Just because we have pthreads, that doesn't mean we have pthread_rwlock.

This removes support for rwlock on platforms that don't have them.  I will
write an implementation of rwlocks that don't rely on pthreads later this
weekend.


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@62323 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 48 insertions, 0 deletions

diff --git a/locks/unix/thread_rwlock.c b/locks/unix/thread_rwlock.c
index 95ef5e542..dc9377beb 100644
--- a/locks/unix/thread_rwlock.c
+++ b/locks/unix/thread_rwlock.c
@@ -53,9 +53,12 @@
  */
 
 #include "thread_rwlock.h"
+#include "apr_private.h"
 
 #if APR_HAS_THREADS
 
+#ifdef HAVE_PTHREAD_RWLOCK_INIT
+
 static apr_status_t thread_rwlock_cleanup(void *data)
 {
     apr_thread_rwlock_t *rwlock = (apr_thread_rwlock_t *)data;
@@ -189,4 +192,49 @@ APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock)
     return stat;
 }
 
+#else  /* HAVE_PTHREAD_RWLOCK_INIT */
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_create(apr_thread_rwlock_t **rwlock,
+                                                   apr_pool_t *pool)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_rdlock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_tryrdlock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_wrlock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_trywrlock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_lock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_unlock(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_rwlock_destroy(apr_thread_rwlock_t *rwlock)
+{
+    return APR_ENOTIMPL;
+}
+
+#endif /* HAVE_PTHREAD_RWLOCK_INIT */
+
 #endif /* APR_HAS_THREADS */