RWLock: assert pthread function return values

Signed-off-by: Samuel Just <sam.just@inktank.com>
Reviewed-by: Greg Farnum <greg@inktank.com>

diff --git a/src/common/RWLock.h b/src/common/RWLock.h
index f901ac0de7dfe0bfe54cf6894839782bd8651062..9fe566fb44c8b3017bdd6c7b17d750f99219d160 100644 (file)
--- a/src/common/RWLock.h
+++ b/src/common/RWLock.h
@@ -42,13 +42,15 @@ public:
 
   void unlock() const {
     if (g_lockdep) id = lockdep_will_unlock(name, id);
-    pthread_rwlock_unlock(&L);
+    int r = pthread_rwlock_unlock(&L);
+    assert(r == 0);
   }
 
   // read
   void get_read() const {
     if (g_lockdep) id = lockdep_will_lock(name, id);
-    pthread_rwlock_rdlock(&L);
+    int r = pthread_rwlock_rdlock(&L);
+    assert(r == 0);
     if (g_lockdep) id = lockdep_locked(name, id);
   }
   bool try_get_read() const {
@@ -65,7 +67,8 @@ public:
   // write
   void get_write() {
     if (g_lockdep) id = lockdep_will_lock(name, id);
-    pthread_rwlock_wrlock(&L);
+    int r = pthread_rwlock_wrlock(&L);
+    assert(r == 0);
     if (g_lockdep) id = lockdep_locked(name, id);
   }
   bool try_get_write() {