commit 4feceffdac093c3f7633821bb2e7b71084129ffa
Author: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Date:   Mon Mar 31 20:32:29 2014 +0100

    handle ENODEV on sig_pri

diff --git a/channels/chan_dahdi.c b/channels/chan_dahdi.c
index a3a82be..d7550d1 100644
--- a/channels/chan_dahdi.c
+++ b/channels/chan_dahdi.c
@@ -1149,7 +1149,6 @@ static void release_doomed_pris(void) {
 
 #ifdef HAVE_PRI
 /*!
- * \internal
  * \brief Queue a span for destruction
  * \since 13.0
  *
@@ -1159,7 +1158,7 @@ static void release_doomed_pris(void) {
  * by the monitor thread. Allows destroying a span while holding its
  * lock.
  */
-static void pri_queue_for_destruction(struct sig_pri_span *pri) {
+void pri_queue_for_destruction(struct sig_pri_span *pri) {
 	struct doomed_pri *entry;
 	int len = 0;
 
diff --git a/channels/sig_pri.c b/channels/sig_pri.c
index def6555..5628a7a 100644
--- a/channels/sig_pri.c
+++ b/channels/sig_pri.c
@@ -5961,6 +5961,14 @@ static void *pri_dchannel(void *vpri)
 				}
 				if (e)
 					break;
+				
+				if ((errno != 0) && (errno != EINTR)) {
+					ast_log(LOG_NOTICE, "pri_check_event returned error %d (%s)\n",
+						errno, strerror(errno));
+				}
+				if (errno == ENODEV) {
+					pri_queue_for_destruction(pri);
+				}
 			}
 		} else if (errno != EINTR)
 			ast_log(LOG_WARNING, "pri_event returned error %d (%s)\n", errno, strerror(errno));
diff --git a/channels/sig_pri.h b/channels/sig_pri.h
index ad6c4c5..1ea91bb 100644
--- a/channels/sig_pri.h
+++ b/channels/sig_pri.h
@@ -720,4 +720,6 @@ void sig_pri_cc_monitor_destructor(void *monitor_pvt);
 int sig_pri_load(const char *cc_type_name);
 void sig_pri_unload(void);
 
+/* FIXME: this is not the right way to expose this function, I guess */
+void pri_queue_for_destruction(struct sig_pri_span *pri);
 #endif /* _SIG_PRI_H */