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authorneksard <neksard@yandex-team.ru>2022-02-10 16:45:33 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:33 +0300
commit1d9c550e7c38e051d7961f576013a482003a70d9 (patch)
treeb2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /contrib/libs/c-ares/ares_timeout.c
parent8f7cf138264e0caa318144bf8a2c950e0b0a8593 (diff)
downloadydb-1d9c550e7c38e051d7961f576013a482003a70d9.tar.gz
Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/c-ares/ares_timeout.c')
-rw-r--r--contrib/libs/c-ares/ares_timeout.c160
1 files changed, 80 insertions, 80 deletions
diff --git a/contrib/libs/c-ares/ares_timeout.c b/contrib/libs/c-ares/ares_timeout.c
index 2d7a12a907..293e4af021 100644
--- a/contrib/libs/c-ares/ares_timeout.c
+++ b/contrib/libs/c-ares/ares_timeout.c
@@ -1,28 +1,28 @@
-
-/* 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"
-
+
+/* 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)
{
@@ -30,59 +30,59 @@ static long timeoffset(struct timeval *now, struct timeval *check)
(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;
+/* 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;
-}
+ 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;
+}