From: Steven Barth <steven@midlink.org>
Date: Wed, 11 Jun 2014 13:23:39 +0000 (+0200)
Subject: Increase buffers for hotplug and cmdline for UML
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=61e88ee49ade4fd8014bb11ca3166d93274c50e8;p=oweals%2Fprocd.git

Increase buffers for hotplug and cmdline for UML

Thanks to Markus Stenberg for debugging and testing.

Signed-off-by: Steven Barth <steven@midlink.org>
---

diff --git a/initd/init.c b/initd/init.c
index 7621b30..153b3c2 100644
--- a/initd/init.c
+++ b/initd/init.c
@@ -53,7 +53,7 @@ static struct sigaction sa_shutdown = {
 static void
 cmdline(void)
 {
-	char line[256];
+	char line[1024];
 	int r, fd = open("/proc/cmdline", O_RDONLY);
 	regex_t pat_cmdline;
 	regmatch_t matches[2];
diff --git a/plug/hotplug.c b/plug/hotplug.c
index 07abaf8..075062b 100644
--- a/plug/hotplug.c
+++ b/plug/hotplug.c
@@ -453,6 +453,7 @@ void hotplug_last_event(uloop_timeout_handler handler)
 void hotplug(char *rules)
 {
 	struct sockaddr_nl nls;
+	int nlbufsize = 512 * 1024;
 
 	rule_file = strdup(rules);
 	memset(&nls,0,sizeof(struct sockaddr_nl));
@@ -469,6 +470,11 @@ void hotplug(char *rules)
 		exit(1);
 	}
 
+	if (setsockopt(hotplug_fd.fd, SOL_SOCKET, SO_RCVBUFFORCE, &nlbufsize, sizeof(nlbufsize))) {
+		ERROR("Failed to resize receive buffer: %s\n", strerror(errno));
+		exit(1);
+	}
+
 	json_script_init(&jctx);
 	queue_proc.cb = queue_proc_cb;
 	uloop_fd_add(&hotplug_fd, ULOOP_READ);