mt_misc.c revision 285830 
1236099Sdes/*	$NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $	*/
2236099Sdes
3236099Sdes/* #pragma ident	"@(#)mt_misc.c	1.24	93/04/29 SMI" */
4236099Sdes#include <sys/cdefs.h>
5236099Sdes__FBSDID("$FreeBSD: releng/10.2/lib/libc/rpc/mt_misc.c 204950 2010-03-10 13:23:25Z jhb $");
6236099Sdes
7236099Sdes#include "namespace.h"
8236099Sdes#include "reentrant.h"
9236099Sdes#include <rpc/rpc.h>
10236099Sdes#include <sys/time.h>
11236099Sdes#include <stdlib.h>
12236099Sdes#include <string.h>
13236099Sdes#include "un-namespace.h"
14236099Sdes#include "mt_misc.h"
15236099Sdes
16236099Sdes/* Take these objects out of the application namespace. */
17236099Sdes#define	svc_lock		__svc_lock
18236099Sdes#define	svc_fd_lock		__svc_fd_lock
19236099Sdes#define	rpcbaddr_cache_lock	__rpcbaddr_cache_lock
20236099Sdes#define	authdes_ops_lock	__authdes_ops_lock
21236099Sdes#define	authnone_lock		__authnone_lock
22236099Sdes#define	authsvc_lock		__authsvc_lock
23236099Sdes#define	clnt_fd_lock		__clnt_fd_lock
24236099Sdes#define	clntraw_lock		__clntraw_lock
25236099Sdes#define	dupreq_lock		__dupreq_lock
26236099Sdes#define	loopnconf_lock		__loopnconf_lock
27236099Sdes#define	ops_lock		__ops_lock
28236099Sdes#define	proglst_lock		__proglst_lock
29236099Sdes#define	rpcsoc_lock		__rpcsoc_lock
30236099Sdes#define	svcraw_lock		__svcraw_lock
31236099Sdes#define	xprtlist_lock		__xprtlist_lock
32236099Sdes
33236099Sdes/* protects the services list (svc.c) */
34236099Sdespthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
35236099Sdes
36236099Sdes/* protects svc_fdset and the xports[] array */
37236099Sdespthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
38236099Sdes
39236099Sdes/* protects the RPCBIND address cache */
40236099Sdespthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
41236099Sdes
42236099Sdes/* serializes authdes ops initializations */
43236099Sdespthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
44236099Sdes
45236099Sdes/* protects des stats list */
46236099Sdespthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
47236099Sdes
48236099Sdes/* auth_none.c serialization */
49236099Sdespthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
50236099Sdes
51236099Sdes/* protects the Auths list (svc_auth.c) */
52236099Sdespthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
53236099Sdes
54236099Sdes/* protects client-side fd lock array */
55236099Sdespthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
56236099Sdes
57236099Sdes/* clnt_raw.c serialization */
58236099Sdespthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
59236099Sdes
60236099Sdes/* dupreq variables (svc_dg.c) */
61236099Sdespthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
62236099Sdes
63236099Sdes/* loopnconf (rpcb_clnt.c) */
64236099Sdespthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
65236099Sdes
66236099Sdes/* serializes ops initializations */
67236099Sdespthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
68236099Sdes
69236099Sdes/* protects proglst list (svc_simple.c) */
70pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
71
72/* serializes clnt_com_create() (rpc_soc.c) */
73pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
74
75/* svc_raw.c serialization */
76pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
77
78/* xprtlist (svc_generic.c) */
79pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
80
81#undef	rpc_createerr
82
83struct rpc_createerr rpc_createerr;
84static thread_key_t rce_key;
85static once_t rce_once = ONCE_INITIALIZER;
86static int rce_key_error;
87
88static void
89rce_key_init(void)
90{
91
92	rce_key_error = thr_keycreate(&rce_key, free);
93}
94
95struct rpc_createerr *
96__rpc_createerr()
97{
98	struct rpc_createerr *rce_addr = 0;
99
100	if (thr_main())
101		return (&rpc_createerr);
102	if (thr_once(&rce_once, rce_key_init) != 0 || rce_key_error != 0)
103		return (&rpc_createerr);
104	rce_addr = (struct rpc_createerr *)thr_getspecific(rce_key);
105	if (!rce_addr) {
106		rce_addr = (struct rpc_createerr *)
107			malloc(sizeof (struct rpc_createerr));
108		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
109			if (rce_addr)
110				free(rce_addr);
111			return (&rpc_createerr);
112		}
113		memset(rce_addr, 0, sizeof (struct rpc_createerr));
114		return (rce_addr);
115	}
116	return (rce_addr);
117}
118