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authorshadchin <shadchin@yandex-team.ru>2022-02-17 23:09:13 +0300
committershadchin <shadchin@yandex-team.ru>2022-02-17 23:09:13 +0300
commit1e12ad07b2ad2362e06100f7f32e772e628bef66 (patch)
tree9981af0beb469cfef0d3d1658040f6bbf4206313 /contrib/libs/c-ares/ares_timeout.c
parent55c6ad7179b9300375e9a16a3956dc706fcb560b (diff)
downloadydb-1e12ad07b2ad2362e06100f7f32e772e628bef66.tar.gz
Update c-ares from 0.16.1 to 0.17.2
MAKEAYAMLHAPPY-12345 ref:6a83ac3af883b2fc963128b7993f0a467b0000cb
Diffstat (limited to 'contrib/libs/c-ares/ares_timeout.c')
-rw-r--r--contrib/libs/c-ares/ares_timeout.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/contrib/libs/c-ares/ares_timeout.c b/contrib/libs/c-ares/ares_timeout.c
deleted file mode 100644
index 293e4af0216..00000000000
--- a/contrib/libs/c-ares/ares_timeout.c
+++ /dev/null
@@ -1,88 +0,0 @@
-
-/* Copyright 1998 by the Massachusetts Institute of Technology.
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in
- * advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- */
-
-#include "ares_setup.h"
-
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-
-#include "ares.h"
-#include "ares_private.h"
-
-/* return time offset between now and (future) check, in milliseconds */
-static long timeoffset(struct timeval *now, struct timeval *check)
-{
- return (check->tv_sec - now->tv_sec)*1000 +
- (check->tv_usec - now->tv_usec)/1000;
-}
-
-/* WARNING: Beware that this is linear in the number of outstanding
- * requests! You are probably far better off just calling ares_process()
- * once per second, rather than calling ares_timeout() to figure out
- * when to next call ares_process().
- */
-struct timeval *ares_timeout(ares_channel channel, struct timeval *maxtv,
- struct timeval *tvbuf)
-{
- struct query *query;
- struct list_node* list_head;
- struct list_node* list_node;
- struct timeval now;
- struct timeval nextstop;
- long offset, min_offset;
-
- /* No queries, no timeout (and no fetch of the current time). */
- if (ares__is_list_empty(&(channel->all_queries)))
- return maxtv;
-
- /* Find the minimum timeout for the current set of queries. */
- now = ares__tvnow();
- min_offset = -1;
-
- list_head = &(channel->all_queries);
- for (list_node = list_head->next; list_node != list_head;
- list_node = list_node->next)
- {
- query = list_node->data;
- if (query->timeout.tv_sec == 0)
- continue;
- offset = timeoffset(&now, &query->timeout);
- if (offset < 0)
- offset = 0;
- if (min_offset == -1 || offset < min_offset)
- min_offset = offset;
- }
-
- /* If we found a minimum timeout and it's sooner than the one specified in
- * maxtv (if any), return it. Otherwise go with maxtv.
- */
- if (min_offset != -1)
- {
- int ioffset = (min_offset > (long)INT_MAX) ? INT_MAX : (int)min_offset;
-
- nextstop.tv_sec = ioffset/1000;
- nextstop.tv_usec = (ioffset%1000)*1000;
-
- if (!maxtv || ares__timedout(maxtv, &nextstop))
- {
- *tvbuf = nextstop;
- return tvbuf;
- }
- }
-
- return maxtv;
-}