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-rw-r--r--channels/misdn/isdn_lib_intern.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/channels/misdn/isdn_lib_intern.h b/channels/misdn/isdn_lib_intern.h
index 86d95a9fe..757e8e20b 100644
--- a/channels/misdn/isdn_lib_intern.h
+++ b/channels/misdn/isdn_lib_intern.h
@@ -29,6 +29,10 @@
ibuffer_t *astbuf;
ibuffer_t *misdnbuf;
+struct send_lock {
+ pthread_mutex_t lock;
+};
+
struct isdn_msg {
unsigned long misdn_msg;