]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap_r/rdwr.c
Parsing and printing of extensions in schema definitions.
[openldap] / libraries / libldap_r / rdwr.c
index 74cf915197cd2991dcf19f13633afcdd8b463b66..85da7de0258824de59c92ac4554a4509c12fe341 100644 (file)
@@ -1,3 +1,4 @@
+/* $OpenLDAP$ */
 /*
 ** This is an improved implementation of Reader/Writer locks does
 ** not protect writers from starvation.  That is, if a writer is
@@ -52,7 +53,7 @@ ldap_pvt_thread_rdwr_destroy( ldap_pvt_thread_rdwr_t *rw )
        ldap_pvt_thread_mutex_lock( &rw->ltrw_mutex );
 
        /* active threads? */
-       if( rw->ltrw_r_active > 0 || rw->ltrw_w_active > 1) {
+       if( rw->ltrw_r_active > 0 || rw->ltrw_w_active > 0) {
                ldap_pvt_thread_mutex_unlock( &rw->ltrw_mutex );
                return LDAP_PVT_THREAD_EBUSY;
        }
@@ -84,7 +85,7 @@ int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
 
        ldap_pvt_thread_mutex_lock( &rw->ltrw_mutex );
 
-       if( rw->ltrw_w_active > 1 ) {
+       if( rw->ltrw_w_active > 0 ) {
                /* writer is active */
 
                rw->ltrw_r_wait++;
@@ -92,7 +93,7 @@ int ldap_pvt_thread_rdwr_rlock( ldap_pvt_thread_rdwr_t *rw )
                do {
                        ldap_pvt_thread_cond_wait(
                                &rw->ltrw_read, &rw->ltrw_mutex );
-               } while( rw->ltrw_w_active > 1 );
+               } while( rw->ltrw_w_active > 0 );
 
                rw->ltrw_r_wait--;
        }
@@ -114,7 +115,7 @@ int ldap_pvt_thread_rdwr_rtrylock( ldap_pvt_thread_rdwr_t *rw )
 
        ldap_pvt_thread_mutex_lock( &rw->ltrw_mutex );
 
-       if( rw->ltrw_w_active > 1) {
+       if( rw->ltrw_w_active > 0) {
                ldap_pvt_thread_mutex_unlock( &rw->ltrw_mutex );
                return LDAP_PVT_THREAD_EBUSY;
        }