 @@ poll_modify (EV_P_ int fd, int oev, int nev)
     {
       pollidxs [fd] = -1;
 
-      if (expect_true (idx < --pollcnt))
+      if (ecb_expect_true (idx < --pollcnt))
         {
           polls [idx] = polls [pollcnt];
           pollidxs [polls [idx].fd] = idx;
@@ -93,10 +95,10 @@ poll_poll (EV_P_ ev_tstamp timeout)
   int res;
   
   EV_RELEASE_CB;
-  res = poll (polls, pollcnt, timeout * 1e3);
+  res = poll (polls, pollcnt, EV_TS_TO_MSEC (timeout));
   EV_ACQUIRE_CB;
 
-  if (expect_false (res < 0))
+  if (ecb_expect_false (res < 0))
     {
       if (errno == EBADF)
         fd_ebadf (EV_A);
@@ -108,14 +110,17 @@ poll_poll (EV_P_ ev_tstamp timeout)
   else
     for (p = polls; res; ++p)
       {
-        assert (("libev: poll() returned illegal result, broken BSD kernel?", p < polls + pollcnt));
+        assert (("libev: poll returned illegal result, broken BSD kernel?", p < polls + pollcnt));
 
-        if (expect_false (p->revents)) /* this expect is debatable */
+        if (ecb_expect_false (p->revents)) /* this expect is debatable */
           {
             --res;
 
-            if (expect_false (p->revents & POLLNVAL))
-              fd_kill (EV_A_ p->fd);
+            if (ecb_expect_false (p->revents & POLLNVAL))
+              {
+                assert (("libev: poll found invalid fd in poll set", 0));
+                fd_kill (EV_A_ p->fd);
+              }
             else
               fd_event (
                 EV_A_
@@ -131,7 +136,7 @@ inline_size
 int
 poll_init (EV_P_ int flags)
 {
-  backend_mintime = 1e-3;
+  backend_mintime = EV_TS_CONST (1e-3);
   backend_modify  = poll_modify;
   backend_poll    = poll_poll;