locks: rework rwlock primitives

Remove GNUTLS_STATIC_RWLOCK_*LOCK macros and respect return values of
rwlock primitives.

Signed-off-by: Daiki Ueno <ueno@gnu.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/locks.c b/lib/locks.c
index 67f4e1b329..3c05e4d988 100644
--- a/lib/locks.c
+++ b/lib/locks.c
@@ -90,3 +90,30 @@ gnutls_static_mutex_unlock(gnutls_static_mutex_t lock)
 	}
 	return 0;
 }
+
+int
+gnutls_rwlock_rdlock(gnutls_rwlock_t rwlock)
+{
+	if (unlikely(glthread_rwlock_rdlock(rwlock))) {
+		return gnutls_assert_val(GNUTLS_E_LOCKING_ERROR);
+	}
+	return 0;
+}
+
+int
+gnutls_rwlock_wrlock(gnutls_rwlock_t rwlock)
+{
+	if (unlikely(glthread_rwlock_wrlock(rwlock))) {
+		return gnutls_assert_val(GNUTLS_E_LOCKING_ERROR);
+	}
+	return 0;
+}
+
+int
+gnutls_rwlock_unlock(gnutls_rwlock_t rwlock)
+{
+	if (unlikely(glthread_rwlock_unlock(rwlock))) {
+		return gnutls_assert_val(GNUTLS_E_LOCKING_ERROR);
+	}
+	return 0;
+}