Add assert()s to the mutex lock/unlock.

When in doubt, always test return codes.

1 files changed, 6 insertions, 2 deletions

diff --git a/libgpsd_core.c b/libgpsd_core.c
index 5da839e7..08f4cd4e 100644
--- a/libgpsd_core.c
+++ b/libgpsd_core.c
@@ -62,16 +62,20 @@ static pthread_mutex_t report_mutex;
 
 void gpsd_acquire_reporting_lock(void)
 {
+    int err;
     /*@ -unrecog  (splint has no pthread declarations as yet) @*/
-    (void)pthread_mutex_lock(&report_mutex);
+    err = pthread_mutex_lock(&report_mutex);
     /*@ +unrecog @*/
+    assert( 0 != err);
 }
 
 void gpsd_release_reporting_lock(void)
 {
+    int err;
     /*@ -unrecog (splint has no pthread declarations as yet) @*/
-    (void)pthread_mutex_unlock(&report_mutex);
+    err = pthread_mutex_unlock(&report_mutex);
     /*@ +unrecog @*/
+    assert( 0 != err);
 }
 #endif /* PPS_ENABLE */