master - lvmlockd: log pthread_join errno code

[Zdenek Kabelac]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=d79d9193298b04246c18dc...
Commit:        d79d9193298b04246c18dcacd8b372518eb10ffc
Parent:        da9a8fdedc25645706ae198bad098f366351db58
Author:        Zdenek Kabelac 
AuthorDate:    Fri Aug 25 11:52:09 2017 +0200
Committer:     Zdenek Kabelac 
CommitterDate: Fri Aug 25 14:20:59 2017 +0200

lvmlockd: log pthread_join errno code

Log possible errno with pthread_join (and one close() instance).
---
 daemons/lvmlockd/lvmlockd-core.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/daemons/lvmlockd/lvmlockd-core.c b/daemons/lvmlockd/lvmlockd-core.c
index 253d86b..903da7c 100644
--- a/daemons/lvmlockd/lvmlockd-core.c
+++ b/daemons/lvmlockd/lvmlockd-core.c
@@ -3539,11 +3539,15 @@ static int setup_worker_thread(void)

static void close_worker_thread(void)
 {
+	int perrno;
+
    pthread_mutex_lock(&worker_mutex);
    worker_stop = 1;
    pthread_cond_signal(&worker_cond);
    pthread_mutex_unlock(&worker_mutex);
-	pthread_join(worker_thread, NULL);
+
+	if ((perrno = pthread_join(worker_thread, NULL)))
+		log_error("pthread_join worker_thread error %d", perrno);
 }

/* client_mutex is locked */
@@ -3769,7 +3773,8 @@ static int client_send_result(struct client *cl, struct action *act)
    if (dump_fd >= 0) {
    	/* To avoid deadlock, send data here after the reply. */
    	send_dump_buf(dump_fd, dump_len);
-		close(dump_fd);
+		if (close(dump_fd))
+			log_error("failed to close dump socket %d", dump_fd);
    }

return rv;
@@ -4786,11 +4791,15 @@ static int setup_client_thread(void)

static void close_client_thread(void)
 {
+	int perrno;
+
    pthread_mutex_lock(&client_mutex);
    client_stop = 1;
    pthread_cond_signal(&client_cond);
    pthread_mutex_unlock(&client_mutex);
-	pthread_join(client_thread, NULL);
+
+	if ((perrno = pthread_join(client_thread, NULL)))
+		log_error("pthread_join client_thread error %d", perrno);
 }

/*