/* @(#)mt_misc.c        1.24    93/04/29 SMI */
/* $NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $ */
/* $FreeBSD: src/lib/libc/rpc/mt_misc.c,v 1.7 2006/02/27 22:10:59 deischen Exp $ */

#include "namespace.h"
#include "reentrant.h"
#include <rpc/rpc.h>
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>
#include "un-namespace.h"
#include "mt_misc.h"

/* Take these objects out of the application namespace. */
#define svc_lock                __svc_lock
#define svc_fd_lock             __svc_fd_lock
#define rpcbaddr_cache_lock     __rpcbaddr_cache_lock
#define authdes_ops_lock        __authdes_ops_lock
#define authnone_lock           __authnone_lock
#define authsvc_lock            __authsvc_lock
#define clnt_fd_lock            __clnt_fd_lock
#define clntraw_lock            __clntraw_lock
#define dupreq_lock             __dupreq_lock
#define loopnconf_lock          __loopnconf_lock
#define ops_lock                __ops_lock
#define proglst_lock            __proglst_lock
#define rpcsoc_lock             __rpcsoc_lock
#define svcraw_lock             __svcraw_lock
#define tsd_lock                __tsd_lock
#define xprtlist_lock           __xprtlist_lock

/* protects the services list (svc.c) */
pthread_rwlock_t        svc_lock = PTHREAD_RWLOCK_INITIALIZER;

/* protects svc_fdset and the xports[] array */
pthread_rwlock_t        svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;

/* protects the RPCBIND address cache */
pthread_rwlock_t        rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;

/* serializes authdes ops initializations */
pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;

/* protects des stats list */
pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;

/* auth_none.c serialization */
pthread_mutex_t authnone_lock = PTHREAD_MUTEX_INITIALIZER;

/* protects the Auths list (svc_auth.c) */
pthread_mutex_t authsvc_lock = PTHREAD_MUTEX_INITIALIZER;

/* protects client-side fd lock array */
pthread_mutex_t clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;

/* clnt_raw.c serialization */
pthread_mutex_t clntraw_lock = PTHREAD_MUTEX_INITIALIZER;

/* dupreq variables (svc_dg.c) */
pthread_mutex_t dupreq_lock = PTHREAD_MUTEX_INITIALIZER;

/* loopnconf (rpcb_clnt.c) */
pthread_mutex_t loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;

/* serializes ops initializations */
pthread_mutex_t ops_lock = PTHREAD_MUTEX_INITIALIZER;

/* protects proglst list (svc_simple.c) */
pthread_mutex_t proglst_lock = PTHREAD_MUTEX_INITIALIZER;

/* serializes clnt_com_create() (rpc_soc.c) */
pthread_mutex_t rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;

/* svc_raw.c serialization */
pthread_mutex_t svcraw_lock = PTHREAD_MUTEX_INITIALIZER;

/* protects TSD key creation */
pthread_mutex_t tsd_lock = PTHREAD_MUTEX_INITIALIZER;

/* xprtlist (svc_generic.c) */
pthread_mutex_t xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;

#undef  rpc_createerr

struct rpc_createerr rpc_createerr;

struct rpc_createerr *
__rpc_createerr(void)
{
        static thread_key_t rce_key = 0;
        struct rpc_createerr *rce_addr = NULL;

        if (thr_main())
                return (&rpc_createerr);
        if ((rce_addr =
            (struct rpc_createerr *)thr_getspecific(rce_key)) != NULL) {
                mutex_lock(&tsd_lock);
                if (thr_keycreate(&rce_key, free) != 0) {
                        mutex_unlock(&tsd_lock);
                        return (&rpc_createerr);
                }
                mutex_unlock(&tsd_lock);
        }
        if (!rce_addr) {
                rce_addr = (struct rpc_createerr *)
                        malloc(sizeof (struct rpc_createerr));
                if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
                        if (rce_addr)
                                free(rce_addr);
                        return (&rpc_createerr);
                }
                memset(rce_addr, 0, sizeof (struct rpc_createerr));
                return (rce_addr);
        }
        return (rce_addr);
}