From 9671650a7c76b4dc2c74a6ae6258def228a26d95 Mon Sep 17 00:00:00 2001 From: Lars Ingebrigtsen Date: Mon, 29 Feb 2016 14:20:09 +1100 Subject: [PATCH] Wait for async DNS to complete before freeing resources * src/process.c (Fdelete_process): Wait for async DNS to complete before freeing the data structures it needs. --- src/process.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/src/process.c b/src/process.c index a3212445cde..d83e2d2c51f 100644 --- a/src/process.c +++ b/src/process.c @@ -845,8 +845,24 @@ nil, indicating the current buffer's process. */) #ifdef HAVE_GETADDRINFO_A if (p->dns_request) { + int ret; + gai_cancel (p->dns_request); - free_dns_request (process); + ret = gai_error (p->dns_request); + if (ret == EAI_CANCELED || ret == 0) + free_dns_request (process); + else + { + /* If we're called during shutdown, we don't really about + freeing all the resources. Otherwise wait until + completion, and then free the request. */ + if (! inhibit_sentinels) + { + gai_suspend ((const struct gaicb * const*)&p->dns_request, + 1, NULL); + free_dns_request (process); + } + } } #endif -- 2.39.5