5 Commits

Author	SHA1	Message	Date
Joseph Myers	bfff8b1bec	Update copyright dates with scripts/update-copyrights.	2017-01-01 00:14:16 +00:00
Joseph Myers	f7a9f785e5	Update copyright dates with scripts/update-copyrights.	2016-01-04 16:05:18 +00:00
Florian Weimer	79e0d340a9	Revert "tst-res_hconf_reorder: Set RESOLV_REORDER environment variable" ... This reverts commit 731a713b72. This change is unnecessary because the Makefile already sets up the environment for the test.	2015-12-04 19:25:59 +01:00
Florian Weimer	731a713b72	tst-res_hconf_reorder: Set RESOLV_REORDER environment variable ... Otherwise, the problematic code does not run.	2015-12-04 19:02:12 +01:00
Dmitry V. Levin	b57525f1a3	Fix potential hanging of gethostbyaddr_r/gethostbyname_r ... When "reorder" resolver option is enabled, threads of a multi-threaded process could hang in gethostbyaddr_r, gethostbyname_r, or gethostbyname2_r. Due to a trivial bug in _res_hconf_reorder_addrs, simultaneous invocations of this function in a multi-threaded process could result to _res_hconf_reorder_addrs returning without releasing the lock it holds, causing other threads to block indefinitely while waiting for the lock that is not going to be released. [BZ #17977] * resolv/res_hconf.c (_res_hconf_reorder_addrs): Fix unlocking when initializing interface list, based on the bug analysis and the patch proposed by Eric Newton. * resolv/tst-res_hconf_reorder.c: New test. * resolv/Makefile [$(have-thread-library) = yes] (tests): Add tst-res_hconf_reorder. ($(objpfx)tst-res_hconf_reorder): Depend on $(libdl) and $(shared-thread-library). (tst-res_hconf_reorder-ENV): New variable.	2015-06-23 09:37:28 +00:00