From 107e99e302a291fc938dc6206c09ae7802887c42 Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Wed, 7 Jun 2000 01:34:00 +0000
Subject: [PATCH] Add Pth specific r/w lock implementation.

---
 include/ldap_int_thread.h     |  3 +++
 libraries/libldap_r/thr_pth.c | 44 +++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/include/ldap_int_thread.h b/include/ldap_int_thread.h
index 5da7f13c17..23cb1eb2a4 100644
--- a/include/ldap_int_thread.h
+++ b/include/ldap_int_thread.h
@@ -89,6 +89,9 @@ typedef pth_t		ldap_int_thread_t;
 typedef pth_mutex_t	ldap_int_thread_mutex_t;
 typedef pth_cond_t	ldap_int_thread_cond_t;
 
+#define LDAP_THREAD_HAVE_RDWR 1
+typedef pth_rwlock_t ldap_pvt_thread_rdwr_t;
+
 LDAP_END_DECL
 
 
diff --git a/libraries/libldap_r/thr_pth.c b/libraries/libldap_r/thr_pth.c
index 460dd8fee2..d35e485f27 100644
--- a/libraries/libldap_r/thr_pth.c
+++ b/libraries/libldap_r/thr_pth.c
@@ -140,4 +140,48 @@ ldap_int_thread_mutex_trylock( ldap_int_thread_mutex_t *mutex )
 	return( pth_mutex_acquire( mutex, 1, NULL ) );
 }
 
+#ifdef LDAP_THREAD_HAVE_RDWR
+int 
+ldap_pvt_thread_rdwr_init( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_init( rw );
+}
+
+int 
+ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
+{
+	return 0;
+}
+
+int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 0, NULL );
+}
+
+int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_acquire( rw, PTH_RWLOCK_RD, 1, NULL );
+}
+
+int ldap_pvt_thread_rdwr_runlock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_release( rw );
+}
+
+int ldap_pvt_thread_rdwr_wlock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 0, NULL );
+}
+
+int ldap_pvt_thread_rdwr_wtrylock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_acquire( rw, PTH_RWLOCK_RW, 1, NULL );
+}
+
+int ldap_pvt_thread_rdwr_wunlock( ldap_pvt_thread_rdwr_t *rw )
+{
+	return pth_rwlock_release( rw );
+}
+
+#endif /* LDAP_THREAD_HAVE_RDWR */
 #endif /* HAVE_GNU_PTH */
-- 
2.39.5