git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH v3 2/3] http.c: Use timeout suggested by curl instead of fixed 50ms timeout

From
Mika Fischer <mika.fischer@zoopnet.de>
Date
Nov 4, 2011, 14:19 UTC
Message-ID
<1320416367-28843-3-git-send-email-mika.fischer@zoopnet.de>
In-Reply-To
<1320416367-28843-1-git-send-email-mika.fischer@zoopnet.de>

Recent versions of curl can suggest a period of time the library user should sleep and try again, when curl is blocked on reading or writing (or connecting). Use this timeout instead of always sleeping for 50ms.

Signed-off-by: Mika Fischer <mika.fischer@zoopnet.de>
---
 http.c |   22 ++++++++++++++++++++--
 1 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/http.c b/http.c
index ae92318..e91a2ab 100644
--- a/http.c
+++ b/http.c
@@ -649,6 +649,9 @@ void run_active_slot(struct active_request_slot *slot)
 	fd_set excfds;
 	int max_fd;
 	struct timeval select_timeout;
+#if LIBCURL_VERSION_NUM >= 0x070f04
+	long curl_timeout;
+#endif
 	int finished = 0;
 
 	slot->finished = &finished;
@@ -664,13 +667,28 @@ void run_active_slot(struct active_request_slot *slot)
 		}
 
 		if (slot->in_use && !data_received) {
+#if LIBCURL_VERSION_NUM >= 0x070f04
+			curl_multi_timeout(curlm, &curl_timeout);
+			if (curl_timeout == 0) {
+				continue;
+			} else if (curl_timeout == -1) {
+				select_timeout.tv_sec  = 0;
+				select_timeout.tv_usec = 50000;
+			} else {
+				select_timeout.tv_sec  =  curl_timeout / 1000;
+				select_timeout.tv_usec = (curl_timeout % 1000) * 1000;
+			}
+#else
+			select_timeout.tv_sec  = 0;
+			select_timeout.tv_usec = 50000;
+#endif
+
 			max_fd = -1;
 			FD_ZERO(&readfds);
 			FD_ZERO(&writefds);
 			FD_ZERO(&excfds);
 			curl_multi_fdset(curlm, &readfds, &writefds, &excfds, &max_fd);
-			select_timeout.tv_sec = 0;
-			select_timeout.tv_usec = 50000;
+
 			select(max_fd+1, &readfds, &writefds, &excfds, &select_timeout);
 		}
 	}
-- 
1.7.8.rc0.35.gd9f16.dirty
Previous: Mika FischerNext: Junio C Hamano
Message 12 of 19 in “[PATCHv2] Improve use of select in http backend”
  1. Mika FischerNov 2, 2011
  2. 1/2 http.c: Use curl_multi_fdset to select on curl fds instead of just sleepingMika Fischer, Nov 2, 2011
  3. Jeff KingNov 2, 2011
  4. Jeff KingNov 2, 2011
  5. Junio C HamanoNov 2, 2011
  6. Mika FischerNov 2, 2011
  7. Daniel StenbergNov 2, 2011
  8. 2/2 http.c: Use timeout suggested by curl instead of fixed 50ms timeoutMika Fischer, Nov 2, 2011
  9. Junio C HamanoNov 3, 2011
  10. 0/3 Improve use of select in http backendMika Fischer, Nov 4, 2011
  11. 1/3 http.c: Use curl_multi_fdset to select on curl fds instead of just sleepingMika Fischer, Nov 4, 2011
  12. 2/3 http.c: Use timeout suggested by curl instead of fixed 50ms timeoutMika Fischer, Nov 4, 2011
  13. Junio C HamanoNov 4, 2011
  14. Mika FischerNov 4, 2011
  15. Jeff KingNov 4, 2011
  16. Mika FischerNov 4, 2011
  17. Junio C HamanoNov 4, 2011
  18. 3/3 http.c: Rely on select instead of tracking whether data was receivedMika Fischer, Nov 4, 2011
  19. Jeff KingNov 4, 2011

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.