dexter has uploaded this change for review.

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i460_mux: make osmo_i460_subchan_count public

There may be situations where we must check if there are still I.460
subchannels active, so lets make the function osmo_i460_subchan_count
public

Change-Id: I0454ffe5809f21504c1e263a781c06596d452d4b
Related: OS#5198
---
M include/osmocom/isdn/i460_mux.h
M src/isdn/i460_mux.c
M src/isdn/libosmoisdn.map
3 files changed, 7 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/24/31324/1

diff --git a/include/osmocom/isdn/i460_mux.h b/include/osmocom/isdn/i460_mux.h
index 770b1e1..ad9cb24 100644
--- a/include/osmocom/isdn/i460_mux.h
+++ b/include/osmocom/isdn/i460_mux.h
@@ -113,4 +113,6 @@
 
 void osmo_i460_subchan_del(struct osmo_i460_subchan *schan);
 
+int osmo_i460_subchan_count(struct osmo_i460_timeslot *ts);
+
 /*! @} */
diff --git a/src/isdn/i460_mux.c b/src/isdn/i460_mux.c
index 18a807d..9e9489a 100644
--- a/src/isdn/i460_mux.c
+++ b/src/isdn/i460_mux.c
@@ -23,8 +23,10 @@
 #include <osmocom/core/msgb.h>
 #include <osmocom/isdn/i460_mux.h>
 
-/* count the number of sub-channels in this I460 slot */
-static int osmo_i460_subchan_count(struct osmo_i460_timeslot *ts)
+/*! count the number of sub-channels in this I.460 slot.
+ *  \param[in] ts timeslot that holds the I.460 subchannels.
+ *  \return number of subchannels.  */
+int osmo_i460_subchan_count(struct osmo_i460_timeslot *ts)
 {
 	int i, num_used = 0;
 
diff --git a/src/isdn/libosmoisdn.map b/src/isdn/libosmoisdn.map
index 76e8c81..5ac65c9 100644
--- a/src/isdn/libosmoisdn.map
+++ b/src/isdn/libosmoisdn.map
@@ -18,6 +18,7 @@
 osmo_i460_mux_out;
 osmo_i460_subchan_add;
 osmo_i460_subchan_del;
+osmo_i460_subchan_count;
 osmo_i460_ts_init;
 
 local: *;

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